Qvillera, A. J. ; Yurchenko, V. V. ; Eliassen, K. ; Vestgården, J. I. ; Johansen, T. H. ; Nevala, M. R. ; Maasilta, I. J. ; Senapati, K. ; Budhani, R. C. (2010) Irreversibility of the threshold field for dendritic flux avalanches in superconductors Physica C: Superconductivity . ISSN 0921-4534
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S09214...
Related URL: http://dx.doi.org/10.1016/j.physc.2010.02.066
Abstract
Hysteretic effects are seen in the upper and lower threshold fields for the appearance of dendritic flux instabilities, first explained in Yurchenko et al. [Phys. Rev. B 76 (2007) 092504], in NbN-films. We have measured the threshold fields at increasing and decreasing applied fields at different temperatures and proposed a mechanism explaining how the hysteresis arises by analyzing the field profiles inside the sample.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Hermomagnetic Instability; Flux Avalanches |
| ID Code: | 5714 |
| Deposited On: | 19 Oct 2010 11:22 |
| Last Modified: | 23 May 2011 06:57 |
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