Coprecipitation synthesis of Ni-doped SnO2 nanostructures and study of their structural, optical, and dielectric properties. - Ullah, Zakir; Zulfiqar, Syed; Khattak, Shaukat Ali; Beagan, Abeer M.; Rooh, Gul; Khan, Tahirzeb; Khan, Gulzar (Journal of Materials Science: Materials in Electronics, 2025)