Mishra, P. K. ; Ravikumar, G. ; Rao, T. V. Chandrasekhar ; Sahni, V. C. ; Banerjee, S. S. ; Ramakrishnan, S. ; Grover, A. K. ; Higgins, M. J. (2000) Surface barrier effect and the crossover in magnetization relaxation in 2H-NbSe2 Physica C: Superconductivity, 340 (1). pp. 65-70. ISSN 0921-4534
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S09214...
Related URL: http://dx.doi.org/10.1016/S0921-4534(00)00369-5
Abstract
We have studied the low field magnetization hysteresis and relaxation process in pure 2H-NbSe2 single crystal. Our results show an order of magnitude difference in the relaxation rate for the flux entry and the flux exit. Also, we have observed a characteristic change of slope in M(ln t) curve in the flux-exit case. We analyse this asymmetry in the relaxation rate and the change of slope in M(ln t) curve in the framework of surface barrier controlled irreversible magnetic behaviour.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Type II Superconductors; Surface Barrier; Magnetization Relaxation |
| ID Code: | 14588 |
| Deposited On: | 12 Nov 2010 14:01 |
| Last Modified: | 02 Jun 2011 06:04 |
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