Anomalous low energy phonon dispersion in bulk silicon-germanium observed by inelastic x-ray scattering
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DOI: 10.1063/5.0010506
Abstract: We report on an anomalous mode distinct from both optical and acoustic modes in phonon dispersion curves of bulk Si1−xGex alloy with x taking the values of 0.16, 0.32, 0.45, and 0.72. The anomalous mode… read more here.
Keywords: inelastic ray; anomalous mode; phonon dispersion;