Dielectric relaxation and charge transfer mechanism in the composite material of nanoparticles BaTiO3 with a modified surface in polystyreneNikita A. Emelianov, Eugene B. Postnikov, Oleg V. Yacovlev, Alexey A. Chaplygin, Alexander S. Chekadanov and Wisam M. Al MandalaviEur. Phys. J. B, 88 11 (2015) 291DOI: https://doi.org/10.1140/epjb/e2015-60510-x