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Magnetic characterization of microscopic particles by MO‐SNOM
Author(s) -
Schoenmaker J.,
Lancarotte M. S.,
Seabra A. C.,
Souche Y.,
Santos A. D.
Publication year - 2004
Publication title -
journal of microscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.569
H-Index - 111
eISSN - 1365-2818
pISSN - 0022-2720
DOI - 10.1111/j.0022-2720.2004.01303.x
Subject(s) - characterization (materials science) , materials science , nanotechnology
Summary This paper reports on the development of a magneto‐optical scanning near‐field optical microscope and the experimental near‐field study of the domain structure for a model magnetic particle of 16 × 16 µm 2 of a Co 70.4 Fe 4.6 Si 15 B 10 amorphous thin film, deposited on a silicon substrate. We present the topographic, optical and magneto‐optical differential susceptibility (MODS) images of the particle. Imaging by using the local MODS reveals the domain structure. These images are also used for positioning the tip in order to acquire local hysteresis loops, with submicrometre spatial resolution.