ChemInform Abstract: Synthesis of Magnetic and Multiferroic Materials from Polyvinyl Alcohol‐Based Gels

Lisnevskaya, I. V.; Bobrova, Irina; Лупейко, Т. Г.

doi:10.1002/chin.201549206

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“…The decrease in piezoelectric properties of 1-3 composites compared to those of 3-1 ones can be explained by the substrate clamping effect: PZT fibers are clamped by ferrite matrix. This effect was observed in Lisnevskaya et al, 33 when comparing the properties of 3-0 and 3-0 particulate piezoelectric/ferrite ME composites, it was 3)-( 5) are given for 1-3 composites. As can be seen, with the increase in volume fraction of piezoelectric phase in a composite, d 33 and K 33 show remarkable increase, and calculated values are slightly higher than experimental ones for the same reason that it was in the case of coefficient Àd 31 .…”

Section: Resultssupporting

confidence: 54%

Investigation of the influence of various factors on the dielectric, piezoelectric, and magnetoelectric properties of 1-3, 3-1, and 1-1 multiferroic composites

Lisnevskaya

Лупейко

2016

Journal of Composite Materials

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Technique to fabricate magnetoelectric piezoelectric/magnetostrictive ferrite composites with 1-3, 3-1, 1-1 connectivities through binding uniformed by size and package ceramic elements was developed. Advantage of this technique is the use of piezoceramic which was previously poled under optimal conditions; this is important, because piezoelectric phase embedded in magnetoelectric composite is difficult to pole due to the high electrical conductivity of adjacent ferrite phase. The effect of piezoelectric material type, volume ratio of phases, and linear size of repeating fragment on the dielectric, piezoelectric, and magnetoelectric properties of ν PZT + (1−ν) NiCo0.02Cu0.02Mn0.1Fe1.8O4−δ ( v – volume fraction of piezoelectric, PZT – commercial grades of lead–zirconate–titanate such as PZT-36, PZTNB-1, PZTST-2, PZTTBS-2, PZT-19) composites is studied. It is shown that, with an equal volume ratio of phases, composites based on piezoceramics with high piezoelectric voltage coefficient gij (PZT-36, PZTNB-1) exhibit the most prominent magnetoelectric coupling efficiency. Decrease in the linear size of repeating fragment lΣ also contributes to an increase in Δ E/Δ H coefficient. Given other conditions being equal, 1-1 type composites commonly exhibit the highest values of magnetoelectric coefficient. Maximal values of magnetoelectric coefficient Δ E/Δ H for 0.5 PZT-36 + 0.5 NiCo0.02Cu0.02Mn0.1Fe1.8O4−δ magnetoelectric heterostructures reach ∼500 mV/(cm·Oe) at a frequency of 1 kHz.

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Section: Resultssupporting

confidence: 54%

Investigation of the influence of various factors on the dielectric, piezoelectric, and magnetoelectric properties of 1-3, 3-1, and 1-1 multiferroic composites

Lisnevskaya

Лупейко

2016

Journal of Composite Materials

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ChemInform Abstract: Synthesis of Magnetic and Multiferroic Materials from Polyvinyl Alcohol‐Based Gels

Abstract: Gels -[50 refs.]. -(LISNEVSKAYA, I. V.; BOBROVA, I. A.; LUPEIKO, T. G.; J. Magn. Magn. Mater. 397 (2016) 86-95, http://dx.

Cited by 1 publication

References 1 publication

Investigation of the influence of various factors on the dielectric, piezoelectric, and magnetoelectric properties of 1-3, 3-1, and 1-1 multiferroic composites

Investigation of the influence of various factors on the dielectric, piezoelectric, and magnetoelectric properties of 1-3, 3-1, and 1-1 multiferroic composites

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