2016
DOI: 10.1016/j.jallcom.2016.01.067
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Room temperature magnetocaloric effect in Mn1.25Fe1.75Ga Heusler alloys

Abstract: A room temperature magnetocaloric material with composition Mn1.25Fe1.75Ga is reported in this paper. The as-synthesized melt-spun ribbons have the pure L21 cubic structure and a homogeneous microstructure with an average grain size of 6 µm and show a ferromagnetic to paramagnetic transition at 296 K. The change in entropy determined from the M versus H curves was found to be 3 Jkg-1 K-1 at 296 K and 3T, which is good in comparison with the values of commonly used materials for magnetic refrigeration. However,… Show more

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Cited by 4 publications
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“…Magnetic cooling based on MCE is considered a highly efficient and environmentally friendly alternative to the conventional gas compression method 2 4 . Although much research effort is focused on searching high efficient refrigerants near room temperature (for air conditioning or refrigerators) 5 10 , the ultra-low temperature range 11 16 is no less important as a cost-effective alternative to 3 He dilution refrigerators. The later application will grow in importance as a result of the development of quantum computers which require cryogenic conditions.…”
Section: Introductionmentioning
confidence: 99%
“…Magnetic cooling based on MCE is considered a highly efficient and environmentally friendly alternative to the conventional gas compression method 2 4 . Although much research effort is focused on searching high efficient refrigerants near room temperature (for air conditioning or refrigerators) 5 10 , the ultra-low temperature range 11 16 is no less important as a cost-effective alternative to 3 He dilution refrigerators. The later application will grow in importance as a result of the development of quantum computers which require cryogenic conditions.…”
Section: Introductionmentioning
confidence: 99%