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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/100/1349

Title: The magnetic properties and microstructure of strontium ferrite films with perpendicular and in-plane magnetic anisotropy
Authors: ACHARYA, BR
PRASAD, S
VENKATARAMANI, N
ABARRA, EN
SUZUKI, T
Keywords: media
Issue Date: 1997
Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation: IEEE TRANSACTIONS ON MAGNETICS,33(5)3640-3642
Abstract: The texture and the easy axis of magnetization of Strontium ferrite (SrFe12O19) thin films can be controlled by changing power of rf sputtering, In-plane magnetic anisotropy is developed at a sputtering power of 330 W (7.5 W/cm(2)), whereas strong perpendicular magnetic anisotropy (Ku similar to 1 x 10(6) erg/cc) is induced at 60 W power (1.3 W/cm(2)). Further control over coercivity and morphology san be achieved by changing the ratio R, between oxygen and in the sputtering gas, Coercivity decreases with R. Films deposited without oxygen exhibit higher coercivity and less intergranular interaction as compared to films sputtered with oxygen.
URI: http://dspace.library.iitb.ac.in/xmlui/handle/10054/14529
http://hdl.handle.net/100/1349
ISSN: 0018-9464
Appears in Collections:Proceedings papers

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