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URI: | http://dyuthi.cusat.ac.in/purl/1700 |
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Dyuthi-T0208.pdf | (5.832Mb) |
Abstract: | The (Ba1-x Srx) (Nd1/2, Nb1/2) O3 ceramics have been prepared by the conventional ceramic route for different values of x. Addition of a small amount of CeO2(1 wt%) as a sintering aid increased the density of the samples. The structure and microstructure of the sintered samples are studied by X-ray diffraction and SEM methods. The dielectric properties of the samples are measured in the microwave frequency region as a function of composition. The dielectric constant decreases as x increases. The coefficient of thermal variation of resonant frequency decreases as the Sr content increases and goes to the negative side. The dielectric properties of (Ba1-x Srx) (Nd1/2, Nb1/2) O3 are in the range suitable for application as dielectric resonators in microwave circuits |
URI: | http://dyuthi.cusat.ac.in/purl/1438 |
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Sreemoolanadhan H and others.PDF | (2.413Mb) |
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