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- 2018
Mg2Si基热电材料的性能优化研究及其进展
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Abstract:
Mg2Si基半导体是重要的中温热电材料，具有原料丰富、价格低、无毒等优点；其载流子有效质量和迁移率均较高，有望获得优异的电性能，近年来倍受关注。该文综述了Mg2Si基材料的研究进展，重点探讨了提高其热电性能的措施，对比了不同制备方法的优缺点，最后指出了今后的研究方向。分析表明，目前研究主要集中在n型体系，应加强对p型材料的性能优化探索。掺杂对提高热电性能的效果更显著，通过制备工艺的优化，将掺杂和纳米化两种措施结合，可进一步有效优化。
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