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Description:

Finding routes to achieve ultralow lattice thermal conductivity is vital for advanced thermal functional materials. Cheng et al. demonstrate that partial Cu occupancy and moderate atomic hopping in Cu4TiSe4 create intense phonon scattering without opening a convection channel, bridging fully rigid lattices and liquid-like superionic states to achieve a drastic suppression of thermal transport.

Rights:

• Creative Commons BY-NC-ND Attribution-NonCommercial-NoDerivs 4.0 International
  

Keyword: thermal conductivity

Date published: 2025-05-09

Publisher: Elsevier BV

Journal:

• Newton (ISSN: 29506360) vol. 1 issue. 4 100101

Funding:

• JST-Mirai Program

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5984

First published URL: https://doi.org/10.1016/j.newton.2025.100101

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Updated at: 2026-04-30 12:01:11 +0900

Published on MDR: 2026-05-09 08:39:10 +0900