Microwave dielectric properties of A(6)B(5)O(18)-type perovskites

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DC Field	Value	Language
dc.contributor.author	Santha, N I	-
dc.contributor.author	Sebastian, M T	-
dc.date.accessioned	2015-05-23T06:37:17Z	-
dc.date.available	2015-05-23T06:37:17Z	-
dc.date.issued	2007	-
dc.identifier.citation	Journal of the American Ceramic Society 90(2):496-501;Feb 2007	en_US
dc.identifier.issn	0002-7820	-
dc.identifier.uri	http://ir.niist.res.in:8080/jspui/handle/123456789/1833	-
dc.description.abstract	Cation-deficient perovskites with the general formula A(6)B(5)O(18) (A=Ba, Sr, La; B=Nb, Ta, Ti, Zr, Mg, and Zn) have been synthesized and their microwave dielectric properties have been investigated. X-ray diffraction studies indicate the formation of monophase materials. The structures of Ba6Ta4TiO18 and Ba5SrTa4TiO18 are different from that of Sr6Ta4TiO18. The A(6)B(5)O(18) have Q x f in the range 5600-51 000 GHz, dielectric constants 26-48, and the temperature coefficient of resonant frequency varies from -39 to +83 ppm/degrees C, depending on the composition. Scanning electron microscopy studies show that the grain size decreases with an increase in the Sr content.	en_US
dc.language.iso	en	en_US
dc.publisher	Blackwell Publishing	en_US
dc.subject	Crystal-structure	en_US
dc.subject	Hexagonal perovskites	en_US
dc.subject	(Ba,La)(N)Tin-1o3n	en_US
dc.subject	Ba5nb4o15-Batio3	en_US
dc.subject	Ba3la3ti4nbo18	en_US
dc.title	Microwave dielectric properties of A(6)B(5)O(18)-type perovskites	en_US
dc.type	Article	en_US
niist.citation		-
Appears in Collections:	2007

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