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Tailoring the magnetic anisotropy of Py/Ni bilayer films using well aligned atomic steps on Cu(001)
Ma, S.; Tan, A.; Deng, J. X.; Li, J.; Zhang, Z. D.; Hwang, C.; Qiu, Z. Q.; songma@imr.ac.cn
2015
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume5Pages:-
AbstractTailoring the spin orientation at the atomic scale has been a key task in spintronics technology. While controlling the out-of-plane to in-plane spin orientation has been achieved by a precise control of the perpendicular magnetic anisotropy at atomic layer thickness level, a design and control of the in-plane magnetic anisotropy has not yet been well developed. On well aligned atomic steps of a 6 degrees vicinal Cu(001) surface with steps parallel to the [110] axis, we grow Py/Ni overlayer films epitaxially to permit a systematic exploration of the step-induced in-plane magnetic anisotropy as a function of both the Py and the Ni film thicknesses. We found that the atomic steps from the vicinal Cu(001) induce an in-plane uniaxial magnetic anisotropy that favors both Py and Ni magnetizations perpendicular to the steps, opposite to the behavior of Co on vicinal Cu(001). In addition, thickness-dependent study shows that the Ni films exhibit different magnetic anisotropy below and above similar to 6 ML Ni thickness.
description.department[ma, s. ; zhang, z. d.] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china ; [ma, s. ; tan, a. ; deng, j. x. ; li, j. ; qiu, z. q.] univ calif berkeley, dept phys, berkeley, ca 94720 usa ; [hwang, c.] korea res inst stand & sci, taejon 305340, south korea
Funding OrganizationNational Science Foundation through the Global Research Laboratory project of Korea [DMR-1210167 NRF]; China Scholarship Council; National Science Foundation of China [51271178, 51331006]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75175
Collection中国科学院金属研究所
Corresponding Authorsongma@imr.ac.cn
Recommended Citation
GB/T 7714
Ma, S.,Tan, A.,Deng, J. X.,et al. Tailoring the magnetic anisotropy of Py/Ni bilayer films using well aligned atomic steps on Cu(001)[J]. SCIENTIFIC REPORTS,2015,5:-.
APA Ma, S..,Tan, A..,Deng, J. X..,Li, J..,Zhang, Z. D..,...&songma@imr.ac.cn.(2015).Tailoring the magnetic anisotropy of Py/Ni bilayer films using well aligned atomic steps on Cu(001).SCIENTIFIC REPORTS,5,-.
MLA Ma, S.,et al."Tailoring the magnetic anisotropy of Py/Ni bilayer films using well aligned atomic steps on Cu(001)".SCIENTIFIC REPORTS 5(2015):-.
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