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L10 FePt nanoparticles with distinct perpendicular magnetic anisotropy prepared on Au buffer layers by a micellar method
Gao, Y.; Zhang, X.W.; Yin, Z.G.; Si, F.T.; Bai, Y.M.; Zhang, X.L.; Qu, S.; Wang, Z.G.; Zhang, X. W.(xwzhang@semi.ac.cn)
2011
Source PublicationJournal of Applied Physics
ISSN00218979
Volume109Issue:11Pages:113907
AbstractFePt nanoparticles were self-assembled on a MgO(001) substrate by a micellar method. We introduced an Au buffer layer to control the lattice orientation and the magnetic alignment of FePt nanoparticles. A distinct c-axis preferred orientation of the FePt nanoparticles was achieved during the thermal annealing treatment. The driving force of lattice reorientation is considered to be the result of the stress caused by the lattice misfit between Au and FePt. The degree of c-axis orientation is significantly enhanced with increasing Au thickness, which is attributed to the decrease of the in-plane lattice and the improved crystal quality of the Au layer. Perpendicular magnetic anisotropy was observed for the FePt samples with the Au buffer layer. The out-of-plane coercivity and remanence ratio are3.1 kOe and0.8, respectively, which far exceed the in-plane values.?2011 American Institute of Physics.
metadata_83中科院半导体材料科学重点实验室
KeywordBuffer Layers Crystal Orientation Magnetic Anisotropy Nanomagnetics Nanoparticles Optical Waveguides
Subject Area半导体材料
Indexed ByEI
Language英语
Date Available2012-06-14
Document Type期刊论文
Identifierhttp://ir.semi.ac.cn/handle/172111/23128
Collection中科院半导体材料科学重点实验室
Corresponding AuthorZhang, X. W.(xwzhang@semi.ac.cn)
Recommended Citation
GB/T 7714
Gao, Y.,Zhang, X.W.,Yin, Z.G.,et al. L10 FePt nanoparticles with distinct perpendicular magnetic anisotropy prepared on Au buffer layers by a micellar method[J]. Journal of Applied Physics,2011,109(11):113907.
APA Gao, Y..,Zhang, X.W..,Yin, Z.G..,Si, F.T..,Bai, Y.M..,...&Zhang, X. W..(2011).L10 FePt nanoparticles with distinct perpendicular magnetic anisotropy prepared on Au buffer layers by a micellar method.Journal of Applied Physics,109(11),113907.
MLA Gao, Y.,et al."L10 FePt nanoparticles with distinct perpendicular magnetic anisotropy prepared on Au buffer layers by a micellar method".Journal of Applied Physics 109.11(2011):113907.
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