2013
DOI: 10.1007/s10832-013-9865-1
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Effect of cobalt doping on the dielectric response of Ba0.95Pb0.05TiO3 ceramics

Abstract: Dielectric response of Ba 0.95 Pb 0.05 TiO 3 ceramics doped with 0.1 and 1 wt.% of Co 2 O 3 , synthesized by conventional high-temperature method, was studied in wide temperature and frequency range. The temperature dependences of the real and the imaginary parts of dielectric permittivity of the ceramics were compared with those of BaTiO 3 and Ba 0.95 Pb 0.05 TiO 3. The addition of Co 3+ ions results in a broadening of dielectric anomalies related to the transition to paraelectric cubic phase, and the structu… Show more

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Cited by 15 publications
(12 citation statements)
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“…9. The figure shows the phase transitions changes which agree with the phase transitions observed in DSC measurements in the paper [20]. In Fig.…”
Section: Ir Measurementssupporting
confidence: 87%
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“…9. The figure shows the phase transitions changes which agree with the phase transitions observed in DSC measurements in the paper [20]. In Fig.…”
Section: Ir Measurementssupporting
confidence: 87%
“…Comparison of structural parameters of 0.3, 0.5 and 2.0%-doped BPTC samples with the corresponding data for the un-doped BPT and BPTC-0.1 and BPTC-1.0 specimens investigated recently shows that initially the Co-doping led to considerable decrease of the tetragonality (c=a) of the perovskite lattice [19,20]. However, this effect becomes less pronounced, and vanishes when the nominal Co content is higher than $ 1% (Fig.…”
Section: Resultsmentioning
confidence: 83%
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“…The empirical factor DT cm is used as a measure of the extent of deviation from the CurieWeiss law. [15][16][17] The scope of divergence of e from the Curie-Weiss law can be described by DT cm as follows: DT cm D T dev -T m where T dev is the temperature when e begins to divert from the Curie-Weiss law and T m corresponds to the temperature of the dielectric maximum.…”
Section: Resultsmentioning
confidence: 99%