Promoted thermoelectric performance in cubic-phase GeTe <i>via</i> grain-boundary phase elimination under phase diagram guidance
Fudong Zhang, Baopeng Ma, Luo Yiyuan, Lujun Zhu, Weishuai Wang, Yalin Shi, Beiquan Jia, Zhen‐Hua Ge, Zupei Yang, Di Wu, Jiaqing He
Abstract
The Ag 8 GeTe 6 grain boundary phase gets eliminated in cubic-phase δ -TAGS as guided by a quaternary phase diagram.
Topics & Concepts
Phase (matter)Phase diagramThermoelectric effectGrain boundaryMaterials scienceCondensed matter physicsPhase boundaryThermodynamicsComposite materialPhysicsMicrostructureQuantum mechanicsChalcogenide Semiconductor Thin FilmsAdvanced Thermoelectric Materials and DevicesPhase-change materials and chalcogenides