Publications

60.Jiang, F., S. Speziale, and T. S. Duffy, Single-crystal elasticity of grossular- and almandine-rich garnets to 11 GPa, Journal of Geophysical Research,  submitted, 2004.

58. Shim, S.-H., T. S. Duffy, R. Jeanloz, C.-S. Yoo, and V. Iota, Raman spectroscopy and x-ray diffraction of phase transitions in Cr2O3 to 61 GPa, Physical Review B, in press, 2004.

57. Jiang, F., S. Speziale, S. R. Shieh, and T. S. Duffy, Single-crystal elasticity of andradite garnet to 11 GPa, Journal of Physics Condensed Matter, in press, 2004.

56. Shieh, S. R., T. S. Duffy, and G. Shen, Elasticity and strength of calcium silicate perovskite at lower mantle pressures, Physics of the Earth and Planetary Interiors, in press, 2004.

55.Yin, H. Z., R. Huang, K. D. Hobart, J. Liang, Z. Suo, S. R. Shieh, T. S. Duffy, F. J. Kub, and J. C. Sturm, Buckling suppresion of SiGe islands on compliant substrates, Journal of Applied Physics, 94, 6875-6882, 2003.
54.Speziale, S., F. Jiang, C. L. Caylor, S. Kriminski, C.-S. Zha, R. E. Thorne, and T. S. Duffy, Sound velocity and elasticity of tetragonal lysozyme crystals by Brillouin spectroscopy, Biophysical Journal, 85, 3202-3213, 2003.

53. Kavner, A., and T. S. Duffy, Elasticity and rheology of platinum under high pressure and non-hydrostatic stress, Physical Review B, 68, 144101, 2003.

52.Yin, H., K. D. Hobart, F. J. Kub, S. R. Shieh, T. S. Duffy, and J. C. Sturm, Strain partition of Si/SiGe and SiO2/SiGe on compliant substrates, Applied Physics Letters, 82, 3853-3855, 2003.

51. Shim, S.-H., R. Jeanloz, and T. S. Duffy,Tetragonal structure of CaSiO3 perovskite above 20 GPa, Geophysical Research Letters, 10.1029/2002GL016148, 2002.

50.Shieh, S. R., T. S. Duffy, and B. Li, Strength and Elasticity of SiO2 across the stishovite - CaCl-type structural phase boundary, Physical Review Letters, 89, 25507, 2002.

49.Shieh, S. R., and T. S. Duffy, Raman spectroscopy of Co(OH)2 to 30 GPa:Implications for amorphization and structural frustration, Physical Review B, 66, 134301, 2002.

48.Shim, S.-H., T. S. Duffy, and K. Takemura, Equation of state of gold and its application to phase boundaries near 660-km depth in Earth's mantle, Earth and Planetary Science Letters, 203, 729-739, 2002.

47.Speziale, S., and T. S. Duffy, Single-crystal elastic constants of fluorite (CaF2) to 9.3 GPa, Physics and Chemistry of Minerals, 29, 465-472, 2002.

46.Yin, H., R. Huang, K. D. Hobart, Z. Suo, T. S. Kuan, C. K. Inoki, S. R. Shieh, T. S. Duffy, F. J. Kub, and J. C. Sturm, Strain relaxation of SiGe islands on compliant oxide, Journal of Applied Physics, 92, 9716-9722, 2002.
45.Bo, X.-Z., N. Yao, S. R. Shieh, T. S. Duffy, S. Wagner, and J. C. Sturm, Large-grain polycrystalline silicon films with low intragranular defect density by low-temperature solid-phase crystallization without underlying oxide, J. Appl. Phys., 91, 2910-2915, 2002.

44.Shim, S.-H. and T. S. Duffy, Raman spectroscopy of Fe2O3 to 62 GPa, American Mineralogist, 87, 318-326, 2002.

43.Shim, S.-H., G. Shen, and T. S. Duffy,Stability and structure of MgSiO3 perovskite to 2300-km depth in the mantle, Science, 293, 2437-2440, 2001.

42.Shim, S.-H., T. S. Duffy, and G. Shen,The post-spinel transformation in Mg2SiO4 and its relation to the 660-km seismic discontinuity, Nature, 411, 571-574, 2001. [Supplementary Information]
41.Kavner, A., and T. S. Duffy, Elasticity and strength of a natural ringwoodite at pressures of the Earthâ€ús transition zone, Geophysical Research Letters, 28, 2691-2694, 2001.

40. Kavner, A., and T. S. Duffy, Pressure-volume-temperature paths in the laser-heated diamond anvil cell, Journal of Applied Physics, 89, 1907-1914, 2001.

