含Sm、Mn的P型FeSi2基热电材料的电学性能

中国有色金属学报, 2003, 13(2): 419-422.

含Sm、Mn的P型FeSi2基热电材料的电学性能

李伟文 ^1, , 赵新兵 ^2, , 邬震泰 ^3, , 周邦昌 ^4,

1.浙江大学,材料系硅材料国家重点实验室,杭州,310027

2.浙江大学,材料系硅材料国家重点实验室,杭州,310027

3.浙江大学,材料系硅材料国家重点实验室,杭州,310027

4.浙江大学,材料系硅材料国家重点实验室,杭州,310027

基金项目: 国家自然科学基金(59971044)

关键词： Sm , FeSi2 , 热电材料 , 功率因子

Electrical properties of P-type FeSi2 based thermoelectric materials doped with Sm and Mn

用悬浮熔炼法制备了含Sm、Mn的P型FeSi2基热电材料.实验结果表明,其电学性能是由掺杂的两种元素共同决定的,Sm对降低样品电阻率的作用较大,而Mn有助于提高样品的热电动势率.要保证有较高功率因子,Mn、Sm掺杂总摩尔分数应小于5%,而Mn的最佳掺杂摩尔分数在1.7%左右.

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材料期刊网

含Sm、Mn的P型FeSi2基热电材料的电学性能

Electrical properties of P-type FeSi2 based thermoelectric materials doped with Sm and Mn

参考文献