Multiple in-plane spin reorientation transitions in Fe/CoO bilayers grown on 
vicinal MgO(001)

Li, Q.; Gu, T.; Zhu, J.; Ding, Z.; Li, J. X.; Liang, J. H.; Luo, Y. M.; Hu, Z.; Hua, C. Y.; Lin, H.-J.; Pi, T. W.; Won, C.; Wu, Y. Z.

doi:10.1103/PhysRevB.91.104424

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Multiple in-plane spin reorientation transitions in Fe/CoO bilayers grown on vicinal MgO(001)

Li, Q., Gu, T., Zhu, J., Ding, Z., Li, J. X., Liang, J. H., et al. (2015). Multiple in-plane spin reorientation transitions in Fe/CoO bilayers grown on vicinal MgO(001). Physical Review B, 91(10): 104424, pp. 1-7. doi:10.1103/PhysRevB.91.104424.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0026-C013-6 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0026-C014-4

Genre: Journal Article

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Creators:
Li, Q.¹, Author
Gu, T.¹, Author
Zhu, J.¹, Author
Ding, Z.¹, Author
Li, J. X.¹, Author
Liang, J. H.¹, Author
Luo, Y. M.¹, Author
Hu, Z.², Author
Hua, C. Y.¹, Author
Lin, H.-J.¹, Author
Pi, T. W.¹, Author
Won, C.¹, Author
Wu, Y. Z.¹, Author

Affiliations:
1External Organizations, ou_persistent22
2Zhiwei Hu, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863461

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Abstract: Step-induced antiferromagnetic (AFM) uniaxial anisotropy and its effects on the exchange coupling have been systematically investigated in the epitaxial Fe/CoO bilayers on a MgO(001) vicinal surface. X-ray magnetic linear dichroism measurements proved that the atomic steps induced a strong in-plane AFM uniaxial anisotropy in the CoO film. We found that the thermal activation induced in-plane 90 degrees switching of CoO AFM in-plane spins. The competition among the step-induced AFM anisotropy, the interface exchange coupling, and thermal activation generate a novel multiple in-plane spin reorientation transition of the Fe magnetization, which can further provide new insights on the exchange coupling in FM/AFM systems.

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Language(s): eng - English

Dates: Date issued: 2015-03-25

Publication Status: Issued

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Identifiers: ISI: 000351874900002
DOI: 10.1103/PhysRevB.91.104424

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Title: Physical Review B

Abbreviation : Phys. Rev. B

Source Genre: Journal

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Publ. Info: Woodbury, NY : American Physical Society

Pages: - Volume / Issue: 91 (10) Sequence Number: 104424 Start / End Page: 1 - 7 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008