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Effects of annealing temperature, atomic composition, film thickness on structure and magnetic properties of CoPt composite films
Alternative Title论文其他题名
Zhang Y. J.; Yang Y. T.; Liu Y.; Wang Y. X.; Li X. Y.; Wang D. D.; Cao J.; Yang N. N.; Li J.; Yang S. Y.; Liu Y. Q.; Wei M. B.; Yang J. H.
2011
Source PublicationJournal of Alloys and Compounds
ISSN0925-8388
Volume509Issue:2Pages:326-331
AbstractL1(0)-CoPt was obtained by annealing the CoPt film at 600 degrees C after co-sputtering Co and Pt targets in a magnetron sputtering system. X-ray diffraction (XRD) and high-resolution transmission electron microscopy (HRTEM) results showed a transformation from the face-centered-cubic (FCC) structure to the L1(0) ordered structure during the post-deposition annealing. Thermal stress (S(T)), intrinsic stress (S(i)) and total stress (S(total)) in the films decreased with the increase of the annealing temperature. When the Co atomic composition was 50%, the coercivity of the CoPt film reached to a giant value, around 6300 Oe. The stress was released when the film thickness increased. The relaxed residual stress accounted for the enhancement in the coercivity. Magnetization reversal mechanism of the Co(50)Pt(50) film followed neither the S-W model nor the DWM model. (C) 2010 Elsevier B.V. All rights reserved.
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/24729
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Zhang Y. J.,Yang Y. T.,Liu Y.,et al. Effects of annealing temperature, atomic composition, film thickness on structure and magnetic properties of CoPt composite films[J]. Journal of Alloys and Compounds,2011,509(2):326-331.
APA Zhang Y. J..,Yang Y. T..,Liu Y..,Wang Y. X..,Li X. Y..,...&Yang J. H..(2011).Effects of annealing temperature, atomic composition, film thickness on structure and magnetic properties of CoPt composite films.Journal of Alloys and Compounds,509(2),326-331.
MLA Zhang Y. J.,et al."Effects of annealing temperature, atomic composition, film thickness on structure and magnetic properties of CoPt composite films".Journal of Alloys and Compounds 509.2(2011):326-331.
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