A deeper look into argyrodite phonons

By monitoring the lattice dynamics of single-crystal argyrodite Ag 8 SnSe 6 through the superionic transition, low thermal conductivity and ionic transport are found to arise from extreme phonon anharmonicity.

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Bibliographische Detailangaben
Veröffentlicht in:	Nature materials 2023-08, Vol.22 (8), p.931-932
1. Verfasser:	de Boissieu, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	639/301/299 639/766/119/1002 Acoustics Anharmonicity Biomaterials Chemistry and Materials Science Condensed Matter Physics Crystal lattices Energy Heat conductivity Materials Science Maximum entropy method Nanotechnology Neutrons News & Views news-and-views Optical and Electronic Materials Phase transitions Phonons Physics Simulation Single crystals Temperature Thermal conductivity
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Beschreibung
Zusammenfassung:	By monitoring the lattice dynamics of single-crystal argyrodite Ag 8 SnSe 6 through the superionic transition, low thermal conductivity and ionic transport are found to arise from extreme phonon anharmonicity.
ISSN:	1476-1122 1476-4660
DOI:	10.1038/s41563-023-01605-1