CURRICULUM VITAE

CURRICULUM VITAE
Robert Terrance Downs

Contact Information
Education
Professional Experience
Teaching Experience
Graduate Student Supervision
Honors and Awards
Professional Memberships
Abstracts from Meetings
Invited Talks
Journal Publications
Books
Funding
Press Release

Contact Information:

Department of Geosciences
Gould-Simpson Building
University of Arizona
Tucson Arizona 85721-0077
Voice: 520-626-8092
Lab: 520-626-3845
Fax: 520-621-2672
Downs@geo.arizona.edu

Education:

University of British Columbia 1986 B.S. Mathematics
Virginia Tech 1989 M.S. Geological Sciences
Virginia Tech 1992 Ph.D. Geological Sciences

Carnegie Institution of Washington, Geophysical Laboratory, 1993-1996 Post-doc

Professional Experience:

Assistant to curator Joe Nagel: M.Y. Williams Collection at University of British Columbia, 1985
Assistant to curator Gary Ansell: National Mineral Collections of Canada, 1986
Assistant to curator Susan Eriksson: Virginia Tech Museum of Geological Sciences, 1990
Coach of Virginia Tech Women's Field Hockey Team, 1987-1990, win-loss record: 36-18.
Pre-doctoral Fellowship: Carnegie Institution of Washington, Geophysical Laboratory, 1991
Chair: American Geophysical Union Spring Meeting, Mineral Physics session, April 1990
Chair: American Geophysical Union Spring Meeting, Crystal Chemistry of Minerals session, May 1992
Post-doctoral Fellowship: Carnegie Institution of Washington, Geophysical Laboratory, February 1993 - July 1996
Chair: American Geophysical Union Spring Meeting, Advances in Mineralogy session, May 1994
Technical Editor (Structures): The Canadian Mineralogist, 1994 - 2005
Technical Editor, Crystal Structures: American Mineralogist, 1994 - 2005
Crystal Structure Technical Editor: European Journal of Mineralogy, 2003 - 2005
Reviewer of Abstracts: Geological Society of America’s 1994 Annual Meeting in Seattle for the Mineralogy/Crystallography category
Mentor to two high school students, Aaron Andalman and Marc Hudacsko, who won the First Place Grand Award at the 1995 International Science and Engineering Fair, Hamilton, Ontario, Canada for their project titled "Determination of Bonding and Electron Density in Crystals".
Chair: American Geophysical Union Spring Meeting, Crystal Chemistry, Phase Equilibria, and Thermodynamics session, May 1995
Mineralogy Society of America Delegate to the American Geophysical Union Spring Meeting, 1995-1996
Member of the Committee on Rights, Privileges, and Responsibilities of Scientific Staff at the Geophysical Laboratory, Carnegie Institution of Washington, 1996
Assistant Professor of Mineralogy and Crystallography: University of Arizona, Department of Geosciences, August 1996 - 2002
Associate Professor of Mineralogy and Crystallography: University of Arizona, Department of Geosciences, 2002 - present
Mineralogical Society of America Representative to the American Geophysical Union Mineral Physics Committee. November 1996 - 2007
Mineralogical Society of America Meetings Program Committee. 1997 - 1999
Mineralogical Society of America Outreach Committee. 1998 - 1999
Mineralogical Society of America Outreach Committee Chairman. 1999 - present
University of Arizona Departmental Committees include: Chairman's Advisory , Colloquium , Performance Evaluation , Undergraduate Advisory/Policy , Graduate Policy , Lowell Chair Search
University of Arizona, Faculty of Science Grades Appeal Committee 1998 - 2002
University of Arizona, University Parking Hearing Board 1999 - 2002
Flandrau Science Center's Science and Technology Working Group. May 2002 - April 2005.
Visiting Professor, Center for the Study of Matter at Extreme Conditions, Florida International University, Miami. January 2003 - June 2003
Visiting Professor, Department of Geosciences, Virginia Tech, Blacksburg Virginia, July 2003 - September 2003
Visiting Professor, Graduate School of Human and Environmental Studies, Kyoto University, Japan. October 2003 - December 2003
Chair with P. Dera: SMEC (Study of Matter at Extreme Conditions) Conference, Miami, Florida, March 2003, Session: Latest trends and future perspectives in high-pressure crystallography.
Judge for the 2005 Intel International Science and Engineering Fair, Phoenix, Arizona, May 8-14, 2005
Convener of the session: "Crystal structures, crystal chemistry and topology of minerals", 19th General Assembly of the International Mineralogical Association, Kobe, Japan, July 23-28, 2006.
Mineralogical Society of America Elected Councillor, 2005-2007
Mineralogical Society of America Crystallography Research Grant Committee Chairman, Award for 2006
Mineralogical Society of America Roebling Medal Committee Chairman, Award for 2007
Advisory committee for the Spallation Neutrons and Pressure project at Oak Ridge National Laboratory, 2003-present.
Executive Committee of the International Mineralogical Association, Treasurer, 2005-present
Science review board for the Mars Science Laboratory Project, NASA and the Jet Propulsion Laboratory 2009 Mars Rover mission
National Science Foundation Advisory Panel, 2007

Teaching Experience:

Graduate teaching assistant: Mineralogy, Virginia Tech, Geological Sciences 3505, Fall 1987, 1988
Instructor: Minerals Laboratory, Virginia Tech, Geological Sciences 2520, Winter 1988
Graduate teaching assistant: X-ray Determination of Atomic Arrangements, Virginia Tech Materials Sciences and Engineering 3044, Fall 1991; 3054, Spring 1992
Visiting Professor, Graduate School of Human and Environmental Studies, Kyoto University, Japan. Topics in Crystallography, Fall 2003
Professor of Geological Sciences at the University of Arizona:

Graduate Student Supervision:

Casey Hagbo 2001-2003 Committee member, MS
Archana Krishnamurthy 2001-2004 Research Advisor, MS
Peter Liermann 1996-2001 Committee member, PhD
Ryan Mathur 1996-2001 Committee member, PhD
Carolyn Pommier 2000-2003 Committee member, PhD Chemistry
Hareesh Rajan 2001-2004 Research Advisor, MS
Kausik Sinnaswamy 1999-2001 Research Advisor, MS
Marilena Stimpfl 1997-2004 Committee member, PhD
Ranjini Swaminathan 2001-2004 Research Advisor, MS
Richard Thompson 1998-2004 Advisor, MS, PhD
Marcus Origlieri 2000-2005 Advisor, MS, PhD
Abigail Wasserman 2001 Committee member, PhD Lunar and Planetary Sciences
Andrew McCarthy 2001-2004 Committee member, MS; 2004-2007 Advisor, PhD
Kim Tait 2003-2007 Advisor, PhD
Hinako Uchida 2002-present Advisor, MS, PhD
Madison Barkley 2007-present, Advisor, PhD
Rachel Henderson 2007-present, Advisor, MS
Renata Jasinevicius 2007-present, Advisor, MS
Linda Jones 2007-2008, Committee member, PhD Chemistry
Jennifer Sano 2006-2008, Committee member, MS

Honors and Awards:

American Federation of Mineralogical Societies Scholarship, 1990-1992
International Union of Crystallography Young Scientist Award, 1992
Leonard G. Berry Medal for significant contributions to the Mineralogical Association of Canada, 2002
Elected a Fellow of the Mineralogical Society of America, 2002

Professional Memberships:

Mineralogical Association of Canada, 1986 - present
Mineralogical Society of America, 1988 - present
American Geophysical Union, 1997 - present
Elected member of the International Centre for Diffraction Data, 1999 - present
Deutsche Mineralogische Gesellschaft: 2002 - present

Abstracts from Meetings:

