Magnetic properties of RF sputtered NbO-Ni and NiO-Nb multilayer thin films: Application of Preisach model. - Adel Bendjerad; Abdelhamid Benhaya; Hichem Ferhati; F. Smaili; S. Rahmani; Fayçal Djeffal; A. Lahmar (SSD, 2022)