Localized magnetostrictive magnetization reversal using scanning probe tips

Localized magnetic reversal of a perpendicular anisotropy thin film has been performed using the magnetostrictive response of the film to a force applied by probe tips of scanning force microscope cantilevers. Non-magnetic and magnetic cantilever tips were used to apply local stresses which alter th...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 1998-12, Vol.190 (1), p.108-113
Main Authors: Schmidt, Jake, Foss, Sheryl, Skidmore, GeorgeD, Dan Dahlberg, E., Merton, Chris
Format: Article
Language:English
Subjects:
Anisotropy constant
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
Magnetic properties and materials
Magnetization reversal
Magnetomechanical and magnetoelectric effects, magnetostriction
Magnetostriction
Metals. Metallurgy
Physics
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Summary:Localized magnetic reversal of a perpendicular anisotropy thin film has been performed using the magnetostrictive response of the film to a force applied by probe tips of scanning force microscope cantilevers. Non-magnetic and magnetic cantilever tips were used to apply local stresses which alter the local magnetization through magnetostriction. The magnetic field of the tip, if any, and the local demagnetizing field of the film reverse the stressed area for stresses exceeding a critical value. These findings were in agreement with a simple model.
ISSN:0304-8853
DOI:10.1016/S0304-8853(98)00275-3