Influence of Cu2+ substitution on the structural, optical, magnetic, and antibacterial behaviour of zinc ferrite nanoparticles oleh D. Nadhiya, A. Kala, P. Sasikumar, Mustafa K.A. Mohammed, P. Thirunavukkarasu, M. Prabhaharan, C. Karnan, Salim Albukhaty, Majid S. Jabir, Asad Syed, Abdallah M. Elgorban, Nouf S.S. Zaghloul