Author

S. Kawaguchi

3 papers indexed here

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Open access Dec 2025

Time-Temperature-Transformation Diagrams to Navigate the Nucleation and Quenchability of Metastable α-Li₃PS4

α-Li₃PS₄ is a promising solid-state electrolyte with the highest ionic conductivity among its polymorphs. However, its formation presents a thermodynamic paradox: the α-phase is the equilibrium phase at high temperature and transforms to the stable γ-Li3PS4 polymorph when cooled to room temperature; however, α-Li3PS4 c...

Akira Miura, Woohyeon Baek, Yuta Fujii et al. · Nature Communications · 1 citation

Sep 2026

The Role of Magnetism and Phonons in the Negative Thermal Expansion of Layered Chromium Telluride

Unraveling the origin of negative thermal expansion (NTE) in magnetic solids remains an open challenge, often obscured by the complex entanglement of spin and lattice dynamics. Here, leveraging the layered architecture of nominally Cr0.95Te, we distinguish the magnetic and phononic contributions to its anomalous ther...

Cheng-Yi Yu, Yu-Jie Chen, Yi-Li Cao et al. · Journal of the American Chem... · 0 citations

Open access Sep 2026

Achieving Ultrawide Negative Thermal Expansion up to 1300 K via Structural Flexibility Engineering.

Developing novel open-framework negative thermal expansion (NTE) materials with both a strong NTE effect and a wide temperature range is crucial for thermal expansion control in high‑precision devices. Inspired by the concept of average atomic volume (AAV), continuous regulation of thermal expansion from positive to ze...

Yao-Yao Zhao, Yong-Qiang Qiao, Kai-Yue Zhao et al. · Advances in Materials · 0 citations