Ijeh, R., Asida, S.O., Ezema, F.I. and Asarhasa, P. 2023. Effect of Allium Cepa on the Properties of Nickel Doped Zinc Oxide Nanopyramids: Effect of allium cepa on the properties of nickel doped zinc oxide nanopyramids. Nigerian Journal of Physics. 32, 3 (Nov. 2023), 33–38.