Atomic mass dependency of a localized phonon mode in SiGe alloys

Using molecular dynamics, the effect of an atomic mass difference on a localized phonon mode in SiGe alloys was investigated. Phonon dispersion relations revealed that a change in atomic mass causes the optical and acoustic modes to shift frequency. The results indicate that the local mode is sensit...

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Autores principales: Sylvia Yuk Yee Chung, Motohiro Tomita, Ryo Yokogawa, Atsushi Ogura, Takanobu Watanabe
Formato: article
Lenguaje:EN
Publicado: AIP Publishing LLC 2021
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Acceso en línea:https://doaj.org/article/a8366e761b2d4418838e2340d6880597
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