Electric field-induced magnetization switching in epitaxial columnar nanostructures

被引：387

作者：

Zavaliche, F ^{[1
]}

Zheng, H

Mohaddes-Ardabili, L

Yang, SY

Zhan, Q

Shafer, P

Reilly, E

Chopdekar, R

Jia, Y

Wright, P

Schlom, DG

Suzuki, Y

Ramesh, R

机构：

[1] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA

[2] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[3] Univ Maryland, Mat Res Sci & Engn Ctr, College Pk, MD 20742 USA

[4] Univ Maryland, Dept Mat Sci, College Pk, MD 20742 USA

[5] Univ Calif Berkeley, Dept Mech Engn, Berkeley, CA 94720 USA

[6] Penn State Univ, Dept Mat Sci & Engn, University Pk, PA 16802 USA

来源：

NANO LETTERS | 2005年 / 5卷 / 09期

关键词：

D O I：

10.1021/nl051406i

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We present direct evidence for room-temperature magnetization reversal induced by an electric field in epitaxial ferroelectric BiFeO(3)-ferrimagnetic CoFe(2)O(4) columnar nanostructures. Piezoelectric force microscopy and magnetic force microscopy were used to locally image the coupled piezoelectric-magnetic switching. Quantitative analyses give a perpendicular magnetoelectric susceptibility of similar to 1.0 x 10(-2) G cm/V. The observed effect is due to the strong elastic coupling between the two ferroic constituents as the result of the three-dimensional heteroepitaxy.

引用

页码：1793 / 1796

页数：4

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