Downs, R.T., Boisen, M.B., Jr. and Gibbs, G.V. (1989) Mean-square displacements along TO bonds in framework aluminosilicates. EOS Transactions, AGU, Spring Meeting Supplement, 70 (15) 352
Downs, R.T., Gibbs, G.V. and Boisen, M.B., Jr. (1990) A study of the mean-square displacement amplitudes of Si, Al and O atoms in framework structures: Evidence for rigid bonds, order, twinning and stacking faults. EOS Transactions, AGU, Spring Meeting Supplement, 71 (17) 526
Downs, R.T., Gibbs, G.V., Bartelmehs, K.L. and Boisen, M.B., Jr. (1991) The variation of the SiO bond length with temperature. EOS Transactions, AGU, Spring Meeting Supplement,72 (17) 144
Palmer, D.C. and Downs, R.T. (1991) High pressure behavior of cristobalite revealed by single-crystal X-ray diffraction. EOS Transactions, AGU, Fall Meeting Supplement, 72 (4) 478
Palmer, D.C., Downs, R.T. and Hemley, R.J. (1991) High-pressure phase transitions in cristobalite. Condensed Matter and Materials Physics Birmingham
Downs, R.T. and Gibbs, G.V. (1992) Aspects of the high temperature behavior of quartz. EOS Transactions, AGU, Spring Meeting Supplement, 73 (14) 142
Palmer, D.C., Finger, L.W., Hemley, R.J. and Downs, R.T. (1992) The high pressure tetragonal-triclinic phase transition in cristobalite. EOS Transactions, AGU, Spring Meeting Supplement, 73 (14) 301
Bartelmehs, K.L., Gibbs, G.V., Boisen, M.B., Jr. and Downs, R.T. (1993) Interactive computer software used in teaching and research in mineralogy at Virginia Tech. Geological Society of America Fall Meeting, Boston, A-347
Downs, R.T. (1993) The significance of thermal ellipsoids in the feldspar structures. NATO Advanced Study Institute ``Feldspars and Their Reactions'', Edinburgh, Scotland
Gibbs, G.V., Boisen, M.B., Jr. and Downs, R.T. (1993) Is the space group symmetry adopted by coesite, quartz and cristobalite governed by short ranged forces? EOS Transactions, AGU, Spring Meeting Supplement, 74 (16) 163
Downs, R.T., Hazen, R.M. and Finger, L.W. (1994) The high-pressure crystal chemistry of low albite. EOS Transactions, AGU, Spring Meeting Supplement, 75 (16) 188
Downs, R.T. and Ribbe, P.H. (1994) The structure of low albite at high pressures and temperatures: comparison with alkali-substituted feldspars. International Mineralogical Association, 16^th General Meeting, Pisa Italy, Session OS-1
Hazen, R.M., Downs, R.T., Finger, L.W., Conrad, P.G. and Gasparik, T. (1994) Crystal chemistry and high-pressure behavior of majorite-type garnets. EOS Transactions, AGU, Spring Meeting Supplement, 75 (16) 192
Downs, R.T., Finger, L.W. and Hazen, R.M. (1994) Rigid body refinement of the structure of quartz as a function of temperature. Geological Society of America Annual Meeting Abstracts with Programs, 26 A-111
Hazen, R.M., Downs, R.T., Finger, L.W., Gasparik, T. and Fursenko, B. (1994) Crystal chemistry of three new high-pressure silicates with octahedrally-coordinated silicon. Geological Society of America Annual Meeting Abstracts with Programs, 26 A-166
Zha, C.S., Duffy, T.S., Downs, R.T., Mao, H.K. and Hemley, R.J. (1994) Single-crystal elasticity of forsterite to 16 GPa. EOS Transactions, AGU, Fall Meeting Supplement, 75 (44) 633
Downs, R.T., Hazen, R.M. and Finger, L.W. (1995) Olivine compression mechanisms. EOS Transactions, AGU, Spring Meeting Supplement, 76 (17) 154
Andalman, A., Hudasko, M. and Downs, R.T. (1995) An electron density study of the bonding of Na and Oco in low albite. EOS Transactions, AGU, Spring Meeting Supplement, 76 (17) 154
Duffy, T.S., Zha, C.S., Downs, R.T., Mao, H.K. and Hemley, R.J. (1995) Constraints on upper mantle composition from new measurements of the elasticity of forsterite to transition zone pressures. EOS Transactions, AGU, Spring Meeting Supplement, 76 (17) 41
Hazen, R.M., Finger, L.W., and Downs R.T. (1995) High-pressure alkali and alkaline earth framework silicates with 4- and 6-coordinated silicon. EOS Transactions, AGU, Fall Meeting Supplement, 76 (46) F531
Zha, C.S., Mao, H.K., Hemley, R.J., Downs, R.T., and Duffy, T.S. (1995) Sound velocity and elasticity of b -Mg₂SiO₄under high pressure by Brillouin scattering. EOS Transactions, AGU, Fall Meeting Supplement, 76 (46) F631
Downs, R.T., and Bartelmehs, K.L. (1996) Computer visualization of temperature and pressure effects on crystal structures. EOS Transactions, AGU, Spring Meeting Supplement, 77 (17) S261
Yang, H., Hazen, R.M., Downs, R.T., and Finger, L.W. (1996) Structural change associated with the incommensurate-normal phase transition in akermanite, Ca₂MgSi₂O₇, at high pressure. EOS Transactions, AGU, Spring Meeting Supplement, 77 (17) S144
Downs, R.T. and Finger, L.W. (1996) Modeling the thermal motion of freely rotating molecules. International Union of Crystallography XVII Congress and General Assembly, Seattle Washington, C-443. (pdf file of notes)
Hazen, R.M. and Downs, R.T. (1996) Systematic crystal chemistry of high-pressure silicates: An interactive graphics demonstration. International Union of Crystallography XVII Congress and General Assembly, Seattle Washington, C-543.
Yang, H., Finger, L.W., Hazen, R.M., Downs, R.T., and Prewitt, C.T. (1996) Compressibilities and high-pressure crystal structures of kyanite and sillimanite. EOS Transactions, AGU, Fall Meeting Supplement, 77 (46) F683
Zha, C.S., Mao, H.K., Downs, R.T., and Hemley, R.J. (1996) Single-crystal elasticity of San Carlos olivine to 32.4 GPa. EOS Transactions, AGU, Fall Meeting Supplement, 77 (46) F682
Inbar, I., Downs, R.T., Somayazulu, M., Teter, D., Hazen, R.M. (1996) High-pressure behavior of CO₂. Abstracts of the March 1996 Meeting of the American Physical Society, O27.07
Mazin, I.I, Fei, Y., Cohen, R.E., and Downs, R.T. (1997) New kind of polytypism: Hexagonal FeO. The American Physical Society March Meeting.
Downs, R.T., Yang, H., Hazen, R.M., and Finger, L.W. (1997) The high-pressure crystal chemistry of the alkali feldspars: New data from reedmergnerite, NaBSi₃O₈. EOS Transactions, AGU, Spring Meeting Supplement, 78 (17) S314
Cohen, R.E., Fei, Y., Mazin, I.I., Downs, R.T., and Isaak, D.G. (1997) Phase transitions in transition metal oxides and unusual polytypism in high pressure FeO. EOS Transactions, AGU, Fall Meeting Supplement, 78 (46) F743
Downs, R.T., Teter, D.M., and Gibbs, G.V. (1997) A Pro-crystal electron density analysis of potassium-oxygen bonding in microcline and KTP as a function of pressure. EOS Transactions, AGU, Fall Meeting Supplement, 78 (46) F754
Downs, R.T. (1998) Computer graphics simulation of compression mechanisms in crystals. IUCR-HP98, Argonne, Abstracts, 21
Thompson, R.M., and Downs, R.T. (1999) Quantitative analysis of the closest-packing of anions in mineral structures as a function of pressure, temperature, and compositions. EOS Transactions, AGU, Fall Meeting Supplement, 80 (46) F1107.
Downs, R.T., Gibbs, G.V., and Boisen M.B., Jr. (1999) Topological analysis of the P21/c to C2/c transition in pyroxenes as a function of temperature and pressure. EOS Transactions, AGU, Fall Meeting Supplement, 80 (46) F1140.
Righter, K., and Downs, R.T. (2000) Magnesioferrite spinel as the host phase for iridium and other highly siderophile elements at the cretaceous-tertiary boundary. Meteoritical Society Meeting. Meteoritics & Planetary Science 35: A136-A137, Supplement S Sep 2000
Downs, R.T., Gibbs, G.V., Giovanni, M.K., Boisen, M.B.Jr., and Rosso, K.M. (2001) A comparison of procrystal and first-principles crystal electron density distributions with application to understanding the phase changes in pyroxenes. In Eleventh Annual V.M. Goldschmidt Conference, Abstract#3902, LPI Contribution No. 1088, Lunar and Planetary Institute, Houston (CD-ROM). May 20-24, Hot Springs, VA.
Thompson, R.M., Downs, R.T., and Lienert, C. (2001) Ideal Pyroxene Topologies. In Eleventh Annual V.M. Goldschmidt Conference, Abstract#3149, LPI Contribution No. 1088, Lunar and Planetary Institute, Houston (CD-ROM). May 20-24, Hot Springs, VA.
Thompson, R.M., Downs, R.T., and Teter, D.M. (2001) Packing systematics of stishovite. EOS Transactions, AGU, Fall Meeting Supplement, 82 (47) F1156. (html file)
Origlieri, M.J., Downs, R.T., and Harlow, G.E. (2001) Compression mechanism of the pyroxene kosmochlor. EOS Transactions, AGU, Fall Meeting Supplement, 82 (47) F1393.
Pommier, C.J.S., Denton, M.B., and Downs, R.T. (2002) Polarized Raman spectroscopic study of the pressure-induced phase change from C2/c to P21/c in spodumene. Pittcon 1747P, New Orleans, LA, March 17-22, 2002. (pdf file)
Lager, G.A., Marshall, W.G., and Downs, R.T. (2002) Keynote address: Re-examination of the hydrogarnet structure at high pressure using neutron powder methods: Comparison with single-crystal X-ray and theoretical results. 18th General Meeting of the International Mineralogical Association, 1-6 Sept, 2002, Edinburgh, Scotland. Programme With Abstracts, page 82.
Origlieri, M.J., Thompson, R.M., Downs, R.T., and Gibbs, G.V. (2002) The relationship between compression anisotropy observed in the pyroxenes and oxide anion non-bonded repulsions. 18th General Meeting of the International Mineralogical Association, 1-6 Sept, 2002, Edinburgh, Scotland. Programme With Abstracts, page 71.
Downs, R.T., and Hall-Wallace, M. (2002) A Database of Crystal Structures Published in the American Mineralogist and The Canadian Mineralogist and It’s Use as a Resource in the Classroom. 18th General Meeting of the International Mineralogical Association, 1-6 Sept, 2002, Edinburgh, Scotland. Programme With Abstracts, page 128.
Thompson, R.M., and Downs, R.T. (2002) Model Pyroxenes and Transition Pathways. 18th General Meeting of the International Mineralogical Association, 1-6 Sept, 2002, Edinburgh, Scotland. Programme With Abstracts, page 85.
Ross, N.L., and Downs, R.T. (2003) High-pressure crystal chemistry: “Stuffed” framework structures at high-pressure. International School of Crystallography, High Pressure Crystallography, 4-15 June. Erice, Italy
Pommier, C.J.S., Denton, M.B., and Downs, R.T. (2003) Raman spectroscopic study of spodumene through the pressure-induced phase change from C2/c to P21/c. Pittcon 1730-3, Orlando, FL, March 9-14, 2003.
Uchida, H., and Downs, R.T. (2003) Single-crystal X-ray diffraction studies on spinels from the San Carlos Volcanic Field, Arizona In Geochimica et Cosmochimica Acta 67, A497 Supplement, Goldschmidt Conference, Sept 7-12, Kurashiki Japan. (pdf file)
