Dynamic disordering in discrete states: Disconnected hopping boosts anharmonicity in CuInP <sub>2</sub> S <sub>6</sub>

ions, ordered at low temperatures, become highly activated and dynamically disordered even at room temperature. This suppresses the virial contribution, a dominant heat conduction mechanism in conventional solids, while inducing a moderate liquid-like convective mode of heat transfer. Identifying analogous systems featuring disconnected pathways and dynamical disordering states offers a promising route for increased anharmonicity.

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Publication Details

Journal
Science Advances
Published
2026-04-01
DOI
https://doi.org/10.1126/sciadv.aee1289
Primary Topic
Phase-change materials and chalcogenides
Type
article
Field-Weighted Citation Impact
0.00

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article

Dynamic disordering in discrete states: Disconnected hopping boosts anharmonicity in CuInP 2 S 6

Changmeng Huan, Johannes Lischner, Hejin Yan, Jie Huang et al.
Science Advances
Phase-change materials and chalcogenides
article

Dynamic disordering in discrete states: Disconnected hopping boosts anharmonicity in CuInP 2 S 6

Changmeng Huan, Johannes Lischner, Hejin Yan, Jie Huang, X Yan, Qingqing Ke, Yongqing Cai
article en

Abstract

ions, ordered at low temperatures, become highly activated and dynamically disordered even at room temperature. This suppresses the virial contribution, a dominant heat conduction mechanism in conventional solids, while inducing a moderate liquid-like convective mode of heat transfer. Identifying analogous systems featuring disconnected pathways and dynamical disordering states offers a promising route for increased anharmonicity.

Science AdvancesVol. 12(14)
Sun Yat-sen University (CN), University of Macau (MO), Imperial College London (GB), Aalto University (FI)
National Natural Science Foundation of China, Natural Science Foundation of Guangdong Province, Universidade de Macau
Openalex Percentile: Top 34%
Phase-change materials and chalcogenides
DOIOpen Access PDFOpenAlex
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Dynamic disordering in discrete states: Disconnected hopping boosts anharmonicity in CuInP <sub>2</sub> S <sub>6</sub> — Changmeng Huan, Johannes Lischner, et al. · Science Advances (2026) | TGRS Research Map | TGRS