Mixed-Valence CsCu<sub>4</sub>Se<sub>3</sub>: Large Phonon Anharmonicity Driven by the Hierarchy of the Rigid [(Cu<sup>+</sup>)<sub>4</sub>(Se<sup>2–</sup>)<sub>2</sub>](Se<sup>–</sup>) Double Anti-CaF<sub>2</sub> Layer and the Soft Cs<sup>+</sup> Sublattice - KIVIRID

Mixed-Valence CsCu<sub>4</sub>Se<sub>3</sub>: Large Phonon Anharmonicity Driven by the Hierarchy of the Rigid [(Cu<sup>+</sup>)<sub>4</sub>(Se<sup>2–</sup>)<sub>2</sub>](Se<sup>–</sup>) Double Anti-CaF<sub>2</sub> Layer and the Soft Cs<sup>+</sup> Sublattice

Authors: Ni Ma, Fan Li, Jian-Gao Li, Xin Liu, Dong-Bo Zhang, Yan-Yan Li, Ling Chen, Li-Ming Wu

Published: 2021-10-27

DOI: 10.1021/jacs.1c07629

Source: Full article

Abstract

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