Mohapatra, N. ; Iyer, K. K. ; Sampathkumaran, E. V. (2008) Large magnetocaloric effect and magnetoresistance behavior in Gd4Co3 The European Physical Journal B - Condensed Matter and Complex Systems, 63 (4). pp. 451-454. ISSN 1434-6028
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Official URL: http://www.springerlink.com/content/f70x5n02706142...
Related URL: http://dx.doi.org/10.1140/epjb/e2008-00266-x
Abstract
We report a large entropy change (ΔS) below 300 K, peaking near TC=220 K, due to isothermal change of magnetic field, for Gd4Co3, with a refrigeration capacity higher than that for, say, LaFe11.4Si1.6, ordering magnetically in the same temperature range. A noteworthy finding is that the isothermal magnetization is nonhysteretic- an important criterion for magnetic refrigeration without loss. ΔS behavior is also compared with that of magnetoresistance.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Springer. |
| ID Code: | 45744 |
| Deposited On: | 29 Jun 2011 03:31 |
| Last Modified: | 29 Jun 2011 03:31 |
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