Microwave dielectric properties of Co2La4Ti3Si4O22 ceramics

dc.contributor.author	Chameswary, J
dc.contributor.author	Sherin Thomas
dc.contributor.author	Sebastian, M T
dc.date.accessioned	2014-01-23T07:04:37Z
dc.date.available	2014-01-23T07:04:37Z
dc.date.issued	2010
dc.identifier.citation	Journal of the American Ceramic Society 93(7):1863-1865;Jul 2010	en_US
dc.identifier.issn	0002-7820
dc.identifier.uri	http://ir.niist.res.in:8080/jspui/handle/123456789/1129
dc.description.abstract	Co2La4Ti3Si4O22 ceramic was synthesized by the conventional solid-state ceramic route. The structure and microstructure of the sintered ceramics were characterized by X-ray diffraction (XRD) and scanning electron microscopic techniques. XRD study showed the presence of SiO2 as a secondary phase. Attempts were made to obtain phase-pure material by preparing nonstoichiometric Co2La4Ti3Si(4-x)O(22-delta) (where x=0.02, 0.05, 0.1, 0.25, and 0.5) ceramics. The secondary phase of SiO2 could be effectively suppressed for x=0.1 with good microwave dielectric properties. The Co2La4Ti3Si3.9O(22-delta) has epsilon(r)=17.4, Q(u) x f=48 700 GHz, and tau(f)=-155 ppm/degrees C	en_US
dc.language.iso	en	en_US
dc.publisher	Wiley	en_US
dc.subject	Complex permittivity	en_US
dc.subject	Forsterite ceramics	en_US
dc.subject	Perrierite	en_US
dc.title	Microwave dielectric properties of Co2La4Ti3Si4O22 ceramics	en_US
dc.type	Article	en_US