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In-plane oxygen diffusion in single crystals of Bi2Sr2CaCu2O8+delta
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Benseman, T. M., Cooper, John R. and Balakrishnan, G. (2008) In-plane oxygen diffusion in single crystals of Bi2Sr2CaCu2O8+delta. Physica C: Superconductivity and its Applications, Vol.468 (No.1). pp. 81-87. doi:10.1016/j.physc.2007.10.018 ISSN 0921-4534.
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Official URL: http://dx.doi.org/10.1016/j.physc.2007.10.018
Abstract
We have determined the in-plane diffusion coefficient for nonstoichiometric oxygen in single crystals of Bi2Sr2CaCu2O8+delta (Bi-2212). This was done by measuring the superconducting diamagnetic transition of the crystals by AC susceptometry, following repeated annealing of the crystals at a range of temperatures. We find that the chemical diffusion coefficient for oxygen in Bi-2212 is well described by D-ab* = (1.5(-0.7)(+1.4)) x 10(-3) exp [-(1.23 +/- 0.06) eV/k(B)T] m(2)/S. Crown Copyright (c) 2007 Published by Elsevier B.V. All rights reserved.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics Q Science > QD Chemistry |
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Bismuth crystals, Diffusion, High temperature superconductors, Oxygen | ||||
| Journal or Publication Title: | Physica C: Superconductivity and its Applications | ||||
| Publisher: | Elsevier BV | ||||
| ISSN: | 0921-4534 | ||||
| Official Date: | 1 January 2008 | ||||
| Dates: |
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| Volume: | Vol.468 | ||||
| Number: | No.1 | ||||
| Number of Pages: | 7 | ||||
| Page Range: | pp. 81-87 | ||||
| DOI: | 10.1016/j.physc.2007.10.018 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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