3 papers
cond-mat.mtrl-sci2026
Lattice dynamics and the spectroscopic signatures of H-bond disorder in -AlOOH
Chenxing Luo, Sangjoon Lee, Hongjin Wang +2
Raman and infrared anomalies associated with H-bond symmetrization in -AlOOH, including mode softening and linewidth broadening at 5-10 GPa, occur at significantly lower pressu…
cond-mat.mtrl-sci2025
Tetragonal Fe2O: the stable iron oxide at Earth's core conditions
Junjie Jiang, Zhen Zhang, Tongqi Wen +2
The Fe-O system is fundamental to understanding the composition and properties of the Earth's core. Recent studies have suggested the possible existence of stable, iron-rich FenO c…
cond-mat.mtrl-sci2025
Ferroelasticity, shear modulus softening, and the tetragonal-cubic transition in davemaoite
Tianqi Wan, Chenxing Luo, Zhen Zhang +2
Davemaoite (Dm), the cubic phase of CaSiO3-perovskite (CaPv), is a major component of the Earth's lower mantle. Understanding its elastic behavior, including its dissolution in bri…