Paper Title:
The Magnetocaloric Effect in Ni-Mn-X (X=Ga, in) Heusler Alloys and Manganites with Magnetic Transition close to Room Temperature
  Abstract

The magnetocaloric effect (MCE) in theNi2+xMn1-xGa (x = 0.33, 0.36, 0.39), Ni50Mn25In25, Ni54Mn21Ga18In7, Ni53.5Mn21.5Ga16In9, Ni45Co5Mn36.5In13.5 Heusler alloys and in the La0.7BayCa0.3-yMnO3 (y = 0.12, 0.24, 0.3) manganites at the Curie points have been measured by the direct method. For the magnetic field change H = 2 T, the maximal adiabatic temperature change Tad in the Ni2+xMn1-xGa alloys is larger than 0.6 K. For the Ni50Mn25In25 alloy the maximal value of Tad = 1.51 K (for the same magnetic field change H = 2 T) is observed at the magnetic phase transition temperature.

  Info
Periodical
Solid State Phenomena (Volumes 168-169)
Main Theme
Edited by
V. Ustinov
Pages
165-168
DOI
10.4028/www.scientific.net/SSP.168-169.165
Citation
V. D. Buchelnikov, M. Drobosyuk, E.A. Smyshlyaev, O.O. Pavlukhina, A.V. Andreevskikh, V.V. Sokolovskiy, S. V. Taskaev, V.V. Koledov, V.G. Shavrov, V.V. Khovaylo, A.A. Fediy, "The Magnetocaloric Effect in Ni-Mn-X (X=Ga, in) Heusler Alloys and Manganites with Magnetic Transition close to Room Temperature", Solid State Phenomena, Vols. 168-169, pp. 165-168, 2011
Online since
December 2010
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