Ultra-low lattice thermal conductivity and anisotropic thermoelectric transport properties in Zintl compound β-K<sub>2</sub>Te<sub>2</sub>
Tongcai Yue, Baolong Xu, Yinchang Zhao, Sheng Meng, Zhenhong Dai
Abstract
A good thermoelectric (TE) performance is usually the result of the coexistence of an ultralow thermal conductivity and a high TE power factor in the same material.
Topics & Concepts
ScatteringCondensed matter physicsAnisotropyPhonon scatteringPhononThermal conductivityBoltzmann equationThermoelectric effectMaterials scienceSeebeck coefficientPhysicsThermodynamicsOpticsComposite materialAdvanced Thermoelectric Materials and DevicesThermal properties of materialsThermal Expansion and Ionic Conductivity