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The paper presents the author's analysis of the physical mechanisms of the large magnetocaloric effect (MCE) in the room temperature region. Special emphasis is focussed on such parameters as magnetic moment, purity, the value of exchange interaction, volumetric magnetostriction, shift of temperature of magnetic phase transition under the action of a magnetic field, and the influence of a magnetic field on the heat capacity. Benefits of an utilization of the value of effective MCE for a comparison of different magnetocaloric materials are explained.
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Details
- Original title: Physical mechanisms of large magnetocaloric effect.
- Record ID : 2006-1241
- 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:
Refrigerant circulation: piping, control, automation, safety;
Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling);
Other refrigerating systems (desiccant cooling, thermoelectrics, thermoacoustics…) - Keywords: Thermodynamics; Magnetic refrigerator; Transition (generic); Temperature; Research; Magnetic property; Material; Specific heat
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- Author(s) : ZVEREV V. I., TISHIN A. M.
- Date : 2009/05/11
- Languages : English
- Source: 3rd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
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Scaling laws for the magnetocaloric effect in s...
- Author(s) : FRANCO V., CONDE A.
- Date : 2009/05/11
- Languages : English
- Source: 3rd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
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- Author(s) : AMARAL J. S., AMARAL V. S.
- Date : 2007/04/11
- Languages : English
- Source: 2nd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
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- Author(s) : FUJITA A., FUJIEDA S., FUKAMICHI K.
- Date : 2009/05/11
- Languages : English
- Source: 3rd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
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- Author(s) : HANSEN B. R., KATTER M., THEIL KUHN L., et al.
- Date : 2009/05/11
- Languages : English
- Source: 3rd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
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