Correlation Selection Of Perovskites With Optimal Parameters

N. Mykytenko1, A. Kiv2, D. Fuks2*

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

DOI: 10.5185/amlett.2016.5918

Publication Date (Web): Mar 07, 2016

E-mail: fuks@bgu.ac.il

Abstract


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. 

Keywords

Perovskites, ionic transport, non-transition metals.

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