Microstructure and Magnetic Properties of La-Ca-Sr-Mn-O Perovskite Ceramics |
| K. Zmorayova, V. Antal, M. Radusovska, S. Piovarci, J. Kováč, V. Kavecansky and P. Diko
Institute of Experimental Physics SAS, Watsonova 47, 040 01 Kosice, Slovak Republic |
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| La0.67Ca0.33-xSrxMnO3 (x=0.33; 0.03; 0) (LCSM) perovskite magnetocaloric ceramics were prepared by solid state synthesis in air and sintering at 1520°C. The phase composition was checked by x-ray powder diffraction. Microstructure analyses were done by scanning electron microscopy. The influence of high pressure oxygenation on magnetisation behaviour is shown. |
DOI: 10.12693/APhysPolA.126.168 PACS numbers: 75.30.Sg, 75.47.Lx, 77.80.Bh, 81.20.Ev, 81.30.Fb |