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


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Sandhu A., Masuda H., Oral A.

IEEE TRANSACTIONS ON MAGNETICS, vol.39, no.5, pp.3462-3464, 2003 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 39 Issue: 5
  • Publication Date: 2003
  • Doi Number: 10.1109/tmag.2003.816183
  • Title of Journal : IEEE TRANSACTIONS ON MAGNETICS
  • Page Numbers: pp.3462-3464
  • Keywords: Hall effect, magnetic domains, scanning Hall probe microscopy

Abstract

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 mum above-the sample surface.