Magnetization reversal in out-of-plane magnetized Ni/Cu(1 0 0) films

Field-induced magnetization reversal in Ni/Cu(1 0 0) films with perpendicular anisotropy is studied in situ by magneto-optical Kerr effect (MOKE) and Kerr-microscopy. We discuss the time dependence of the reversal process and determine the Barkhausen volume. Surface defects are found to generate met...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 1999-06, Vol.198, p.489-492
Main Authors: Bauer, A, Mentz, E, Kaindl, G
Format: Article
Language:English
Subjects:
Applied sciences
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Domain effects, magnetization curves, and hysteresis
Domain walls and domain structure
Exact sciences and technology
Interfacial magnetic properties (multilayers, magnetic quantum wells, superlattices, magnetic heterostructures)
Magnetic domains
Magnetic properties and materials
Magnetic properties of monolayers and thin films
Magnetic properties of surface, thin films and multilayers
Magnetization curves, hysteresis, Barkhausen and related effects
Magnetization curves, magnetization reversal, hysteresis, barkhausen and related effects
Magnetization reversal
Metals. Metallurgy
Physics
Thin magnetic films
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Summary:Field-induced magnetization reversal in Ni/Cu(1 0 0) films with perpendicular anisotropy is studied in situ by magneto-optical Kerr effect (MOKE) and Kerr-microscopy. We discuss the time dependence of the reversal process and determine the Barkhausen volume. Surface defects are found to generate metastable 360° domain walls that strongly influence the magnetization reversal process.
ISSN:0304-8853
DOI:10.1016/S0304-8853(98)01202-5