Upper critical field in borocarbides

Kalavathi, S. ; Geetha Kumari, T. ; Hariharan, Y. ; Valsakumar, M. C. ; Janawadkar, M. P. ; Radhakrishnan, T. S. ; Hossain, Z. ; Nagarajan, R. ; Gupta, L. C. ; Vijayaraghavan, R. (1996) Upper critical field in borocarbides Physica B: Condensed Matter, 223-224 . pp. 96-98. ISSN 0921-4526

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Official URL: http://www.sciencedirect.com/science/article/pii/0...

Related URL: http://dx.doi.org/10.1016/0921-4526(96)00049-X


Resistive measurement of superconducting transitions under externally applied magnetic fields in polycrystalline samples of YPd5B3C0.3 and YNi2B2C has revealed a marked positive curvature in the temperature dependence of Hc2, with the slope - dHc2/dT increasing monotonically from Tc to 4.2 K. This observed positive curvature is in marked contrast with the predictions of the conventional theories of upper critical field. It is possible that a compensation mechanism may have to be invoked to account for the observed results.

Item Type:Article
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ID Code:61898
Deposited On:22 Nov 2011 04:24
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