Screening of transition (Y, Zr, Hf, V, Nb, Mo, and Ru) and rare-earth (La and Pr) elements as potential effective dopants for thermoelectric GeTe – an experimental and theoretical appraisal
Bhuvanesh Srinivasan, Sylvain Le Tonquesse, Alain Gellé, Cédric Bourgès, Leo Monier, I. Ohkubo, Jean‐François Halet, David Berthebaud, Takao Mori
Abstract
A report on an improvement in the thermoelectric performance of GeTe <italic>via</italic> intentional creation of more electrically dormant Ge vacancies (in contrast to classical approaches) and modulating/balancing it with optimized Zr-doping.
Topics & Concepts
Rare earthThermoelectric effectDopantDopingMaterials scienceCondensed matter physicsTransition metalThermoelectric materialsEngineering physicsMetallurgyThermodynamicsOptoelectronicsChemistryPhysicsBiochemistryCatalysisAdvanced Thermoelectric Materials and DevicesChalcogenide Semiconductor Thin FilmsPhase-change materials and chalcogenides