3 papers
cond-mat.supr-con2025
Finite-Temperature Structural Optimization of the Bilayer Nickelate Superconductor LaNiO
Ryoma Asai, Ryotaro Arita, Takumi Chida +3
We develop a first-principles framework for finite-temperature structural optimization that incorporates vibrational contributions to the free energy through anharmonic phonon theo…
cond-mat.supr-con2024
Ab initio study on magnetism suppression, anharmonicity, rattling mode and superconductivity in ScTe (=Fe, Co, Ni)
Ming-Chun Jiang, Ryota Masuki, Guang-Yu Guo +1
We perform a systematic ab initio study on phonon-mediated superconductivity in the transition-metal-based superconductors ScTe ( = Fe, Co, Ni). Firstly, our charge ana…
cond-mat.mtrl-sci2020
Origin of anomalous temperature dependence of Nernst effect in narrow-gap semiconductors
Ryota Masuki, Takuya Nomoto, Ryotaro Arita
Based on the Boltzmann transport theory, we study the origin of the anomalous temperature dependence of the Nernst coefficient () due to the phonon-drag mechanism. For narrow-ga…