HASSAN, tunis balassim. FTIR and Optical Properties of NiO Doped Cr2O3 Nanopar-ticles Synthesis by Hydrothermal Method. Al-Mustansiriyah Journal of Science, [S. l.], v. 29, n. 1, p. 168–173, 2018. DOI: 10.23851/mjs.v29i1.278. Disponível em: https://mjs.uomustansiriyah.edu.iq/index.php/MJS/article/view/278. Acesso em: 29 sep. 2022.