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	The influence of La/sub 2/O/sub 3/ additive on the dielectric properties of Ba/sub 0.6/Sr/sub 0.4/TiO/sub 3/-MgO bulk ceramics
	Chunlai Xu ; Heping Zhou
	2010-05-10 ; 2010-05-10
关键词	Experimental/ barium compounds ceramics dielectric losses doping ferroelectric materials lanthanum compounds magnesium compounds permittivity strontium compounds/ dielectric property bulk ceramics doping content crystal plane dielectric constant dielectric loss 1 MHz Ba/sub 0.6/Sr/sub 0.4/TiO/sub 3/-MgO-La/sub 2/O/sub 3// A7720 Dielectric permittivity A6170T Doping and implantation of impurities A7740 Dielectric loss and relaxation A7780 Ferroelectricity and antiferroelectricity/ frequency 1.0E+06 Hz/ Ba0.6Sr0.4TiO3MgOLa2O3/ss Ba0.6/ss Sr0.4/ss TiO3/ss La2/ss O3/ss Ba/ss La/ss Mg/ss Sr/ss Ti/ss O/ss
中文摘要	The influence of La/sub 2/O/sub 3/-doping on the dielectric properties of Ba/sub 0.6/Sr/sub 0.4/TiO/sub 3/-6wt%MgO was studied. With the increase of La/sub 2/O/sub 3/-doping content, the space between adjacent parallel crystal planes of BST-MgO composite first became larger, then smaller. Proper quantity of La/sub 2/O/sub 3/ could ensure moderate dielectric constant and reduce the dielectric loss of BST-MgO composite at high frequency, but excess quantity of La/sub 2/O/sub 3/ would lower dielectric constant. When the La/sub 2/O/sub 3/-doping content was 0.2wt%, the dielectric constant and loss of BST-MgO composite were equal to 93.2 and 0.005 (1MHz), respectively. And the dielectric constant tunability could be obtained to 12.1% (21kV/cm).
语种	英语 ; 英语
出版者	Trans Tech Publications ; Switzerland
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/21503]
专题	清华大学
推荐引用方式 GB/T 7714	Chunlai Xu,Heping Zhou. The influence of La/sub 2/O/sub 3/ additive on the dielectric properties of Ba/sub 0.6/Sr/sub 0.4/TiO/sub 3/-MgO bulk ceramics[J],2010, 2010.
APA	Chunlai Xu,&Heping Zhou.(2010).The influence of La/sub 2/O/sub 3/ additive on the dielectric properties of Ba/sub 0.6/Sr/sub 0.4/TiO/sub 3/-MgO bulk ceramics..
MLA	Chunlai Xu,et al."The influence of La/sub 2/O/sub 3/ additive on the dielectric properties of Ba/sub 0.6/Sr/sub 0.4/TiO/sub 3/-MgO bulk ceramics".(2010).

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