Complex strain evolution of polar and magnetic order in multiferroic BiFeO 3 thin films

Zuhuang Chen; Zhanghui Chen; Chang Yang Kuo; Yunlong Tang; Liv R. Dedon; Qian Li; Lei Zhang; Christoph Klewe; Yen Lin Huang; Bhagwati Prasad; Alan Farhan; Mengmeng Yang; James D. Clarkson; Sujit Das; Sasikanth Manipatruni; A. Tanaka; Padraic Shafer; Elke Arenholz; Andreas Scholl; Ying-hao Chu; Z. Q. Qiu; Zhiwei Hu; Liu Hao Tjeng; Ramamoorthy Ramesh; Lin Wang Wang; Lane W. Martin

doi:10.1038/s41467-018-06190-5

Complex strain evolution of polar and magnetic order in multiferroic BiFeO ₃ thin films

Zuhuang Chen^*, Zhanghui Chen, Chang Yang Kuo, Yunlong Tang, Liv R. Dedon, Qian Li, Lei Zhang, Christoph Klewe, Yen Lin Huang, Bhagwati Prasad, Alan Farhan, Mengmeng Yang, James D. Clarkson, Sujit Das, Sasikanth Manipatruni, A. Tanaka, Padraic Shafer, Elke Arenholz, Andreas Scholl, Ying-hao ChuZ. Q. Qiu, Zhiwei Hu, Liu Hao Tjeng, Ramamoorthy Ramesh, Lin Wang Wang, Lane W. Martin

^*Corresponding author for this work

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

21 Scopus citations

Abstract

Electric-field control of magnetism requires deterministic control of the magnetic order and understanding of the magnetoelectric coupling in multiferroics like BiFeO ₃ and EuTiO ₃ . Despite this critical need, there are few studies on the strain evolution of magnetic order in BiFeO ₃ films. Here, in (110)-oriented BiFeO ₃ films, we reveal that while the polarization structure remains relatively unaffected, strain can continuously tune the orientation of the antiferromagnetic-spin axis across a wide angular space, resulting in an unexpected deviation of the classical perpendicular relationship between the antiferromagnetic axis and the polarization. Calculations suggest that this evolution arises from a competition between the Dzyaloshinskii–Moriya interaction and single-ion anisotropy wherein the former dominates at small strains and the two are comparable at large strains. Finally, strong coupling between the BiFeO ₃ and the ferromagnet Co _0.9 Fe _0.1 exists such that the magnetic anisotropy of the ferromagnet can be effectively controlled by engineering the orientation of the antiferromagnetic-spin axis.

Original language	English
Article number	3764
Journal	Nature Communications
Volume	9
Issue number	1
DOIs	https://doi.org/10.1038/s41467-018-06190-5
State	Published - 1 Dec 2018

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Chen, Z., Chen, Z., Kuo, C. Y., Tang, Y., Dedon, L. R., Li, Q., Zhang, L., Klewe, C., Huang, Y. L., Prasad, B., Farhan, A., Yang, M., Clarkson, J. D., Das, S., Manipatruni, S., Tanaka, A., Shafer, P., Arenholz, E., Scholl, A., ... Martin, L. W. (2018). Complex strain evolution of polar and magnetic order in multiferroic BiFeO ₃ thin films. Nature Communications, 9(1), [3764]. https://doi.org/10.1038/s41467-018-06190-5

Chen, Zuhuang ; Chen, Zhanghui ; Kuo, Chang Yang ; Tang, Yunlong ; Dedon, Liv R. ; Li, Qian ; Zhang, Lei ; Klewe, Christoph ; Huang, Yen Lin ; Prasad, Bhagwati ; Farhan, Alan ; Yang, Mengmeng ; Clarkson, James D. ; Das, Sujit ; Manipatruni, Sasikanth ; Tanaka, A. ; Shafer, Padraic ; Arenholz, Elke ; Scholl, Andreas ; Chu, Ying-hao ; Qiu, Z. Q. ; Hu, Zhiwei ; Tjeng, Liu Hao ; Ramesh, Ramamoorthy ; Wang, Lin Wang ; Martin, Lane W. / Complex strain evolution of polar and magnetic order in multiferroic BiFeO ₃ thin films. In: Nature Communications. 2018 ; Vol. 9, No. 1.

@article{9cc5dc325bbc4c0cbe1d1cf2673063b0,

title = "Complex strain evolution of polar and magnetic order in multiferroic BiFeO 3 thin films",

abstract = " Electric-field control of magnetism requires deterministic control of the magnetic order and understanding of the magnetoelectric coupling in multiferroics like BiFeO 3 and EuTiO 3 . Despite this critical need, there are few studies on the strain evolution of magnetic order in BiFeO 3 films. Here, in (110)-oriented BiFeO 3 films, we reveal that while the polarization structure remains relatively unaffected, strain can continuously tune the orientation of the antiferromagnetic-spin axis across a wide angular space, resulting in an unexpected deviation of the classical perpendicular relationship between the antiferromagnetic axis and the polarization. Calculations suggest that this evolution arises from a competition between the Dzyaloshinskii–Moriya interaction and single-ion anisotropy wherein the former dominates at small strains and the two are comparable at large strains. Finally, strong coupling between the BiFeO 3 and the ferromagnet Co 0.9 Fe 0.1 exists such that the magnetic anisotropy of the ferromagnet can be effectively controlled by engineering the orientation of the antiferromagnetic-spin axis. ",

