Reversible electrical-field control of magnetization and anomalous Hall effect in Co/PMN-PT hybrid heterostructures

J. Wang; Q. K. Huang; S. Y. Lu; Y. F. Tian; Y. X. Chen; L. H. Bai; Y. Dai; S. S. Yan

doi:10.1063/1.5022381

Reversible electrical-field control of magnetization and anomalous Hall effect in Co/PMN-PT hybrid heterostructures

J. Wang, Q. K. Huang, S. Y. Lu, Y. F. Tian, Y. X. Chen, L. H. Bai, Y. Dai, S. S. Yan

Shandong University

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

7 Citations (Scopus)

Abstract

Room-temperature reversible electrical-field control of the magnetization and the anomalous Hall effect was reported in hybrid multiferroic heterojunctions based on Co/Pb(Mg_1/3Nb_2/3)_0.7Ti_0.3O₃ (PMN-PT). We demonstrate herein that electrical-field-induced strain and oxygen-ion migration in ZnO/Co/PMN-PT junctions exert opposing effects on the magnetic properties of the Co sublayer, and the competition between these effects determines the final magnitude of magnetization. This proof-of-concept investigation opens an alternative way to optimize and enhance the electrical-field effect on magnetism through the combination of multiple electrical manipulation mechanisms in hybrid multiferroic devices.

Original language	English
Article number	152904
Journal	Applied Physics Letters
Volume	112
Issue number	15
DOIs	https://doi.org/10.1063/1.5022381
Publication status	Published - 9 Apr 2018
Externally published	Yes

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Wang, J., Huang, Q. K., Lu, S. Y., Tian, Y. F., Chen, Y. X., Bai, L. H., Dai, Y., & Yan, S. S. (2018). Reversible electrical-field control of magnetization and anomalous Hall effect in Co/PMN-PT hybrid heterostructures. Applied Physics Letters, 112(15), Article 152904. https://doi.org/10.1063/1.5022381

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abstract = "Room-temperature reversible electrical-field control of the magnetization and the anomalous Hall effect was reported in hybrid multiferroic heterojunctions based on Co/Pb(Mg1/3Nb2/3)0.7Ti0.3O3 (PMN-PT). We demonstrate herein that electrical-field-induced strain and oxygen-ion migration in ZnO/Co/PMN-PT junctions exert opposing effects on the magnetic properties of the Co sublayer, and the competition between these effects determines the final magnitude of magnetization. This proof-of-concept investigation opens an alternative way to optimize and enhance the electrical-field effect on magnetism through the combination of multiple electrical manipulation mechanisms in hybrid multiferroic devices.",

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AU - Wang, J.

AU - Huang, Q. K.

AU - Lu, S. Y.

AU - Tian, Y. F.

AU - Chen, Y. X.

AU - Bai, L. H.

AU - Dai, Y.

AU - Yan, S. S.

PY - 2018/4/9

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N2 - Room-temperature reversible electrical-field control of the magnetization and the anomalous Hall effect was reported in hybrid multiferroic heterojunctions based on Co/Pb(Mg1/3Nb2/3)0.7Ti0.3O3 (PMN-PT). We demonstrate herein that electrical-field-induced strain and oxygen-ion migration in ZnO/Co/PMN-PT junctions exert opposing effects on the magnetic properties of the Co sublayer, and the competition between these effects determines the final magnitude of magnetization. This proof-of-concept investigation opens an alternative way to optimize and enhance the electrical-field effect on magnetism through the combination of multiple electrical manipulation mechanisms in hybrid multiferroic devices.

AB - Room-temperature reversible electrical-field control of the magnetization and the anomalous Hall effect was reported in hybrid multiferroic heterojunctions based on Co/Pb(Mg1/3Nb2/3)0.7Ti0.3O3 (PMN-PT). We demonstrate herein that electrical-field-induced strain and oxygen-ion migration in ZnO/Co/PMN-PT junctions exert opposing effects on the magnetic properties of the Co sublayer, and the competition between these effects determines the final magnitude of magnetization. This proof-of-concept investigation opens an alternative way to optimize and enhance the electrical-field effect on magnetism through the combination of multiple electrical manipulation mechanisms in hybrid multiferroic devices.

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Reversible electrical-field control of magnetization and anomalous Hall effect in Co/PMN-PT hybrid heterostructures

Abstract

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