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Preparation, Characterization, and Microwave Properties of RETiNbO 6 (RE = Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Y, and Yb) Dielectric Ceramics
Author(s) -
Sebastian Mailadil T.,
Solomon Sam,
Ratheesh Ravindran,
George Jacob,
Mohanan Pezholil
Publication year - 2001
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.2001.tb00865.x
Subject(s) - ceramic , materials science , dielectric , microwave , analytical chemistry (journal) , temperature coefficient , mineralogy , chemistry , optoelectronics , metallurgy , composite material , telecommunications , chromatography , computer science
Microwave ceramic dielectric resonators (DRs) based on RETiNbO 6 (RE = Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Y, and Yb) have been prepared using the conventional solid‐state ceramic route. The DR samples are characterized using XRD and SEM methods. The microwave dielectric properties are measured using resonant methods and a net work analyzer. The ceramics based on Ce, Pr, Nd, and Sm have dielectric constants in the range 32–54 and positive coefficient of thermal variation of resonant frequency (τ f ). The ceramics based on Gd, Tb, Dy, Y, and Yb have dielectric constants in the range 19–22 and negative τ f .