Mg-Defect Compensation to Realize High Performance at Room Temperature in Mg3Bi2-Based Thermoelectric Single Crystals
Shun Zhou,
Yan-Ru Yin,
Yu Tian
et al.
Abstract:Mg3Bi2-based
materials are a very promising
substitute for current commercial Bi2Te3 thermoelectric
alloys. The successful growth of Mg3Bi2-based
single crystals with high room-temperature performance is especially
significant for practical applications. Previous studies indicated
that the effective suppression of Mg defects in Mg3Bi2-based materials was crucial for high performance, which was
usually realized by applying excessive Mg during syntheses. However,
utilization of excessive Mg generates Mg-rich pha… Show more
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