Dielectric properties of BaTiO3 modified with ZrO2

Molokhia, N. M.; Issa, M. A. A.

doi:10.1007/bf02848190

Cited by 8 publications

(2 citation statements)

References 5 publications

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“…1. In addition, the increase in dielectric constant could be attributed to diffusion of Zr + into the BaTiO3 lattice 15) as well as its effect in decreasing the grain size.…”

Section: Methodsmentioning

confidence: 99%

Characterization of mechanical properties of BaTiO3 ceramic with different types of sintering aid by nanoindentation

Ryu

Kim

2009

J. Ceram. Soc. Japan

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The influence of glass composition on mechanical property of BaTiO3 ceramics was investigated with nanoindentation technique and also its effect on densification and dielectric property was analyzed. Two different glasses of BaO-CaO-SiO2 and BaO-ZrO2-SiO2 system were used as the sintering aid of BaTiO3 powder. It was found that the addition of BaO-ZrO2-SiO2 glass to BaTiO3 was beneficial for the densification compared to that of BaO-CaO-SiO2 glass, resulting in high dielectric constant over 2500, the hardness vale of 13.6 GPa and the elastic modulus of 167.9 GPa after sintering at 1240°C.

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“…1. In addition, the increase in dielectric constant could be attributed to diffusion of Zr + into the BaTiO3 lattice 15) as well as its effect in decreasing the grain size.…”

Section: Methodsmentioning

confidence: 99%

Characterization of mechanical properties of BaTiO3 ceramic with different types of sintering aid by nanoindentation

Ryu

Kim

2009

J. Ceram. Soc. Japan

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“…The apparatus has been described in detail previously. 4 The measurements were carried out at temperatures between 0 and 140°C. The accuracy of measurements was estimated to be 1 % for the dielectric constant and 2% for loss tangent.…”

Section: Measurementsmentioning

confidence: 99%

The dielectric behaviour of lithium acetylacetonate

Molokhia¹,

El-Shahat²

1981

J. Chem. Technol. Biotechnol.

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The dielectric constant and loss tangent of lithium acetylacetonate [Li(ac.ac)] have been measured at different frequencies for different temperatures. The results show that the dielectric behaviour of Li(ac.ac) is different from that of Na(ac.ac) and K(ac.ac) which exhibit a ferroelectric-like behaviour. The activation energy of Li (ac.ac) was found to be 0.54 eV, nearly half the value for K(ac.ac). The infrared absorption spectra of Li(ac.ac) shows that in this compound the lithium metal resembles group I1 rather than group I.

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The dielectric behaviour of lithium acetylacetonate

Molokhia

El-Shahat

1981

J. Chem. Technol. Biotechnol.

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The dielectric constant and loss tangent of lithium acetylacetonate [Li(ac.ac)] have been measured at different frequencies for different temperatures. The results show that the dielectric behaviour of Li(ac.ac) is different from that of Na(ac.ac) and K(ac.ac) which exhibit a ferroelectric‐like behaviour. The activation energy of Li (ac.ac) was found to be 0.54 eV, nearly half the value for K(ac.ac). The infrared absorption spectra of Li(ac.ac) shows that in this compound the lithium metal resembles group II rather than group I.

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Dielectric properties of BaTiO3 modified with ZrO2

Cited by 8 publications

References 5 publications

Characterization of mechanical properties of BaTiO3 ceramic with different types of sintering aid by nanoindentation

Characterization of mechanical properties of BaTiO3 ceramic with different types of sintering aid by nanoindentation

The dielectric behaviour of lithium acetylacetonate

The dielectric behaviour of lithium acetylacetonate

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