Local probing of magnetoelectric coupling in multiferroic composites of BaFe12O19-BaTiO3

被引：37

作者：

Karpinsky, D. V. ^{[1
,2
]}

Pullar, R. C. ^{[1
,2
]}

Fetisov, Y. K. ^{[3
]}

Kamentsev, K. E. ^{[3
]}

Kholkin, A. L. ^{[1
,2
]}

机构：

[1] Univ Aveiro, Dept Ceram & Glass Engn, P-3810193 Aveiro, Portugal

[2] Univ Aveiro, CICECO, P-3810193 Aveiro, Portugal

[3] Moscow State Inst Radio Engn Elect & Automat Tech, Moscow 117454, Russia

来源：

JOURNAL OF APPLIED PHYSICS | 2010年 / 108卷 / 04期

关键词：

M-TYPE HEXAFERRITES; BATIO3-COFE2O4; NANOSTRUCTURES; MAGNETIC-PROPERTIES; BARIUM HEXAFERRITE; TITANATE; FERRITE; MICROSTRUCTURE; HYSTERESIS;

D O I：

10.1063/1.3474967

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The BaFe12O19-BaTiO3 composite ferroelectric/ferromagnetic ceramics were prepared by conventional solid-state sintering technique. The magnetic properties are consistent with the ratio of the magnetic phase present but ferroelectric properties are degraded due to a sufficiently high degree of conductivity in the ceramics. Magnetoelectric coupling was observed at a local level by means of the scanning probe microscopy (SPM). Piezoresponse and magnetic force modes of SPM were both utilized to assess strain-mediated magnetoelectric coupling between neighboring grains. The observed variation in the magnetic signal after the electrical poling with SPM was attested to the changes in the magnetic interactions and magnetic anisotropy leading to broadening of the magnetic domain wall. (C) 2010 American Institute of Physics. [doi:10.1063/1.3474967]

引用

页数：5

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