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Postdoc Positions on first-principles and Experi ... (No replies)
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Postdoc Positions on first-principles and Experimental Studies of Materials under High Pressure at Nanjing University
Keywords: high pressure, crystal structure predictions, DFT, AIMD, machine-learning, DACs, HP synchrotron XRD, Raman, electric transport measurements, materials design, superhard, superconductivity, superionic states, planetary science
Two postdoctoral positions are available in Prof. Jian Sun’s group at Nanjing University, China, one on experiment and one on theory:
https://physics.nju.edu.cn/sz/jcrc/hwgccqnrc/20210111/i185265.html
https://publons.com/researcher/2845232/jian-sun/
Position #1 will be focused on the experimental studies on the structural and electronic phase transitions of materials under high pressure, and the synthesis of functional materials, using high pressure synchrotron XRD, Raman, and electric transport measurements in DACs. Related work:
(1) N. P. Salke, et al., “Tungsten hexanitride with single-bonded armchair-like hexazine structure at high pressure”, Phys. Rev. Lett. 126, 065702 (2021).
https://doi.org/10.1103/PhysRevLett.126.065702
(2) Y. H. Zhou, et al., “Pressure-induced new topological Weyl Semimetal phase in TaAs”, Phys. Rev. Lett. 117, 146402 (2016).
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.117.146402
(3) Y.H. Zhou, et al., “Pressure-induced superconductivity in a three-dimensional topological material ZrTe5”, Proc. Natl. Acad. Sci. U.S.A. 113, 2904 (2016).
https://www.pnas.org/content/113/11/2904
Position #2 will be focused on the development and applications of crystal structure predictions combining with first-principles calculations and machine-learning, such as:
(4) Y. Wang et al., “Electronically driven 1D cooperative diffusion in a simple cubic crystal”, Phys. Rev. X 11, 011006 (2021). https://doi.org/10.1103/PhysRevX.11.011006
(5) C. Liu et al., “Plastic and Superionic Helium Ammonia Compounds under High Pressure and High Temperature”, Phys. Rev. X 10, 021007 (2020).
https://journals.aps.org/prx/abstract/10.1103/PhysRevX.10.021007
(6) G. Yuan, et al., “Proton-assisted growth of ultra-flat graphene films”, Nature 577, 204 (2020). https://www.nature.com/articles/s41586-019-1870-3
(7) C. Liu, et al., “Multiple superionic states in helium-water compounds”, Nature Physics 15, 1065 (2019). https://www.nature.com/articles/s41567-019-0568-7
(8) C. Liu, et al., “Mixed coordination silica at megabar pressure”, Phys. Rev. Lett. 126, 035701 (2021). https://doi.org/10.1103/PhysRevLett.126.035701
(9) K. Xia, et al., "Predictions on High-Power Trivalent Metal Pentazolate Salts", J. Phys. Chem. Lett. 10, 6166−6173 (2019). https://pubs.acs.org/doi/10.1021/acs.jpclett.9b02383
(10) J. Sun, et al., "Stable all nitrogen metallic salt at terapascal pressures", Phys. Rev. Lett. 111, 175502 (2013). https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.111.175502
(11) K. Xia, et al, “A novel superhard tungsten nitride predicted by machine-learning accelerated crystal structure search”, Sci. Bull. 63, 817 (2018).
https://doi.org/10.1016/j.scib.2018.05.027
(12) H. Gao, et al., “Improve the performance of machine-learning potentials by optimizing descriptors”, J. Chem. Phys. 150, 244110 (2019). https://doi.org/10.1063/1.5097293
(13) H. Gao et al., “Determining dimensionalities and multiplicities of crystal nets” npj Comput. Mater. 6, 143 (2020). https://www.nature.com/articles/s41524-020-00409-0
QUALIFICATIONS: Candidates with a strong background in condensed matter physics / materials theory, numerical analysis for first-principles studies, with a Ph.D. in the relevant fields are encouraged to apply. Preference will be given to candidates who have experience with method development and code implementation for crystal structure predictions, machine-learning, electron-phonon couplings, and molecular dynamics; Or experimental skills on high pressure synchrotron XRD, Raman, and electric transport measurements.
TO APPLY: Applicants should send their motivation letter, CV with publication list, research introduction, and contact information of three references to [email protected] (Title of the email should start with “application for postdoc position - your name”).
TERM OF APPOINTMENT: The positions are funded for three years, with the possibility of continuation contingent on positive performance review and available funding. The starting date can be negotiable.
SALARY AND BENEFITS: Basic salary (35-40 K USD/yr) + additional Bonus (up to 15 K USD/yr, dependent on the background and experience, and the outcome of fellowship applications). More details can be found in the enclosed PDF file (Yuxiu fellowship application guide) or inquired from Prof. Jian Sun ([email protected]).