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	Improvement on the temperature coefficient of resonant frequency of hexagonal perovskites through intergrowth structures
	Zhao, Fei ; Yue, Zhenxing ; Pei, Jing ; Zhuang, Hao ; Gui, Zhilun ; Li, Longtu
	2010-05-10 ; 2010-05-10
关键词	MICROWAVE DIELECTRIC-PROPERTIES CRYSTAL-STRUCTURE COMPLEX PEROVSKITES CERAMICS PERMITTIVITY SYSTEM BA5NB4O15-BATIO3 SR Physics, Applied
中文摘要	Cation-deficient hexagonal perovskites Ba5Nb4O15, Ba6Nb4TiO18, and their intergrowth compounds were prepared by solid-state reaction method. Dielectric measurements showed that the intergrowth compounds had a relatively low temperature coefficient of resonant frequency (tau(f)) compared to that of the simple terms Ba5Nb4O15 and Ba6Nb4TiO18. On the basis of the structure data, the authors proposed a structural parameter d, the degree of atomic displacements, to evaluate the structural dependence of the temperature coefficient of resonant frequency. The reduced tau(f) value of intergrowths was considered to be resulted from the decreased degree of atomic displacements in the hexagonal perovskite structure. (c) 2006 American Institute of Physics.
语种	英语 ; 英语
出版者	AMER INST PHYSICS ; MELVILLE ; CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/21070]
专题	清华大学
推荐引用方式 GB/T 7714	Zhao, Fei,Yue, Zhenxing,Pei, Jing,et al. Improvement on the temperature coefficient of resonant frequency of hexagonal perovskites through intergrowth structures[J],2010, 2010.
APA	Zhao, Fei,Yue, Zhenxing,Pei, Jing,Zhuang, Hao,Gui, Zhilun,&Li, Longtu.(2010).Improvement on the temperature coefficient of resonant frequency of hexagonal perovskites through intergrowth structures..
MLA	Zhao, Fei,et al."Improvement on the temperature coefficient of resonant frequency of hexagonal perovskites through intergrowth structures".(2010).

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