Hazen, R.M. and Downs, R.T. (2003) Chiral mineral surfaces and their chiral index. The Geological Society of America Annual Meeting, Seattle Washington. November 2-5, 2003. (pdf abstract)
Gibbs, G.V., Whitten, A., Spackman, M., Simpfl, M., Carducci, M., and Downs, R.T. (2003) The silica polymorph coesite: An exploration of the electron density. The Geological Society of America Annual Meeting, Seattle Washington. November 2-5, 2003. (pdf abstract)
McIntosh, B., Denton, M.B., Downs, R.T., Becker, D. (2003) Smart Raman instrument for Mars Science Laboratory. Mars Exploration Program Assessment Group, Sept 10-11, Jet Propulsion Laboratory, Pasadena, CA. (pdf file)
Tait KT, Zhao, Y., and Downs, R.T. (2004) Investigations into the stability, morphology, and crystal structure of the coexistence of s-I and s-II methane-ethane and methane-propane clathrate hydrates: occurrence and geological implications. Lab Directed Research Dollars Review at LANSCE, Los Alamos, New Mexico. March 17, 2004.
McIntosh, B. Denton, M.B., and Downs, R.T. (2004) Process Raman on Earth and research Raman on Mars - How are they related? Pittcon March 11, 2004. (Session: 24300-1000). Chicago, IL.
Liermann H. P., Downs R. T., Yang H. (2004) Raman spectroscopy of order/disorder in pseudobrookite (MgTi2O5): Implication for the determination of the thermal history of planetary materials by remote sensing. 32nd IGC - Florence 2004.
Hazen, R.M., Asthagiri, A., Teng, H., and Downs, R.T. (2004) Geochemical pathways to the origin of biochemical homochirality. Division of Geochemistry, American Chemical Society National Meeting, Philadelphia, PA, Aug 22-26. (html file)
Downs, R.T., Liermann, H.P., and Yang, H. (2004) The analysis of Mg and Ti order/disorder in pseudobrookite by Raman spectroscopy: Implications for the geological exploration of Mars. Geological Association of Canada - Mineralogical Association of Canada Annual Meeting, St. Catherines 2004. SS01-06.
Asthagiri, A., Downs, R.T., and Hazen, R.M. (2004) Density functional theory modeling of interactions between amino acids and chiral mineral surfaces. Fall GSA, Denver, 9 Nov. 2004. Geological Society of America Abstracts with Programs, Vol. 36, No. 5, p. 338. (html file)
Downs, R.T., Rossman, G., Drake, M.J., and Denton, M.B. (2004) A comprehensive Raman spectral library of minerals with search/match/predict capability. Fall Geological Society of America, Denver, 9 Nov, 2004.
Downs, R.T., (2004) Scientific databases of the Mineralogical Society of America. GeoSciences Information Systems E-Resources Forum. Fall GSA, Denver, 7 Nov. 2004.
Thompson, R.M., Downs, R.T. (2004) Volume of C2/c pyroxenes at mantle P, T, and x. EOS Transactions, AGU, 85(47), Fall Meeting Supplement, Abstract MR11A-0891.
Yang H, Manoun B, Downs R T, Ganguly A, and Barsoum M W (2005) Crystal chemistry of layered carbide, Ti3(Ge0.57Si0.43)C2. Study of Matter at Extreme Conditions 2005 Conference, Miami Beach. Poster 18, page 109-110.
K. Tait, M. Hartl, D. Williams, C. Pantea, L.L. Daemen, Y. Zhao , and Downs R T (2005) Diffraction and spectroscopy of thorite and huttonite (ThSiO4), Geophysical Research Abstracts, Vol. 7, 10957, European Geophysical Union, Vienna, Austria, April 24-29, 2005.
Lavina, B., Polozov, A., and Downs, R.T. (2005) Mg, Al, Si, Ca - bearing magnetite from Korshunovskoe, East Siberia. XX Congress of the International Union of Crystallography, 23-31 August, Florence, Italy
Tait, K.T., Zhao, Y., Downs, R.T., Stern, L.A., & Kirby, S. (2005) Investigations into the stability, morphology and the crystal structure of structure I and II methane-ethane clathrate hydrates. International Conference on Gas Hydrates, June 13-16, 2005.
Rajenski, K., Mogk, D., and Downs, R.T. (2005) Teaching mineralogy with crystal structure databases and visualization software: A digital resource collection. Goldschmidt Conference, Moscow, Idaho, May 20-25.
McCarthy, A., Domanik, K., and Downs, R.T. (2005) Determining structural chemical formulae using the American Mineralogist Crystal Structure Database. Goldschmidt Conference, Moscow, Idaho, May 20-25.
LeBail A, Chateigner D, Chen X, Ciriotti M, Cranswick L M D, Downs R T, Lutterotti L, Yokochi A F T (2005) COD (Crystallography Open Database) and PCOD (Predicted). Acta Crystallographica A61, C481-C481 (pdf file)
Yang, H., Lu, R., White, A., Downs, R.T., and Ma, Y. (2005) X-ray diffraction study of marokite (CaMn2O4) to 40 GPa. Abstracts of the Geological Society of America Annual Fall Meeting, Salt Lake City, 16-19 October 2005.
Schmidt, G., Uchida H., Mooney, P., Lu, R., and Downs, R.T. (2005) Oriented crystal studies: Orienting the crystals Abstracts of the Geological Society of America Annual Fall Meeting, Salt Lake City, 16-19 October 2005.
Dembowski, R.F., Mooney, P.R., Laetsch, T.A., Lu, R., and Downs, R.T. (2005) Orientation in Raman spectroscopy. Abstracts of the Geological Society of America Annual Fall Meeting, Salt Lake City, 16-19 October 2005. link
Mooney, P.R., Dembowski, R.F., Laetsch, T.A., Zwick, J., Downs, R.T., and Lu, R. (2005) RRUFF Project: Developing an integrated database of Raman and infrared spectra, X-ray diffraction and chemistry data for minerals. Abstracts of the Geological Society of America Annual Fall Meeting, Salt Lake City, 16-19 October 2005. (pdf of poster)
Lu, R., Downs, R.T., Denton, M.B., and Rossman, G.R. (2005) Integrated database of Raman spectra, X-ray diffraction and chemistry data for minerals. Abstracts of the Geological Society of America Annual Fall Meeting, Salt Lake City, 16-19 October 2005.
Tait K T, Mao W L, Zhao Y, Trouw F R, Daemen L L, and Downs R T (2006) Gas hydrate experimental capabilities at the Los Alamos Neutron Scattering Center (LANSCE). LANSCE Basic Energy Sciences Review, Los Alamos, 21 March, 2006. link
Downs R T (2006) The RRUFF Project: an integrated study of the chemistry, crystallography, Raman and infrared spectroscopy of minerals. Program and Abstracts of the 19th General Meeting of the International Mineralogical Association in Kobe, Japan. O03-13 link
Origlieri M J, Downs R T, Carducci M D, Rosso K M, Gibbs G V (2006) Crystal structure and bonding in the new mineral AsSbO₃. Program and Abstracts of the 19th General Meeting of the International Mineralogical Association in Kobe, Japan. O08-06 link PowerPoint Slides
McCarthy A C, Downs R T, Lu R, Yang H (2006) Reexamination of yedlinite, Pb₆(Cl,OH)₆Cr³⁺(OH,O)₈, using single-crystal X-ray diffraction and Raman spectroscopy, and redetermination of the chemical formula. Program and Abstracts of the 19th General Meeting of the International Mineralogical Association in Kobe, Japan. P08-12 link
Ikuto D, Kawame N, Banno S, Hirajima T, Ito K, Rakovan J F, Downs R T, Tamada O (2006) First in situ X-ray identification of coesite and retrogressed quartz on a glass thin section of ultrahigh-pressure metamorphic rock and their crystal structure details. Program and Abstracts of the 19th General Meeting of the International Mineralogical Association in Kobe, Japan. P08-21 link
Laetsch T A, Downs R T (2006) Software for identification and refinement of cell parameters from powder diffraction data of minerals using the RRUFF Project and American Mineralogist Crystal Structure Databases. Program and Abstracts of the 19th General Meeting of the International Mineralogical Association in Kobe, Japan. P08-25 link
Tait K T, Trouw F R, Hehlen M P, Shapiro A H, Zhao Y, Downs R T (2006) Inelastic neutron study of THF+D₂ clathrates. Program and Abstracts of the 19th General Meeting of the International Mineralogical Association in Kobe, Japan. P34-01 link
Fong-Kee, G. (San Miguel High School), Thompson, R.M., and Downs, R.T. (2006) Mineralogy and Crystallography, Undergraduate Biology Research Program Summer Poster Session, University of Arizona.
Thompson R M, Downs R T (2006) The crystal structure of diopside at pressure to 10 GPa. Eos Transactions, American Geophysical Union 87(52), Fall Meeting Supplement, Abstract MR21B-0018 link
Ross N L, Gibbs G V, Downs R T, Prewitt C T, Rosso K M, Cox D F (2006) Electron density distributions for millerite, vaesite, heazlewoodite and Ni metal: A case for the importance of NiNi bond paths for electron transport. Eos Transactions, American Geophysical Union 87(52), Fall Meeting Supplement, Abstract MR43B-1086 link
Gibbs G V, Cox D F, Rosso K M, Ross N L, Downs R T (2006) Bonded interactions in Fe and Cu sulfides; Do electroneutrality requirements hold in the classical sense for sulfides. Eos Transactions, American Geophysical Union 87(52), Fall Meeting Supplement, Abstract MR34A-08 PowerPoint Slides
Dera P, Downs R T, Liermann H, Yang W (2006) Oscillation Laue Analysis (OLA) - A new crystal structure determination method for mineral physics. Eos Transactions, American Geophysical Union 87(52), Fall Meeting Supplement, Abstract MR24A-02 link
Uchida H, Downs R T, Yang H (2006) Crystal-chemical investigation of kalsilite from San Venanzo, Italy, using single-crystal X-ray diffraction and Raman spectroscopy. Goldschmidt Conference Abstracts 2006, Geochimica et Cosmochimica Acta 70, A677-A680 link
Downs R T, Thompson R M, Pommier C J S, McCarthy A C, Yang H (2007) Crystal chemistry of pyroxene compression. Study of Matter at Extreme Conditions Conference, Miami Beach, April 15-20, 2007
Lu R, Konzett J, Frost D J, Yang H, Downs R T (2007) High-pressure Raman spectroscopic study of clinopyroxenes with 6-coordinated silicon. Study of Matter at Extreme Conditions Conference, Miami Beach, April 15-20, 2007
Yang H, Konzett J, Downs R T (2007) Synthesis, crystal chemistry, and compressibility of a high-pressure phase (Ti_0.50Zr_0.26Cr_0.10Mg_0.14)O_1.81 isostructural with cubic zirconia. Study of Matter at Extreme Conditions Conference, Miami Beach, April 15-20, 2007
Thompson R M, McCarthy A C, Downs R T (2007) Crystal Chemical Controls on Equation of State. EOS Transactions AGU 88(52), Fall Meet. Suppl., Abstract DI44A-03 link
Hazen R M, Papineau D, Bleeker W, Downs R T, Ferry J M, McCoy T J, Sverjensky D A, Yang H (2008) Mineralogical coevolution of the geo- and biospheres. Goldschmidt Conference Abstracts. Geochimica et Cosmochimica Acta 72, A360-A360 link

