High-Pressure Synchrotron X-ray and Neutron Diffraction
Drop Solution Calorimetry
Structure - Stability Relationships of Earth and Synthetic Materials at High P-T
Education
Ph.D., Geosciences
Princeton University
M.A., Geosciences
Princeton University
M.S., Mineralogy & Crystallography
Nanjing University
B.S., Mineralogy, Petrology & Geochemistry
Nanjing University
Positions
- Present | Senior Scientist
Awards
Chief Editor, American Mineralogist, 2019 - Present
Associate Editor, American Mineralogist, 2005-2018
Fellow, Mineralogical Society of America, 2012
Four LAAP Awards for Top 10 publishers in EES Division, 2015, 2016, 2017, 2018.
Professional Societies
Mineralogical Society of America
American Geophysical Union
Geological Society of America
Neutron Scattering Society of America
Publications
Migdisov, A., Guo, X., Nisbet, H., Xu, H., and Williams-Jones, A. (2019) Fractionation of REE, U, and Th in natural ore-forming hydrothermal systems: Thermodynamic modeling. The Journal of Chemical Thermodynamics, 128, 305-319.
Guo, X., White, J.T., Nelson, A.T., Migdisov, A., Roback, R., and Xu, H. (2018) Enthalpy of formation of U3Si2: A high-temperature drop calorimetry study. Journal of Nuclear Materials, 507, 44-49.
Migdisov, A., Xu, H., Williams-Jones, A.E., and Brugger, J. (2018) The REEs in Hydrothermal Systems (Invited Chapter). Encyclopedia of Water: Science, Technology, and Society, Wiley (in press).
Nisbet, H., Migdisov, A., Xu, H., Guo, X., Boukhalfa, H., Roback, R., van Hinsberg, V., and Williams-Jones, A. (2018) An experimental study of the solubility and speciation of thorium in chloride-bearing aqueous solutions at temperatures up to 250 °C. Geochimica et Cosmochimica Acta, 239, 363-373.
Chung, C.-K., Lang, M.K., Xu, H., and Navrotsky, A. (2018) Thermodynamics of radiation induced amorphization and thermal annealing of Dy2Sn2O7 Pyrochlore. Acta Materialia, 155, 386-392.
Xu, H. (2018) Crystalline Wasteform Phases for 137Cs and 90Sr: Structure and Stability (Invited Book Chapter). Used Nuclear Fuel and Waste Management, World Scientific Publishing, pp 239-279.
Timofeev, A., Migdisov, A.A., Williams-Jones, A.E., Roback, R., Nelson, A., and Xu, H. (2018) Uranium transport in acidic brines under reducing conditions. Nature Communications, 9, Article number 1469, doi:10.1038/s41467-018-03564-7.
Hjelm, R., Taylor, M., Frash, L., Hawley, M., Ding, M., Xu, H., Barker, J.G., Olds, D., Heath, J., and Dewers, T. (2018) Flow-through compression cell for small-angle and ultra-small-angle neutron scattering measurements. Review of Scientific Instruments. 89, 055115; doi: 10.1063/1.5022678.
Migdisov, A.A., Guo, X., Xu, H., Williams-Jones, A.E., Sun, C.J., Vasyukova, O., Sugiyama, I., Fuchs, S., Pearce, K., and Roback, R. (2017) Hydrocarbons as ore fluids. Geochemical Perspectives Letters, 5, 47-52.
Guo, X. and Xu, H. (2017) Enthalpies of formation of polyhalite: A mineral relevant to salt repository. Journal of Chemical Thermodynamics, 114, 44-47.
Xu, H., Lee, S., and Xu, H. (2017) Luogufengite: A new nano-mineral of Fe2O3 polymorph with giant coercive field. American Mineralogist, 102, 711-719.
Lü, X., Yang, W., Jia, Q., and Xu, H. (2017) Pressure-Induced Dramatic Changes in Organic–Inorganic Halide Perovskites. Chemical Science, 8, 6764-6776.
Li, G., Sun, H., Xu, H., Guo, X., and Wu, D. (2017) Probing the Energetics of Molecule – Material Interactions at Interfaces and in Nanopores. Journal of Physical Chemistry C, 121, 26141-26154.
Xu, H., Lee, S., Xu, H., Jacobs, R., and Morgan, D. (2017) New Mineral: Valleyite (IMA 2017- 026). Mineralogical Magazine, 81, 1033-1038.
Xu, H., Guo, X., and Bai, J. (2017) Thermal behavior of polyhalite: A high-temperature synchrotron XRD study. Physics and Chemistry of Minerals, 44, 125-135.