Magnetic interface anisotropy of MBE-grown ultra-thin (001) Fe3O4 layers

P.A.A. Heijden, van der, P.J.H. Bloemen, J.M. Gaines, J.T.W.M. Eemeren, van, R.M. Wolf, P.J. Zaag, van der, W.J.M. Jonge, de

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Abstract

Uniform as well as wedge-shaped Fe3O4 layers of 0 to 50 nm were grown by MBE on single crystalline (001) MgO substrates. A magnetic interface anisotropy contribution favouring perpendicular magnetisation for thick Fe3O4 layer thicknesses was observed. However, a perpendicular magnetisation direction was not realised at low Fe3O4 thicknesses. Magnetic characterisation also indicated that the Fe3O4 layers exhibit a reduced magnetic moment at the interfaces.
Original languageEnglish
Pages (from-to)L293-L298
Number of pages6
JournalJournal of Magnetism and Magnetic Materials
Volume159
Issue number3
DOIs
Publication statusPublished - 1996

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