4 papers
Liquid-state structural asymmetry governs species-selective crystallization in multicomponent systems
Rikuya Ishikawa, Kyohei Takae, Daisuke Takegami +2
Multicomponent crystals are often assumed to form nearly random solid solutions when thermodynamically stable. However, crystal growth proceeds from structurally heterogeneous liqu…
Cooperative Ion Conduction Enabled by Site Percolation in Random Substitutional Crystals
Rikuya Ishikawa, Kyohei Takae, Rei Kurita
Efficient and safe energy storage technologies are essential for realizing a sustainable and electrified society. Among the key challenges, the design of superionic conductors for…
Spontaneous formation of Frenkel defects in high-entropy-alloys-type compound
Rikuya Ishikawa, Kyohei Takae, Yoshikazu Mizuguchi +1
High-entropy alloys (HEAs) are attracting attention due to their exceptional properties, such as enhanced mechanical toughness, superconducting robustness, and thermoelectric perfo…
Initial perturbations dependence of non-equilibrium continuous and discontinuous pattern transition
Rikuya Ishikawa, Rei Kurita
A phase separation in a spatially heterogeneous environment is closely related to intracellular science and material science. For the phase separation, initial heterogeneous pertur…