Flux Pinning in a Superconductor by an Array of Submicrometer Magnetic Dots

J. I. Martín, M. Vélez, J. Nogués, Ivan K. Schuller
1997 Physical Review Letters  
doi:10.1103/physrevlett.79.1929 fatcat:iqq3ttfm2fbg5ptx4doiwoc5re