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Scanning SQUID Microscope for Studying Vortex Matter in Type-II Superconductors

Common methods of local magnetic imaging display either a high spatial resolution and relatively poor field sensitivity (MFM, Lorentz microscopy), or a relatively high field sensitivity but limited spatial resolution (scanning SQUID microscopy). Since the magnetic field of a nanoparticle or nanostru...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Finkler, Amit (Autor)
Autor Corporativo: SpringerLink (Online service)
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer, 2012.
Edición:1st ed. 2012.
Colección:Springer Theses, Recognizing Outstanding Ph.D. Research,
Temas:
Acceso en línea:Texto Completo

MARC

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100 1 |a Finkler, Amit.  |e author.  |4 aut  |4 http://id.loc.gov/vocabulary/relators/aut 
245 1 0 |a Scanning SQUID Microscope for Studying Vortex Matter in Type-II Superconductors  |h [electronic resource] /  |c by Amit Finkler. 
250 |a 1st ed. 2012. 
264 1 |a Berlin, Heidelberg :  |b Springer Berlin Heidelberg :  |b Imprint: Springer,  |c 2012. 
300 |a XIV, 62 p.  |b online resource. 
336 |a text  |b txt  |2 rdacontent 
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490 1 |a Springer Theses, Recognizing Outstanding Ph.D. Research,  |x 2190-5061 
505 0 |a Introduction -- Scientific Background -- Open Questions -- Goal -- Methods -- SQUID-on-tip Fabrication -- Tuning Fork Assembly -- Scanning SQUID Microscopy -- Fabrication of Samples -- Results -- SQUID-on-tip Characterization -- Imaging -- Discussion -- Appendices. 
520 |a Common methods of local magnetic imaging display either a high spatial resolution and relatively poor field sensitivity (MFM, Lorentz microscopy), or a relatively high field sensitivity but limited spatial resolution (scanning SQUID microscopy). Since the magnetic field of a nanoparticle or nanostructure decays rapidly with distance from the structure, the achievable spatial resolution is ultimately limited by the probe-sample separation. This thesis presents a novel method for fabricating the smallest superconducting quantum interference device (SQUID) that resides on the apex of a very sharp tip. The nanoSQUID-on-tip displays a characteristic size down to 100 nm and a field sensitivity of 10^-3 Gauss/Hz^(1/2). A scanning SQUID microsope was constructed by gluing the nanoSQUID-on-tip  to a quartz tuning-fork. This enabled the nanoSQUID to be scanned within nanometers of the sample surface, providing simultaneous images of sample topography and the magnetic field distribution. This microscope represents a significant improvement over the existing scanning SQUID techniques and is expected to be able to image the spin of a single electron. 
650 0 |a Spectrum analysis. 
650 0 |a Magnetism. 
650 0 |a Nanotechnology. 
650 0 |a Superconductivity. 
650 0 |a Superconductors. 
650 1 4 |a Spectroscopy. 
650 2 4 |a Magnetism. 
650 2 4 |a Nanotechnology. 
650 2 4 |a Superconductivity. 
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