Rao, T. V. Chandrasekhar ; Mishra, P. K. ; Ravikumar, G. ; Sahni, V. C. ; Ghosh, K. ; Menon, Gautam I. ; Ramakrishnan, S. ; Grover, A. K. ; Chandra, Girish (1996) Measurement and understanding of the temperature dependence of the lower critical field in YNi2B2C Physica B: Condensed Matter, 223-224 . pp. 86-89. ISSN 0921-4526
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/092145...
Related URL: http://dx.doi.org/10.1016/0921-4526(96)00046-4
Abstract
The lower critical field (Hc1(T) values in YNi2B2C (Tc =15.45 K) are found to fit the quadratic form Hc1 (T) = 220[1-(T/Tc)2] Oe from 5 to 14 K. These values are consistent with an analysis which uses a thermodynamical critical field Hc(0) of 1.7 kOe (deduced from experiments). However, measured values of Hc1(T) above 14.4 K deviate from the quadratic relation. Taking cue from the presence of intergranularity effects above 14.4 K in our YNi2B2C sample, the Hc1 data are quantitatively described in terms of a two-component magnetic response.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 14432 |
| Deposited On: | 12 Nov 2010 09:24 |
| Last Modified: | 02 Jun 2011 06:31 |
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