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CsBi(4) Te(6):用于低温应用的高性能热电材料

Chung1, Hogan, Brazis

  • 1Department of Chemistry, Michigan State University and Center for Fundamental Materials Research, East Lansing, MI 48824, USA. Electrical and Computer Engineering & Materials Science and Mechanics, Michigan State University, East Lan.

Science (New York, N.Y.)
|February 11, 2000
PubMed
概括

新的热电材料,如 bismuth telluride (CsBi4Te6),为电子产品提供高效的冷却. 这种材料在低温下表现出很高的性能,在低温应用中可能超过现有合金的性能.

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A substance that reaches superconductivity, a state in which magnetic fields cannot penetrate, and there is no electrical resistance, is referred to as a superconductor. In 1911, Heike Kamerlingh Onnes of Leiden University, a Dutch physicist, observed a relation between the temperature and the resistance of the element mercury. The mercury sample was then cooled in liquid helium to study the linear dependence of resistance on temperature. It was observed that, as the temperature decreased, the...