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Effect of Bismuth Borate/LiF on the Sintering, Thermal, and Microwave Dielectric Properties of Ba 6−3 x Sm 8+2 x Ti 18 O 54 ( x =2/3) Solid Solution
Author(s) -
Santha Narayana Iyer
Publication year - 2008
Publication title -
international journal of applied ceramic technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.4
H-Index - 57
eISSN - 1744-7402
pISSN - 1546-542X
DOI - 10.1111/j.1744-7402.2008.02209.x
Subject(s) - materials science , bismuth , microstructure , sintering , boron , raman spectroscopy , dielectric , microwave , composite number , analytical chemistry (journal) , mineralogy , composite material , metallurgy , optics , optoelectronics , chemistry , physics , organic chemistry , chromatography , quantum mechanics
Ba 6−3 x Sm 8+2 x Ti 18 O 54 ( x =2/3) (BST) was prepared by the solid‐state method and the effect of bismuth borate (BB)/LiF on the sinterability, microstructure, and thermal and microwave dielectric properties were studied. BST+3.5 wt% BB+0.5 wt% LiF composite sintered at 1050°C has Q × f =4500 GHz, ɛ=52, and τ f =+6 ppm/°C. Raman spectrum of the composite was compared with that of BST and the structural changes were investigated.