Seidler, G. T. and Rosenbaum, T. F. and Han, P. D. and Payne, D. A. and Veal, B. W. (1992) Critical fields and flux pinning in single crystal Ba_(1-x)K_xBiO_3. Physica C: Superconductivity, 195 (3-4). pp. 373-378. ISSN 0921-4534. doi:10.1016/0921-4534(92)90363-H. https://resolver.caltech.edu/CaltechAUTHORS:20140707-163037437
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Abstract
We report DC magnetization measurements of high quality single crystals of superconducting Ba_(0.63)K_(0.37)BiO_3 with T_c = 29 K, yielding values for the upper and lower critical fields, the low field critical current, the magnetization relaxation rate, and the activation energy for flux motion. We contrast the magnetization relaxation results for isotropic Ba_(0.63)K_(0.37)BiO_3 with those obtained on highly anisotropic oxygen deficient single crystals of YBa_2Cu_3O_(7-δ) with δ = 0.58 and a comparable T_c= 35 K.
| Item Type: | Article | |||||||||
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| Alternate Title: | Critical fields and flux pinning in single crystal Ba1-xKxBiO3 | |||||||||
| Additional Information: | Copyright © 1992 Published by Elsevier. Received 2 March 1992. The work at the University of Chicago and the University of Illinois was supported by the NSF Science and Technology Center for Superconductivity, Grant No. 88-09854. BWV acknowledges support from US DOE, BES-Materials Science, Contract No. W-31-109-ENG-38. | |||||||||
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| Issue or Number: | 3-4 | |||||||||
| DOI: | 10.1016/0921-4534(92)90363-H | |||||||||
| Record Number: | CaltechAUTHORS:20140707-163037437 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140707-163037437 | |||||||||
| Official Citation: | G.T. Seidler, T.F. Rosenbaum, P.D. Han, D.A. Payne, B.W. Veal, Critical fields and flux pinning in single crystal Ba1t̄xKxBiO3, Physica C: Superconductivity, Volume 195, Issues 3–4, 1 June 1992, Pages 373-378, ISSN 0921-4534, http://dx.doi.org/10.1016/0921-4534(92)90363-H. (http://www.sciencedirect.com/science/article/pii/092145349290363H) | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 47012 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | George Porter | |||||||||
| Deposited On: | 08 Jul 2014 20:11 | |||||||||
| Last Modified: | 10 Nov 2021 17:33 |
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