Enhanced nucleation fields due to dipolar interactions in nanocomposite magnets Johann Fischbacher, Simon Bance, Lukas Exl, Markus Gusenbauer, Harald Oezelt, Franz Reichel and Thomas Schrefl Eur. Phys. J. B, 86 3 (2013) 100 Published online: 18 March 2013 DOI: 10.1140/epjb/e2013-30938-1