MICROSTRUCTURAL CONTROL AND TUNING OF THERMAL CONDUCTIVITY IN La0.67Ca0.33MnO3 PLUS OR MINUS DELTA
Manganites have potential as room-temperature magnetic refrigerants. The dependence of the thermal conductivity of La0.67Ca0.33MnO3 plus or minus delta as a function of density, grain size and silver impregnation around room temperature was studied. A simple effective medium model was used to extrac...
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Veröffentlicht in: | Scripta materialia 2013-01, Vol.68 (7), p.510-513 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Manganites have potential as room-temperature magnetic refrigerants. The dependence of the thermal conductivity of La0.67Ca0.33MnO3 plus or minus delta as a function of density, grain size and silver impregnation around room temperature was studied. A simple effective medium model was used to extract relevant trends in the data, showing a 3-fold increase in thermal conductivity by silver impregnation. |
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ISSN: | 1359-6462 |