Journal of magnetism and magnetic materials, 2009-07, Vol.321 (14), p.2187-2191
2009
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Details
- Autor(en) / Beteiligte
- Titel
- Magnetic domain wall pinning and coercivity in FePt/MgO and FePt/Pt thin films
- Ist Teil von
- Journal of magnetism and magnetic materials, 2009-07, Vol.321 (14), p.2187-2191
- Ort / Verlag
- Amsterdam: Elsevier B.V
- Erscheinungsjahr
- 2009
- Quelle
- Alma/SFX Local Collection
- Beschreibungen/Notizen
- FePt thin layers have been epitaxied either on Pt(0 0 1) or on MgO(0 0 1) substrates, and magnetically characterized using extraordinary Hall effect magnetometry and magnetic force microscopy. The coercivity originates in both cases from the pinning of domain walls on structural defects. Whereas the coercivity increases with the FePt layer thickness in FePt/Pt samples, it decreases in FePt/MgO samples. This discrepancy is explained on the basis of structural observations, and of atomistic simulations of magnetic domain wall pinning.
- Sprache
- Englisch
- Identifikatoren
- ISSN: 0304-8853DOI: 10.1016/j.jmmm.2009.01.030Titel-ID: cdi_proquest_miscellaneous_34507274
- Format
- –
- Schlagworte
- Coercivity, Condensed matter: electronic structure, electrical, magnetic, and optical properties, Domain structure (including magnetic bubbles), Domain wall, Exact sciences and technology, FePt, Hysteresis, Magnetic properties and materials, Magnetic properties of surface, thin films and multilayers, Physics, Pinning