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Abstract: | Ceramic dielectrics with high dielectric constant in the microwave frequency range are used as filters, oscillators [I], etc. in microwave integrated circuits (MICs) particularly in modern communication systems like cellular telephones and satellite communications. Such ceramics, known as 'dielectric resonators (DRs),donot only offer miniaturisation and reduce the weight of the microwave components. but also improve the efficiency of MICs |
URI: | http://dyuthi.cusat.ac.in/purl/1437 |
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Dielectric properties of Ba5Nb4O15 ceramic.PDF | (1.376Mb) |
Dielectric properties of Ba5Nb4O15 ceramic.PDF | (1.376Mb) |
Abstract: | Ceramic dielectric resonators in the BaO-RE2O3-TiO2 (RE = rare earth) system have been prepared by the conventional solid state ceramic route. The dielectric properties have been tailored by substitution of different rare earth oxides and by bismuth oxide addition. The dielectric constants increased with Bi addition whereas the 0 decreased. The temperature coefficient of the resonant frequency improved with bismuth addition |
URI: | http://dyuthi.cusat.ac.in/purl/1445 |
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Tailoring the m ... mpositional variations.PDF | (4.793Mb) |
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