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(Bi₂Te₃)_0.90（Sb₂Te₃）_0.05（Sb₂Se₃）_0.05熔炼冷压烧结材料的制备及其热电性能的研究

Investigation on Preparation and Properties of（Bi₂Te₃）_0.90（Sb₂Te₃）_0.05（Sb₂Se₃）_0.05 Melting Cold-pressing Sintering Thermoelectric Materials

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【Author】 WANG Yue-yuan~2,HU Jian-min~(1,2),XIN Jiang-bo,LU Qiang~3,RONG Jian-ying~1 (1.Department of Physics,Harbin Normal University,Harbin 150025,China;2.Department of Physics,Acheng College,Harbin Normal University,Harbin 150301,China;3.Mudanjiang Medical College,Mudanjiang 157011,China)

【机构】哈尔滨师范大学阿城学院物理系；哈尔滨师范大学物理系；牡丹江医学院；哈尔滨师范大学物理系阿城150301；哈尔滨150025；阿城150301；牡丹江157011；

【摘要】本文采用熔炼冷压烧结法制备了n型赝三元(B i2Te3)0.90(Sb2Te3)0.05(Sb2Se3)0.05熔炼冷压烧结热电材料,分析了材料的微观结构并测试了材料的热电性能。研究表明:烧结有利于提高材料的热电性能;n型赝三元熔炼冷压烧结热电材料的热电性能沿垂直于冷压压力方向存在优化取向。更多还原

【Abstract】 n-type（Bi₂Te₃）_0.90（Sb₂Te₃）_0.05（Sb₂Se₃）_0.05 pseudo-ternary thermoelectric materials were prepared by melting cold-pressing sintering method.The microstructures were analyzed,and the thermoelectric properties were tested.The result shows that the thermoelectric properties are raised through sintering process,which of n-type pseudo-ternary melting cold-pressing sintering thermoelectric materials is preferentially oriented along perpendicular to the pressure direction.更多还原