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Room temperature scanning micro-Hall probe microscopy under extremely large pulsed magnetic fields

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3 Author(s)
Sandhu, A. ; Res. Centre for Quantum Effect Electron., Tokyo Inst. of Technol., Japan ; Masuda, H. ; Oral, Ahmet

The versatility of a room-temperature scanning Hall probe microscope system with an integrated minicoil capable of generating pulsed magnetic fields up to 2.9 T was demonstrated by imaging magnetic structures on the surface of 1.4-MB floppy disks and demagnetized strontium ferrite permanent magnets. Vibration isolation between the sample and minicoil was achieved by using a combination of quartz glass plates and silicone gel layers and enabled extremely fast measurements under fields as high as 2.9 T, without detrimental effects on a GaAs-AlGaAs micro-Hall probe sensor located at a height of 0.5 μm above the sample surface.

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Magnetics, IEEE Transactions on  (Volume:39 ,  Issue: 5 )