By Amit Finkler
Common tools of neighborhood magnetic imaging show both a excessive spatial solution and comparatively negative box sensitivity (MFM, Lorentz microscopy), or a comparatively excessive box sensitivity yet constrained spatial answer (scanning SQUID microscopy). because the magnetic box of a nanoparticle or nanostructure decays swiftly with distance from the constitution, the achieveable spatial solution is eventually constrained via the probe-sample separation. This thesis provides a unique technique for fabricating the smallest superconducting quantum interference equipment (SQUID) that is living at the apex of a really sharp tip. The nanoSQUID-on-tip screens a attribute measurement all the way down to a hundred nm and a box sensitivity of 10^-3 Gauss/Hz^(1/2). A scanning SQUID microsope was once built via gluing the nanoSQUID-on-tip to a quartz tuning-fork. This enabled the nanoSQUID to be scanned inside nanometers of the pattern floor, delivering simultaneous pictures of pattern topography and the magnetic box distribution. This microscope represents an important development over the present scanning SQUID innovations and is predicted that allows you to picture the spin of a unmarried electron.
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Additional resources for Scanning SQUID Microscope for Studying Vortex Matter in Type-II Superconductors (Springer Theses)
Scanning SQUID Microscope for Studying Vortex Matter in Type-II Superconductors (Springer Theses) by Amit Finkler