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p型BayFexCo4-xSb12化合物的热电性能

物理学报, 2001, 50(8): 1560-1566.
DOI: 10.7498/aps.50.1560
CSTR: 32037.14.aps.50.1560

THERMOELECTRIC PROPERTIES OF p-TYPE BayFexCo4-xSb12

Acta Phys. Sin., 2001, 50(8): 1560-1566.
DOI: 10.7498/aps.50.1560
CSTR: 32037.14.aps.50.1560
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  • 摘要

    以2+价的Ba作为填充原子,在x=1.0—1.6,y=0—0.63的组成范围内,系统地研究了Ba填充分数及Fe含量对p型BayFexCo4-xSb12化合物电性能及热性能的影响,探讨了填充原子的氧化价对电性能的影响规律,优化了p型BayFexCo4-xSb12化合物的组成和热电性能,对于富Co组成的Ba0.27FeCo3Sb12试样,本研究得到了0.9最大无量纲热电性能指数(ZT).

     

    Abstract

    Effects of Ba filling fraction and Fe content on thermoelectric properties of Ba2+-filled p-type skutterudite compounds BayFexCo4-xSb12(x=1.0—1.6,y=0—0.63) were investigated.Effects of oxidation valence of filling atoms on electrical transport properties of filled skutterudeite compounds were also discussed.The greatest ZT value of 0.9 was obtained for Co-rich Ba0.27FeCo3Sb12.

     

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