Correlation between ionic charge and the lattice constant of cubic perovskite solids | Zendy

Verma A. S. | Zendy; Kumar A. | Zendy; Bhardwaj S. R. | Zendy

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Correlation between ionic charge and the lattice constant of cubic perovskite solids

Author(s) -

Verma A. S.,

Kumar A.,

Bhardwaj S. R.

Publication year - 2008

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.200844072

Subject(s) - ionic radius , ionic bonding , lattice constant , valence (chemistry) , lattice (music) , lattice energy , chemistry , halide , charge ordering , ionic potential , perovskite (structure) , ion , metal , thermodynamics , crystallography , charge (physics) , inorganic chemistry , physics , crystal structure , diffraction , quantum mechanics , organic chemistry , acoustics

In this paper we present lattice constant values for cubic perovskite solids with the product of ionic charges and average ionic radii r av (Å). The lattice constant of these compounds exhibit a linear relationship when plotted on a log–log scale against the average ionic radii r av (Å), but fall on different straight lines according to the ionic charge product of the compounds. We have applied the proposed relation to ABX 3 (A: large cation with different valence, B: transition metal and X: oxides and halides) and found a better agreement with the experimental data as compared to the values evaluated by earlier researchers. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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