Enhanced thermoelectric performance of Mg<sub>3</sub>Sb<sub>2</sub>-based materials by codoping with B and Te
Lijun Zhai, Jian Wang, Lin Cheng, Minghao Lv, Lu Gao, Zhongyuan Yang, Yanli Li, Yan Zhang, Hongxia Liu, Zhigang Sun
Abstract
B and Te co-doped samples of Mg 3.2 B y SbBi 1− x Te x achieved the lowest κ − κ E of ∼0.49 W m −1 K −1 and a maximum zT of ∼1.54.
Topics & Concepts
Materials scienceThermoelectric effectThermoelectric materialsEngineering physicsMetallurgyOptoelectronicsNanotechnologyComposite materialThermodynamicsThermal conductivityEngineeringPhysicsAdvanced Thermoelectric Materials and DevicesOptical properties and cooling technologies in crystalline materialsHeusler alloys: electronic and magnetic properties