Effective enhancement of thermoelectric and mechanical properties of germanium telluride <i>via</i> rhenium-doping
Ady Suwardi, Su Hui Lim, Yun Zheng, Xizu Wang, Sheau Wei Chien, Xian Yi Tan, Qiang Zhu, Lai Mun Wong, Jing Cao, W.D. Wang, Qingyu Yan, Chee Kiang Ivan Tan, Jianwei Xu
Abstract
The introduction of 2% rhenium into GeTe leads to the remarkable enhancement of Vickers microhardness from 145 to 342 MPa, as well as a 16.5% improvement in Young's modulus but not at the expense of thermoelectric properties.
Topics & Concepts
Materials scienceRheniumLead tellurideThermoelectric effectDopingGermaniumThermoelectric materialsTellurideIndentation hardnessOptoelectronicsMetallurgyComposite materialThermal conductivityThermodynamicsMicrostructureSiliconPhysicsAdvanced Thermoelectric Materials and DevicesChalcogenide Semiconductor Thin Films2D Materials and Applications