Discovery of Enhanced Magnetoelectric Coupling through Electric Field Control of Two-Magnon Scattering within Distorted Nanostructures

Xu Xue; Ziyao Zhou; Guohua Dong; Mengmeng Feng; Yijun Zhang; Shishun Zhao; Zhongqiang Hu; Wei Ren; Zuo Guang Ye; Yaohua Liu; Ming Liu

doi:10.1021/acsnano.7b04653

Discovery of Enhanced Magnetoelectric Coupling through Electric Field Control of Two-Magnon Scattering within Distorted Nanostructures

Xu Xue, Ziyao Zhou, Guohua Dong, Mengmeng Feng, Yijun Zhang, Shishun Zhao, Zhongqiang Hu, Wei Ren, Zuo Guang Ye, Yaohua Liu, Ming Liu

STS Project Technical Systems

Research output: Contribution to journal › Article › peer-review

50 Scopus citations

Abstract

Electric field control of dynamic spin interactions is promising to break through the limitation of the magnetostatic interaction based magnetoelectric (ME) effect. In this work, electric field control of the two-magnon scattering (TMS) effect excited by in-plane lattice rotation has been demonstrated in a La_0.7Sr_0.3MnO₃ (LSMO)/Pb(Mn_2/3Nb_1/3)-PbTiO₃ (PMN-PT) (011) multiferroic heterostructure. Compared with the conventional strain-mediated ME effect, a giant enhancement of ME effect up to 950% at the TMS critical angle is precisely determined by angular resolution of the ferromagnetic resonance (FMR) measurement. Particularly, a large electric field modulation of magnetic anisotropy (464 Oe) and FMR line width (401 Oe) is achieved at 173 K. The electric-field-controllable TMS effect and its correlated ME effect have been explained by electric field modulation of the planar spin interactions triggered by spin-lattice coupling. The enhancement of the ME effect at various temperatures and spin dynamics control are promising paradigms for next-generation voltage-tunable spintronic devices.

Original language	English
Pages (from-to)	9286-9293
Number of pages	8
Journal	ACS Nano
Volume	11
Issue number	9
DOIs	https://doi.org/10.1021/acsnano.7b04653
State	Published - Sep 26 2017

Funding

The work was supported by the Natural Science Foundation of China (Grant Nos. 51472199, 11534015, and 51602244), the National 111 Project of China (B14040), the 973 Program (Grant No. 2015CB057402), and the Fundamental Research Funds for the Central Universities. The authors appreciate the support from the International Joint Laboratory for Micro/ Nano Manufacturing and Measurement Technologies. Z.Z. and M.L. are supported by the China Recruitment Program of Global Youth Experts. Z.-G.Y. acknowledges support from the Natural Sciences and Engineering Research Council of Canada. Y.L. was supported by the Division of Scientific User Facilities of the Office of Basic Energy Sciences, U.S. Department of Energy.

Keywords

ferromagnetic resonance
magnetoelectric coupling
spin waves
spin-lattice coupling
two-magnon scattering

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10.1021/acsnano.7b04653

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title = "Discovery of Enhanced Magnetoelectric Coupling through Electric Field Control of Two-Magnon Scattering within Distorted Nanostructures",

abstract = "Electric field control of dynamic spin interactions is promising to break through the limitation of the magnetostatic interaction based magnetoelectric (ME) effect. In this work, electric field control of the two-magnon scattering (TMS) effect excited by in-plane lattice rotation has been demonstrated in a La0.7Sr0.3MnO3 (LSMO)/Pb(Mn2/3Nb1/3)-PbTiO3 (PMN-PT) (011) multiferroic heterostructure. Compared with the conventional strain-mediated ME effect, a giant enhancement of ME effect up to 950% at the TMS critical angle is precisely determined by angular resolution of the ferromagnetic resonance (FMR) measurement. Particularly, a large electric field modulation of magnetic anisotropy (464 Oe) and FMR line width (401 Oe) is achieved at 173 K. The electric-field-controllable TMS effect and its correlated ME effect have been explained by electric field modulation of the planar spin interactions triggered by spin-lattice coupling. The enhancement of the ME effect at various temperatures and spin dynamics control are promising paradigms for next-generation voltage-tunable spintronic devices.",

keywords = "ferromagnetic resonance, magnetoelectric coupling, spin waves, spin-lattice coupling, two-magnon scattering",

author = "Xu Xue and Ziyao Zhou and Guohua Dong and Mengmeng Feng and Yijun Zhang and Shishun Zhao and Zhongqiang Hu and Wei Ren and Ye, {Zuo Guang} and Yaohua Liu and Ming Liu",

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AU - Xue, Xu

AU - Zhou, Ziyao

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AU - Feng, Mengmeng

AU - Zhang, Yijun

AU - Zhao, Shishun

AU - Hu, Zhongqiang

AU - Ren, Wei

AU - Ye, Zuo Guang

AU - Liu, Yaohua

AU - Liu, Ming

PY - 2017/9/26

Y1 - 2017/9/26

N2 - Electric field control of dynamic spin interactions is promising to break through the limitation of the magnetostatic interaction based magnetoelectric (ME) effect. In this work, electric field control of the two-magnon scattering (TMS) effect excited by in-plane lattice rotation has been demonstrated in a La0.7Sr0.3MnO3 (LSMO)/Pb(Mn2/3Nb1/3)-PbTiO3 (PMN-PT) (011) multiferroic heterostructure. Compared with the conventional strain-mediated ME effect, a giant enhancement of ME effect up to 950% at the TMS critical angle is precisely determined by angular resolution of the ferromagnetic resonance (FMR) measurement. Particularly, a large electric field modulation of magnetic anisotropy (464 Oe) and FMR line width (401 Oe) is achieved at 173 K. The electric-field-controllable TMS effect and its correlated ME effect have been explained by electric field modulation of the planar spin interactions triggered by spin-lattice coupling. The enhancement of the ME effect at various temperatures and spin dynamics control are promising paradigms for next-generation voltage-tunable spintronic devices.

AB - Electric field control of dynamic spin interactions is promising to break through the limitation of the magnetostatic interaction based magnetoelectric (ME) effect. In this work, electric field control of the two-magnon scattering (TMS) effect excited by in-plane lattice rotation has been demonstrated in a La0.7Sr0.3MnO3 (LSMO)/Pb(Mn2/3Nb1/3)-PbTiO3 (PMN-PT) (011) multiferroic heterostructure. Compared with the conventional strain-mediated ME effect, a giant enhancement of ME effect up to 950% at the TMS critical angle is precisely determined by angular resolution of the ferromagnetic resonance (FMR) measurement. Particularly, a large electric field modulation of magnetic anisotropy (464 Oe) and FMR line width (401 Oe) is achieved at 173 K. The electric-field-controllable TMS effect and its correlated ME effect have been explained by electric field modulation of the planar spin interactions triggered by spin-lattice coupling. The enhancement of the ME effect at various temperatures and spin dynamics control are promising paradigms for next-generation voltage-tunable spintronic devices.

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Discovery of Enhanced Magnetoelectric Coupling through Electric Field Control of Two-Magnon Scattering within Distorted Nanostructures

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