Invited Talks:

Michigan Technological University, Department of Geological Engineering and Sciences colloquium, 24 September 1995, "Compression Mechanisms in Minerals"
University of Arizona Geosciences colloquium, 12 October 1995, "Compression Mechanisms in Minerals"
International Union of Crystallography XVII Congress and General Assembly, Seattle Washington, 11 August 1996, "Systematic Crystal Chemistry of High-Pressure Silicates: An Interactive Graphics Demonstration"
International Union of Crystallography XVII Congress and General Assembly, Seattle Washington, 16 August 1996, "Modeling the thermal motion of freely rotating molecules"
University of Arizona Geosciences colloquium, 17 April 1997, "Phase Transitions, Mechanisms and Implications"
Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM, October 10, 1997. "Mineral Phase Transitions, Mechanisms and Geologic Implications"
Department of Geology, Arizona State University, Tempe, AZ, January 28, 1998. "Mineral Phase Transitions, Mechanisms and Geologic Implications"
Friends of Mineralogy Annual Meeting, Seattle/Tacoma, Washington, September 26, 1998. "Mr. Angstrom’s View of the Universe"
Tucson Gem and Mineral Society, Tucson, Arizona, November 2, 1998. "Mr. Angstrom’s View of the Universe: Phosphates, Arsenates and Vanadates"
Mineralogical Society of America Short Course, Ultrahigh-Pressure Mineralogy: Physics and Chemistry of the Earth’s Deep Interior, Davis California, December 5, 1998. "High-Pressure Crystal Chemistry"
Mineralogy at the Millenium, sponsored by The Carnegie Institution of Washington, The National Science Foundation, and The Mineralogical Society of America, April 11-13, 1999, Washington, D.C. "Visualizing Mineral Behavior".
Caltech Geology Club, Nov 17, 1999. "Atomic Scale Response of Minerals to Pressure".
Conference for The Study of Matter at Extreme Conditions, Miami Florida, March 30, 2001. "Change in a crystal structure at simultaneous P and T, using titanite".
American Crystallographic Association Annual Meeting, “The analysis of bonding changes in pyroxenes at pressure and temperature using procrystal electron densities.” July 21-26, 2001, Los Angeles, California.
Geological Sciences at New Mexico State University, November 14, 2001, Las Cruces, New Mexico. " Minerals at pressure: atomic scale compression".
Los Alamos National Laboratory, July 25, 2002, Los Alamos, New Mexico. " Minerals at pressure: atomic scale compression mechanisms".
SMEC (Study of Matter at Extreme Conditions) Conference, Miami, Florida, March 2003, "Single-crystal studies under deviatoric conditions".
Royal Ontario Museum, Toronto, Ontario, Canada, June 2003, "My colleagues call me a high-pressure mineral physicist..."
Kyoto University, Kyoto, Japan, October 29, 2003. "The Effect of Pressure on Minerals Part 1. Hydrostatic Pressure".
Kyoto University, Kyoto, Japan, December 3, 2003. "The Effect of Pressure on Minerals Part 2. Non-hydrostatic Pressure".
Kanazawa University, Kanazawa, Japan, November 28, 2003. "The Effect of Pressure on Minerals".
GAC-MAC Annual Meeting, St. Catherines May 2004. "The analysis of Mg and Ti order/disorder in pseudobrookite by Raman spectroscopy: Implications for the geological exploration of Mars."
Tucson Gem and Mineral Show Symposium, February 2008. "Minerals of the RRUFF project."
Indiana University Geosciences Colloquim, April 2008. "Compression Mechanisms of Minerals."
Compres 2008 meeting, Colorado Springs, Colorado, June, 2008. "Software from the RRUFF project databases, Raman and powder X-ray search/match routines for mineral identification."

Journal Publications:

