Member Since 1996
Renata Wentzcovitch
Professor, Columbia University
AGU Research
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Deep‐Learning‐Based Prediction of the Tetragonal → Cubic Transition in Davemaoite
GEOPHYSICAL RESEARCH LETTERS
12 june 2024
Fulun Wu, Yang Sun, Tianqi Wan, Renata Wentzcovitc...
Davemaoite, that is, CaSiO3 perovskite (CaPv), is the third most abundant phase in the lower mantle and exhibits a tetragonal‐cubic phase tra...
Thermoelastic Properties of Bridgmanite using Deep Potential Molecular Dynamics
ONLINE POSTER SESSION FOR MINERAL AND ROCK PHYSICS I
mineral and rock physics | 22 january 2024
Tianqi Wan, Chenxing Luo, Yang Sun, Renata Wentzco...
The high-pressure Pbnm-perovskite polymorph of , i.e., bridgmanite (Bm), is the principal constituent of the Earths lower mantle. The physical propert...
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Ab initio study on the stability and elasticity of brucite
ONLINE POSTER SESSION FOR MINERAL AND ROCK PHYSICS I
mineral and rock physics | 22 january 2024
Hongjin Wang, Chenxing Luo, Renata Wentzcovitch
Brucite, or magnesium hydroxide (Mg(OH)2), is a mineral of great interest owing to its various applications and roles in geological and environmental ...
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Unveiling the effect of Ni on the formation and structure of Earth's inner core
ONLINE POSTER SESSION FOR MINERAL AND ROCK PHYSICS I
mineral and rock physics | 22 january 2024
Yang Sun, Mikhail Mendelev, Feng Zhang, Xun Liu, B...
Ni is the second most abundant element in the Earth's core. However, its effects on the inner core's structure and formation process are often overloo...
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Ferrous iron partitioning in the lower mantle: consequences for seismic velocities and heterogeneities
IRON, IRON ALLOYS, AND IRON-BEARING PHASES IN PLANETARY INTERIORS I ORAL
mineral and rock physics | 14 december 2023
Jingyi Zhuang, Renata Wentzcovitch
Iron partitioning among lower mantle phases has non-monotonic behavior owing to the high-spin to a low-spin crossover of iron in ferropericlase (Fp) a...
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Elasticity and Acoustic Velocities of δ-AlOOH at Mantle Pressures and Temperatures
EXPLORING PLANETARY MATERIALS THROUGH COMPUTATIONAL SIMULATIONS AND DATA ANALYTICS I ORAL
mineral and rock physics | 11 december 2023
Chenxing Luo, Yang Sun, Renata Wentzcovitch
δ-AlOOH is a critical high-pressure hydrous phase and a prototypic model for understanding deep water storage. However, its elasticity and acoustic ve...
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PBE-GGA predicts the B8↔B2 phase boundary of FeO at Earth’s core conditions
EXPLORING PLANETARY MATERIALS THROUGH COMPUTATIONAL SIMULATIONS AND DATA ANALYTICS I ORAL
mineral and rock physics | 11 december 2023
Zhen Zhang, Yang Sun, Renata Wentzcovitch
FeO is a crucial component of the Earths core, and its thermodynamic properties are essential to developing more accurate core models. It is also a no...
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The Post‐Perovskite Transition in Fe‐ and Al‐Bearing Bridgmanite: Effects on Seismic Observables
JOURNAL OF GEOPHYSICAL RESEARCH: SOLID EARTH
15 march 2023
Juan J. Valencia-Cardona, Renata Wentzcovitch, Jin...
The primary phase of the Earth’s lower mantle, (Al, Fe)‐bearing bridgmanite, transitions to the post‐perovskite (PPv) phase at Ea...