Microwave electrical resistivity of moderately high Tc superconductor, Y2C3

We performed the first electrical property study by measuring microwave complex surface impedance, Zs, of Y2C3 with Tc=15.5K. First of all, the resistivity was determined successfully in the normal state. We observed a typical behavior of the Drude metal in the Hargen–Rubens limit (ρ1≫ρ2) in the nor...

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Veröffentlicht in:	Physica. C, Superconductivity Superconductivity, 2007-09, Vol.460-462 (1), p.649-650
Hauptverfasser:	Akutagawa, Satoshi, Ohashi, Takeyoshi, Kitano, Haruhisa, Maeda, Atsutaka, Akimitsu, Jun
Format:	Artikel
Sprache:	eng
Schlagworte:	Cavity perturbation technique Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Metals, alloys and compounds (a15, 001c15, laves phases, chevrel phases, borocarbides, etc.) Microwave Physics Properties of type I and type II superconductors Resistivity Response to electromagnetic fields (nuclear magnetic resonance, surface impedance, etc.) Superconducting materials (excluding high-tc compounds) Superconductivity Surface impedance Y2C3
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Zusammenfassung:	We performed the first electrical property study by measuring microwave complex surface impedance, Zs, of Y2C3 with Tc=15.5K. First of all, the resistivity was determined successfully in the normal state. We observed a typical behavior of the Drude metal in the Hargen–Rubens limit (ρ1≫ρ2) in the normal state, and we succeeded in observing the occurrence of superconductivity in the electrical property for the first time. We found that Y2C3 was a typical type-II clean superconductor.
ISSN:	0921-4534 1873-2143
DOI:	10.1016/j.physc.2007.04.215