39.Kavner, A., T. S. Duffy, and G. Shen, Phase stability and density of FeS at high pressures and temperatures: Implications for the interior structure of Mars, Earth and Planetary Science Letters, 185, 25-33, 2001.
38.Speziale, S., C. S. Zha, T. S. Duffy, R. J. Hemley, and H. K. Mao, Quasi-hydrostatic compression of magnesium oxide to 52 GPa: Implications for the pressure-volume-temperature equation of state, Journal of Geophysical Research, 106, 515-528, 2001.

37.Shim, S.-H., T. S. Duffy, and G. Shen, The stability and pressure-volume-temperature equation of state for CaSiO3 perovskite in the Earthâ€ús lower mantle, Journal of Geophysical Research, 105, 25,955-25,968, 2000.

36.Shim, S.-H., T. S. Duffy, and G. Shen, The structure and equation of state of CaSiO3 perovskite at lower mantle pressures and 300 K,Physics of the Earth and Planetary Interiors, 120, 327-338, 2000.

35.Shim, S.-H. and T. S. Duffy, Constraints on the pressure-volume-temperature equation of state of silicate perovskite, American Mineralogist, 85, 354-363, 2000.

34.Duffy, T. S., G. Shen, D. L. Heinz, J. Shu, Y. Ma, R. J. Hemley and H. K. Mao, Lattice strains in gold and rhenium to 37 GPa, Physical Review B, 60, 15063-15073, 1999.

33.Duffy, T. S., G. Shen, J. Shu, R. J. Hemley, and H. K. Mao, Elasticity, strength, and equation of state of gold and molybdenum under non-hydrostatic compression to 25 GPa, Journal of Applied Physics, 86, 6737-6745, 1999.

32.Duffy, T. S. and Y. Wang, Pressure-volume-temperature equations of state, in Ultrahigh Pressure Mineralogy, edited by R. J. Hemley, Reviews in Mineralogy, vol. 37, 425-458, 1998.

31.Zha, C. S., T. S. Duffy, R. T. Downs, H. K. Mao, and R. J. Hemley, Brillouin scattering and X-ray diffraction of San Carlos olivine: Direct pressure determination to 32 GPa, Earth and Planetary Science Letters, 159, 25-34, 1998.

30.Shen, G., H. K. Mao, R. J. Hemley, T. S. Duffy, and M. L. Rivers,Melting and crystal structure of iron at high pressure and temperature, Geophysical Research Letters, 25, 373-376, 1998.

29.Mao, H. K., G. Shen, R. J. Hemley, and T. S. Duffy, X-ray diffraction with a double hot-plate laser-heated diamond cell, in High-Pressure Temperature Research: Properties of Earth and Planetary Materials, edited by M. H. Manghnani and T. Yagi, AGU, Washington, DC, 27-34, 1998.

28.Rivers, M. L, T. S. Duffy, Y. Wang, P. J. Eng, S. R. Sutton, and G. Shen, A new high-pressure research facility at the Advanced Photon Source, in High-Pressure Temperature Research: Properties of Earth and Planetary Materials, edited by M. H. Manghnani and T. Yagi, AGU, Washington, DC, 79-88, 1998.

27.Zha, C. S., T. S. Duffy, H. K. Mao, and R. J. Hemley, Elasticity of the a- andb-polymorphs of Mg2SiO4 at high pressure, in High-Pressure Temperature Research: Properties of Earth and Planetary Materials, edited by M. H. Manghnani and T. Yagi, AGU, Washington, DC, 9-16, 1998.

26.Duffy, T. S. and T. J. Ahrens, Dynamic compression of an Fe-Cr-Ni alloy to 80 GPa, Journal of Applied Physics, 82, 4259-4269, 1997.

25.Zha, C. S., T. S. Duffy, H. K. Mao, R. T. Downs, R. J. Hemley, and D. J. Weidner, Single-crystal elasticity of b - Mg2SiO4 to the pressure of the 410-km seismic discontinuity in the Earthâ€ús mantle, Earth and Planetary Science Letters, 147, E9-E15, 1997.

24.Zha, C. S., Duffy, T. S., R. T. Downs, H. K. Mao, and R. J. Hemley, Sound velocity and elasticity of single-crystal forsterite to 16 GPa, Journal of Geophysical Research, 101, 17,535-17,546, 1996.

23.Downs, R. T., C. S. Zha, T. S. Duffy, and L. W. Finger, Equation of state of forsterite to 17.2 GPa and the effects of pressure media, American Mineralogist, 81, 51-55, 1996.

22.Duffy, T. S., C. S. Zha, R. T. Downs, H. K. Mao, and R. J. Hemley, Elasticity of forsterite to 16 GPa and the composition of the upper mantle, Nature, 378, 170-173, 1995.

21.Duffy, T. S., J. Shu, H. K. Mao, and R. J. Hemley, Single-crystal x-ray diffraction of brucite to 14 GPa, Physics and Chemistry of Minerals, 22, 277-281, 1995.

