Direct measurement of individual phonon lifetimes in the clathrate compound Ba7.81Ge40.67Au5.33

Direct measurement of individual phonon lifetimes in the clathrate compound Ba7.81Ge40.67Au5.33

Phonon lifetime is a fundamental parameter of thermal transport however its determination is challenging. Using inelastic neutron scattering and the neutron resonant spin-echo technique, Lory et al. determine the acoustic phonon lifetime in a single crystal of clathrate Ba7.81Ge40.67Au5.33.

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Autores principales: Pierre-François Lory, Stéphane Pailhès, Valentina M. Giordano, Holger Euchner, Hong Duong Nguyen, Reiner Ramlau, Horst Borrmann, Marcus Schmidt, Michael Baitinger, Matthias Ikeda, Petr Tomeš, Marek Mihalkovič, Céline Allio, Mark Robert Johnson, Helmut Schober, Yvan Sidis, Frédéric Bourdarot, Louis Pierre Regnault, Jacques Ollivier, Silke Paschen, Yuri Grin, Marc de Boissieu
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2017
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Acceso en línea:https://doaj.org/article/57485382d627427aa06863b5f6198a71
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https://doaj.org/article/57485382d627427aa06863b5f6198a71

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