Strain induced magnetoelectric coupling between magnetite and BaTi O3

H. F. Tian; T. L. Qu; L. B. Luo; J. J. Yang; S. M. Guo; H. Y. Zhang; Y. G. Zhao; J. Q. Li

doi:10.1063/1.2844858

Strain induced magnetoelectric coupling between magnetite and BaTi O3

H. F. Tian, T. L. Qu, L. B. Luo, J. J. Yang, S. M. Guo, H. Y. Zhang, Y. G. Zhao, J. Q. Li

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

94 Scopus citations

Abstract

Magnetite (Fe3 O4) thin films have been grown on ferroelectric BaTi O3 (BTO) single crystal substrates by pulsed laser deposition. Transmission- electron microscope observations demonstrate the orientation relationship between Fe3 O4 and BTO as [400] Fe3 O4 [200]BTO and [004] Fe3 O4 [002]BTO. Experimental measurements of magnetization, coercivity and remanent magnetization of the films show abrupt jumps at around phase transition temperatures of BTO and opposite jump signs are observed for the in-plane and out-of-plane measurements. The magnetization jumps can be suppressed by a strong external magnetic field. These results were discussed in terms of the interface strain induced changes of magnetic domain structure in the Fe3 O4 film. This work demonstrates the presence of strong magnetoelectric coupling between Fe3 O4 and BTO.

Original language	English (US)
Article number	063507
Journal	Applied Physics Letters
Volume	92
Issue number	6
DOIs	https://doi.org/10.1063/1.2844858
State	Published - 2008
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.2844858

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title = "Strain induced magnetoelectric coupling between magnetite and BaTi O3",

abstract = "Magnetite (Fe3 O4) thin films have been grown on ferroelectric BaTi O3 (BTO) single crystal substrates by pulsed laser deposition. Transmission- electron microscope observations demonstrate the orientation relationship between Fe3 O4 and BTO as [400] Fe3 O4 [200]BTO and [004] Fe3 O4 [002]BTO. Experimental measurements of magnetization, coercivity and remanent magnetization of the films show abrupt jumps at around phase transition temperatures of BTO and opposite jump signs are observed for the in-plane and out-of-plane measurements. The magnetization jumps can be suppressed by a strong external magnetic field. These results were discussed in terms of the interface strain induced changes of magnetic domain structure in the Fe3 O4 film. This work demonstrates the presence of strong magnetoelectric coupling between Fe3 O4 and BTO.",

author = "Tian, {H. F.} and Qu, {T. L.} and Luo, {L. B.} and Yang, {J. J.} and Guo, {S. M.} and Zhang, {H. Y.} and Zhao, {Y. G.} and Li, {J. Q.}",

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doi = "10.1063/1.2844858",

language = "English (US)",

volume = "92",

journal = "Applied Physics Letters",

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TY - JOUR

T1 - Strain induced magnetoelectric coupling between magnetite and BaTi O3

AU - Tian, H. F.

AU - Qu, T. L.

AU - Luo, L. B.

AU - Yang, J. J.

AU - Guo, S. M.

AU - Zhang, H. Y.

AU - Zhao, Y. G.

AU - Li, J. Q.

PY - 2008

Y1 - 2008

N2 - Magnetite (Fe3 O4) thin films have been grown on ferroelectric BaTi O3 (BTO) single crystal substrates by pulsed laser deposition. Transmission- electron microscope observations demonstrate the orientation relationship between Fe3 O4 and BTO as [400] Fe3 O4 [200]BTO and [004] Fe3 O4 [002]BTO. Experimental measurements of magnetization, coercivity and remanent magnetization of the films show abrupt jumps at around phase transition temperatures of BTO and opposite jump signs are observed for the in-plane and out-of-plane measurements. The magnetization jumps can be suppressed by a strong external magnetic field. These results were discussed in terms of the interface strain induced changes of magnetic domain structure in the Fe3 O4 film. This work demonstrates the presence of strong magnetoelectric coupling between Fe3 O4 and BTO.

AB - Magnetite (Fe3 O4) thin films have been grown on ferroelectric BaTi O3 (BTO) single crystal substrates by pulsed laser deposition. Transmission- electron microscope observations demonstrate the orientation relationship between Fe3 O4 and BTO as [400] Fe3 O4 [200]BTO and [004] Fe3 O4 [002]BTO. Experimental measurements of magnetization, coercivity and remanent magnetization of the films show abrupt jumps at around phase transition temperatures of BTO and opposite jump signs are observed for the in-plane and out-of-plane measurements. The magnetization jumps can be suppressed by a strong external magnetic field. These results were discussed in terms of the interface strain induced changes of magnetic domain structure in the Fe3 O4 film. This work demonstrates the presence of strong magnetoelectric coupling between Fe3 O4 and BTO.

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Strain induced magnetoelectric coupling between magnetite and BaTi O3

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