Manipulating the phase transformation temperature to achieve cubic Cu<sub>5</sub>FeS<sub>4−x</sub>Se<sub>x</sub> and enhanced thermoelectric performance
Lijie Guo, Bin Zhang, Huaxing Zhu, Hong Wu, Yanci Yan, Xiangnan Gong, Xu Lu, Guang Han, Guoyu Wang, Xiaoyuan Zhou
Abstract
The phase transformation temperature of Cu<sub>5</sub>FeS<sub>4</sub> can be significantly reduced by replacing S by Se, leading to significantly enhanced average power factor and <italic>zT</italic>.
Topics & Concepts
Materials scienceThermoelectric effectPhase (matter)Seebeck coefficientTransformation (genetics)Thermoelectric materialsCrystallographyThermodynamicsThermal conductivityComposite materialPhysicsChemistryGeneQuantum mechanicsBiochemistryAdvanced Thermoelectric Materials and DevicesChalcogenide Semiconductor Thin FilmsMagnetic and transport properties of perovskites and related materials