Vortex pinning and rectification effect in a nanostructured superconducting film with a square array of antidot triplets
(color online) (a) Normalized critical current density as a function of applied magnetic field (in units of H1 in the A–D array) for three samples with different arrays of A–B–D. The film thickness is d = 0.25ξ. (b) The ground-state vortex configurations at the first, second, and third matching fields.
