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Title: SiO2 modified Co-ferrite with high coercivity
Authors: Ding, J. 
Gong, H. 
Melaka, R.
Wang, S. 
Shi, Y. 
Chen, Y.J. 
Phuc, N.X.
Keywords: Anisotropy-vertical
Ferrites spinel

Ssbauer spectroscopy
Issue Date: 2001
Citation: Ding, J.,Gong, H.,Melaka, R.,Wang, S.,Shi, Y.,Chen, Y.J.,Phuc, N.X. (2001). SiO2 modified Co-ferrite with high coercivity. Journal of Magnetism and Magnetic Materials 226-230 (PART II) : 1382-1384. ScholarBank@NUS Repository.
Abstract: Magnetic and Mössbauer measurements have shown that 1-2wt% of SiO 2 were solved in the CoFe2O4 structure after mechanical milling and subsequent heat treatment. Coercivity values up to 3.5 kOe were measured for CoFe2 O4/SiO2 powders. High coercivities were also achieved in SiO2 doped Co-ferrite thin films prepared by sputtering technique. The Co-ferrite thin film deposited on silicon wafer using a 5 wt%-SiO2/Co-ferrite target possessed a coercivity of 7.4 kOe, which is the highest value in Co-ferrite and spinel materials according to our knowledge. © 2001 Elsevier Science B.V. All rights reserved.
Source Title: Journal of Magnetism and Magnetic Materials
ISSN: 03048853
Appears in Collections:Staff Publications

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