By Amit Finkler
Common tools of neighborhood magnetic imaging show both a excessive spatial answer and comparatively terrible 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 quickly with distance from the constitution, the available spatial solution is eventually restricted via the probe-sample separation. This thesis provides a singular approach for fabricating the smallest superconducting quantum interference machine (SQUID) that is living at the apex of a truly sharp tip. The nanoSQUID-on-tip monitors 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 used to be built by way of gluing the nanoSQUID-on-tip to a quartz tuning-fork. This enabled the nanoSQUID to be scanned inside nanometers of the pattern floor, supplying simultaneous photos of pattern topography and the magnetic box distribution. This microscope represents an important development over the present scanning SQUID innovations and is anticipated so one can photograph 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