Spin canting of Ni/CoO/Fe films grown on curved MgO(0 0 1) substrate
Abstract
Using element-resolved x-ray magnetic circular dichroism (XMCD) and x-ray magnetic linear dichroism (XMLD) measurements, we determined the spin orientations of Ni, CoO and Fe films in Ni/CoO/Fe films grown on a curved MgO(0 0 1) substrate. We find that the vicinal surface of MgO(0 0 1) substrate results in a spin canting towards out-of-plane direction in the Ni and CoO films as a result of the interfacial coupling. The Ni spin canting angle increases monotonically with the vicinal angle in the studied range of 0–17° and the CoO spin canting angle increases more rapidly towards saturation only at a few degrees of the vicinal angle. The uniaxial magnetic anisotropy induced in the Ni layer by the Ni/CoO interfacial coupling is quantitatively determined and is shown to increase monotonically with the vicinal angle. Our result provides a new pathway for tailoring the spin orientation by modifying the substrate surface symmetry in combining with the ferromagnetic/antiferromagnetic interfacial interaction in thin-film based spintronic devices.
- Authors:
-
- Anhui University, Hefei (China); Univ. of California, Berkeley, CA (United States)
- Univ. of Science and Technology of China, Hefei (China); Univ. of California, Berkeley, CA (United States)
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)
- Univ. of California, Berkeley, CA (United States)
- Fudan Univ., Shanghai (China)
- King Abdullah University of Science and Technology (KAUST), Thuwal (Saudi Arabia)
- Korea Research Institute of Standards and Science, Daejeon (Korea, Republic of)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities (SUF); USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division (MSE); USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1994321
- Alternate Identifier(s):
- OSTI ID: 1879112
- Grant/Contract Number:
- AC02-05CH11231; AC02-05-CH11231; KCWF16
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Magnetism and Magnetic Materials
- Additional Journal Information:
- Journal Volume: 561; Journal ID: ISSN 0304-8853
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Yang, M., Li, Q., N'Diaye, A. T., Shafer, P., Klewe, C., Wang, T. Y., Wu, Y. Z., Zhang, Xixiang, Hwang, C., and Qiu, Z. Q. Spin canting of Ni/CoO/Fe films grown on curved MgO(0 0 1) substrate. United States: N. p., 2022.
Web. doi:10.1016/j.jmmm.2022.169668.
Yang, M., Li, Q., N'Diaye, A. T., Shafer, P., Klewe, C., Wang, T. Y., Wu, Y. Z., Zhang, Xixiang, Hwang, C., & Qiu, Z. Q. Spin canting of Ni/CoO/Fe films grown on curved MgO(0 0 1) substrate. United States. https://doi.org/10.1016/j.jmmm.2022.169668
Yang, M., Li, Q., N'Diaye, A. T., Shafer, P., Klewe, C., Wang, T. Y., Wu, Y. Z., Zhang, Xixiang, Hwang, C., and Qiu, Z. Q. Fri .
"Spin canting of Ni/CoO/Fe films grown on curved MgO(0 0 1) substrate". United States. https://doi.org/10.1016/j.jmmm.2022.169668. https://www.osti.gov/servlets/purl/1994321.
@article{osti_1994321,
title = {Spin canting of Ni/CoO/Fe films grown on curved MgO(0 0 1) substrate},
author = {Yang, M. and Li, Q. and N'Diaye, A. T. and Shafer, P. and Klewe, C. and Wang, T. Y. and Wu, Y. Z. and Zhang, Xixiang and Hwang, C. and Qiu, Z. Q.},
abstractNote = {Using element-resolved x-ray magnetic circular dichroism (XMCD) and x-ray magnetic linear dichroism (XMLD) measurements, we determined the spin orientations of Ni, CoO and Fe films in Ni/CoO/Fe films grown on a curved MgO(0 0 1) substrate. We find that the vicinal surface of MgO(0 0 1) substrate results in a spin canting towards out-of-plane direction in the Ni and CoO films as a result of the interfacial coupling. The Ni spin canting angle increases monotonically with the vicinal angle in the studied range of 0–17° and the CoO spin canting angle increases more rapidly towards saturation only at a few degrees of the vicinal angle. The uniaxial magnetic anisotropy induced in the Ni layer by the Ni/CoO interfacial coupling is quantitatively determined and is shown to increase monotonically with the vicinal angle. Our result provides a new pathway for tailoring the spin orientation by modifying the substrate surface symmetry in combining with the ferromagnetic/antiferromagnetic interfacial interaction in thin-film based spintronic devices.},
doi = {10.1016/j.jmmm.2022.169668},
journal = {Journal of Magnetism and Magnetic Materials},
number = ,
volume = 561,
place = {United States},
year = {Fri Jul 08 00:00:00 EDT 2022},
month = {Fri Jul 08 00:00:00 EDT 2022}
}
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