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La_{0.67}Ca_{0.33}MnO_3 perovskite-type manganite was synthesized by high-energy ball milling raw oxides of La_2O_3 (purity 99.9%), CaCO_3 (purity > 99%), and MnO (purity > 99%). The ratio of ball and powder weight was 10:1 and the rotating speed was set to 500 rpm. X-ray analysis indicated that La_{0.67}Ca_{0.33}MnO_3 single phase was formed completely when milling time is up to 4 h. The peak...
In this study, magnetic properties of Pr_{0.67}Ca_{0.33}MnO_3 compound were investigated in detail. The magnetization versus temperature (M-T) curve showed that this material undergoes a charge order transition at 200 K. A more pronounced FM phase appeared below 56 K. At T = 5 K, a field induced sharp step like magnetisation transition associated with phase separation was observed. However, after...
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