Senior Research Scientist Research scientist in Mineral Physics Institute, Stony Brook, NY, Aug. 2005- now Honorary research fellow at University College London, London, UK, Jan. 2005 – July, 2005 Post-doc at Universite des Sciences et Technologies de Lille, France, Jan. 2004 – Dec. 2004 Post-doc at Mineral Physics Institute, Stony Brook, May, 2003 – Dec.2003 Ph. D in Geophysics, Aug. 1998 – May, 2003 at State University of New York at Stony Brook M. S. in Computer Sciences, Sept. 1999- Dec., 2002 at State University of New York at Stony Brook (second major) M. S. Geophysics, Aug. 1995 – Aug. 1998 at University of Petroleum, Beijing, China B.S. Geophysics, Aug. 1991 – Aug. 1995 at Yangtze University, China Alvin Van Valkenburg Award, received at High Pressure Gordon Conference in Maine (2006) Physics of the Earth and Planetary Interiors Most cited Paper 2004-2007 Award, Recived at San Francisco, AGU (2007) for the paper entitled “Stress Measurement of deforming olivine at high pressure”, authored by L, Li, D. Weidner, P. Raterron, J. Chen, M. Vaughan, Volume 143, Issue 1-2(2004), Page 357-367. Office: Earth & Space Sciences 130 Office Phone: (631)-632-8338 FAX: (631) 632-8140 Email: lilli (at) notes (dot) cc (dot) sunysb (dot) edu

Research Interests

• Dynamic reponse of materials under cyclic loading at high P-T
• Rheology of minerals at High P-T
• Phase equilibrium and its implications to Earth structure
• Mechanism of deep earthquakes
• Effect of water on physical properites of minerals
• Theoretical computation on polycrystalline plastic deformation
• First principle simulation on the properties of minerals
• Elasticity
• TEM study of microstructure for minerals
• Computer vision, computer graphics, image-based rendering, physics-based modeling, image processing.

