Powder X-ray diffraction study of LaCo0.5Ni0.5O3-delta and LaCo0.5Fe0.5O3-delta

abstract

The crystal structures of LaCo0.5Ni0.5O3 - delta and LaCo0.5Fe0.5O3 - delta solid solutions, studied by powder X-ray diffraction, were found to be rhombohedral perovskite. The unit cell parameters in the hexagonal setting are a= 5.491(6) Angstrom and c = 13.231(3) Angstrom for LaCo0.5Fe0.5O3 (-) (delta), and a = 5.464(4) Angstrom and c = 13.125 (3) Angstrom for LaCo0.5Ni0.5O3 - delta. The space group is Rsc (No. 167). (C) 2003 International Centre for Diffraction Data.

keywords

METAL-INSULATOR-TRANSITION; NEUTRON-DIFFRACTION; CRYSTAL-STRUCTURE; PEROVSKITE; TEMPERATURE

subject category

Materials Science

authors

Vyshatko, NP; Kharton, VV; Shaula, AL; Marques, FMB

our authors

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