Effect of Synthesis Procedure on Thermoelectric Property of SiGe Alloy
Effect of Synthesis Procedure on Thermoelectric Property of SiGe Alloy
复制标题
合成工艺对硅锗合金热电性能的影响
DOI:
10.1007/s11664-018-6334-2
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发表时间:
2018-05
影响因子:
2.1
通讯作者:
Yongchun Xiang
中科院分区:
文献类型:
--
作者:
Jing Li;Jun Han;Tao Jiang;Lili Luo;Yongchun Xiang
SiGe thermoelectric material has been synthesized by ball milling combined with hot pressing (HP) or spark plasma sintering (SPS). Effects of ball milling time, powder to ball weight ratio and sintering method on microstructure and thermoelectric properties of SiGe are studied. The results show that longer ball milling time leads to decreased density and worse electrical properties. In the sintering process, SPS results in much larger density and better electrical properties than HP. The Si0.795Ge0.2B0.005sample prepared by 2 h ball milling combined with SPS obtains a maximum power factor of 3.0 mW m−1K−2at 860 K andZTof 0.95 at 1000 K.
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影响因子:
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通讯作者:
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影响因子:
2.1
作者:
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