Gibbs, G.V., Boisen, M.B., Jr., Downs, R.T. and Lasaga, A.C. (1988) Mathematical Modeling of the structures and bulk moduli of TX₂ quartz and cristobalite structure types, T = C, Si, Ge and X = O, S. Materials Research Society Symposium Proceedings, 121, 155-165. (pdf file)
Boisen, M.B., Jr., Gibbs, G.V., Downs, R.T. and D'Arco, P. (1990) The dependence of the SiO bond length on structural parameters in coesite, the silica polymorphs and the clathrasils. American Mineralogist, 75, 748-754. (pdf file)
Downs, R.T., Gibbs, G.V. and Boisen, M.B., Jr. (1990) A study of the mean-square displacement amplitudes of Si, Al and O atoms in framework structures: Evidence for rigid bonds, order, twinning and stacking faults. American Mineralogist, 75, 1253-1267. (pdf file)
Gunter, M.E. and Downs, R.T. (1991) Drill: A computer program to aid in building ball and spoke crystal models. American Mineralogist, 76, 293-294. (pdf file)
Bartelmehs, K.L., Bloss, F.D., Downs, R.T. and Birch, J.B. (1992) Excalibr II. Zeitschrift für Kristallographie, 199, 185-196. (pdf file)
Downs, R.T., Gibbs, G.V., Bartelmehs, K.L. and Boisen, M.B., Jr. (1992) Variations of bond lengths and volumes of silicate tetrahedra with temperature. American Mineralogist, 77, 751-757. (pdf file)
Palmer, D.C., Finger, L.W., Hemley, R.J. and Downs, R.T. (1992) The high pressure behavior of cristobalite. International Union of Crystallography, High-Pressure Group Meeting, May 30-31. (pdf file)
Sterner, S.M., Chou, I-M., Downs, R.T. and Pitzer, K.S. (1992) Phase relations in the system NaCl-KCl-H₂0: V. Thermodynamic-PTX analysis of solid-liquid equilibria at high temperatures and pressures. Geochimica et Cosmochimica Acta, 56, 2295-2309. (pdf file)
Downs, R.T., Bartelmehs, K.L., Gibbs, G.V. and Boisen, M.B., Jr. (1993) Interactive software for calculating and displaying X-ray or neutron powder diffractometer patterns of crystalline materials. American Mineralogist, 78, 1104-1107. (pdf file)
Hazen, R.M., Downs, R.T., Finger, L.W. and Ko, J. (1993) Crystal chemistry of ferromagnesian silicate spinels: Evidence of Mg-Si disorder. American Mineralogist, 78, 1320-1323. (pdf file)
Downs, R.T., Hazen, R.M. and Finger, L.W. (1994) The high-pressure crystal chemistry of low albite and the origin of the pressure dependency of Al/Si order-disorder. American Mineralogist, 79, 1042-1052. (pdf file)
Downs, R.T. and Palmer, D.C. (1994) The pressure behavior of a cristobalite. American Mineralogist, 79, 9-14. (pdf file)
Finger, L.W., Hazen, R:M., Downs, R.T., Meng, R.L. and Chu, C.W. (1994) Crystal chemistry of HgBa₂CaCu₂O_6+dand HgBa₂Ca₂Cu₃O_8+d: Single-crystal X-ray diffraction results. Physica C, 226, 216-221. (pdf file)
Hazen, R.M., Downs, R.T., Conrad, P.G. Finger, L.W., and Gasparik, T. (1994) Comparative compressibilities of majorite-type garnets. Physics and Chemistry of Minerals, 21, 344-349. (pdf file)
Hazen, R.M., Downs, R.T., Finger, L.W., Conrad, P.G. and Gasparik, T. (1994) Crystal chemistry of Ca-bearing majorite. American Mineralogist, 79, 581-584. (pdf file)
Nicoll, J.S., Gibbs, G.V., Boisen, M.B., Jr., Downs, R.T. and Bartelmehs, K.L. (1994) Bond length and radii variations in fluoride and oxide molecules and crystals. Physics and Chemistry of Minerals, 20, 617-624. (pdf file)
Bartelmehs, K.L., Downs, R.T., Gibbs, G.V., Boisen, M.B., Jr., Birch, J.B. (1995) Tetrahedral rigid-body motion in silicates. American Mineralogist, 80, 680-690. (pdf file)
Downs, R.T., Hazen, R:M., Finger, L.W. and Gasparik, T. (1995) Crystal chemistry of lead aluminosilicate hollandite: A new high-pressure synthetic phase with octahedral silicon. American Mineralogist, 80, 937-940. (pdf file)
Duffy, T.S., Zha, C-S., Downs, R.T., Mao, H-K., and Hemley, R.J. (1995) Elasticity of forsterite to 16 GPa and the composition of the upper mantle. Nature, 378, 170-173. (pdf file)
Downs, R.T., Zha, C.-S., Duffy, T.S. and Finger, L.W. (1996) The equation of state of forsterite to 17.2 GPa and effects of pressure media. American Mineralogist, 81, 51-55. (pdf file)
Hazen, R.M., Downs, R.T. and Finger, L.W. (1996) High-pressure crystal chemistry of LiScSiO₄, an olivine with nearly isotropic compression. American Mineralogist, 81, 327-334. (pdf file)
Hazen, R.M., Downs, R.T., and Finger, L.W. (1996) High-pressure framework silicates. Science, 272, 1769-1771. (pdf file)
Zha, C-S., Duffy, T.S., Downs, R.T., Mao, H-K., and Hemley, R.J. (1996) Sound velocity and elasticity of single-crystal forsterite to 16 GPa. Journal of Geophysical Research, 101, 17535-17545. (pdf file)
Struzhkin, V.V., Timofeev, Y.A., Downs, R.T., Hemley, R.J., and Mao, H.K. (1996) Tc(P) from magnetic susceptibility measurements in high temperature superconductors: YBa₂Cu₃O_7-x and HgBa₂Ca₂Cu₃0_8+x. High Pressure Science and Technology, Proceedings of the Joint XV International Association for the Advancement of High Pressure Science and Technology & XXXIII European High Pressure Research Group, Poland, September 11-15, 1995, Editor: W.A. Trzeciakowski, 1996, World Scientific Publishing Co., Singapore, 682-685. (pdf file)
Downs, R.T., Andalman, A., and Hudasko, M. (1996) The coordination numbers of Na and K atoms in low albite and microcline as determined from a procrystal electron-density distribution. American Mineralogist, 81, 1344-1349. (pdf file)
Yang, H., Downs, R.T., Finger, L.W., Hazen, R.M., and Prewitt, C.T. (1997) Compressibility and crystal structure of kyanite, Al₂SiO₅, at high pressure. American Mineralogist, 82, 467-474. ( pdf file)
Zha, C-S., Duffy, T.S., Mao, H.K., Downs, R.T., Hemley, R.J., and Weidner, D.J. (1997) Single-crystal elasticity of b -Mg₂SiO₄ to the pressure of the 410 km seismic discontinuity in the Earth's ,mantle. Earth and Planetary Science Letters, 147, E9-E15. (pdf file)
Yang, H., Hazen, R.M., Downs, R.T., and Finger, L.W., (1997) Structural change associated with the incommensurate-normal phase transition in akermanite, Ca₂MgSi₂O₇, at high pressure. Physics and Chemistry of Minerals, 24, 510-519. (pdf file)
Badro, J., Teter, D.M., Downs, R.T., Gillet, P., Hemley, R.J., and Barrat, J-L. (1997) Theoretical study of a five-coordinated silica polymorph. Physical Review B, 56, 5797-5806. (pdf file)
Zha, C-S., Duffy, T.S., Downs, R.T., Mao, H.K., Hemley, R.J., and Weidner, D.J. (1998) Single-crystal elasticity of the a and b polymorphs of Mg₂SiO₄ at high pressure. In Properties of Earth and Planetary Materials at High Pressure and Temperature: Geophysical Monograph 101, 9-16. M. H. Manghnani and T. Yagi, editors. American Geophysical Union, Washington, D.C. (pdf file)
Mazin, I., Fei, Y., Downs, R.T., and Cohen, R. (1998) Possible polytypism in FeO at high pressure. American Mineralogist, 83, 451-457. ( pdf file)
Yang, H., Hazen, R.M., Finger, L.W., Prewitt, C.T., and Downs, R.T., (1998) Compressibility and crystal structure of sillimanite, Al₂SiO₅, at high pressure. Physics and Chemistry of Minerals, 25, 39-47. ( pdf file)
Downs, R.T., and Somayazulu, M. (1998) Carbon dioxide at 1.0 GPa. Acta Crystallographica C54, 897-898. (pdf file)
Zha, C-S., Duffy, T.S., Downs, R.T., Mao, H.K., and Hemley, R.J. (1998) Brillouin scattering and X-ray diffraction of San Carlos olivine: Direct pressure determination to 32 GPa. Earth and Planetary Science Letters 159, 25-33. (pdf file)
Gibbs, G.V., Hill, F.C., Boisen, M.B., Jr., and Downs, R.T. (1998) Power law relationships between bond length, bond strength and electron density distributions. Physics and Chemistry of Minerals 25, 585-590. (pdf file)
Gibbs, G.V., Boisen, M.B., Jr., Hill, F.C., Tamada, O., and Downs, R.T. (1998) SiO and GeO bonded interactions as inferred from the bond critical point properties of electron density distributions. Physics and Chemistry of Minerals, 25,574-584. (pdf file)
Jacobsen, S.D., Smyth, J.R., Swope, R.J., and Downs, R.T. (1998) Rigid-body character of the SO₄ groups in celestite, anglesite, and barite. Canadian Mineralogist, 36, 1045-1055. (pdf abstract)
Cohen, R. E., Fei, Y., Downs, R.T., Mazin, I.I., and Isaak, D.G. (1998) Magnetic collapse and the behavior of transition metal oxides: FeO at high pressures, in High-Pressure Materials Research, R. M. Wentzcovitch et al., eds., pp. 27-37, Symposium Proceedings Vol. 499, Materials Research Society, Warrendale, Pennsylvania. (pdf file)
Prewitt, C.T. and Downs, R.T. (1998) High-Pressure Crystal Chemistry. Reviews in Mineralogy, 37, Ultrahigh-Pressure Mineralogy: Physics and Chemistry of the Earth's Deep Interior, Russell J. Hemley, Editor. Mineralogical Society of America, Washington DC. (pdf file)
Gibbs, G.V., Hill, F.C., Boisen, M.B., Jr., and Downs, R.T. (1999) Molecules as a basis for modeling the force field of silica. In Structure and Imperfections in Amorphous and Crystalline SiO₂. Rod Devine, editor, John Wiley and Sons, Chapter 6, 151-163. (pdf file)
Downs, R.T., Yang, H., Hazen, R.M., Finger, L.W., and Prewitt, C.T. (1999) Compressibility mechanisms of alkali feldspars: New data from reedmergnerite. American Mineralogist, 84, 333-340. (pdf file)
Sprague, A.L., Roush, T.L., Downs, R.T., Righter, K. (2000) Response to comment on "Comparison of laboratory emission spectra with Mercury telescopic data" by Melissa Lane. Icarus 143, 409-411. (pdf file)
Holl, C.M., Smyth, J.R., Laustsen, H.M.S., Jacobsen, S.D., and Downs, R.T. (2000) Compression of witherite to 8 GPa and the crystal structure of BaCO₃ II. Physics and Chemistry of Minerals, 27, 467-473. (pdf file)
Angel, R.J., Downs, R.T., and Finger, L.W. (2000) High-temperature - high-pressure diffractometry. Reviews in Mineralogy and Geochemistry, 41, High-Temperature and High-Pressure Crystal Chemistry, Robert M. Hazen and Robert T. Downs, Editors. Mineralogical Society of America, Washington DC. (pdf file)
Downs, R.T. (2000) Analysis of harmonic displacement factors. Reviews in Mineralogy and Geochemistry, 41, High-Temperature and High-Pressure Crystal Chemistry, Robert M. Hazen and Robert T. Downs, Editors. Mineralogical Society of America, Washington DC. (pdf file)
