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铽镓石榴石陶瓷制备及热光性能
作者:张学建1 2 刘卉昇1 2 朱红光1 2  凤3 葛晨娇1 2 李永涛1 2 张冠豪4 赵天润5 刘景和2 3 
单位:(1. 吉林建筑大学 长春 130018 2. 长春市结构与功能陶瓷工程研究中心 长春 130018 3. 长春理工大学 长春 130022  4. 东北师范大学附属中学 长春 130022 5. 长春吉大附中实验学校 长春 130012) 
关键词:铽镓石榴石 磁光陶瓷 Verdet常数 热膨胀系数 热光系数 
分类号:TQ174.75
出版年,卷(期):页码:2018,46(7):0-0
DOI:
摘要:

 铽镓石榴石(Tb3Ga5O12TGG)陶瓷具有大的Verdet常数和高的热导率等磁光性能。利用溶胶-凝胶法合成了TGG多晶料,采用真空烧结法制备出优质的TGG磁光陶瓷。采用X射线衍射、扫描电子显微镜和分光光度计等测试技术,对合成的TGG多晶料和陶瓷的性能进行了表征。结果表明:多晶料中的晶粒粒径小、分布均匀,可用于TGG陶瓷的制备。TGG磁光陶瓷的Verdet常数分别与温度和波长的平方成反比。对热膨胀系数和热光系数等热光性能进行了分析,发现降低温度,可有效抑制TGG陶瓷元件的热光效应。因此,制备的TGG磁光陶瓷可用于替代TGG磁光晶体。

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参考文献:

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