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Ph.D., Columbia University
, New York, NY
Exp. 2024
Department of Earth and Environmental Sciences
- M.A. achieved in May 2021.
- M.Phil. achieved in Oct 2022.
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M.Sc., Columbia University
, New York, NY
Dec 2018
Department of Applied Physics and Applied Mathematics
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B.Eng., Soochow University
, Suzhou, China
Jun 2017
College of Nano Science and Technology
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Graduate Research Assistant & Software Developer, Columbia University
Sep 2019 - Present
Lamont-Doherty Earth Observatory
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Fe Partitioning in Lower Mantle
Feb 2023 - Present
- Fe partitioning has non-monotonic behavior due to the high-spin to a low-spin crossover of iron in ferropericlase (Fp) at lower mantle conditions.
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Lower Mantle Mineral Studies
Jan 2022 - Present
- Study the post-perovskite transition in Fe- and Al-bearing bridgmanite from DFT + USC calculations
- [ paper] [ talk]
- Organize ab initio results that have been produced by our group over the last fifteen years on thermoelastic properties of minerals.
- [ Vlab online database]
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Spin Crossover in Fp
Apr 2021 - Present
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pgm: Python Package
Jun 2020 - Apr 2023
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Graduate Researcher, Columbia University
Mar 2018 - May 2019
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Visting Student, Chinese Academy of Sciences
Mar 2017 - Jun 2017
Printable Electronics Research Center
Studied and operated printing organic electronic materials with applications of printable electronics inks with the feature size of micrometer level, assembled samples of printed carbon nanotube thin-film transistors
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Undegraduate Researcher, Soochow University
College of Nano Science and Technology
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Solar Cell Simulations
Jan 2017 - Jun 2017
- Graduation thesis: solar cell efficiency simulations with different antireflection coating patterns
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Organic Solar Cells
Mar 2015 - Sep 2015
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Organic Light-Emitting Diodes
Jan 2015 - May 2015
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L. Cobden, J. Zhuang, W. Lei, R. M. Wentzcovitch, J. Trampert, and J. Tromp, Full-waveform tomography reveals iron spin crossover in Earth’s lower mantle, Nature Communications, Under Review (2023) online.
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H. Wang, J. Zhuang, Zhen Zhang, Qi Zhang, and R. M. Wentzcovitch, pgm: a phyton package for computation of free-energy using T-dependent phonon frequencies,Comp. Phys. Comm. (2023) online.
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R. M. Wentzcovitch, J. Valencia Cardona, J. Zhuang, G. Shukla, K. Sarkar, The Post-Perovskite Transition in Fe- and Al-Bearing Bridgmanite: Effects on Seismic Observables, J. Geophys. Res. (2023) online.
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Q. Zhang, C. Gu, J. Zhuang, and R. M. Wentzcovitch, express: extensible, high-level workflows for swifter ab initio materials modeling, Comp. Phys. Comm. (2022) online.
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Y. Sun, J. Zhuang and R. M. Wentzcovitch, LDA+Usc calculation of spin crossover in ferropericlase, Electronic Structure (2022) online.
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J. Zhuang, H. Wang, Q. Zhang, R. M. Wentzcovitch, Thermodynamic properties of ε-Fe with thermal electronic excitation effects on vibrational spectra, Phys. Rev. B (2021) online.
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Graduate Teaching Assistant, Columbia University
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Materials Thermodynamics and Phase Diagrams (grader)
May 2022
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Dinosaurs and the History of Life (lecture & lab)
Sep 2021 - Dec 2021
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Earth’s Environmental Systems: Solid Earth (lecture & lab)
Jan 2021 - May 2021
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Summer Research Intern, Chinese Academy of Sciences
Jul 2016 - Aug 2016
Advanced Thermal Interface Materials & Devices Lab
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Dean’s fellowship, Columbia University
2019
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17th Academic Research Scholarship, Soochow University
2015
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Exchange Student Scholarship, Soochow University
2014
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Spin crossover in ferropericlase: beyond ideal HS-LS ideal solid solution model, American Physical Society March Meeting in Las Vegas, NV, Mar 2023 (poster) abstract.
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pgm: A Python package for free energy calculation, American Physical Society March Meeting in Las Vegas, NV, Mar 2023 (presentation) abstract.
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The post-perovskite transition in Fe- and Al-bearing bridgmanite, American Geophysical Union Fall Meeting in Chicago, IL, Dec 2022 (presentation) abstract.
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The post-perovskite transition in Fe- and Al-bearing bridgmanite, American Physical Society March Meeting in Chicago, IL, Mar 2022 (focused session speaker) abstract.
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Spin crossover in ferropericlase: beyond ideal solid solution model, American Physical Society March Meeting in Chicago, IL, Mar 2022 (poster) abstract.
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pgm: A Python package for anharmonic free energy calculations, American Physical Society March Meeting in Chicago, IL, Mar 2022 (poster) abstract.
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Spin crossover in ferropericlase in the Earth’s lower mantle from LDA + USC calculations, American Geophysical Union Fall Meeting in New Orleans, LA, Dec 2021 (poster) abstract.
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pgm: A Python package for free energy calculation, American Physical Society March Meeting online, Mar 2021 (speaker) abstract.
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pgm: A Python package for free energy calculation, American Geophysical Union Fall Meeting online, Dec 2020 (poster) abstract.
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Thermodynamic properties of ε-iron with T-dependent phonons, American Physical Society March Meeting in Boston, MA, Mar 2019 (speaker) abstract.
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Thermodynamic properties of ε-Fe at inner core conditions using T-dependent phonon dispersions, American Geophysical Union Fall Meeting in Washington, DC, Dec 2018 (poster) abstract.
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Workshops Attended
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Presenter, US-Africa Initiative in Electronic Structure Workshop
Mar 2021
pgm: A Python package for free energy calculation, available online.
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Workshops Organized
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Organizer, US-Africa Initiative in Electronic Structure Workshop
May 2022
Held virtually [site]
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Organizer, 2022 Workshop on Recent Developments in Electronic Structure (ES22)
May - Jun 2022
Held by Columbia University, NY USA [site]
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Sessions Chaired
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American Physical Society March Meeting 2023
March 2023
Session chair of TT02 V: Computational Methods for Statistical Mechanics - Advances and Applications, APS March Meeting in Las Vegas, Nevada and Virtual.