Downs, R.T., and Heese, P.J. (2000) Animation of crystal structure variations with pressure, temperature and composition. Reviews in Mineralogy and Geochemistry, 41, High-Temperature and High-Pressure Crystal Chemistry, Robert M. Hazen and Robert T. Downs, Editors. Mineralogical Society of America, Washington DC. (pdf file)
Hazen, R.M., Downs, R.T., and Prewitt, C.T. (2000) Principles of comparative crystal chemistry. Reviews in Mineralogy and Geochemistry, 41, High-Temperature and High-Pressure Crystal Chemistry, Robert M. Hazen and Robert T. Downs, Editors. Mineralogical Society of America, Washington DC. (pdf file)
Thompson, R.M., and Downs, R.T. (2001) Quantifying distortion from ideal closest-packing in a crystal structure with analysis and application. Acta Crystallographica B57, 119-127. (pdf file)
Righter, K., and Downs, R.T. (2001) The crystal structures of synthetic Re- and PGE-bearing magnesioferrite spinels: Implications for impacts, accretion and the mantle. Geophysical Research Letters, 28, 619-622. (pdf file)
Thompson, R.M., and Downs, R.T. (2001) The systematic generation of all nonequivalent closest-packed stacking sequences of length N using group theory. Acta Crystallographica B57, 766-771. (pdf file)
Lager, G.A., Downs, R.T., Origlieri, M., and Garoutte, R. (2002) High-pressure single-crystal X-ray diffraction study of hydrogarnet: Evidence for a phase transition from Ia3d to I43d symmetry at 5 GPa. American Mineralogist 87, 642-647. (pdf file)
Downs, R.T., Gibbs, G.V., Boisen, M.B.Jr., and Rosso, K.M. (2002) A comparison of procrystal and ab initio representations of the electron-density distributions of minerals. Physics and Chemistry of Minerals 29, 369-385. (pdf file)
Downs, R.T. and Hall-Wallace, M. (2003) The American Mineralogist Crystal Structure Database. American Mineralogist 88, 247-250. (pdf file)
Downs, R.T. (2003) Topology of the pyroxenes as a function of temperature, pressure, and composition as determined from the procrystal electron density. American Mineralogist 88, 556-566. (pdf file)
Thompson, R.M. and Downs, R.T. (2003) Model pyroxenes I: Ideal pyroxene topologies. American Mineralogist 88, 653-666. (pdf file)
Denton, M.B., Sperline, R.P., Giles, J.H., Gilmore, D.A., Pommier, C.J.S., and Downs, R.T. (2003) Advances in the application of array detectors for improved chemical analysis, Part I. Comparison of qualitative analyses using large, computer-based Raman spectral libraries. Australian Journal of Chemistry 56, 117-131. (pdf file)
Downs, R.T. (2003) The Berry Medal for 2002 to Robert T. Downs. The Canadian Mineralogist 41, 243-245. (pdf file)
Gibbs, G.V., Cox, D.F., Boisen, M.B., Jr., Downs, R.T., and Ross, N.L. (2003) The electron localization function: a tool for locating favorable proton docking sites in the silica polymorphs. Physics and Chemistry of Minerals, 30, 305-316. (pdf file)
Origlieri, M.J., Downs, R.T., Thompson, R.M., Pommier, C.J.S., Denton, M.B., and Harlow, G.E. (2003) High-pressure crystal structure of kosmochlor, NaCrSi₂O₆, and systematics of anisotropic compression in pyroxenes. American Mineralogist, 88, 1025-1032. (pdf file) (erratum)
Wang, Z., Downs, R.T., Pischedda, V., Shetty, R., Saxena, S.K., Zha, C.S., Zhao, Y.S., Schiferl, D., and Waskowska, A. (2003) High-pressure X-ray diffraction and Raman spectroscopic studies of the tetragonal spinel CoFe₂O₄. Physical Review B, 68, 094101. (pdf file)
Wang, Z., Zhao, Y., Schiferl, D., Zha, C.S., Downs, R.T., Sekine, T. (2003) Critical pressure for weakening of size-induced stiffness in spinel-structure Si₃N₄ nanocrystals. Applied Physics Letters, 83, 3174-3176. (pdf file)
Pommier, C.J.S., Denton, M.B., and Downs, R.T. (2003) Raman spectroscopic study of spodumene (LiAlSi₂O₆) through the pressure-induced phase change from C2/c to P2₁/c. Journal of Raman Spectroscopy, 34, 769-775. (pdf file)
Gibbs, G.V., Whitten, A.E., Spackman, M.A., Stimpfl, M., Downs, R.T., and Carducci, M.D. (2003) An exploration of theoretical and experimental electron density distributions and SiO bonded interactions for the silica polymorph coesite. Journal of Physical Chemistry B, 107, 12996-13006 (pdf file)
Wang, Z., Zhao, Y., Schiferl, D., Qian, J., Downs, R.T., Mao, H-K., and Sekine, T. (2003) Threshold pressure for disappearance of size-induced effect in spinel-structure Ge3N4 nanocrystals. Journal of Physical Chemistry B, 107, 14151-14153 (pdf file)
Ross, N.L. and Downs, R.T. (2003) "Stuffed" framework structures at high pressure. In NATO ASI Series: High-Pressure Crystallography, P.F. McMillan and A. Katrusiak, Eds., Kluwer Academic Press.
Thompson, R.M., and Downs, R.T. (2004) Model pyroxenes II: Structural variation as a function of tetrahedral rotation. American Mineralogist 89, 614-628. (pdf file)
Clark, C.M., and Downs, R.T. (2004) Using the American Mineralogist Crystal Structure Database in the classroom. Invited paper, Journal of Geoscience Education 51, 76-80. (pdf file)
Downs, R.T., and Hazen, R.M. (2004) Chiral indices of crystalline surfaces as a measure of enantioselective potential. Invited paper, Journal of Molecular Catalysis A: Chemical 216, 273-285. (pdf file)
Wang, Z, Zhao, Y., Schiferl, D., Zha, C.S., and Downs, R.T. (2004) Pressure induced increase of particle size and resulting weakening of elastic stiffness of CeO₂ nanocrystals. Applied Physics Letters 85, 124-126. (pdf file)
Wang, Z, Tait, K., Zhao, Y., Schiferl, D., Zha, C.S., Uchida, H., and Downs, R.T. (2004) Size-induced reduction of transition pressure and enhancement of bulk modulus of AlN nanocrystals. Journal of Physical Chemistry B 108, 11506-11508. (pdf file)
Wang, Z, Zhao, Y., Tait, K., Liao, X., Schiferl, D., Zha, C.S., Downs, R.T., Qian J., Zhu, Y., and Shen, T. (2004) A quenchable superhard carbon phase synthesized by cold compression of carbon nanotubes. Proceedings of the National Academy of Sciences of the United States of America 101, 13699-13702 (pdf file)
Le Bail, A., Chateigner, D., Chen, X., Ciriotti, M., Cranswick, L.M.D., Downs, R.T., Lutterotti, L., Rajan, H., and Yokochi, A.F.T. (2004) Does open data better serve the crystallographic community? International Union of Crystallography Newsletter 12, 27.
Lager, G.A., Marshall, W.G., Liu, Z., and Downs, R.T. (2005) Re-examination of the hydrogarnet structure at high pressure using neutron powder diffraction and infrared spectroscopy. American Mineralogist 90, 639-644. (pdf file)
Pommier, C.J.S., Downs, R.T., Stimpfl, M., Redhammer, G.J., and Denton, M.B. (2005) Raman and X-ray investigations of LiFeSi2O6 pyroxene under pressure. Journal of Raman Spectroscopy 36, 864-871. (pdf file)
Gunter, M.E., Downs, R.T., Bartelmehs, K.L., Evans, S.H., Pommier, C.J.S., Grow, J.S., Sanchez, M.S., and Bloss, F.D. (2005) Optic properties of centimeter-sized crystals determined in air with the spindle stage using EXCALIBRW. American Mineralogist 90, 1648-1654. (pdf file)
Gibbs, G.V., Cox, D.F., Ross, N.L., Crawford T.D., Downs, R.T., and Burt, J.B. (2005) Comparison of the electron localization function and deformation electron density maps for selected earth materials. Journal of Physical Chemistry A 109, 10022-10027. (pdf file)
Uchida, H., Lavina, B., Downs, R.T., and Chesley, J. (2005) Single-crystal X-ray diffraction of spinels from the San Carlos Volcanic Field, Arizona: Spinel as a geothermometer American Mineralogist 90, 1900-1908 (pdf file)
Thompson, R.M., Downs, R.T., and Redhammer, G.J. (2005) Model pyroxenes III: Volume of C2/c pyroxenes at mantle P, T, and x. American Mineralogist 90, 1840-1851 (pdf file)
Wang Z, Daemen L.L., Zhao, Y., Zha, C.S., Downs, R.T., Wang, X., Wang, Z.L., Hemley, R.J. (2005) Morphology-tuned wurtzite-type ZnS nanobelts. Nature Materials 4, 922-927. (pdf file)
Gibbs G.V., Downs R.T., Prewitt C.T., Rosso K.M., Ross N.L., and Cox D.F. (2005) Electron density distributions calculated for the nickel sulfides millerite, vaesite and heazlewoodite and nickel metal: A case for the importance of Ni-Ni bond paths for electron transport. Journal of Physical Chemistry B 109, 21788-21795. (pdf file)
Downs R.T. (2005) XtalDraw for Windows. Commission on Powder Diffraction, International Union of Crystallography Newsletter 30, 32-33. (pdf file)
Rajan, H., Uchida, H., Bryan, D.L., Swaminathan, R., Downs, R.T., Hall-Wallace, M. (2006) Building the American Mineralogist Crystal Structure Database: A recipe for construction of a small Internet database. In Sinha, A.K. ed., Geoinformatics: Data to Knowledge: Geological Society of America Special Paper 397, 73-80. (pdf file)
Gibbs, G.V., Cox, D.F., Crawford, T.D., Rosso, K.M., Ross, N.L., and Downs, R.T. (2006) Classification of metal-oxide bonded interactions based on local potential- and kinetic-energy densities. The Journal of Chemical Physics 124, 084704. (pdf file)
Liermann, H.P., Downs, R.T., and Yang H. (2006) Site disorder revealed through Raman spectra from oriented single crystals: A case study on karooite (MgTi₂O₅) American Mineralogists 91, 790-793. (pdf file)
Bindi, L., Downs, R.T., Harlow G.E., Safonov, O.G., Litvin, Y.A., Perchuk, L.L., Uchida, H., and Menchetti, S. (2006) Compressibility of synthetic potassium-rich clinopyroxene: In-situ high-pressure single-crystal X-ray study. American Mineralogists 91, 802-808. (pdf file)
Wajima, T., Haga, M., Kuzawa, K., Ishimoto, H., Tamada, O., Ito, K., Nishiyama, T., Downs, R.T., and Rakovan, J.F. (2006) Zeolite synthesis from paper sludge ash at low temperature (90 °C) with addition of diatomite. Journal of Hazardous Materials B132, 244-252. (pdf file)
Fritz E A, Origlieri M J, and Downs R T (2006) Triploidite from China. Gems and Gemology 42, 183-184. (pdf file)
Schmidt G R, Reynard J, Yang H, Downs R T (2006) Tychite, Na₆Mg₂(SO₄)(CO₃)₄: Structure analysis and Raman spectroscopic data. Acta Crystallographica E62, 207-209. (pdf file)
Downs R T, Singh A K (2006) Analysis of deviatoric stress from nonhydrostatic pressure on a single crystal in a diamond anvil cell: The case of monoclinic aegirine, NaFeSi₂O₆. Journal of Physics and Chemistry of Solids 67, 1995-2000. (pdf file)
