The lock-in technique for studying magnetoelectric effect

被引：157

作者：

Giap V. Duong

Groessinger, R.

Schoenhart, M.

Bueno-Basques, D.

机构：

[1] Vienna Univ Technol, Inst Solid State Phys, A-1040 Vienna, Austria

[2] Hanoi Univ Technol, Fac Chem Engn, Hanoi, Vietnam

[3] CIMAV, Chihuahua 31109, Mexico

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2007年 / 316卷 / 02期

基金：

奥地利科学基金会;

关键词：

magnetoelectric effect; lock-in technique; measuring technique; dynamic method; multiferroic composite;

D O I：

10.1016/j.jmmm.2007.03.185

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Measuring techniques for studying the magnetoelectric (ME) effect are not established yet. In this work, we report about a lock-in technique for studying the ME effect in ME-multiferroic composites. The philosophy as well as the theory of measurement is discussed. The advantages and disadvantages of this method are described. Details on our experimental set-up in which an AC field with frequencies ranging from 1 to 10 kHz and amplitudes from 1 to 20 Oe are superimposed onto a DC bias field up to 15 kOe are shown. Treatments of the zero-signal and operation modes are demonstrated. ME investigations on CoFe2O4-BaTiO3 composites are discussed in details. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：390 / 393

页数：4

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