Browsing by Subject "Ferromagnetic micro-domains"

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    Room Temperature Scanning Micro-Hall Probe Microscope Imagingof Ferromagnetic Microstructures in the Presence of 2.5 Tesla Pulsed Magnetic FieldsGenerated by an Integrated Mini Coil
    (Institute of Physics Publishing, 2002) Sandhu, A.; Masuda, H.; Oral, A.
    A unique magnetic imaging system comprising of a room temperature scanning Hall probe microscope with an integratedmini-coil capable of generating pulsed magnetic fields up to 2.5 Tesla (width of 3 ms) was developed for the direct andnon-invasive magnetic imaging of ferromagnetic micro-domains in the presence of extremely large external pulsed mag-netic fields without adverse vibrational disturbance of the sample during measurements. The system was successfully usedfor magnetic imaging of the erasure process of bit patterns on the surface of 1.4 MB written floppy disks and the dynamicsof micro-domain structures of demagnetized strontium ferrite permanent magnets under large external pulsed magnetic fields.