Twisted grain boundary leads to high thermoelectric performance in tellurium crystals
Stanley Abbey, Hanhwi Jang, Brakowaa Frimpong, Naveen Kumar, Woo Hyun Nam, Văn Quảng Nguyễn, Jongho Park, Chien Viet Nguyen, Hosun Shin, Jae Yong Song, Su-Dong Park, Sunglae Cho, Chandan Bera, Jaimin Kang, Byong‐Guk Park, Muath Al Malki, G. Jeffrey Snyder, Yeon Sik Jung, Ki‐Ha Hong, Min-Wook Oh
Abstract
A twisted grain boundary is introduced in the tellurium crystal to effectively block phonon propagation while maintaining high electron mobility for superior thermoelectric properties.
Topics & Concepts
TelluriumThermoelectric effectGrain boundaryMaterials scienceCondensed matter physicsElectronBoundary (topology)Crystal (programming language)Thermoelectric materialsCrystallographyMetallurgyPhysicsChemistryThermodynamicsComputer scienceMathematicsQuantum mechanicsMicrostructureMathematical analysisProgramming languageAdvanced Thermoelectric Materials and DevicesThermal properties of materialsThermal Radiation and Cooling Technologies