Ferromagnetism and large negative magnetoresistance in Bi1−xCaxMnO3 (x ≥ 0.8) perovskite
作者： H. Chiba , M. Kikuchi , K. Kusaba , Y. Muraoka , Y. Syono
DOI: 10.1016/0038-1098(96)00305-5
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摘要: Abstract Polycrystalline perovskite manganites Bi 1−x Ca x MnO 3 (x ≥ 0.8) have been prepared by standard ceramic technique, and their magnetic electronic property are examined down to 5 K. Ferromagnetic moment reduced resistivity observed for 0.875), also large negative magnetoresistances appear below T ′ c .
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