Superconductivity at 5.4 K in beta -Bi sub( 2)Pd

Superconductivity at 5.4 K in beta -Bi sub( 2)Pd

We investigate bulk superconductivity in a high-quality single crystal of Bi ... Pd ( beta -Bi ... Pd; space group: I 4/ m m m ) with a superconducting transition temperature of 5.4 K, by exploring its electrical resistivity, magnetic susceptibility, and specific heat. The temperature dependence of...

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Veröffentlicht in:Journal of the Physical Society of Japan 2012-11, Vol.81 (11), p.1-1
Hauptverfasser: Imai, Yoshinori, Nabeshima, Fuyuki, Yoshinaka, Taiki, Miyatani, Kosuke, Kondo, Ryusuke, Komiya, Seiki, Tsukada, Ichiro, Maeda, Atsutaka
Format: Artikel
Sprache:eng
Schlagworte:
Electrical resistivity
Magnetic fields
Magnetic permeability
Palladium
Specific heat
Superconductivity
Symbols
Temperature dependence
Transition temperature
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Zusammenfassung:We investigate bulk superconductivity in a high-quality single crystal of Bi ... Pd ( beta -Bi ... Pd; space group: I 4/ m m m ) with a superconducting transition temperature of 5.4 K, by exploring its electrical resistivity, magnetic susceptibility, and specific heat. The temperature dependence of the electrical resistivity shows convex-upward behavior at temperatures greater than 40-50 K, which can be explained using a parallel-resistor model. In addition, the temperature dependences of the upper critical magnetic field and the specific heat suggest that beta -Bi ... Pd is a multiple-band/multiple-gap superconductor. (ProQuest: ... denotes formulae/symbols omitted.)
ISSN:0031-9015
1347-4073