Stable cubic crystal structures and optimized thermoelectric performance of SrTiO<sub>3</sub>-based ceramics driven by entropy engineering
Jie Yao, Tingting Chen, Hongxiang Wang, Hongxiang Wang, Mahwish Khan, Chang‐Heng Tan, Yuqing Sun, Wenbin Su, Hongchao Wang, Hongchao Wang, Chunlei Wang
Abstract
A stable cubic phase remained by entropy engineering design with Ba, La and Nb doping. The optimized configurational entropy range, 9–10 J mol −1 K −1 , is found and helps to obtain good thermoelectric performance for Sr 0.9− x Ba x La 0.1 Ti 0.9 Nb 0.1 O 3− δ .
Topics & Concepts
Materials scienceThermoelectric effectCubic crystal systemCeramicDopingCrystal structureEntropy (arrow of time)Condensed matter physicsConfiguration entropyThermodynamicsThermoelectric materialsCrystallographyMetallurgyOptoelectronicsChemistryPhysicsAdvanced Thermoelectric Materials and DevicesThermal properties of materialsAdvanced Thermodynamics and Statistical Mechanics