Microwave dielectric properties of novel rare earth based silicates: RE2Ti2SiO9 [RE = La, Pr and Nd]

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Title:	Microwave dielectric properties of novel rare earth based silicates: RE2Ti2SiO9 [RE = La, Pr and Nd]
Authors:	Sherin, T Sayoojyam, B Sebastian, M T
Keywords:	Ceramics Crystal-structure Rare earth based silicates
Issue Date:	2011
Publisher:	Springer
Citation:	Journal of Materials Science: Materials In Electronics 22(9):1340-1345;Sep 2011
Abstract:	The RE2Ti2SiO9 [RE = La, Nd and Pr] ceramics are synthesized by solid state ceramic route. These materials exhibit a relative permittivity of about 30 with quality factor in the range 19,600-33,700 GHz. They also showed relatively low values of tau(f). The microwave dielectric properties of these materials are studied for the first time. The La2-xPrxTi2SiO9 [x = 0-2] based solid solution are also synthesized and single phase is confirmed over the whole composition range. The lattice parameters showed a linear variation with increasing x which can be well correlated with the ionic radius of the RE3+ ions.
URI:	http://ir.niist.res.in:8080/jspui/handle/123456789/1034
ISSN:	0957-4522
Appears in Collections:	2011

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