Pressure Effects on Two-Band Conduction and Superconductivity in C- and Al-Substituted MgB2 Single Crystals

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概要

• 論文の詳細を見る

• Pressure effects on resistivity, $T_{\text{c}}$, and $H_{\text{c2}}$ for pure, and C- and Al-substituted MgB2 single crystals are reported. While the suppression behavior of $T_{\text{c}}$ [$\Delta T_{\text{c}}/T_{\text{c}}(0)$] does not markedly differ among the samples, a large difference is seen in the suppression of the resistivity slope at high temperatures. This suggests that the strength of interband scattering differs between C- and Al-substituted samples.

• Physical Society of Japanの論文
• 2010-07-15

著者

• Lee Sergey

  Superconductivity Research Laboratory Istec

• Lee Sergey

  Superconductivity Research Laboratory, ISTEC, Koto, Tokyo 135-0062, Japan

• Masui Takahiko

  Dept. Phys. Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan

• Mikasa Yuji

  Dept. Phys. Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan

• Tajima Setsuko

  Dept. Phys. Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan

関連論文

• Mn Substitution Effect in Two-Gap Superconductor MgB_2(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
• Enhancement of Irreversibility Field in Carbon-substituted MgB_2 Single Crystals(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)
• Growth, Structure Analysis and Anisotropic Superconducting Properties of MgB_2 Single Crystals
• Pressure Effects on Two-Band Conduction and Superconductivity in C- and Al-Substituted MgB2 Single Crystals

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