Article ID Journal Published Year Pages File Type
9834268 Journal of Magnetism and Magnetic Materials 2005 4 Pages PDF
Abstract
Single element Co and Fe thin films and Co/Fe/Co trilayers with constant Co-layer thickness were e-beam evaporated in UHV. The samples show a nano-crystalline nature. The trilayers display a rigid composite magnet behavior, i.e., a single-phase-like hysteresis loop. The Co single film and the Co/Fe/Co trilayers show a well-defined uniaxial in-plane anisotropy. In the trilayers, anisotropy is enhanced on increasing Fe-layer thickness. This phenomenon is understood in terms of competing surface and volume contributions from Co/Fe interface and Co magnetocrystalline anisotropy.
Related Topics
Physical Sciences and Engineering Physics and Astronomy Condensed Matter Physics
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