author = "Zuhuang Chen and Zhanghui Chen and Kuo, {Chang Yang} and Yunlong Tang and Dedon, {Liv R.} and Qian Li and Lei Zhang and Christoph Klewe and Huang, {Yen Lin} and Bhagwati Prasad and Alan Farhan and Mengmeng Yang and Clarkson, {James D.} and Sujit Das and Sasikanth Manipatruni and A. Tanaka and Padraic Shafer and Elke Arenholz and Andreas Scholl and Ying-hao Chu and Qiu, {Z. Q.} and Zhiwei Hu and Tjeng, {Liu Hao} and Ramamoorthy Ramesh and Wang, {Lin Wang} and Martin, {Lane W.}",

year = "2018",

month = dec,

day = "1",

doi = "10.1038/s41467-018-06190-5",

language = "English",

volume = "9",

journal = "Nature Communications",

issn = "2041-1723",

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Chen, Z, Chen, Z, Kuo, CY, Tang, Y, Dedon, LR, Li, Q, Zhang, L, Klewe, C, Huang, YL, Prasad, B, Farhan, A, Yang, M, Clarkson, JD, Das, S, Manipatruni, S, Tanaka, A, Shafer, P, Arenholz, E, Scholl, A, Chu, Y, Qiu, ZQ, Hu, Z, Tjeng, LH, Ramesh, R, Wang, LW & Martin, LW 2018, 'Complex strain evolution of polar and magnetic order in multiferroic BiFeO ₃ thin films', Nature Communications, vol. 9, no. 1, 3764. https://doi.org/10.1038/s41467-018-06190-5

Complex strain evolution of polar and magnetic order in multiferroic BiFeO ₃ thin films. / Chen, Zuhuang; Chen, Zhanghui; Kuo, Chang Yang; Tang, Yunlong; Dedon, Liv R.; Li, Qian; Zhang, Lei; Klewe, Christoph; Huang, Yen Lin; Prasad, Bhagwati; Farhan, Alan; Yang, Mengmeng; Clarkson, James D.; Das, Sujit; Manipatruni, Sasikanth; Tanaka, A.; Shafer, Padraic; Arenholz, Elke; Scholl, Andreas; Chu, Ying-hao; Qiu, Z. Q.; Hu, Zhiwei; Tjeng, Liu Hao; Ramesh, Ramamoorthy; Wang, Lin Wang; Martin, Lane W.

In: Nature Communications, Vol. 9, No. 1, 3764, 01.12.2018.

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

TY - JOUR

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AU - Chen, Zuhuang

AU - Chen, Zhanghui

AU - Kuo, Chang Yang

AU - Tang, Yunlong

AU - Dedon, Liv R.

AU - Li, Qian

AU - Zhang, Lei

AU - Klewe, Christoph

AU - Huang, Yen Lin

AU - Prasad, Bhagwati

AU - Farhan, Alan

AU - Yang, Mengmeng

AU - Clarkson, James D.

AU - Das, Sujit

AU - Manipatruni, Sasikanth

AU - Tanaka, A.

AU - Shafer, Padraic

AU - Arenholz, Elke

AU - Scholl, Andreas

AU - Chu, Ying-hao

AU - Qiu, Z. Q.

AU - Hu, Zhiwei

AU - Tjeng, Liu Hao

AU - Ramesh, Ramamoorthy

AU - Wang, Lin Wang

AU - Martin, Lane W.

PY - 2018/12/1

Y1 - 2018/12/1

N2 - Electric-field control of magnetism requires deterministic control of the magnetic order and understanding of the magnetoelectric coupling in multiferroics like BiFeO 3 and EuTiO 3 . Despite this critical need, there are few studies on the strain evolution of magnetic order in BiFeO 3 films. Here, in (110)-oriented BiFeO 3 films, we reveal that while the polarization structure remains relatively unaffected, strain can continuously tune the orientation of the antiferromagnetic-spin axis across a wide angular space, resulting in an unexpected deviation of the classical perpendicular relationship between the antiferromagnetic axis and the polarization. Calculations suggest that this evolution arises from a competition between the Dzyaloshinskii–Moriya interaction and single-ion anisotropy wherein the former dominates at small strains and the two are comparable at large strains. Finally, strong coupling between the BiFeO 3 and the ferromagnet Co 0.9 Fe 0.1 exists such that the magnetic anisotropy of the ferromagnet can be effectively controlled by engineering the orientation of the antiferromagnetic-spin axis.

AB - Electric-field control of magnetism requires deterministic control of the magnetic order and understanding of the magnetoelectric coupling in multiferroics like BiFeO 3 and EuTiO 3 . Despite this critical need, there are few studies on the strain evolution of magnetic order in BiFeO 3 films. Here, in (110)-oriented BiFeO 3 films, we reveal that while the polarization structure remains relatively unaffected, strain can continuously tune the orientation of the antiferromagnetic-spin axis across a wide angular space, resulting in an unexpected deviation of the classical perpendicular relationship between the antiferromagnetic axis and the polarization. Calculations suggest that this evolution arises from a competition between the Dzyaloshinskii–Moriya interaction and single-ion anisotropy wherein the former dominates at small strains and the two are comparable at large strains. Finally, strong coupling between the BiFeO 3 and the ferromagnet Co 0.9 Fe 0.1 exists such that the magnetic anisotropy of the ferromagnet can be effectively controlled by engineering the orientation of the antiferromagnetic-spin axis.

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DO - 10.1038/s41467-018-06190-5

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