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@ARTICLE{Womack:866196,
author = {Womack, F. N. and Adams, P. W. and Valles, J. M. and
Catelani, Gianluigi},
title = {{C}ritical field behavior of a multiply connected
superconductor in a tilted magnetic field},
journal = {Physical review / B},
volume = {100},
number = {17},
issn = {2469-9950},
address = {Woodbury, NY},
publisher = {Inst.},
reportid = {FZJ-2019-05367},
pages = {174505},
year = {2019},
abstract = {We report magnetotransport measurements of the critical
field behavior of thin Al films deposited onto multiply
connected substrates. The substrates were fabricated via a
standard electrochemical process that produced a triangular
array of 66-nm-diameter holes having a lattice constant of
100 nm. The critical field transition of the Al films was
measured near Tc as a function of field orientation relative
to the substrate normal. With the field oriented along the
normal (θ=0), we observe reentrant superconductivity at a
characteristic matching field Hm=0.22 T, corresponding to
one flux quantum per hole. In tilted fields, the position
H∗ of the reentrance feature increases as sec(θ), but the
resistivity traces are somewhat more complex than those of a
continuous superconducting film. We show that when the tilt
angle is tuned such that H∗ is of the order of the upper
critical field Hc, the entire critical region is dominated
by the enhanced dissipation associated with a submatching
perpendicular component of the applied field. At higher tilt
angles a local maximum in the critical field is observed
when the perpendicular component of the field is equal to
the matching field.},
cin = {PGI-11},
ddc = {530},
cid = {I:(DE-Juel1)PGI-11-20170113},
pnm = {144 - Controlling Collective States (POF3-144)},
pid = {G:(DE-HGF)POF3-144},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000495041000002},
doi = {10.1103/PhysRevB.100.174505},
url = {https://juser.fz-juelich.de/record/866196},
}