Anharmonicity and ultralow thermal conductivity in layered oxychalcogenides BiAgOCh (Ch = S, Se, and Te)
Jingyu Li, Wenya Zhai, Chi Zhang, Yuli Yan, Pengfei Liu, Gui Yang
Abstract
Understanding the lattice dynamics and low thermal conductivities of oxychalcogenide materials is critical to the development of a new generation of better thermoelectric oxide materials.
Topics & Concepts
AnharmonicityThermal conductivityMaterials scienceThermalCondensed matter physicsThermodynamicsPhysicsComposite materialAdvanced Thermoelectric Materials and DevicesHeusler alloys: electronic and magnetic propertiesMagnetic and transport properties of perovskites and related materials