Magnetoelectric Effect in Metglas/Piezoelectric Macrofiber Composites

Гречишкин, Р. М.; Kaplunov, I. A.; Ilyashenko, S. E.; Lebedev, Gor; Malyshkina, O. V.; Mamkina, N. O.; Zalyotov, A B

doi:10.1080/00150193.2011.623939

Cited by 8 publications

(1 citation statement)

References 22 publications

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“…-layered composites in which layers of ferroelectric and magnetic materials interchange [9,10]; -polymer magnetic materials containing ferroelectric ceramics [11].…”

Section: Introductionmentioning

confidence: 99%

Effect of sintering temperature on dielectric properties of barium titanate ceramics and composite

Malyshkina¹,

Shishkov²,

Martyanov³

et al. 2020

MoEM

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The structure and dielectric properties of barium titanate ceramics samples sintered at 1100, 1150, 1200, 1250 and 1350 °C have been compared with the dielectric properties of 80 vol.% barium titanate + 20 vol.% barium ferrite composite samples sintered at 1150, 1200 and 1250 °C. It has been shown that polarization sufficient for existence of the piezoelectric effect is only achieved in barium titanate samples sintered at 1250 and 1350 °C. Furthermore the pyroelectric coefficient and reversal polarization of these samples are far higher than those of samples sintered at lower temperatures. Analysis of the sample structures has confirmed that the dielectric properties of barium titanate ceramics depend on grain size and therefore on sintering temperature. Based on the experimental results we have selected the optimum sintering temperature for 80 vol.% barium titanate + 20 vol.% barium ferrite composite to be 1250 °С. Further increase in sintering temperature to 1300 °C showed that this composite has a eutectic. The temperature dependence of the permittivity of the barium titanate / barium ferrite composite sintered at 1250 °С is similar to that of BaTiO3 ceramics samples sintered at 1350 °С. The room temperature permittivity of the composite samples also proves to be far higher than that of barium titanate ceramics samples sintered at the same temperatures. Barium ferrite addition to barium titanate increases the permittivity of the composite and also diffuses the ferroelectric phase transition and shifts the permittivity maximum temperature by 10 °C towards higher temperatures.

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“…-layered composites in which layers of ferroelectric and magnetic materials interchange [9,10]; -polymer magnetic materials containing ferroelectric ceramics [11].…”

Section: Introductionmentioning

confidence: 99%

Effect of sintering temperature on dielectric properties of barium titanate ceramics and composite

Malyshkina¹,

Shishkov²,

Martyanov³

et al. 2020

MoEM

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In a search for effective giant magnetoelectric coupling: Magnetically induced elastic resonance in Ni-Mn-Ga/P(VDF-TrFE) composites

Martins

Lima

L’vov

et al. 2022

Applied Materials Today

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Magneto-optical imaging and analysis of magnetic field micro-distributions with the aid of biased indicator films

Гречишкин

Kustov

Ilyashenko

et al. 2016

Journal of Applied Physics

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Magneto-optical imaging films (MOIFs) were used for the study of magnetic stray field distributions above topographically and thermomagnetically patterned permanent magnet films and other miniature elements that could be used in magnetic micro-systems. Calibrated external bias fields were applied to the samples in situ to simplify the graduation procedure, to expand the measurement range and to minimize the measurement errors. Both uniaxial and planar MOIF were used to make quantitative measurements. A scheme for the fast reconstruction of magnetic serial sections of non-uniform field profiles is proposed. The usefulness of biased MOIF imaging is illustrated by a number of specific examples, such as mechanical hole-drilling adapted to the case of magnetic analysis, dynamic range expansion beyond the limits set by MOIF saturation, rendering surface magnetic flux variations at the microscale and in the presence of strong background.

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Magnetoelectric Effect in Metglas/Piezoelectric Macrofiber Composites

Cited by 8 publications

References 22 publications

Effect of sintering temperature on dielectric properties of barium titanate ceramics and composite

Effect of sintering temperature on dielectric properties of barium titanate ceramics and composite

In a search for effective giant magnetoelectric coupling: Magnetically induced elastic resonance in Ni-Mn-Ga/P(VDF-TrFE) composites

Magneto-optical imaging and analysis of magnetic field micro-distributions with the aid of biased indicator films

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