Extended anharmonic collapse of phonon dispersions in SnS and SnSe

Thermoelectric efficiency of SnS and SnSe is reported to peak around the phase transition temperature around 800 K; however, the transition mechanism and origin of ultralow thermal conductivity remain unclear. Here, the authors reveal the soft-mode mechanism of the phase transition that impacts ther...

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Autores principales:	T. Lanigan-Atkins, S. Yang, J. L. Niedziela, D. Bansal, A. F. May, A. A. Puretzky, J. Y. Y. Lin, D. M. Pajerowski, T. Hong, S. Chi, G. Ehlers, O. Delaire
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Science Q
Acceso en línea:	https://doaj.org/article/fe0cfe68793b461196484c45edd96580
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spelling	oai:doaj.org-article:fe0cfe68793b461196484c45edd965802021-12-02T19:10:15ZExtended anharmonic collapse of phonon dispersions in SnS and SnSe10.1038/s41467-020-18121-42041-1723https://doaj.org/article/fe0cfe68793b461196484c45edd965802020-09-01T00:00:00Zhttps://doi.org/10.1038/s41467-020-18121-4https://doaj.org/toc/2041-1723Thermoelectric efficiency of SnS and SnSe is reported to peak around the phase transition temperature around 800 K; however, the transition mechanism and origin of ultralow thermal conductivity remain unclear. Here, the authors reveal the soft-mode mechanism of the phase transition that impacts thermal transport and thermoelectric efficiency.T. Lanigan-AtkinsS. YangJ. L. NiedzielaD. BansalA. F. MayA. A. PuretzkyJ. Y. Y. LinD. M. PajerowskiT. HongS. ChiG. EhlersO. DelaireNature PortfolioarticleScienceQENNature Communications, Vol 11, Iss 1, Pp 1-9 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Science Q
spellingShingle	Science Q T. Lanigan-Atkins S. Yang J. L. Niedziela D. Bansal A. F. May A. A. Puretzky J. Y. Y. Lin D. M. Pajerowski T. Hong S. Chi G. Ehlers O. Delaire Extended anharmonic collapse of phonon dispersions in SnS and SnSe
description	Thermoelectric efficiency of SnS and SnSe is reported to peak around the phase transition temperature around 800 K; however, the transition mechanism and origin of ultralow thermal conductivity remain unclear. Here, the authors reveal the soft-mode mechanism of the phase transition that impacts thermal transport and thermoelectric efficiency.
format	article
author	T. Lanigan-Atkins S. Yang J. L. Niedziela D. Bansal A. F. May A. A. Puretzky J. Y. Y. Lin D. M. Pajerowski T. Hong S. Chi G. Ehlers O. Delaire
author_facet	T. Lanigan-Atkins S. Yang J. L. Niedziela D. Bansal A. F. May A. A. Puretzky J. Y. Y. Lin D. M. Pajerowski T. Hong S. Chi G. Ehlers O. Delaire
author_sort	T. Lanigan-Atkins
title	Extended anharmonic collapse of phonon dispersions in SnS and SnSe
title_short	Extended anharmonic collapse of phonon dispersions in SnS and SnSe
title_full	Extended anharmonic collapse of phonon dispersions in SnS and SnSe
title_fullStr	Extended anharmonic collapse of phonon dispersions in SnS and SnSe
title_full_unstemmed	Extended anharmonic collapse of phonon dispersions in SnS and SnSe
title_sort	extended anharmonic collapse of phonon dispersions in sns and snse
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/fe0cfe68793b461196484c45edd96580
work_keys_str_mv	AT tlaniganatkins extendedanharmoniccollapseofphonondispersionsinsnsandsnse AT syang extendedanharmoniccollapseofphonondispersionsinsnsandsnse AT jlniedziela extendedanharmoniccollapseofphonondispersionsinsnsandsnse AT dbansal extendedanharmoniccollapseofphonondispersionsinsnsandsnse AT afmay extendedanharmoniccollapseofphonondispersionsinsnsandsnse AT aapuretzky extendedanharmoniccollapseofphonondispersionsinsnsandsnse AT jyylin extendedanharmoniccollapseofphonondispersionsinsnsandsnse AT dmpajerowski extendedanharmoniccollapseofphonondispersionsinsnsandsnse AT thong extendedanharmoniccollapseofphonondispersionsinsnsandsnse AT schi extendedanharmoniccollapseofphonondispersionsinsnsandsnse AT gehlers extendedanharmoniccollapseofphonondispersionsinsnsandsnse AT odelaire extendedanharmoniccollapseofphonondispersionsinsnsandsnse
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Extended anharmonic collapse of phonon dispersions in SnS and SnSe

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