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Title: Optimization of the magnetic-field of perpendicular ferromagnetic thin-films for device applications
Authors: Vanroy, W
Deboeck, J
Borghs, Gustaaf #
Issue Date: Dec-1992
Publisher: Amer inst physics
Series Title: Applied Physics Letters vol:61 issue:25 pages:3056-3058
Abstract: We studied the geometrical factors controlling the magnitude of the demagnetizing field and the fringing fields of ferromagnetic thin films with perpendicular, out-of-plane magnetization. The magnetic field emerging from the patterned ferromagnetic thin film can interact with carriers in an underlying semiconductor structure and generate a Hall voltage. Different geometries for use in practical device applications have been analyzed, using a simplified model as a design tool. The optimum geometry of the ferromagnetic thin film that will give maximum magnetic-field strength in the underlying semiconductor consists of a grating-type structure with periodicity of a few 100 nm to 1 mum. These geometries are suited for realization by holographic lithography.
URI: 
ISSN: 0003-6951
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physics and Astronomy - miscellaneous
# (joint) last author

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