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2010 | 118 | 5 | 1000-1001
Article title

Magnetocaloric Effect in Materials with the First Order Transitions - Direct Measurements

Content
Title variants
Languages of publication
EN
Abstracts
EN
The results of direct measurements of the magneto-caloric characteristics Δ T_{ad} and the indirect determination of Δ S_{m} of pure Gd around the Curie temperature and of the FeMnP_{0.45}As_{0.55} and Ni_{45}Co_5Mn_{31}Ga_{19} intermetallics in the vicinity of the first order magnetic and structural phase transitions are presented and discussed. A pronounced temperature and field dependence of the first order transitions in the studied materials manifests restrictions applying these materials in magnetic refrigeration techniques. An effective use of the Ericsson and the Brayton refrigeration cycles with FeMnP_{0.45}As_{0.55} in the role of a refrigerant is discussed.
Keywords
EN
Year
Volume
118
Issue
5
Pages
1000-1001
Physical description
Dates
published
2010-11
References
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  • 2. N.A. de Oliveira, P.J. von Ranke, Phys. Rep. 489, 89 (2010)
  • 3. A.M. Tishin, Y.I. Spichkin, The Magnetocaloric Effect and its Applications, Institute of Physics Pub., Bristol 2003
  • 4. V.K. Pecharsky, K.A. Gschneidner, Phys. Rev. Lett. 78, 4494 (1997)
  • 5. V.K. Pecharsky, K.A. Gschneidner, Ya. Mudryk, D. Paudyal, J. Magn. Magn. Mater. 321, 3541 (2009)
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  • 7. H. Wada, Y. Tanabe, Appl. Phys. Lett. 79, 3302 (2001)
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Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv118n5117kz
Identifiers
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