Giant electric-field-induced reversible and permanent magnetization reorientation on magnetoelectric Ni/(011) [Pb (Mg1/3 Nb 2/3) O3](1-x) - [PbTiO3] x heterostructure

Tao Wu; Alexandre Bur; Ping Zhao; Kotekar P. Mohanchandra; Kin Wong; Kang L. Wang; Christopher S. Lynch; Gregory P. Carman

doi:10.1063/1.3534788

Giant electric-field-induced reversible and permanent magnetization reorientation on magnetoelectric Ni/(011) [Pb (Mg_1/3 Nb _2/3) O₃]_(1-x) - [PbTiO₃] _x heterostructure

Tao Wu, Alexandre Bur, Ping Zhao, Kotekar P. Mohanchandra, Kin Wong, Kang L. Wang, Christopher S. Lynch, Gregory P. Carman

Mechanical & Industrial Engineering

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Abstract

We report giant reversible and permanent magnetic anisotropy reorientation in a magnetoelectric polycrystalline Ni thin film and (011)-oriented [Pb (Mg_1/3 Nb_2/3) O₃]_(1-x) - [PbTiO ₃] _x heterostructure. The electric-field-induced magnetic anisotropy exhibits a 300 Oe anisotropy field and a 50% change in magnetic remanence. The important feature is that these changes in magnetization states are stable without the application of an electric field and can be reversibly switched by an electric field near a critical value (± E_cr). This giant reversible and permanent magnetization change is due to remanent strain originating from a non-180° ferroelectric polarization reorientation when operating the ferroelectric substrate in a specific non-linear regime below the electric coercive field.

Original language	English (US)
Article number	012504
Journal	Applied Physics Letters
Volume	98
Issue number	1
DOIs	https://doi.org/10.1063/1.3534788
State	Published - Jan 3 2011

Bibliographical note

Funding Information:
The first two authors contributed equally. The authors appreciate Mr. Joshua L. Hockel, Michael C. Emmons, Chin-Jui Hsu, Hyungsuk K. D. Kim, and Scott Keller for their valuable discussion. This work was supported by the Air Force Office of Scientific Research (AFOSR) under Grant No. FA9550-09-1-0677, managed by Byung-Lip (Les) Lee, and the Swiss National Science Foundation (SNF) under Grant No. PBNEP2-124323.

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title = "Giant electric-field-induced reversible and permanent magnetization reorientation on magnetoelectric Ni/(011) [Pb (Mg1/3 Nb 2/3) O3](1-x) - [PbTiO3] x heterostructure",

abstract = "We report giant reversible and permanent magnetic anisotropy reorientation in a magnetoelectric polycrystalline Ni thin film and (011)-oriented [Pb (Mg1/3 Nb2/3) O3](1-x) - [PbTiO 3] x heterostructure. The electric-field-induced magnetic anisotropy exhibits a 300 Oe anisotropy field and a 50% change in magnetic remanence. The important feature is that these changes in magnetization states are stable without the application of an electric field and can be reversibly switched by an electric field near a critical value (± Ecr). This giant reversible and permanent magnetization change is due to remanent strain originating from a non-180° ferroelectric polarization reorientation when operating the ferroelectric substrate in a specific non-linear regime below the electric coercive field.",

author = "Tao Wu and Alexandre Bur and Ping Zhao and Mohanchandra, {Kotekar P.} and Kin Wong and Wang, {Kang L.} and Lynch, {Christopher S.} and Carman, {Gregory P.}",

note = "Funding Information: The first two authors contributed equally. The authors appreciate Mr. Joshua L. Hockel, Michael C. Emmons, Chin-Jui Hsu, Hyungsuk K. D. Kim, and Scott Keller for their valuable discussion. This work was supported by the Air Force Office of Scientific Research (AFOSR) under Grant No. FA9550-09-1-0677, managed by Byung-Lip (Les) Lee, and the Swiss National Science Foundation (SNF) under Grant No. PBNEP2-124323.",

year = "2011",

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doi = "10.1063/1.3534788",

language = "English (US)",

volume = "98",

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T1 - Giant electric-field-induced reversible and permanent magnetization reorientation on magnetoelectric Ni/(011) [Pb (Mg1/3 Nb 2/3) O3](1-x) - [PbTiO3] x heterostructure

AU - Wu, Tao

AU - Bur, Alexandre

AU - Zhao, Ping

AU - Mohanchandra, Kotekar P.

AU - Wong, Kin

AU - Wang, Kang L.

AU - Lynch, Christopher S.

AU - Carman, Gregory P.

N1 - Funding Information: The first two authors contributed equally. The authors appreciate Mr. Joshua L. Hockel, Michael C. Emmons, Chin-Jui Hsu, Hyungsuk K. D. Kim, and Scott Keller for their valuable discussion. This work was supported by the Air Force Office of Scientific Research (AFOSR) under Grant No. FA9550-09-1-0677, managed by Byung-Lip (Les) Lee, and the Swiss National Science Foundation (SNF) under Grant No. PBNEP2-124323.

PY - 2011/1/3

Y1 - 2011/1/3

N2 - We report giant reversible and permanent magnetic anisotropy reorientation in a magnetoelectric polycrystalline Ni thin film and (011)-oriented [Pb (Mg1/3 Nb2/3) O3](1-x) - [PbTiO 3] x heterostructure. The electric-field-induced magnetic anisotropy exhibits a 300 Oe anisotropy field and a 50% change in magnetic remanence. The important feature is that these changes in magnetization states are stable without the application of an electric field and can be reversibly switched by an electric field near a critical value (± Ecr). This giant reversible and permanent magnetization change is due to remanent strain originating from a non-180° ferroelectric polarization reorientation when operating the ferroelectric substrate in a specific non-linear regime below the electric coercive field.

AB - We report giant reversible and permanent magnetic anisotropy reorientation in a magnetoelectric polycrystalline Ni thin film and (011)-oriented [Pb (Mg1/3 Nb2/3) O3](1-x) - [PbTiO 3] x heterostructure. The electric-field-induced magnetic anisotropy exhibits a 300 Oe anisotropy field and a 50% change in magnetic remanence. The important feature is that these changes in magnetization states are stable without the application of an electric field and can be reversibly switched by an electric field near a critical value (± Ecr). This giant reversible and permanent magnetization change is due to remanent strain originating from a non-180° ferroelectric polarization reorientation when operating the ferroelectric substrate in a specific non-linear regime below the electric coercive field.

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