Theoretical studies of the local structures and the g factors for the tetragonal Ti3+-Vo centers in BaTiO3 bulks and thin filmsZ.-H. Zhang, S.-Y. Wu, M.-Q. Kuang and B.-T. SongEur. Phys. J. Appl. Phys., 56 1 (2011) 10303DOI: https://doi.org/10.1051/epjap/2011110229