Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/5050
Title: Repulsion parameters of ions and radicals-application to perovskite structures
Authors: Narayan, R.
Ramaseshan, S.
Issue Date: 1978
Publisher: Elsevier B.V.
Citation: Journal of Physics and Chemistry of Solids, 1978, Vol, 39, p1287
Abstract: The compressible ion approach to repulsion which has been shown to work well for the alkali halides (J. Phys. Chem. Solids37, 395 (1976) ; Curr. Sci. 46, 359 (1977)) has been extended to other cubic ionic crystals. Repulsion parameters have been refined for a number of ions and radicals viz., Cu+, Ag+, Tl+, Mg2+, Ca2+, Sr2+, Ba2+, Zn2+, Cd2+, Hg2+, Mn2+, Fe2+, Co2+, Ni2+, Sm2+, Eu2+, Yb2+, Pb2+, H−, O2−, S2−, Se2−, Te2−, NH4+, SH−, SeH−, BrO3−, ClO3−, ClO4−, CN−, NH2−, NO3−, BH4−, BF4−, SO42−, NH2−. Using these parameters, calculations have been made on the lattice spacings and compressibilities of a number of perovskite-like crystals of the form A+B2+C3−. The predicted values agree well with experiment. In the case of four crystals viz., LiBaF3, LiBaH3, LiEuH3 and LiSrH3, there were large discrepancies between the calculated and observed lattice spacings. When these crystals were assumed to be of the inverse perovskite structure, calculations showed good agreement with the experimental data.
Description: Restricted Access
URI: http://hdl.handle.net/2289/5050
ISSN: 0022-3697
Alternative Location: http://dx.doi.org/10.1016/0022-3697(78)90126-9
Copyright: 1978 Elsevier B.V.
Appears in Collections:Miscellaneous Publications

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