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Magnetic and Crystalline Microstructures of the Sr-La-Co M-type Ferrites by Magnetic Force Microscopy

         

摘要

@@ With proper erosion of sample surface and making a grid of crystal boundaries, the magnetic and crystalline microstructures of Sr-La-Co M-type ferrites of nominal composition of La0.2Sr08Fe11.8Co0.2 O19 (at.%) have been investigated by using magnetic force microscopy.By calculating average diameter and thickness, and average alignment degree of the grains of the ferrites, recognizing their domain patterns and calculating the proportion of grains with single domain or multi-domains, the Sr-La-Co M-type ferrites with high magnetic performance have been characterized at microcrystalline and micromagnetic level.In addition, we has interpreted why the grains always present plate-like domains.

著录项

  • 来源
    《中国物理快报:英文版》 |2005年第4期|942-945|共4页
  • 作者单位

    State Key Laboratory of Magnetism, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics,Chinese Academy of Sciences, Beijing 100080;

    Central Research Institute, Hengdian Group DMEGC Magnetics Stock CO.LTD., Dongyang 322118;

    School of Physics and Microelectronics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100;

    Central Research Institute, Hengdian Group DMEGC Magnetics Stock CO.LTD., Dongyang 322118;

    Central Research Institute, Hengdian Group DMEGC Magnetics Stock CO.LTD., Dongyang 322118;

    School of Physics and Microelectronics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100;

    State Key Laboratory of Magnetism, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics,Chinese Academy of Sciences, Beijing 100080;

  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 物理学;
  • 关键词

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