Belous, A.G.; Ovchar, O.V.; Mischuk, D.O.
(Condensed Matter Physics, 2003)
Ceramic materials based on complex oxides with both the perovskite structure
(Ln₂/₃Nb₂O₆) and the structure of tetragonal tungsten bronze
(Ba₆−xLn₈+₂x/₃Ti₁₈O₅₄) have been investigated over a wide frequency and
temperature ...