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Title: Nanostructured SmCo 5 thin films with perpendicular anisotropy formed in a wide range of Sm-Co compositions
Authors: Zhang, L.N.
Hu, J.F.
Chen, J.S. 
Ding, J. 
Keywords: Magnetic recording
Perpendicular anisotropy
SmCo 5
Thin films
Issue Date: Mar-2011
Citation: Zhang, L.N., Hu, J.F., Chen, J.S., Ding, J. (2011-03). Nanostructured SmCo 5 thin films with perpendicular anisotropy formed in a wide range of Sm-Co compositions. Journal of Nanoscience and Nanotechnology 11 (3) : 2644-2647. ScholarBank@NUS Repository.
Abstract: In this work, we prepared SmCo 5 thin films with (000/) texture exhibiting perpendicular anisotropy in a wide range of Sm xCo 100-x compositions (x = 13.2 ∼ 37.0) on Cu/Ta underlayers. At a composition of Sm 16.7Co 83.3 (SmCo 5), the SmCo 5 film exhibits a maximum perpendicular coercivity of 18.2 kOe, which is attributed to a good crystallinity and an excellent (000/) texture. The SmCo 5 (000/) peaks are shifted to smaller angles compared to the standard powder sample which indicates the formation of a SmCoCu alloy through Cu diffusion. The EDX result for this sample gives a composition of SmCo 3Cu 2.1 which confirms Cu diffusion into the SmCo 5 layer. TEM image shows that SmCo 5 film is well crystallized with a grain size of 50 nm. © 2011 American Scientific Publishers.
Source Title: Journal of Nanoscience and Nanotechnology
ISSN: 15334880
DOI: 10.1166/jnn.2011.2720
Appears in Collections:Staff Publications

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