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低温烧结BaCoTiFe10O19铁氧体的微结构及高频磁性能
  • ISSN号：1001-3830
  • 期刊名称：《磁性材料及器件》
  • 时间：0
  • 分类：TM277[电气工程—电工理论与新技术;一般工业技术—材料科学与工程]
  • 作者机构：[1]电子科技大学微电子与固体电子学院,四川成都610054
  • 相关基金：国家自然科学基金资助项目（50872017）：国家自然科学基金创新群体项目（60721001）：科技部国际合作项目（2006DFA53410,2007DFR10250）;国家基础研究（973）资助项目（2007CB31407）.
作者： 殷水明[1], 贾利军[1], 张怀武[1], 李涛[1]
关键词： BaCoTiFe10O19铁氧体, Bi2O3添加, 微结构, 高频磁性能, 二次再结晶, BaCoTiFe10O19 ferrite, Bi2O3 addition, microstructure, high-frequency magnetic properties, recrystallization
中文摘要：

采用传统陶瓷工艺制备了BaCoTiFe10O19铁氧体，结合相结构、显微形貌分析和对材料磁化机理的讨论，主要研究了Bi2O3加入量和烧结温度对钡铁氧体高频磁性的影响。实验表明，起始磁导率和共振频率随Bi2O3加入量的变化存在极值，当Bi2O3的加入量为7．5mol％时钡铁氧体具有较高的磁导率和较低的磁共振频率，偏离7．5mol％均导致磁导率的降低和磁共振频率的升高；高烧结温度导致晶粒尺寸的长大和品格结构的完善，有利于提高材料的磁导率，同时降低磁共振频率。

英文摘要：

BaCoTiFe10O19 ferrites were prepared by traditional ceramics method. Effect of additive amount of bismuth oxide and sintering temperature on microstrueture and high-frequency magnetic properties were studied with XRD, SEM and the measurements of complex permeability. It indicated that barium ferrite with additive amount of bismuth oxide 7.5mol% has the lowest magnetic resonant frequency and the highest initial permeability, any deviation from 7.5mol% will results in higher resonant frequency and lower initial permeability. Higher sintering temperature is corresponding to higher initial permeability by enlarging magnetic particles and perfecting the crystallinenature, but resonant frequency decreases.

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期刊信息
  • 《磁性材料及器件》
  • 北大核心期刊（2011版）
  • 主管单位:工业和信息化部
  • 主办单位:西南应用磁学研究所
  • 主编：俞国俊
  • 地址：四川省绵阳市滨河北路西段268号
  • 邮编：621000
  • 邮箱：yuguojun8021@163.com mmj@siam.cn
  • 电话：0816-2555082
  • 国际标准刊号：ISSN：1001-3830
  • 国内统一刊号：ISSN：51-1266/TN
  • 邮发代号:
  • 获奖情况:
  • 2007-2008年度工业和信息化部优秀电子科技期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）
  • 被引量:3599