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Room-temperature scanning Hall probe microscope (RT-SHPM) imaging of garnet films using new high-performance InSb sensors

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7 Author(s)
Oral, A. ; Dept. of Phys., Bilkent Univ., Ankara, Turkey ; Kaval, A. ; Dede, M. ; Masuda, H.
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High-performance InSb micro-Hall sensors were fabricated by optical lithography and incorporated in a room-temperature scanning Hall probe microscope for imaging of localized magnetic fluctuations in close proximity to the surfaces of crystalline uniaxial garnet films. The room-temperature noise figure of the InSb sensors was 6-10 mG/√Hz, which is an order of magnitude. better than GaAs-AlGaAs two-dimensional electron gas sensors used to date.

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Magnetics, IEEE Transactions on  (Volume:38 ,  Issue: 5 )