Micromagnetism of dense permalloy antidot lattices from anodic alumina templates Przemysław Gawroński, Karla J. Merazzo, Oksana Chubykalo-Fesenko, Agustina Asenjo, Rafael P. del Real and Manuel Vázquez EPL, 100 1 (2012) 17007 Published online: 16 October 2012 DOI: 10.1209/0295-5075/100/17007