Magnetic Properties of La0.8K0.2MnO3 Nanoparticles M. Mihalik, M. Zentková, J. Briančin, M. Fitta, M. Mihalikjr, J. Lazúrová and M. Vavra EPJ Web of Conferences, 75 (2014) 05006 Published online: 03 July 2014 DOI: 10.1051/epjconf/20147505006