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The magnetic transition and magnetocaloric effects (MCEs) were examined for Mn-As-Sb alloy synthesized by various heat treatments. It was found that this alloy forms a single phase with the Ni-As-type structure, when the sample was slightly enriched by Mn. A first-order magnetic transition was observed, when the samples were quenched from a liquid state and subsequently annealed at appropriate temperatures. The results of direct measurements of the adiabatic temperature change indicate that this alloy shows giant MCEs in a wide temperature range from 230 to 300 K.
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Details
- Original title: Recent progress of magnetocaloric effect of Mn-As-Sb.
- Record ID : 2006-1238
- Languages: English
- Source: 1st International Conference on Magnetic Refrigeration at Room Temperature
- Publication date: 2005/09/27
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Indexing
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Themes:
Low-temperature physics;
Properties of cryogenic fluids and materials;
Refrigerant circulation: piping, control, automation, safety;
Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling);
Other refrigerating systems (desiccant cooling, thermoelectrics, thermoacoustics…) - Keywords: Thermodynamics; Thermal treatment; Cryotemperature; Manganese; Magnetic refrigerator; Transition (generic); Research; Arsenic; Antimony; Alloy; Magnetic property; Material
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Electronic structure calculations of ferromagne...
- Author(s) : TOBOLA J., WIENDLOCHA B., KAPRZYK S., et al.
- Date : 2007/04/11
- Languages : English
- Source: 2nd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
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Compositional dependence of magnetic entropy ch...
- Author(s) : KHOVAYLO V., KOLEDOV V., SHAVROV V., et al.
- Date : 2007/04/11
- Languages : English
- Source: 2nd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
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Giant magnetocaloric effect in Mn(1-t)[Ti(0.5)V...
- Author(s) : DUPUIS C., ARTIGAS M., BALLI M., et al.
- Date : 2007/04/11
- Languages : English
- Source: 2nd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
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Heat capacity and direct determination of the m...
- Author(s) : PALACIOS E., TOCADO L., BURRIEL R., et al.
- Date : 2005/09/27
- Languages : English
- Source: 1st International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
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Materials for magnetic refrigeration: structure...
- Author(s) : BRÜCK E., TEGUS O., CAM THANH D. T., et al.
- Date : 2007/04/11
- Languages : English
- Source: 2nd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
View record