Structure and Superconductivity of the Y4Ba8Cu12O27 Nanosuperconductor |
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Authors: | Wu Ming Chen S. S. Jiang Y. C. Guo L. Y. Li K. Shen S. X. Dou |
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Affiliation: | (1) Department of Physics and National Laboratory of Solid State Microstructures, Nanjing University, Nanjing, 210093, P.R. China;(2) Center for Superconducting and Electronic Materials, University of Wollongong, Wollongong, New South Wales, 2522, Australia |
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Abstract: | A nanosuperconductor was prepared and characterized in the present work. The nanosuperconductor consisted of nanocrystals with superconducting transition temperature, T
c, of 88 K. Dimension of the nanocrystals is dozens nm in diameter and hundreds nm in length. The compound of the nanocrystals has a formula of Y4Ba8Cu12O27. The structure of the nanocrystals was found to be an orthorhombic perovskite, and the lattice constants were determined as a = 7.634 Å, b = 7.758 Å, and c = 11.654 Å, respectively. |
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Keywords: | Nanocrystals nanosuperconductor structure superconductivity |
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