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

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Abstract:

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 r=25.2, Qu×f=15 900 GHz (at 4.9 GHz), and f=0 ppm/°C. Sr2La2MgW2O12 sintered at 1525°C has r=24.7, Qu×f=35 000 GHz (at 4.7 GHz), and f=−83 ppm/°C. The dielectric properties of these ceramics are reported for the first time.

Document Type: Research Article

DOI: https://doi.org/10.1111/j.1551-2916.2010.03809.x

Affiliations: 1: Department of Ceramic Engineering, Institute of Technology, Banaras Hindu University, Varanasi 221005, India 2: National Institute for Interdisciplinary Science and Technology (CSIR), Trivandrum 685019, India

Publication date: 2010-09-01

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