中国物理B ›› 1998, Vol. 7 ›› Issue (10): 757-763.doi: 10.1088/1004-423X/7/10/007

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GRAIN SIZE DEPENDENT MAGNETISM IN GRANULAR MANGANESE PEROVSKITE La0.82Sr0.18MnO3

张胜1, 徐寅林1, 丁维平2, 钟伟2, 都有为2, 张宁3   

  1. (1)Department of Physics, Nanjing Normal University, Nanjing 210097, China; (2)State Key Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China; (3)State Key Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China; Department of Physics, Nanjing Normal University, Nanjing 210097,China
  • 收稿日期:1997-10-27 修回日期:1998-05-11 出版日期:1998-10-20 发布日期:1998-10-20
  • 基金资助:
    Project supported by the Natural Fundamental Research Program of the State Science and Technology Commission of China (Grant No.95-60 NMS).

GRAIN SIZE DEPENDENT MAGNETISM IN GRANULAR MANGANESE PEROVSKITE La0.82Sr0.18MnO3

Zhang Ning (张宁)a, Zhang Sheng (张胜)b, Xu Yin-lin (徐寅林)b, Ding Wei-ping (丁维平)c, Zhong Wei (钟伟)c, Du You-wei (都有为)c   

  1. a State Key Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China; Department of Physics, Nanjing Normal University, Nanjing 210097, China; b Department of Physics, Nanjing Normal University, Nanjing 210097,China; c State Key Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China
  • Received:1997-10-27 Revised:1998-05-11 Online:1998-10-20 Published:1998-10-20
  • Supported by:
    Project supported by the Natural Fundamental Research Program of the State Science and Technology Commission of China (Grant No.95-60 NMS).

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摘要： La0.82Sr0.18MnO3 have been investigated. With grain growth, both an evident decrease of magnetization and the lattice distortions have been simultaneously observed. The phenomenon suggests a structure-coupled change of magnetism in the hole-doped manganese perovskite.

Abstract: La0.82Sr0.18MnO3 have been investigated. With grain growth, both an evident decrease of magnetization and the lattice distortions have been simultaneously observed. The phenomenon suggests a structure-coupled change of magnetism in the hole-doped manganese perovskite.

中图分类号:  (Colossal magnetoresistance)

  • 75.47.Gk
75.60.Ej (Magnetization curves, hysteresis, Barkhausen and related effects) 61.66.Fn (Inorganic compounds)