Dielectric dynamics of the polycrystalline Ba0.5Sr0.5TiO3 thin films Tanja Pečnik, Andreja Eršte, Aleksander Matavž, Vid Bobnar, Maksim Ivanov, Juras Banys, Feng Xiang, Hong Wang, Barbara Malič and Sebastjan Glinšek EPL, 114 4 (2016) 47009 Published online: 23 June 2016 DOI: 10.1209/0295-5075/114/47009