Volume 72, Number 4, November 2005
|Page(s)||652 - 657|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||12 October 2005|
Magnetocaloric effect in the intermetallic compound
Tata Institute of Fundamental Research - Mumbai 400 005, India
2 Moscow Lomonosov State University - Moscow, GSP-2, 119992, Russia
Corresponding author: firstname.lastname@example.org
Accepted: 16 September 2005
The rare-earth intermetallic compound, (orthorhombic -type, space group Pnma), has been synthesized and is found to be a ferromagnet with a transition temperature, , of . Magnetization vs. field isotherms for this compound were measured in the vicinity of in applied fields upto 7. Using these data, the isothermal magnetic entropy change, , has been computed. The magnetic entropy change is large, attains a value of ∼ 4.8 at for a field change of 7 and is spread over a wide temperature range exhibiting a table-like magnetocaloric effect, thus making this material attractive for Ericson-cycle magnetic refrigerator applications.
PACS: 75.30.Sg – Magnetocaloric effect, magnetic cooling / 75.50.Cc – Other ferromagnetic metals and alloys / 75.47.-m – Magnetotransport phenomena; materials for magnetotransport
© EDP Sciences, 2005
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