2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/98300Nickel oxide nanoparticles of different sizes are prepared and characterized by x-ray diffraction and transmission electron microscopy. A.C. susceptibility measurements as a function of temperature are carried out for various particle sizes and frequencies. We find that the behavior of the system is spin glass like.16 pages, 5 figuresSoft Condensed Mattertext