Ravikumar, G. ; Mishra, P. K. ; Sahni, V. C. ; Banerjee, S. S. ; Ramakrishnan, S. ; Grover, A. K. ; Gammel, P. L. ; Bishop, D. J. ; Bucher, E. ; Higgins, M. J. ; Bhattacharya, S. (1999) Step change in equilibrium magnetization across the peak effect in 2H-NbSe2 Physica C: Superconductivity, 322 (3-4). pp. 145-150. 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(99)00427-X
Abstract
Isothermal magnetization measurements across the peak effect (PE) region in a clean superconducting crystal of 2H-NbSe2 reveal a step increase in the equilibrium magnetization suggestive of a first order phase transition. We relate this observation to the entropy change associated with the occurrence of order-disorder transformation across the PE in a weakly pinned flux line lattice (FLL).
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Peak Effect; Entropy Change; Order-disorder Transformation; NbSe2 |
| ID Code: | 14641 |
| Deposited On: | 12 Nov 2010 13:54 |
| Last Modified: | 02 Jun 2011 06:14 |
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