Competition between superconductor : ferromagnetic stray magnetic fields in YBa2Cu3O7−x films pierced with Co nano-rods

摘要

Altres ajuts: Cost Actions MP1201 and CM1301 (CELINA). A. Sanchez acknowledges a grant from ICREA Academia, funded by the Generalitat de Catalunya. We are grateful to I. Rivas and R. Valero from LMA-INA (Zaragoza, Spain) for experimental help in the cobalt growth and Ar+milling processes, and Dr C. Magén and Dr. P. Algarabel from LMA-INA (Zaragoza, Spain) for facilitating the use of their high performance computing server to perform the micromagnetic simulations. We acknowledge R. Morales from UPV/EHU and Ikerbasque, A. Fernández-Pacheco from U. Cambridge and S. Valencia from Helmholtz-Zentrum, Berlin for fruitful discussions.