Giant vortex state in perforated aluminum microsquares

@article{Bruyndoncx1999GiantVS,
  title={Giant vortex state in perforated aluminum microsquares},
  author={V. Bruyndoncx and Jos{\'e} Gabriel Rodrigo and Teresa Puig and Lieve Van Look and Victor V. Moshchalkov and Rik Jonckheere},
  journal={Physical Review B},
  year={1999},
  volume={60},
  pages={4285-4292}
}
We investigate the nucleation of superconductivity in a uniform perpendicular magnetic field H in aluminum microsquares containing a few (2 and 4) submicron holes (antidots). The normal/superconducting phase boundary Tc(H) of these structures shows a quite different behavior in low and high fields. In the low magnetic field regime fluxoid quantization around each antidot leads to oscillations in Tc(H), expected from the specific sample geometry, and reminiscent of the network behavior. In high… 

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