Vortex pinning and rectification effect in a nanostructured superconducting film with a square array of antidot triplets
He An1, Xue Cun2, †, Zhou Youhe3, 4
       

(color online) Current–voltage characteristics of three samples with different arrays ABD under the applied field H = 0.6. Panels (b)–(f) show snapshots of Cooper-pair density for currents 1–5 indicated on the IV curves.