Published January 1, 1975
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Journal Article
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Amorphous superconducting lanthanum-gold alloys obtained by liquid quenching
- Creators
- Johnson, W. L.
- Poon, S. J.
- Duwez, P.
Abstract
Results of x-ray diffraction, electrical resistivity, and critical magnetic field measurements are presented for amorphous superconducting lanthanum-gold alloys obtained by liquid quenching. The transition temperature of the alloys is ∼ 3.5°K. The bulk nature of the samples along with the stability of the amorphous phase at room temperature make this an ideal system for the study of superconductivity in the amorphous state. Estimates of intrinsic parameters including the coherence length ξ and penetration depth λ are presented and discussed. The observed linearity of Hc2(T) and its extrapolated low-temperature limiting value are discussed and compared to predicted behavior for Hc2(T).
Additional Information
©1975 The American Physical Society Received 14 March 1974; revised 1 July 1974 The authors wish to thank Wilkie Y.K. Chen for designing the superconducting solenoid used for the upper critical field measurements.Files
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Additional details
- Eprint ID
- 7063
- Resolver ID
- CaltechAUTHORS:JOHprb75
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