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Superconductivity in amorphous and microcrystalline transition–metal alloys

Johnson, W. L. and Poon, S. J. (1975) Superconductivity in amorphous and microcrystalline transition–metal alloys. Journal of Applied Physics, 46 (4). pp. 1787-1792. ISSN 0021-8979.

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Results of x–ray diffraction, electrical resistivity, critical magnetic field, and transport measurements for several bulk amorphous and microcrystalline transition–metal superconductors obtained by liquid quenching are presented and discussed. Simple Jc–Hc2–Tc relations are observed for this class of materials. A linear relation between electronic diffusivity and nearest–neighbors distance is derived from critical field measurements. The relationship between the formation of an amorphous phase by rapid cooling from the liquid state, lattice stability, and the characteristics of phase diagrams are discussed.

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Additional Information:Copyright © 1975 American Institute of Physics. Received 2 October 1974. The authors wish to express their appreciation to Professor Pol Duwez for his support and encouragement throughout this work. Work supported by the U.S. Atomic Energy Commission.
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ID Code:11389
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Deposited On:11 Aug 2008 22:15
Last Modified:26 Dec 2012 10:13

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