1South-Ukrainian National Pedagogical University 65020 Odessa, Ukraine
2Ben-Gurion University of the Negev, PO Box 653, Beer-Sheva 84105, Israel
Adv. Mater. Lett., 2016, 7 (4), pp 307-311
Publication Date (Web): Mar 07, 2016
Copyright © IAAM-VBRI Press
A descriptor is constructed to predict the composition of ABO3 perovskites that do not contain transition metals and have a high level of ionic conductivity (s). The descriptor consists of two parts: the ratio of ionic radii, RA/RB and the ratio of ionization potentials, VB/VA for A- and B- cations. Parameters for 100 perovskite compounds were considered to find the correlation dependences between the descriptor and the magnitude of s. Correlation selection approach is proposed to reveal a suitable correlation series. This approach allows determining the composition of perovskites that has a desirable ionic conductivity.
Perovskites, ionic transport, non-transition metals.