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Giant magnetocaloric effect in Mn(1-t)[Ti(0.5)V(0.5)](t)As compounds near room temperature.
Author(s) : DUPUIS C., ARTIGAS M., BALLI M., et al.
Summary
MnAs compounds with t varying from 0 to 0.20 were synthesised by arc melting and subsequently annealed. The X-ray diffraction analysis reveals pure and fairly crystallised samples. Magnetisation measurements show that the Curie temperature decreases to room temperature with t the substitution rate. The sharp and abrupt character of the 1st order transition of MnAs-type turns to a less marked variation of the magnetic entropy in the vicinity of the transition temperature, profit made to a wider temperature range of MCE efficiency.
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Details
- Original title: Giant magnetocaloric effect in Mn(1-t)[Ti(0.5)V(0.5)](t)As compounds near room temperature.
- Record ID : 2007-1588
- Languages: English
- Source: 2nd International Conference on Magnetic Refrigeration at Room Temperature
- Publication date: 2007/04/11
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Indexing
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Themes:
Properties of cryogenic fluids and materials;
Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling);
Other refrigerating systems (desiccant cooling, thermoelectrics, thermoacoustics…) - Keywords: Manganese; Magnetic refrigerator; Vanadium; Titanium; Arsenic; Alloy; Magnetic property; Material
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- Date : 2007/04/11
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- Source: 2nd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
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