The Effect of pH Solution in the Sol–Gel Process on the Process of Formation of Fractal Structures in Thin SnO 2 Films. - Bondar, Ekaterina; Lebedev, Igor; Fedosimova, Anastasia; Dmitriyeva, Elena; Ibraimova, Sayora; Nikolaev, Anton; Shongalova, Aigul; Kemelbekova, Ainagul; Begunov, Mikhail (Fractal & Fractional, 2025)