Magnetoelectroelastic control of magnetism in an artificial multiferroic

被引：17

作者：

Heidler, J. ^{[1
,2
]}

Fechner, M. ^{[3
]}

Chopdekar, R. V. ^{[1
,4
,5
]}

Piamonteze, C. ^{[1
]}

Dreiser, J. ^{[1
]}

Jenkins, C. A. ^{[6
]}

Arenholz, E. ^{[6
]}

Rusponi, S. ^{[7
]}

Brune, H. ^{[7
]}

Spaldin, N. A. ^{[3
]}

Nolting, F. ^{[1
]}

机构：

[1] Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland

[2] Paul Scherrer Inst, SwissFEL, CH-5232 Villigen, Switzerland

[3] ETH, Mat Theory, CH-8093 Zurich, Switzerland

[4] Paul Scherrer Inst, Lab Micro & Nanotechnol, CH-5232 Villigen, Switzerland

[5] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA

[6] Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA

[7] Ecole Polytech Fed Lausanne, Inst Phys, CH-1015 Lausanne, Switzerland

来源：

PHYSICAL REVIEW B | 2016年 / 94卷 / 01期

关键词：

RAY CIRCULAR-DICHROISM; ANISOTROPY; FIELD; COBALT; CO;

D O I：

10.1103/PhysRevB.94.014401

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We study the coexistence of strain-and charge-mediated magnetoelectric coupling in a cobalt (0-7 nm) wedge on ferroelectric (011)-oriented [Pb(Mg-1/3/Nb-2/3)O-3](0.68)-[PbTiO3](0.32) using surface-sensitive x-ray magnetic circular dichroism spectroscopy at the Co L-3,L-2 edges. Three distinct electric field driven remanent magnetization states can be set in the Co film at room temperature. Ab initio density functional theory calculations unravel the relative contributions of both strain and charge to the observed magnetic anisotropy changes illustrating magnetoelectroelastic coupling at artificial multiferroic interfaces.

引用

页数：7

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