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首页> 外文期刊>Journal of Crystal Growth >Ba-hexaferrite quasi-single crystals prepared with single-domain crystallites fabrication, structural characterization and magnetic properties
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Ba-hexaferrite quasi-single crystals prepared with single-domain crystallites fabrication, structural characterization and magnetic properties

机译:单畴微晶制备Ba-六铁氧体准单晶

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摘要

As a good gyromagnetic material for the applications in microwave and millimeter wave devices, Ba-hexaferrite quasi-single crystals have been successfully fabricated by using its nanosized single-domain crystallites as the starting materials via press-forming in magnetic field and sintering with minor liquid phase participation at 1280 ℃ for 10 h. The material is characterized by a highly densified and laminar fracture microtexture with a grain orientation degree of as high as 99% and shows a single-crystal magnetization behavior featured by 4πMs=4654 Gs, H_a=16800 Oe and H_c=120 Oe, suggesting a narrower ferromagnetic resonance linewidth AH than the counterpart fabricated by solid-state sintering technique.
机译:作为一种适用于微波和毫米波设备的良好的旋磁材料,通过以磁场压制成型并用少量液体烧结,以其纳米尺寸的单畴微晶为起始材料,成功制备了Ba-六价铁氧体准单晶。相参与1280℃10 h。该材料的特征是高度致密的层状断裂微观组织,晶粒取向度高达99%,并显示出4πMs= 4654 Gs,H_a = 16800 Oe和H_c = 120 Oe的单晶磁化行为。与通过固态烧结技术制造的铁磁谐振线宽相比,铁磁谐振线宽AH窄。

著录项

  • 来源
    《Journal of Crystal Growth》 |2009年第8期|2363-2366|共4页
  • 作者单位

    School of Materials Science and Engineering, Nanjing University of Technology, Nanjing 210009, PR China;

    School of Materials Science and Engineering, Nanjing University of Technology, Nanjing 210009, PR China;

    School of Materials Science and Engineering, Nanjing University of Technology, Nanjing 210009, PR China;

    School of Materials Science and Engineering, Nanjing University of Technology, Nanjing 210009, PR China;

    School of Materials Science and Engineering, Nanjing University of Technology, Nanjing 210009, PR China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    A1. Quasi-single crystal structure; A2. Liquid participation sintering; B1. Barium compounds; B2. Magnetic materials;

    机译:A1。准单晶结构;A2。液体参与烧结;B1。钡化合物;B2。磁性材料;

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