Superconductivity of Ca Exceeding 25K at Megabar Pressures(Condensed matter: electronic structure and electrical, magnetic, and optical properties)

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概要

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• The pressure dependence of the superconducting transition temperature T_c in calcium was measured up to 161 GPa. T_c increased significantly with pressure and reached 25K at 161GPa, which is the highest observed T_c for all elements. Compared with the result obtained in a recent structural experiment, T_c increases within the simple cubic structure phase and becomes rather stable but still increases in the Ca-IV and Ca-V phases.

• 2006-08-15

著者

• Shimizu Katsuya

  Kyokugen Center For Quantum Science And Technology Under Extreme Conditions Osaka University

• Matsuoka Takahiro

  Kyokugen Center For Quantum Science And Technology Under Extreme Conditions Osaka University

• Nakamoto Yuki

  Kyokugen Center For Quantum Science And Technology Under Extreme Conditions Osaka University

• YABUUCHI Takahiro

  KYOKUGEN, Center for Quantum Science and Technology under Extreme Conditions, Osaka University

• Yabuuchi Takahiro

  Kyokugen Center For Quantum Science And Technology Under Extreme Conditions Osaka University

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