High thermal conductivity driven by the unusual phonon relaxation time platform in 2D monolayer boron arsenide
Yanxiao Hu, Dengfeng Li, Yan Yin, Shichang Li, Hangbo Zhou, Gang Zhang
Abstract
), which is governed by the different phonon scattering process attributed to the opposite wavevector dependence in out-of-plane optical phonons. Our findings provide new insight into the physics of heat conduction in 2D materials, and demonstrate h-BAs to be a new thermally conductive 2D semiconductor.
Topics & Concepts
PhononThermal conductivityCondensed matter physicsBoltzmann equationThermal conductionMaterials scienceMonolayerPhonon scatteringSemiconductorOptoelectronicsPhysicsNanotechnologyThermodynamicsComposite materialThermal properties of materialsAdvanced Thermoelectric Materials and DevicesThermal Radiation and Cooling Technologies