TY - JOUR AU - N. A. Lomanova AU - V. V. Gusarov TI - Impedance spectroscopy of polycrystalline materials based on the Aurivillius phase system Bi$_4$Ti$_{3}$O$_{12}$--BiFeO$_3$ JO - Nanosistemy: fizika, himiâ, matematika PY - 2012 SP - 112 EP - 122 VL - 3 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NANO_2012_3_6_a12/ LA - ru ID - NANO_2012_3_6_a12 ER -