High-throughput screening of room temperature active Peltier cooling materials in Heusler compounds  

作　　者：Huifang Luo Xin Li Yuxiang Wang Yeqing Jin Mingjia Yao Jiong Yang 

机构地区：[1]Materials Genome Institute,Shanghai University,Shanghai,200444,China [2]State Key Laboratory of Functional Materials for Informatics,Shanghai Institute of Microsystem and Information Technology,Chinese Academy of Sciences,Shanghai,200050,China [3]Zhejiang Laboratory,Hangzhou,Zhejiang,311100,China

出　　处：《npj Computational Materials》2022年第1期1899-1904,共6页计算材料学（英文）

基　　金：This work is supported by the Key Research Project of Zhejiang Lab(No.2021PE0AC02);the National Key Research and Development Program of China(No.2018YFB0703600);the Natural Science Foundation of China(Grant nos.52172216 and 92163212).

摘　　要：Active Peltier cooling enables Peltier heat transfer in addition to the traditional Fourier thermal conductance,which is useful in some special applications,such as the microthermostats.From the material wise,however,the study on the active Peltier cooling materials is rare.We carried out a high-throughput workflow to screen out 5 room-temperature active Peltier cooling materials,GaSbLi_(2),HgPbCa_(2),SnTiRu_(2),GeYbLi_(2),and GeTiFe_(2),from 2958 Heusler materials.All the five materials are semimetals or very narrow band gap systems with high electrical conductivity.Some of these materials have relatively large Seebeck coefficients due to the band asymmetry.Their effective thermal conductivityκ_(eff)s,which are the summation of active Peltier thermal conductivity and passive thermal conductivity,are all greater than Cu at the room temperature andΔT=1 K.The present work gives a possible way to search active cooling Peltier materials for the applications of precise temperature control.

关 键 词：CONDUCTIVITY PRECISE SEEBECK 

分 类 号：TB30[一般工业技术—材料科学与工程]