P. Yu. Teslenko, A. G. Razumnaya, V. O. Ponomarenko, A. G. Rudskaya, A. V. Nazarenko, A. S. Anokhin, M. V. Avramenko, D. I. Levshov, M. F. Kupriyanov, Yu. I. Yuzyuk, “Structure and lattice dynamics of solid solutions $(1-x)$BiFeO$_3$–$x$ANbO$_3$ (A-K, Na)”, Fizika Tverdogo Tela, 2014, Volume 56, Issue 9,Pages 1804

This article is cited in 2 papers

Lattice dynamics

Structure and lattice dynamics of solid solutions $(1-x)$BiFeO$_3$–$x$ANbO$_3$ (A-K, Na)

P. Yu. Teslenko^a, A. G. Razumnaya^a, V. O. Ponomarenko^ab, A. G. Rudskaya^a, A. V. Nazarenko^a, A. S. Anokhin^ab, M. V. Avramenko^a, D. I. Levshov^a, M. F. Kupriyanov^a, Yu. I. Yuzyuk^a

^a Southern Federal University, Rostov-on-Don
^b Southern Research Center of the Russian Academy of Sciences, Rostov-on-Don

Abstract: The structures and the dynamic characteristics of the lattices of two compositions of solid solutions of multiferroic BiFeO$_3$ with ferroelectric KNbO$_3$ and antiferroelctric NaNbO$_3$, namely, $(1-x)$BiFeO$_3$–$x$KNbO$_3$ and $(1-x)$BiFeO$_3$–$x$NaNbO$_3$, have been studied using X-ray powder diffraction and Raman spectroscopy. For these systems with $x$ = 0.3, 0.5, and 0.7, the symmetry and unit cell parameters at room temperature have been determined. An analysis of the vibrational spectra has revealed sequences of rotational distortions with variations in the concentrations of components.

Received: 03.10.2013
Accepted: 19.03.2014