Thermodynamic and superconducting properties of the C32 intermetallic compounds CaAlSi and SrAlSi

B. Lorenz, J. Cmaidalka, R. L. Meng, Y. Y. Xue, C. W. Chu

研究成果: Conference article同行評審

3 引文 斯高帕斯(Scopus)

摘要

We investigate the thermodynamic and superconducting properties of the intermetallic C32 compounds CaAlSi and SrAlSi. The heat capacity of SrAlSi follows the BCS-theory for weak coupling, but the data for CaAlSi indicate an enhanced coupling strength in the latter compound. The characteristic parameters of the normal and superconducting states are evaluated. The effect of high pressure on Tc is positive in CaAlSi but negative in SrAlSi. The opposite signs of the pressure coefficients of Tc indicate distinct differences in the electronic structure at the Fermi energy.

原文English
頁(從 - 到)171-172
頁數2
期刊Physica C: Superconductivity and its applications
408-410
發行號1-4
DOIs
出版狀態Published - 2004 8月
事件Proceedings of the International Conference on Materials - Rio de Janeiro, Brazil
持續時間: 2003 5月 252003 5月 30

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學
  • 能源工程與電力技術
  • 電氣與電子工程

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