Structural and spectroscopic studies of Cu-doped NiO thin films Ahmad Althumali, Ibrahim Aldawood, Umit Dogan, Adam Kerrigan, Leonardo Lari, Fahrettin Sarcan, Ayse Erol, Lidija Šiller and Vlado K. Lazarov BIO Web Conf., 129 (2024) 24035 Published online: 17 October 2024 DOI: 10.1051/bioconf/202412924035