Suppressing the dynamic precipitation and lowering the thermal conductivity for stable and high thermoelectric performance in BaCu<sub>2</sub>Te<sub>2</sub> based materials
Kai Guo, Jianwei Lin, Li Yang, Yifan Zhu, Xin Li, Xinxin Yang, Juanjuan Xing, Jiong Yang, Jun Luo, Jing‐Tai Zhao
Abstract
Cu-rich nano-precipitation in BaCu<sub>2</sub>Te<sub>2</sub> sample realize the balance of precipitation and dissolution, and thus optimizing the hole concentration approaching to the optimal one, as well as leading to the stable degenerate semiconducting behaviors.
Topics & Concepts
PrecipitationDissolutionMaterials scienceThermoelectric effectThermal conductivityDegenerate energy levelsBismuthElectrical resistivity and conductivityConductivityChemical engineeringThermodynamicsChemistryComposite materialMetallurgyPhysicsMeteorologyPhysical chemistryQuantum mechanicsEngineeringAdvanced Thermoelectric Materials and DevicesThermal properties of materialsMagnetic and transport properties of perovskites and related materials