Optical and structural properties of Fe2O3-ZnO composite thick films obtained by ultrasonic spray pyrolysis. Superficies y Vacío, [S. l.], v. 36, p. 231101, 2023. DOI: 10.47566/2023_syv36_1-231101. Disponível em: https://www.superficiesyvacio.smctsm.org.mx/index.php/SyV/article/view/2023_syv36_1-231101. Acesso em: 11 dec. 2025.