Time-Temperature-Transformation (TTT) Diagrams to rationalize the nucleation and quenchability of metastable $\hat{I}\pm$-Li${}_3$PS${}_4$

Akira Miura, Woohyeon Baek, Yuta Fujii +12

$\hat{I}\pm$-Li${}_3$PS${}_4$ is a promising solid-state electrolyte with the highest ionic conductivity among its polymorphs. However, its formation presents a thermodynamic paradox: the $\hat{I}\pm$…