Role of higher-order phonon scattering in the zone-center optical phonon linewidth and the Lorenz oscillator model

Yang Xiaolong
Yang Xiaolong
Kang Joon Sang
Kang Joon Sang
Li Ju
Li Ju
Cited by: 0|Views3

Abstract:

Zone-center optical phonon linewidth is a key parameter for infrared and Raman spectra as well as the Lorenz oscillator model. While three-phonon scattering was often assumed to be the leading contribution, in this work we find, surprisingly, that higher-order phonon scattering universally plays a significant or even dominant role over ...More

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