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Materials for magnetic refrigeration: structure and properties.
Author(s) : BRÜCK E., TEGUS O., CAM THANH D. T., et al.
Summary
Magnetic refrigeration employing magnetically ordered materials is a relatively novel technique, differing in some respects from magnetic cooling by means of adiabatic demagnetization of paramagnetic substances. Magnetic refrigeration has been known for more than a century and is based on the magnetocaloric effect. It has received new impetus recently because it has several advantages over vapor compression refrigeration. In the last few years the magnetic and magnetocaloric properties of a large number of intermetallic compounds were investigated, in which the magnetic moments are carried by atoms of 3d transition elements. In the present paper the authors will focus on intermetallic compounds in which one of the components is Mn. The results obtained on several groups of such intermetallic compounds will be reviewed. By far the most promising materials of this group of intermetallics are compounds of the type MnFeP(1-x)As(x). Although it is understood that these compounds are probably nontoxic, the presence of As atoms in them might form a mental barrier to exploit these materials on a commercial basis. Special attention will therefore be paid to efforts attempting to substitute other elements for As in MnFeP(1-x)As(x) with the proviso that the favorable magnetocaloric properties be retained.
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Details
- Original title: Materials for magnetic refrigeration: structure and properties.
- Record ID : 2007-1576
- 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: Phosphorus; Manganese; Magnetic refrigerator; Design; Arsenic; Alloy; Material; Iron
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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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Experimental studies of layered AMRs using MnFe...
- Author(s) : CAMPBELL O., ROWE A., GOVINDAPPA P.
- Date : 2014/09/07
- Languages : English
- Source: 6th International Conference on Magnetic Refrigeration at Room Temperature (Thermag VI). Proceedings: Victoria, Canada, September 7-10, 2014.
- 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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Experimental investigation of the effect of the...
- Author(s) : MOOS L. von, NIELSEN K. K., ENGELBRECHT K., et al.
- Date : 2014/01
- Languages : English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 37 - n. 1
- Formats : PDF
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Experimental investigation of the effect of the...
- Author(s) : MOOS L. von, NIELSEN K. K., ENGELBRECHT K., et al.
- Date : 2012/09/17
- Languages : English
- Source: 5th International Conference on Magnetic Refrigeration at Room Temperature (Thermag V). Proceedings: Grenoble, France, September 17-20, 2012.
- Formats : PDF
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