Righter K, Sutton S R, Newville M, Le L, Schwandt C S, Uchida H, Lavina B, Downs R T (2006) An experimental study of the oxidation state of vanadium in spinel and basaltic melt with implication for the origin of planetary basalt. American Mineralogist 91, 1643-1656. (pdf file)
Yang H, Manoun B, Downs R T, Ganguly A, Barsoum M W (2006) Crystal chemistry of layered carbide, Ti₃(Si_0.43Ge_0.57)C₂. Journal of Physics and Chemistry of Solids 67, 2512-2516. (pdf file)
Manoun B, Downs R T, and Saxena S K (2006) A high-pressure Raman spectroscopic study of hafnon, HfSiO₄. American Mineralogist 91, 1888-1892. (pdf file)
Yang H, Lu R, Downs R T, Costin G (2006) Goethite, α–FeO(OH), from single-crystal data. Acta Crystallographica E62, i250-i252. (pdf file)
Ikuta D, Kawame N, Banno S, Hirajima T, Ito K, Rakovan J F, Downs R T, Tamada O (2007) First in situ X-ray diffraction identification of coesite and retrograde quartz on a glass thin section of an ultrahigh-pressure metamorphic rock and their crystal structure details. American Mineralogist 92, 57-63. (pdf file)
Yang H, Downs R T (2007) Synthesis and crystal structure of Li_0.52Mg_0.96Sc_0.52Si₂O₆ orthopyroxene. American Mineralogist 92, 225-228. (pdf file)
Origlieri M J, Laetsch T A, Downs R T (2007) A note on the paragenesis of ottensite. The Mineralogical Record 38, 83-84 (pdf file)
Uchida H, Downs R T, Thompson R M (2007) Reinvestigation of eakerite, Ca₂SnAl₂Si₆O₁₈(OH)₂*2H₂O: H-atom positions by single-crystal X-ray diffraction and correlation with Raman spectroscopic data. Acta Crystallographica E63, i47-i49 (pdf file)
Yang H, Costin G, Keogh J, Lu R, Downs R T (2007) Cobaltaustinite, CaCo(AsO₄)(OH). Acta Crystallographica E63, i53-i55 (pdf file)
Gibbs G V, Cox D F, Rosso K M, Ross N L, Downs R T, Spackman M A (2007) Theoretical electron density distributions for Fe- and Cu-sulfide Earth materials: A connection between bond length, bond critical point properties, local energy densities, and bonded interactions. Journal of Physical Chemistry B 111, 1923-1931 (pdf file)
Burt J B, Downs R T, Costin G (2007) Single-crystal X-ray refinement of wilkinsonite, Na₂Fe²⁺₄Fe³⁺₂Si₆O₂₀. Acta Crystallographica E63, i122-i124 (pdf file)
Uchida H, Righter K, Lavina B, Nowell M M, Wright S I, Downs R T, Yang H (2007) Investigation of synthetic Mg_1.3V_1.7O₄ spinel with MgO inclusions: Case study of a spinel with an apparently occupied interstitial site. American Mineralogist 92, 1031-1037 (pdf file)
Yang H, Hubler D K, Lavina B, Downs R T, Costin G (2007) Tyrrellite, Cu(Co_0.68Ni_0.32)₂Se₄, isostructural with spinel. Acta Crystallographica C63, i73-i74 (pdf file)
Yang H, Zwick J, Downs R T, Costin G (2007) Isokite, CaMg(PO₄)F_0.8(OH)_0.2, isomorphous with titanite. Acta Crystallographica C63, i89-i90 (pdf file)
Yang H, Li C, Jenkins R A, Downs R T, Costin G (2007) Kolbeckite, ScPO₄·2H₂O, isomorphous with metavariscite. Acta Crystallographica C63, i91-i92 (pdf file)
Tenner T J, Lange R A, Downs R T (2007) The albite fusion curve re-examined: New experiments and the high-pressure density and compressibility of high albite and NaAlSi₃O₈ liquid. American Mineralogist 92, 1573-1585 (pdf file)
Tait K T, Trouw F, Zhao Y, Brown C M, Downs R T (2007) Inelastic neutron scattering study of hydrogen in d₈-THF/D₂O ice clathrate. The Journal of Chemical Physics 127, 134505 (pdf file)
Fritz E A, Laurs B M, Downs R T, Costin G (2007) Yellowish green diopside and tremolite from Merelani, Tanzania. Gems & Gemology 43, 146-148 (pdf file)
Yang H, Sano J L, Eichler C, Downs R T, Costin G (2007) Iranite, CuPb₁₀(CrO₄)₆(SiO₄)₂(OH)₂, isomorphous with hemihedrite. Acta Crystallographica C63, i122-i124 (pdf file)
Yang H, Downs R T, Costin G, Eichler C M (2007) The crystal structure of tvalchrelidzeite, Hg₃SbAsS₃, and a revision of its chemical formula. The Canadian Mineralogist 45, 1529-1533 (pdf file)
Thompson R M, Downs R T (2008) The crystal structure of diopside at pressure to 10 GPa. American Mineralogist 93, 177-186 (pdf file)
McCarthy A C, Downs R T, Thompson R M (2008) Compressibility trends of the clinopyroxenes, and in-situ high-pressure single-crystal X-ray diffraction study of jadeite. American Mineralogist 93, 198-209 (pdf file)
Gibbs G V, Downs R T, Cox D F, Ross N L, Prewitt C T, Rosso K M, Lippmann T, Kirfel A (2008) Bonded interactions and the crystal chemistry of minerals: a review. Zeitschrift fur Kristallographie 223, 1-40 (pdf file)
Yang H, Dembowski R F, Conrad P G, Downs R T (2008) Crystal structure and Raman spectrum of hydroxyl-bastnasite-(Ce), CeCO₃(OH). American Mineralogist 93, 698-701 (pdf file)
Gibbs G V, Downs R T, Cox D F, Ross N L, Boisen M B, Rosso K M (2008) Shared and closed-shell O-O interactions in silicates. Journal of Physical Chemistry A 112, 3693-3699 (pdf file)
Dera P, Lavina B, Borkowski L A, Prakapenka V B, Sutton S R, Rivers M L, Downs R T, Boctor N Z, Prewitt C T (2008) High-pressure polymorphism of Fe₂P and its implications for meteorites and Earth's core. Geophysical Research Letters 35, L10301 (pdf file)
Nestola F, Boffa Ballaran T, Liebske C, Thompson R, Downs R T (2008) The effect of the hedenbergitic substitution on the compressibility of jadeite. American Mineralogist 93, 1005-1013 (pdf file)
Yang H, Downs R T (2008) Crystal structure of glaucodot, (Co,Fe)AsS, and its relationships to marcasite and arsenopyrite. American Mineralogist 93, 1183-1186 (pdf file)
Wang Z, Zhao Y, Zha C S, Xue Q, Downs R T, Duan R G, Caracas R, Liao X (2008) X-ray induced synthesis of 8H diamond. Advanced Materials 20, 3303-3307 (pdf file)
Henderson R R, Yang H, Downs R T, Jenkins R A (2008) Redetermination of conichalcite, CaCu(AsO₄)(OH). Acta Crystallographica E64, i53-i54 (pdf file)
Pommier C J S, Redhammer G J, Denton M B, Downs R T (2008) Raman spectroscopic and visible absorption investigation of LiCrSi₂O₆ pyroxene under pressure. Applied Spectroscopy 62, 766-772 (pdf file)
Li C, Yang H, Downs R T (2008) Redetermination of olivenite from an untwinned single-crystal. Acta Crystallographica E64, i60-i61 (pdf file)
Yang H, Downs R T, Eichler C (2008) Safflorite, (Co,Ni,Fe)As₂, isomorphous with marcasite. Acta Crystallographica E64, i62-i62 (pdf file)
Gibbs G V, Downs R T, Cox D F, Rosso K M, Ross N L, Kirfel A, Lippmann T, Morgenroth W, Crawford T D (2008) Experimental bond critical point and local energy density properties determined for Mn-O, Fe-O, and Co-O bonded interactions for tephroite, Mn2SiO4, fayalite, Fe2SiO4, and Co2SiO4 olivine and selected organic metal complexes: Comparison with properties calculated for non-transition and transition metal M-O bonded interactions for silicates and oxides. Journal of Physical Chemistry A 112, 8811-8823 (pdf file)
Hazen R M, Papineau D, Bleeker W, Downs R T, Ferry J M, McCoy T J, Sverjensky D A, Yang H (2008) Mineral evolution. American Mineralogist 93, 1693-1720 (pdf file)
McCarthy A C, Downs R T, Thompson R M, Redhammer G J (2008) In situ high-pressure single-crystal X-ray study of aegirine, NaFe³⁺Si₂O₆, and the role of M1 size in clinopyroxene compressibility. American Mineralogist 93, 1829-1837 (pdf file)
Righter K, Yang H, Costin G, Downs R T (2008) Oxygen fugacity in the Martian mantle controlled by carbon: New constraints from the nakhlite MIL 03346 Meteoritics & Planetary Science 43, 1709-1723 (pdf file)
Gibbs G V, Wallace A F, Cox D F, Dove P M, Downs R T, Ross N L, Rosso K M (2009) Role of directed van der Waals bonded interactions in the determination of the structures of molecular arsenate solids Journal of Physical Chemistry A 113, 736-749. (pdf file)
Aydin F, Thompson R M, Karsli O, Uchida H, Burt J B, Downs R T (2009) C2/c pyroxene phenocrysts from three potassic series in the Neogene alkaline volcanics, NE Turkey: their crystal chemistry with petrogenetic significance as an indicator of P-T conditions Contributions to Mineralogy and Petrology 157, online first (pdf file)
Dera P, Lavina B, Borkowski L A, Prakapenka V B, Sutton S R, Rivers M L, Downs R T, Boctor N Z, Prewitt C T (2009) Structure and behavior of the barringerite Ni end-member, Ni2P, at deep Earth conditions and implications for natural Fe-Ni phosphides in planetary cores. Journal of Geophysical Research 114, B03201 (pdf file)
Yang H, Konzett J, Downs R T, Frost D J (2009) Crystal structure and Raman spectrum of a high-pressure Li-rich majoritic garnet, (Li₂Mg)Si₂(SiO₄)₃, American Mineralogist 94, 630-633 (pdf file)
Lavina B, Cesare B, Alvarez-Valero A M, Uchida H, Downs R T, Koneva A, Dera P (2009) Closure temperature of intracrystalline ordering in anatectic and metamorphic hercynite, Fe²⁺Al₂O₄, American Mineralogist 94, 657-665 (pdf file)
Grazulis S, Chateigner D, Downs R T, Yokochi A F T, Quiros M, Lutterotti L, Manakova E, Butkus J, Moeck P, Le Bail A (2009) Crystallography open database - an open-access collection of crystal structures Journal of Applied Crystallography 42, 726-729 (pdf file)
Origlieri M, Downs R T, Pinch W W, Zito G L (2009) Stibioclaudetite, a new mineral from Tsumeb, Namibia, The Mineralogical Record 40, 209-213 (pdf file)
Yang H, Konzett J, Frost D J, Downs R T (2009) X-ray diffraction and Raman spectroscopic study of clinopyroxenes with six-coordinated Si in the Na(Mg_0.5Si_0,5)Si₂O₆ - NaAlSi₂O₆ system, American Mineralogist 94, 942-949 (pdf file)
Gibbs G V, Wallace A F, Cox D F, Downs R T, Ross N L, Rosso K M (2009) Bonded interactions in silica polymorphs, silicates, and siloxane molecules. American Mineralogist 94, 1085-1102 (pdf file)
Yang H, Konzett J, Downs R T (2009) Crystal structure and compressibility of a high-pressure Ti-rich oxide, (Ti_0.50Zr_0.26Mg_0.14Cr_0.10)O_1.81, isomorphous with cubic zirconia. Journal of Physics and Chemistry of Solids 70, 1297-1301 (pdf file)
Lowry S, Wieboldt D, Dalrymple D, Jasinevicius R, Downs R T (2009) The use of a Raman spectral database of minerals for the rapid verification of semiprecious gemstones. Spectroscopy 24(5), 1-6; http://spectroscopyonline.com (pdf file)
Yang H, Pinch W W, Downs R T (2009) Crystal structure of argentopyrite, AgFe₂S₃, and its relationship with cubanite. American Mineralogist 94, 1727-1730 (pdf file)

