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Characterization study of a plate of the magnetocaloric material La(Fe,Co,Si)13.
Author(s) : HANSEN B. R., KATTER M., THEIL KUHN L., et al.
Summary
A sample of magnetocaloric material with nominal composition La[Fe(0.851)Co(0.066)Si(0.083)]13 is shown to present a ferromagnetic-to-paramagnetic transition with a Curie temperature of TC= 278.7 K. Isothermal magnetization curves were used to determine the volumetric magnetic entropy change (mJ/cm3.K). The values thus found are compared to those of Gd and found to be almost twice as large for a given field. Hysteresis curves and thermomagnetic data show that a slight thermal hysteresis of 2 K is present, while no magnetic hysteresis exists in this material. Therefore, the authors show that several of the disadvantages previously associated with NaZn(13)-structured materials are not present in La(Fe,Co,Si)13 materials produced by powder metallurgy.
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Pages: 2009-3
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Details
- Original title: Characterization study of a plate of the magnetocaloric material La(Fe,Co,Si)13.
- Record ID : 2009-1603
- Languages: English
- Source: 3rd International Conference on Magnetic Refrigeration at Room Temperature
- Publication date: 2009/05/11
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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: Comparison; Magnetic refrigerator; Lanthanum; Transition (generic); Temperature; Alloy; Silicon; Magnetic property; Phase; Material; Iron; Curie; Cobalt
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- Date : 2009/05/11
- Languages : English
- Source: 3rd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
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Phase formation and magnetocaloric effects in L...
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- Date : 2009/05/11
- Languages : English
- Source: 3rd International Conference on Magnetic Refrigeration at Room Temperature
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- Date : 2009/05/11
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- Source: 3rd International Conference on Magnetic Refrigeration at Room Temperature
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Magnetocaloric effect and properties of La[Fe(1...
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- Date : 2009/05/11
- Languages : English
- Source: 3rd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
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- Date : 2009/05/11
- Languages : English
- Source: 3rd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
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