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Magnetic phase transition and magnetic entropy change in melt-spun LaFe(11.6)Si(1.4)B(x) (x= 0.0-0.7) ribbons.
Author(s) : XIE K., SONG X. P.
Summary
The magnetic phase transition and magnetic entropy change of these ribbons were investigated by measuring the magnetization as the function of temperature. Comparing with LaFe(11.6)Si(1.4), the NaZn13-type structure of LaFe(11.6)Si(1.4)B(x) (x= 0.0-0.7) did not change after introducing B atoms, while the amount of A-Fe phase in the ribbons significantly decreased. The Curie temperature slightly changes after the addition of B. The LaFe(11.6)Si(1.4)B(x) (x= 0.3, 0.5) exhibits first-order magnetic transition and large magnetic entropy change as observed in LaFe(11.6)Si(1.4) compound.
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Details
- Original title: Magnetic phase transition and magnetic entropy change in melt-spun LaFe(11.6)Si(1.4)B(x) (x= 0.0-0.7) ribbons.
- Record ID : 2011-0177
- Languages: English
- Source: 4th International Conference on Magnetic Refrigeration at Room Temperature (Thermag IV). Proceedings: Baotou, China, August 23-27, 2010.
- Publication date: 2010/08/23
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Indexing
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Themes:
Thermodynamic measurements;
Heat transfer;
Mass transfer;
Domestic applications (refrigerators, freezers);
Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling) - Keywords: Composite; Magnetic refrigerator; Magnetocaloric cooling; Temperature; Alloy; Magnetic property; Material; Entropy; Magnetocaloric effect; Curie
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- Formats : PDF
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- Formats : PDF
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- Formats : PDF
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