Zięba, M., Tyszkiewicz, C., Opilski, Z., Barczak, K., Nizioł, J., Gondek, E., & Karasiński, P. (2026). Nb₂O₅-doped TiO₂ film synthesised via sol-gel method – technology and optical characterisation. Opto-Electronics Review, 34(2), e158649. https://doi.org/10.24425/opelre.2026.158649