Magnetoelectric response and internal friction in two-layer ceramic composites based on Mn0.4Zn0.6Fe2O4 magnetostrictor and PbZr0.53Ti0.47O3 piezoelectric

被引：4

作者：

Kalgin, A. V. ^{[1
,2
]}

Kobyakov, I. Y. ^{[1
]}

机构：

[1] Voronezh State Tech Univ, Voronezh 394026, Russia

[2] Voronezh State Univ, Voronezh 394018, Russia

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2022年 / 899卷

基金：

俄罗斯科学基金会;

关键词：

Two-layer composite; Ferrite; Ferroelectric ceramics; Magnetoelectric coefficient; Internal friction; Domain boundary; Crystal-lattice defect;

D O I：

10.1016/j.jallcom.2021.163318

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Magnetoelectric (ME) and anelastic properties of two-layer ceramic composites based on Mn0.4Zn0.6Fe2O4 magnetostrictor and PbZr0.53Ti0.47O3 piezoelectric at DC magnetic field strengths of 0-220 Oe, temperatures of 293-393 K, and volume fractions of PbZr0.53Ti0.47O3 of 0.40-0.67 were studied. It was found that a converse ME coupling coefficient alpha(31) increases with the DC magnetic field strength H-1, passes through a maximum with the volume fraction nu, and decreases as temperature T rises. Dependences of alpha(31) on H-1, nu, and T are explained using a model of effective parameters of a heterogeneous medium. The inverse correlation is revealed between alpha(31) and an internal friction at resonant frequencies. Dependences of the internal friction on H-1, nu, and T are associated with the interaction of ferroelectric domain boundaries with crystal-lattice defects. (C) 2021 Elsevier B.V. All rights reserved.

引用

页数：6

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