3 papers
cond-mat.mtrl-sci2026
Hydrogen-induced volume expansion in hexagonal close-packed iron: Effects of pressure and temperature
Yuichiro Mori, Masahiro Takano, Hiroyuki Kagi +4
Hydrogen is a promising candidate for the light element in terrestrial planetary cores. Its incorporation into iron causes significant volume expansion, leading to a substantial de…
cond-mat.mtrl-sci2026
Pressure-induced thermal expansion anomalies in dhcp iron hydride associated with magnetoelastic coupling
Yuichiro Mori, Katsutoshi Aoki, Masahiro Takano +7
Iron hydride with a double hexagonal close-packed structure (dhcp-FeH) undergoes a ferromagnetic-paramagnetic transition without changing its crystal structure. Despite its r…
cond-mat.mtrl-sci2025
From Continuous to First-Order-Like: Amorphous-to-Amorphous Transition in Phase-Change Materials
Tomoki Fujita, Yoshio Kono, Yuhan Chen +13
Polymorphism is ubiquitous in crystalline solids. Amorphous solids, such as glassy water and silicon, may undergo amorphous-to-amorphous transitions (AATs). The nature of AATs rema…