Publication | Open Access
Near-field magneto-optical imaging in scanning tunneling microscopy
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1995
Year
EngineeringMicroscopyMagnetic ResonanceMagnetic ContrastMagnetismTunneling MicroscopyMagnetic Data StorageMicroscopy MethodMagnetophotonicsOptical PropertiesNear-field Magneto-optical ImagingMagnetic BitsPt/co MultilayerMaterials SciencePhysicsMagnetic MeasurementImagingMagnetic MediumSpintronicsScanning Probe MicroscopyApplied PhysicsMagnetic DeviceMedicine
Images of magnetic bits written in a Pt/Co multilayer are presented. Using photosensitive semiconducting tips in a scanning tunneling microscope, both surface topography as well as polarization-dependent optical transmission are measured. Magnetic contrast is achieved by detection of the Faraday effect. Magneto-optical lateral resolution of 250 nm is demonstrated.