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掺Mn对Ca0.6La0.8/3TiO3陶瓷微波介电性能的影响
作者:庞锦标 窦占明     
单位:中国振华集团云科电子有限公司 贵阳 550018 
关键词:微波陶瓷 掺杂 固相反应 介电性能 
分类号:TB321
出版年,卷(期):页码:2017,45(9):0-0
DOI:
摘要:

采用固相反应法制备Mn掺杂Ca0.6La0.8/3(Ti1–xMnx)O3陶瓷,研究了掺杂离子对其相结构和微波介电性能的影响。结果表明:Mn掺杂样品为单一的正交晶系钙钛矿结构;样品体积密度以及Q×f0值随着MnO2含量的增加呈现出先增大后减小趋势;而介电常数εr随着MnO2含量的增加仅有小幅度降低;MnO2的加入有助于谐振频率温度系数f的降低。当Mn掺杂量为0.015时,样品具有较佳的微波性能:εr=113、Q×f0=9 877 GHz和f =186×10–6/℃。

 
基金项目:
博士后科学基金(2015M582537);国防科工局基础科研项目(JCKY2016C211007);贵州省重大专项(20163011);贵州省工业攻关项目(20153005);工信部强基工程项目(0714-EMTC02-5271/3)资助。
作者简介:
庞锦标(1984—),男,博士,高级工程师。
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