Synthesis, Characterization, and Microwave Dielectric Properties of Sr2−xLa2Mg1+xW2O12 (x=0, 1) Ceramics

SrLa2Mg2W2O12 and Sr2La2MgW2O12 ceramics were prepared by the conventional solid‐state ceramic route and their dielectric properties were investigated in the radio and microwave frequency regions. SrLa2Mg2W2O12 sintered at 1500°C has ɛr=25.2, Qu×f=15 900 GHz (at 4.9 GHz), and τf=0 ppm/°C. Sr2La2MgW2...

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Published inJournal of the American Ceramic Society Vol. 93; no. 9; pp. 2467 - 2469
Main Authors Venugopal, Vineeth, Anjana, Prabhakaran Sreekumari, Parkash, Om, Kumar, Devendra, Sebastian, Mailadil Thomas
Format Journal Article
LanguageEnglish
Published Malden, USA Blackwell Publishing Inc 01.09.2010
Subjects
Ceramics
Dielectric properties
Microwave frequencies
Microwaves
Radio
Sintering
Synthesis
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Summary:SrLa2Mg2W2O12 and Sr2La2MgW2O12 ceramics were prepared by the conventional solid‐state ceramic route and their dielectric properties were investigated in the radio and microwave frequency regions. SrLa2Mg2W2O12 sintered at 1500°C has ɛr=25.2, Qu×f=15 900 GHz (at 4.9 GHz), and τf=0 ppm/°C. Sr2La2MgW2O12 sintered at 1525°C has ɛr=24.7, Qu×f=35 000 GHz (at 4.7 GHz), and τf=−83 ppm/°C. The dielectric properties of these ceramics are reported for the first time.
Bibliography:istex:7BA48A7438567763D3F802A50F069FAD31D6319B
ArticleID:JACE03809
ark:/67375/WNG-DH87JK11-R
R. Ubic—contributing editor
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ISSN:0002-7820
1551-2916
DOI:10.1111/j.1551-2916.2010.03809.x