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|Title:||Magnetic properties of nanocrystalline co-ferrite films deposited on single-crystal SiO2 substrates using pulsed laser deposition||Authors:||Yin, J.H.
pulsed laser deposition
|Issue Date:||Feb-2008||Citation:||Yin, J.H.,Ding, J.,Liu, B.H.,Miao, X.S.,Yi, J.B.,Chen, J.S. (2008-02). Magnetic properties of nanocrystalline co-ferrite films deposited on single-crystal SiO2 substrates using pulsed laser deposition. Surface Review and Letters 15 (1-2) : 71-75. ScholarBank@NUS Repository.||Abstract:||Co-ferrite films were prepared using pulsed laser deposition with both post-annealing and in situ heating processes. Magnetic properties of these films were studied in the function of temperature, film thickness, and substrate. The films using post-annealing processes exhibited isotropic microstructure, and the coercivity showed no obvious magnetic anisotropy and no strong dependence on film thickness. Co-ferrite films using in situ heating exhibited (111) highly textured structure and possessed perpendicular anisotropy as well as large coercivity. The preferential texture and magnetic anisotropy were closely associated with substrate temperature and thickness. Perpendicular Hc over 12.5 kOe was obtained in the 33 nm Co-ferrite film deposited on single crystal quartz substrate at 550°C. The high coercivity and perpendicular coercivity may be attributed to the nanocrystalline grain, textured orientation, and large residual strain in these films since large residual strain may induce strong stress anisotropy. © 2008 World Scientific Publishing Company.||Source Title:||Surface Review and Letters||URI:||http://scholarbank.nus.edu.sg/handle/10635/75241||ISSN:||0218625X|
|Appears in Collections:||Staff Publications|
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