Record thermoelectric figure of merit in Bi <sub> 1− <i>x</i> </sub> Sb <sub> <i>x</i> </sub> achieved by 1-D Landau level quantization
Bin He, Xiaolong Feng, Dong Chen, Federico Serrano‐Sánchez, Mohamed Nawwar, Haiyao Hu, U. Burkhardt, Berit H. Goodge, Claudia Felser, Joseph P. Heremans, Yu Pan
Abstract
The magnetic field significantly enhances the thermoelectric performance of Te-doped Bi 88 Sb 12 by the quantum mechanical effect induced exotic density of states. By such enhancement, the best zT reaches 2.6, comparable to the current best results.
Topics & Concepts
Figure of meritLandau quantizationQuantization (signal processing)Condensed matter physicsThermoelectric effectPhysicsMaterials scienceMathematicsOptoelectronicsStatisticsQuantum mechanicsMagnetic fieldAdvanced Thermoelectric Materials and DevicesTopological Materials and PhenomenaMagnetic and transport properties of perovskites and related materials