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@INPROCEEDINGS{Faley:127851,
author = {Faley, M.I. and Poppe, U. and Dunin-Borkowski, R.E and
Schiek, M. and Boers, F. and Chocholacs, H. and Dammers, J.
and Eich, E. and Shah, N. and Ermakov, A. and Slobodchikov,
V. and Maslennikov, Y. and Koshelets, V.},
title = {{H}igh-{T}c {DC} {SQUID}s for magnetoencephalography},
address = {New York, NY},
publisher = {IEEE},
reportid = {FZJ-2012-00802},
year = {2012},
abstract = {We have investigated the microstructural and electron
transport properties of 45° step-edge Josephson junctions
grown on MgO substrates and used them for the preparation of
superconducting quantum interference device (SQUID)
magnetometers intended for magnetoencephalography (MEG)
measurement systems. The high-Tc SQUID magnetometers also
incorporate 16 mm multilayer superconducting flux
transformers on the MgO substrates and demonstrate a
magnetic field resolution of ~ 4 fT/√Hz at 77 K. Results
are illustrated for the detection of auditory evoked
magnetic responses of the human cortex and compared between
high-Tc SQUIDs and a commercial low-Tc MEG system. Our
results demonstrate that MEG systems can be upgraded using
high-Tc SQUIDs to make them independent of helium and more
user-friendly, saving operating costs and leading to the
widespread utilization of MEG systems in clinical practice
and at universities.},
month = {Oct},
date = {2012-10-07},
organization = {The Applied Superconductivity
Conference, Portland (Oregon), 7 Oct
2012 - 12 Oct 2012},
cin = {ZEA-2 / INM-4 / PGI-5},
ddc = {530},
cid = {I:(DE-Juel1)ZEA-2-20090406 / I:(DE-Juel1)INM-4-20090406 /
I:(DE-Juel1)PGI-5-20110106},
pnm = {423 - Sensorics and bioinspired systems (POF2-423)},
pid = {G:(DE-HGF)POF2-423},
typ = {PUB:(DE-HGF)8},
url = {https://juser.fz-juelich.de/record/127851},
}