20.Hemley, R. J., H. K. Mao, T. S. Duffy, J. H. Eggert, A. F. Goncharev, M. Hanfland, M. Li, M. Somayazulu, W. L. Vos, and C. S. Zha, Dense hydrogen in the outer solar system: Implications from recent high-pressure experiments, in Volatiles in the Earth and Solar System, edited by K. A. Farley, American Institute of Physics, New York, NY, 250-260, 1995.

19.Duffy, T. S., R. J. Hemley, and H. K. Mao, Structure and bonding in hydrous minerals at high pressure: Raman spectroscopy of alkaline earth hydroxides, in Volatiles in the Earth and Solar System, edited by K. A. Farley, American Institute of Physics, New York, NY, 211-220, 1995.

18.Duffy, T. S. and R. J. Hemley, Some like it hot: The temperature structure of the earth, Reviews of Geophysics, 33, supplement, part 1, 5-10, 1995.

17.Duffy, T. S., C. Meade, Y. Fei, H. K. Mao, and R. J. Hemley, A high-pressure phase transition in brucite Mg(OH)2, American Mineralogist, 80, 222-230, 1995.

16.Duffy, T. S., R. J. Hemley, and H. K. Mao, Equation of state and shear strength of magnesium oxide to 227 GPa, Physical Review Letters, 74, 1371-1374, 1995.

15.Sekine, T., T. S. Duffy, A. M. Rubin, W. W. Anderson, and T. J. Ahrens, Shock compression and isentropic release of granite, Geophysical Journal International, 20, 247-261, 1995.

14.Duffy, T. S. and T. J. Ahrens, Compressional sound velocity, equation of state, and constitutive response of shockâ€ãcompressed magnesium oxide, Journal of Geophysical Research, 100, 529-542, 1995.

13.Zha, C. S., R. J. Hemley, H. K. Mao, T. S. Duffy, and C. Meade, Acoustic velocities and refractive index of SiO2 glass to 57.5 GPa by Brillouin scattering, Physical Review B, 50, 13,105-13,112, 1994.

12.Duffy, T. S. and T. J. Ahrens, Dynamic response of molybdenum shock compressed at 1400°C, Journal of Applied Physics, 76, 835-842, 1994.

11.Duffy, T. S., W. L. Vos, C. S. Zha, R. J. Hemley, and H. K. Mao, Sound velocities in dense hydrogen and the interior of Jupiter, Science, 263, 1590-1593, 1994.

10.Duffy, T. S. and T. J. Ahrens, The temperature sensitivity of elastic wave velocity at high pressure: New results for molybdenum, Geophysical Research Letters, 21, 473-476, 1994.

9.Zha, C. S., T. S. Duffy, H. K. Mao, and R. J. Hemley, Elasticity of hydrogen to 24 GPa from single-crystal Brillouin scattering and synchrotron x-ray diffraction, Physical Review B, 48, 9246-9255, 1993.

8.Duffy, T. S. and T. J. Ahrens, Thermal expansion of mantle and core materials at very high pressure and temperature, Geophysical Research Letters, 20, 1103-1106, 1993.

7.Duffy, T. S. and T. J. Ahrens, Lateral variation in lower mantle seismic velocities, in High-Pressure Research in Mineral Physics: Applications to Earth and Planetary Sciences, edited by Y. Syono and M. H. Manghnani, Terra Scientific, Tokyo, 197-206, 1992.

6.Duffy, T. S. and T. J. Ahrens, Hugoniot sound velocities in metals with applications to the Earth's inner core, in High-Pressure Research in Mineral Physics: Applications to Earth and Planetary Sciences, edited by Y. Syono and M. H. Manghnani, Terra Scientific, Tokyo, 353-362, 1992.

5.Duffy, T. S. and T. J. Ahrens, Sound velocities at high temperature and pressure and their geophysical implications, Journal of Geophysical Research, 97, 4503-4520, 1992.

4.Tyburczy, J. A., T. S. Duffy, T. J. Ahrens, and M. A. Lange, Shock wave equation of state of serpentine to 150 GPa: Implications for the occurrence of water in the Earth's lower mantle, Journal of Geophysical Research, 96, 18,011-18,028, 1991.

3.Duffy, T. S., T. J. Ahrens, and M. A. Lange, The shock wave equation of state of brucite Mg(OH)2, Journal of Geophysical Research, 96, 14,319-14,330, 1991.

2.Duffy, T. S. and D. L. Anderson, Seismic velocities in mantle minerals and the mineralogy of the upper mantle, Journal of Geophysical Research, 94, 1895-1912, 1989.

1.Duffy, T. S. and M. T. Vaughan, Elasticity of enstatite and its relationship to crystal structure, Journal of Geophysical Research, 93, 383-391, 1988.


 

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Last updated at 02/11/2000