Micromagnetic studies of Fe/Co ellipses with competing anisotropy contributions

S. Felton, K. Gunnarsson, P. Svedlindh, M. Hanson, O. Kazakova

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The effects of competing magneto-crystalline and shape anisotropies on magnetization reversal were studied in situ in arrays of sub-micron Fe/Co ellipses of compositions Fe2/Co6 and Fe8/Co3 with magnetic force microscopy (MFM). A simple model assigning magnetization values to the different types of domain structures observed in the MFM images was used to estimate the field dependence of the total magnetization of a sample. The agreement with macroscopic magnetization measurements is discussed. 

Original languageEnglish
Pages (from-to)E1297-E1298
Number of pages2
JournalJournal of Magnetism and Magnetic Materials
Early online date06 Jan 2004
Publication statusPublished - May 2004


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