Scanning SQUID Microscope for Studying Vortex Matter in Type-II Superconductors (Paperback, 2012 ed.)

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.

General

Imprint:	Springer-Verlag
Country of origin:	Germany
Series:	Springer Theses
Release date:	June 2014
First published:	2012
Authors:	Amit Finkler
Dimensions:	235 x 155 x 4mm (L x W x T)
Format:	Paperback
Pages:	62
Edition:	2012 ed.
ISBN-13:	978-3-642-43152-4
Categories:	Books > Science & Mathematics > Physics > Electricity, magnetism & electromagnetism Books > Professional & Technical > Technology: general issues > Nanotechnology Books > Professional & Technical > Electronics & communications engineering > Electronics engineering > Electronic devices & materials > Semi-conductors & super-conductors Books > Science & Mathematics > Chemistry > Analytical chemistry > Qualitative analytical chemistry > Chemical spectroscopy, spectrochemistry > General Promotions
LSN:	3-642-43152-6
Barcode:	9783642431524

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