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Basal-plane thermal conductivity of few-layer molybdenum disulfide

Datetime:2016/7/6 22:02:39hit:10500

Basal-plane thermal conductivity of few-layer molybdenum disulfide. We report the in-plane thermal conductivity of suspended exfoliated few-layer molybdenum disulfide (MoS2) samples that were measured by suspended micro-devices with integrated resistance thermometers. The obtained room-temperature thermal conductivity values are (44¨C50) and (48¨C52) W m611 K611 for two samples that are 4 and 7 layers thick, respectively. For both samples, the peak thermal conductivity occurs at a temperature close to 12065K, above which the thermal conductivity is dominated by intrinsic phonon-phonon scattering although phonon scattering by surface disorders can still play an important role in these samples especially at low temperatures.