All-scale hierarchical nanostructures and superior valence band convergence lead to ultra-high thermoelectric performance in cubic GeTe
Debattam Sarkar, Manisha Samanta, Tanmoy Ghosh, Kapildeb Dolui, Subarna Das, Kumar Saurabh, Dirtha Sanyal, Kanishka Biswas
Abstract
Extreme electronic band convergence and nano/meso-structured phonon scattering leading to ultra-high thermoelectric performance in the near cubic Sb doped GeTe.
Topics & Concepts
Thermoelectric effectMaterials scienceNanostructureConvergence (economics)Valence bandCondensed matter physicsPhononValence (chemistry)Thermoelectric materialsScatteringNanoscopic scaleDopingNanotechnologyOptoelectronicsBand gapPhysicsOpticsQuantum mechanicsEconomic growthEconomicsAdvanced Thermoelectric Materials and DevicesChalcogenide Semiconductor Thin FilmsHeusler alloys: electronic and magnetic properties