Dr. Sean Shieh

Mineral Physics

Sean Shieh

Professor
Ph.D. University of Hawaii, 1998
Office: BGS 1066
Lab: BGS 0135
Phone: (519) 850-2467
Fax: (519) 661-3198
Email: sshieh@uwo.ca

Research Interests

Mineral physics; Material study under extreme P-T conditions; Elasticity, Structures and dynamics of the Earth's and planetary interiors; Characterization of materials (e.g. equation of state, phase transition, elasticity, strength, rheology) using synchrotron X-ray, Raman and IR spectroscopy; Exploration of novel and super-hard materials; Material-fluid interaction; high-pressure and high-temperature experiment using a diamond anvil cell.

Selected Publications

  • Xie, T.*, G.R. Osinski, S.R. Shieh, Raman study of shock features in plagioclase feldspar from the Mistastin Lake impact structure, Canada. Meteorit. Planet. Sci. 1-20, 2020.
  • Wang, C.-P.*, S.R. Shieh, A.C. Withers, X. Liu, D. Zhang, S.N. Tkachev, A.-E. Djirar,* T. Xie,* and J. D. Rumney,* Raman and X-ray diffraction study on pressure-induced phase transition of synthetic Mg2TiO4. Sci Rep 10, 6278, 2020.
  • Zhang, B.*, Y. Lin, D.E. Moser, J. Hao, S.R. Shieh, A. Bouvier, Imbrium Age for Zircons in Apollo 17 South Massif Poikilitic Breccia 73155. J. Geophys. Res. Planets 124, 2019.
  • Huang, E.-W., C.-M. Lin, J.-Y. Juang, Y.-J. Chang, Y.-W. Chang, C.-S. Wu, C.-W. Tsai, A.-C. Yeh, S.R. Shieh, C.-P. Wang*, Y.-C. Chuang, Y.-F. Liao, D. Zhang, T. Huang, T-N Lam, Y.-H. Chen, Deviatoric deformation kinetics in high entropy alloy under hydrostatic compression, J. Alloys Compounds 792, 116-121, 2019.
  • Li, Z., Y. Yin, J.S. Rumney*, S.R. Shieh, J. Xu, D. Fan, W. Liang, S. Yan, S. Zhai, High-pressure X-ray diffraction and Raman spectroscopy of Ca2FeAlO5 brownmillerite. High Pressure Res. 39, 92-105, 2019.
  • Loiselle, L., M.A. McCraig, M.D. Dyar, R. Leveille, S.R. Shieh, and G. Southam, A spectral comparison of jarosites using techniques relevant to the robotic exploration of biosignatures on Mars. Life 8(4), 61, 2018.
  • Jones, G.*, D. Moser, S.R. Shieh, A numerical model for twin nucleation in shocked zircon and comparison with natural samples, Geophys. Res. Lett. 45, 10298-10304, 2018.
  • Shi, W.*, H. Liu, Z. Dong, Z. Mi*, S.R. Shieh, X. Sun and X. Liu, High Pressure Study of Nitrogen Doped Carbon Nanotubes using Raman spectroscopy and synchrotron X-ray diffraction, Arab. J. Chem, 2018.
  • Zhang, B.*, S.R. Shieh, A.C. Withers, A. Bouvier, Raman Spectroscopy of Shocked Enstatite-Rich Meteorites, Meteorit. Planet. Sci. 2018.
  • Mi, Z.*, S.R. Shieh, A. Kavner, B. Kiefer, R.H. Wenk and T.S. Duffy, Strength and texture of Sodium Chloride to 56 GPa. J. Appl. Phys. 123, 135901, 2018.
  • Morozova, I.*, S.R. Shieh, D. Moser and J. Hanchar, Strength and texture of zircon under high pressure. Microstructural Geochronology, 2017.
  • Ablett, J.M., J.-P. Rueff, S.R. Shieh, C.C. Kao and S. Wang, Possible evidence for high-pressure induced charge transfer in thallium rhenium oxide at room temperature, Phys. Rev. B92, 014113, 2015.
  • Zhang J.S., S.R. Shieh, J.D. Bass, P. Dera and V. Prakapenka, High-pressure single-crystal elasticity study of CO2 across phase I-III transition, Appl. Phys. Lett. 104, 141901, 2014.
  • Shieh, S.R. I. Jarrige, M. Wu, N. Hiraoka, J.S. Tse, Z. Mi*, L. Kaci*, J.Z. Jiang and Y.Q. Cai, Electronic Structures of carbon dioxide under pressure and insights into the molecular to nonmolecular transition, Proc. Natl. Acad. Sci. USA 110, 18402-18406, 2013.
  • Dorfman, S.M., S.R. Shieh, Y. Meng, V.B. Prakapenka, and T.S. Duffy, Synthesis and equation of state of perovskite in the (Mg,Fe)3Al2Si3O12 system to 177 GPa, Earth Planet. Sci. Lett. 357 194-202, 2012.
  • Shieh, S.R., S.M. Dorfman, A. Kubo, V.B. Prakapenka, T.S. Duffy, Synthesis and Equation of State of Post-Perovskites in the (Mg,Fe)3Al2Si3O12 system, Earth Planet. Sci. Lett. 312, 422-428, 2011.

     

Courses 

  • Earth Sciences 2230: Introduction to Geochemistry
  • Earth Sciences 2240: Catastrophic Events in Earth history
  • Earth Sciences 4424: Advanced Mineral Physics
  • Geophysics 9507: Aspect of High Pressure Geophyics

Current Students

  • Tianqi Xie, PhD Geophysics Candidate (Co-Supervisor)
  • Ching Pao Wang, PhD Geophysics Candidate (Co-Supervisor)
  • Ricardo Rodriguez, PhD Geophysics Candidate
  • Abd-Erraouf Djirar, MSc Geophysics Candidate
  • Mauritz Van Zyl, MSc Geophysics Candidate

Future Students

If you are interested in Mineral Physics, synchrotron X-ray, Raman and IR, and materials study under extreme P-T conditions, please contact me (sshieh@uwo.ca). M.Sc. and Ph.D. students are welcome.