The effect of ionic radius carbon dot on Ti4+ in lattice parameters of Ba0.2Sr0.8TiO3 thin filmsAhmad Ripai, Aep Setiawan, W.D. Laksanawati, Amrullah Kamaruddin, Noviyan Darmawan, Johan Iskandar and IrzamanBIO Web Conf., 171 (2025) 02008DOI: https://doi.org/10.1051/bioconf/202517102008