Publications

1. Weidner, D. and L. Li, Impact of Phase Transitions on P Wave Velocities, 2009. submitted.
2. Raterron, P., E. Amiguet, J. Chen, L. Li, and P. Cordier, Experimental Deformation of Olivine Single Crystals at Mantle Pressures and Temperatures. Physics of the Earth and Planetary Interior, 2009. 172(1-2): p. 74-83.
3. Long, H., D.J. Weidner, Li Li, J. Chen, and L. Wang, Deformation of Olivine at Subduction Zone Conditions Determined from In situ Measurements with Synchrotron Radiation. submitted, 2009.
4. Li, L., L. Wang, and M. Vaughan, An Exploratory Study of the Viscoelasticity of Phase-transforming Material. Physics of the Earth and Planetary Interior, 2009. 174: p. 174-180.
5. Li, L., D.J. Weidner, J. Brodholt, D. Alfè, and G.D. Price, Ab initio molecular dynamics study of elasticity of akimotoite MgSiO3 at mantle conditions. Physics of the Earth and Planetary Interior, 2009. 173(1-2): p. 115-120.
6. Li, L., J. Brodholt, and D. Alfè, Structure and elasticity of hydrous ringwoodite: a first principle investigation. Physics of the Earth and Planetary Interior, 2009. http://dx.doi.org/10.1016/j.pepi.2009.07.007
7. Li, L. Studies of mineral properties at mantle condition using Deformation multi-anvil apparatus. in Progress in Natural Science. 2009: Elsevier, in press.
8. Hunt, S., D. Weidner, L. Li, L. Wang, N. Walte, F. Heidelbach, J. Brodholt, P., and D. Dobson, P., Weakening of CaIrO3 during the perovskite-post perovskite transformation. in press, 2009.
9. Li, L. and D.J. Weidner, Effect of phase transitions on bulk dispersion and attenuation: implications for the Earth. Nature, 2008. 454: p. 984-986.
10. Li, L., L.W. Wang, and M.T. Vaughan, Elastic Softening of Peridotite Due to the Presence of Melt Phases at High Pressure Physics of the Earth and Planetary Interior, 2008. 170 (3-4): p. 176-180.
11. Li, L., L. Wang, and M. Vaughan, An Exploratory Study of the Viscoelasticity of Phase-transforming Material. Physics of the Earth and Planetary Interior, 2008. doi:10.1016/j.pepi.2008.09.001.
12. Dobson, D.P., S. Hunt, L. Li, and D. Weidner, Measurement of thermal diffusivity at high pressures and temperatures using synchrotron radiography. Mineralogical Magazine, 2008. 72(2): p. 539–544.
13. Weidner, D.J. and L. Li, Method for the study of high P/T deformation and rheology, in Treatise on Geophysics, G. Schubert, Editor. 2007, Elsevier: St. Louis, MO, USA. p. 339-358.
14. Raterron, P., J. Chen, L. Li, D. Weidner, and P. Cordier, Pressure-induced slip-system transition in forsterite: Single-crystal rheological properties at mantle pressure and temperature. American Mineralogist, 2007. 92: p. 1436-1445.
15. Li, L., R.M. Wentzcovitch, D.J. Weidner, and C.R.S.D. Silva, Vibrational and thermodynamic properties of forsterite at mantle conditions. Journal of Geophysical Research, 2007. 112: p. B05206, doi:10.1029/2006JB004546.
16. Li, L., D.J. Weidner, J. Brodholt, and G.D. Price, Ab initio study on the effect of cation-ordering and pressure on the elasticity of majorite and majorite-pyrope solid solution. Earth and Planetary Science Letters, 2007. 256: p. 28-35.
17. Li, L. and D.J. Weidner, Energy dissipation of materials at high pressure and high temperature Review of Scientific Instruments, 2007. 78(5): p. 053902.
18. Li, L., P. Carrez, and D.J. Weidner, Effect of cation ordering and pressure on spinel elasticity by ab initio simulation. American Mineralogist, 2007. 92: p. 174-178.
19. Li, L., A. Addad, D. Weidner, H. Long, and J. Chen, High pressure deformation in two-phase aggregates. Tectonophysics, 2007. 439(1-4): p. 107-117.
20. Weidner, D.J. and L. Li, Measurement of stress using synchrotron x-rays. Journal of Physics-Condensed Matter, 2006. 18(25): p. S1061-S1067.
21. Li, L., D.J. Weidner, J. Brodholt, D. Alfè, G.D. Price, R. Caracas, and R. Wentzcovitch, Phase stability of CaSiO3 perovskite at high pressure and temperature: insights from ab initio molecular dynamics. Phys Earth Planet Sci., 2006. 155(3-4): p. 260-268.
22. Li, L., D.J. Weidner, J. Brodholt, D. Alfè, G.D. Price, R. Caraca, and R. Wentzcovitch, Elasticity of CaSiO3 perovskite at high pressure and high temperature. Phys Earth Planet Sci., 2006. 155(3-4): p. 249-259.
23. Li, L., D.J. Weidner, J. Brodholt, D. Alfè, and G.D. Price, Elasticity of Mg2SiO4 ringwoodite at mantle conditions. Physics of the Earth and Planetary Interior, 2006. 157(3-4): p. 181-187.
24. Li, L., D. Weidner, P. Raterron, J. Chen, M. Vaughan, S. Mei, and W. Durham, Deformation of olivine at mantle pressure using D-DIA. European Journal of Mineralogy, 2006. 18: p. 7-19.
25. Li, L., H. Long, D.J. Weidner, and P. Raterron, Plastic flow of pyrope at mantle pressure and temperature. American Mineralogist, 2006. 91: p. 517-525.
26. Chen, J.H., L. Li, T. Yu, H.B. Long, D. Weidner, L.P. Wang, and M. Vaughan, Do Reuss and Voigt bounds really bound in high-pressure rheology experiments? Journal of Physics-Condensed Matter, 2006. 18(25): p. S1049-S1059.
27. Weidner, D., L. Li, W. Durham, and J. Chen, High-temperature plasticity measurements using sychrotron X-rays, in High-pressure technology for geophysical applications, J. Chen, et al., Editors. 2005, ELSEVIER Inc.: San diego. p. 123-136.
28. Raterron, P., D.J. Weidner, and L. Li, Rhéologie des matériaux en conditions extrêmes de pression et de température, in «Etude In situ en Cellules Gros Volume», Publication du 4ième Forum « Technologie des hautes pressions » 2005, CNRS/MRCT: Messigny, France.
29. Li, L., J.P. Brodholt, S. Stackhouse, D.J. Weidner, M. Alfredsson, and G.D. Price, Elasticity of (Mg, Fe)(Si, Al)O3-perovskite at high pressure. Earth and Planetary Science Letters, 2005. 240(2): p. 529-536.
30. Li, L., J.P. Brodholt, S. Stackhouse, D.J. Weidner, M. Alfredsson, and G.D. Price, Electronic Spin State of Ferric Iron in Al-bearing Perovskite in the Lower Mantle. Geophys. Res. Lett., 2005. 32: p. L17307, doi:10.1029/2005GL023045.
31. Weidner, D.J., L. Li, M. Davis, and J. Chen, Effect of Plasticity on Elastic Modulus Measurements. Geophysical Review Letter, 2004. 31(6): p. 19090.
32. Raterron, P., L. Li, J. Chen, P. Cordier, and D. Weidner, Activity of olivine slip systems at high pressure and temperature. Lithos, 2004. 73(1-2): p. S92-S92.
33. Raterron, P., J. Chen, L. Li, D.H. Weidner, and P. Cordier, Rheology of olivine at mantle pressures and temperatures. Geochimica Et Cosmochimica Acta, 2004. 68(11): p. A65-A65.
34. Li, L., D.J. Weidner, J. Chen, M.T. Vaughan, M. Davis, and W.B. Durham, X-ray strain analysis at high pressure: Effect of plastic deformation in MgO. Journal of Applied Physics, 2004. 95(12): p. 8357-8365.
35. Li, L., D. Weidner, P. Raterron, J. Chen, and M. Vaughan, Stress measurements of deforming olivine at high pressure. Physics of the Earth and Planetary Interior, 2004. 143-144: p. 357-367.
36. Chen, J., L. Li, D.J. Weidner, and M. Vaughan, Deformation Experiments using Synchrotron X-rays: In situ stress and strain measurements at high pressure and temperature. Physics of The Earth and Planetary Interiors, 2004. 143-144: p. 347-356.
37. Li, L., P. Raterron, D. Weidner, and J. Chen, Olivine Flow Mechanisms at 8 GPa. Physics of the Earth and Planetary Interior, 2003. 138(2): p. 113-129.
38. Li, L., Rheology of olivine at high temperature and high pressure. 2003: SUNY at Stony Brook, Stony Brook, NY, United States. 137.
39. Weidner, D.J., J. Chen, Y. Xu, Y. Wu, M.T. Vaughan, and L. Li, Subduction zone rheology. Physics of The Earth and Planetary Interiors, 2001. 127(1-4): p. 67-81.
40. Vaughan, M., J. Chen, L. Li, D. Weidner, and B. Li. Use of X-ray imaging techniques at high-pressure and temperature for strain measurements. in AIRAPT-17. 2000: Universities Press, Hyderabad, India.