Kolokolova Elena Vasil'evna RussiaSaratov The Saratov State Technical University of Gagarin Yu. A., 77, Politekhnicheskaya St., Saratov, 410054доуенткандидат химических наукelenkol@rambler.ru0000-0003-1523-5251 Author's articles Impedance spectroscopy of modified potassium titanates. I