Books:

G.V. Gibbs, M.B. Boisen, Jr., R.T. Downs and K.L Bartelmehs (1991) X-ray Crystallography and Powder Diffraction Methods with Computer Applications. Virginia Tech Press, Blacksburg, Virginia.
Hazen, R.M., and Downs, R.T. (2000) High-Temperature and High-Pressure Crystal Chemistry, Reviews in Mineralogy and Geochemistry, Volume 41. Robert M. Hazen and Robert T. Downs, Editors. Mineralogical Society of America, Washington DC.

Funding:

Capitalization, University of Arizona, (1996) $240,000.
A device to apply hydrostatic high-pressure to crystals (1999-2001) Faculty Small Grants Program, University of Arizona Foundation, $5000.
Compression mechanisms of upper mantle minerals (1999-2002) National Science Foundation, grant No. EAR-9903104, $186,997.
Advancing Computational and Visualization Skills in Geosciences (2000-2002) National Science Foundation, $52,148. Joint, with M. Hall-Wallace (P.I.), R. F. Butler, P. Kresan, J. Pelletier.
Compression mechanisms of upper mantle minerals, Research Experience for Undergraduates (2000-2002) National Science Foundation, $12,500.
The crystal structure database and analysis tools project (2001-2004) National Science Foundation, $350,000.
University of Nevada, Las Vegas subcontract - Development of Windows-based single-crystal diffractometer software (2002) Department of Energy, $34,815.
University of Nevada at Las Vegas subcontract (2002-2003) Development of Windows-based single crystal diffractometer software for Argonne National Labs' Advance Photon Source, Department of Energy, $108,669.
A high performance Raman spectroscopy system for Mars surface studies. (2003-2005) Co-PI: B. McIntosh (Hamilton Sundstrand Sensor Systems), M.B. Denton (U of Arizona), R.T. Downs (UofA) and W. Doyle (Axiom Analytical, Inc.) NASA, $1,491,770.
Clathrate Hydrates Science and Technology. (2003-2005) PI: Yusheng Zhao (Los Alamos) Co-PI: D.L. Bish, L.L. Daemen, A. Migliori, R.P. Currier, L.R. Pratt, P.C. Lichtner, D.D. Hickmott. Collaborators: H-K Mao, R. Hemley, J. Parise, R.T. Downs. Department of Energy $4,350,000.
Combination of private funding and matching funds from the College of Science for a new Bruker X8Apex single-crystal diffractometer and a Bruker D8 Advance powder diffractometer plus laboratory renovations, $450,000.
Development of six new approaches for micro-focus single-crystal X-ray diffraction for materials structure research at synchrotrons. (2005-2009). National Science Foundation, $672,450. PIs: M F Nicol, M B Denton, P Dera, R T Downs, M L Rivers.
The RRUFF project: An integrated database of Raman and IR spectra, X-ray diffraction and chemistry data for minerals. (2004-2008) Private funding. $3.75M. PIs: R T Downs, M B Denton, G R Rossman.
Collaborative Proposal: A Study of Experimental and Theoretical Electron Density Distribution and Bonded Interactions for Sulfide Minerals (2006-2009). National Science Foundation EAR-0609906, $224,000. Joint with Charles T. Prewitt, Collaborative with Gibbs, Ross and Angel at Virginia Tech
The American Mineralogist Crystal Structure Database (2006-2009) National Science Foundation EAR-0622371. $399,308.
Fundamental diamond research. (2007-2008) Israel Diamond Institute: International Gemological Laboratory Ltd. $50,000.
Raman signatures and native fluorescence emissions of minerals: Systematic characterization of planetary surface materials. (2007-2008) Strategic University Research Partnership (SURP), Jet Propulsion Laboratory, NASA $100,000. PIs: P G Conrad, R T Downs, H Yang, L S Powers
Hybrid powder-single crystal X-ray diffraction instrument for planetary mineralogical analysis of unprepared samples. (2008) NASA SBIR Phase 1, $100,000. PIs: P Sarrazin, W Bruner, P C Dera, R T Downs
Hydrogen environments in minerals (2008-2010) Carnegie/DOE Alliance Center (CDAC) $87,000
Hybrid powder/single-crystal X-ray diffraction instrument for planetary mineralogical analysis of unprepared samples. (2009-2012) NASA ASTID-2008, $768,717. PI: P Sarrazin, co-Is: R T Downs, D Bish, D Blake, P Dera

Press Release:

Jan 24, 2001, Arizona Star Press Release
Jan 29, 2001, Arizona Star UA's Raman spectrometer is the last word on mineral ID
Oct 2, 2002, Arizona Star UA scientists developing Star Trek-like device
Oct 3, 2002, Arizona Star UA tool peeks inside rocks
Oct 4, 2002, Spectroscopy Now U Arizona Tool To Peek Inside Martian Rocks - Star Trek Style!
Aug 20, 2004, Science, NetWatch - Crystal Palace.
Sept 16, 2004, Nature, Research Highlights: Nanotubes get hard under pressure.
Sept 2004, Nanotechnology: Nanotubes harden up under pressure.
Dec 2005, Nature Materials, News and Views: Optimizing properties by tuning morphology.
Feb 2006, Elements 2 (2006) 60-61. International Mineralogical Association Society News.
March 4, 2006, Australian Broadcasting Corporation, The Science Show with Robyn Williams (mp3 file)
March 10, 2006, Physorg.com Identifying gems and minerals on Earth and on Mars
March 13, 2006, Information Technology Week, Star Trek tricorder ready for beam up
March 13, 2006, WebProNews.com, Brain typing and super-smart lasers
March 16, 2006, Astrobiology Magazine, Tricorder going to Mars
March 18, 2006, Science Daily, Identifying Gems And Minerals On Earth And On Mars
April 17, 2006, Arizona Star, UA mineral-ID device bound for space
Nov 14, 2008, Nature News, Microbes drove Earth's mineral evolution
Nov 14, 2008, Astrobiology Magazine, Earth's Mineral Evolution
Nov 27, 2008, Nature, Rosing M T (2008) On the evolution of minerals, Nature 456, 456-458
Jan 9, 2009, Science Perspectives, Vasconcelos C, McKenzie J A (2009) The descent of minerals, Science 323, 218-219

Last updated: Mar 17, 2008 Return to pages of the Mineralogy and Crystallography Group
in the Geosciences Department of the University of Arizona

CURRICULUM VITAE Robert Terrance Downs

CURRICULUM VITAE
Robert Terrance Downs