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Title: Temperature and magnetic field dependence of the voltagein GaAs films with superconducting Ga grains
Authors: Willems, Bram ×
Taylor, David M.J.
Fritzsche, Joachim
Malfait, Mathieu
Vanacken, Johan
Moshchalkov, Victor
Montoya, E
Van Tendeloo, G #
Issue Date: Nov-2008
Publisher: Springer-Verlag Heidelberg
Series Title: European Physical Journal B, Condensed Matter Physics vol:66 issue:1 pages:25-28
Abstract: We have studied granular films consisting of nanoscale Ga droplets formed on GaAs films via a method of vacuum annealing to promote As evaporation. For temperatures and magnetic fields below the bulk Ga critical parameters, the samples are very sensitive towards external microwave radiation when two point voltage measurements are performed. Together with the observation of an oscillating magnetic field dependence of the voltage, a scenario in which the samples consist of Josephson-coupled loops seems to be the most likely one for explaining the obtained results.
URI: 
ISSN: 1434-6028
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
× corresponding author
# (joint) last author

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