Excitation mechanism of A1g mode and origin of nonlinear temperature dependence of Raman shift of CVD-grown mono- and few-layer MoS2 films.

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Summary

Fitting results reveal that the nonlinear temperature dependence of Raman shifts of E2g1 mode mainly originates from three-phonon anharmonic effect, while one of A1g mode is contributed by stronger three- and weaker four-phonic effects cooperatively but two contributions are comparable in intensity.

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article
Published
2016-05-30
Cited by
22
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39
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Keywords

Architectural engineering, Daylighting, Efficient energy use, Thermal insulation, Sustainability

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