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The magnetocaloric effect in soft magnetic amorphous alloys.
- Source :
- Journal of Applied Physics; 5/1/2007, Vol. 101 Issue 9, p09C503, 3p, 3 Graphs
- Publication Year :
- 2007
-
Abstract
- The influence of different compositional modifications on the magnetic entropy change and refrigerant capacity of Finemet, Nanoperm, HiTperm, and bulk amorphous alloys is presented. For all the studied alloys, the field dependence of the magnetic entropy change exhibits a quadratic dependence in the paramagnetic regime, a linear dependence in the ferromagnetic temperature range, and a potential law with a field exponent ∼0.75 at the Curie temperature. This exponent can be explained using the critical exponents of the Curie transition. It is shown that for alloys of similar compositional series, the magnetic entropy change follows a master curve behavior. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00218979
- Volume :
- 101
- Issue :
- 9
- Database :
- Complementary Index
- Journal :
- Journal of Applied Physics
- Publication Type :
- Academic Journal
- Accession number :
- 25115188
- Full Text :
- https://doi.org/10.1063/1.2709409