Abstract
The structural characterization and physical properties of the
LaNi1 − xMoxO3
(0.05 ≤ x ≤ 0.20)
perovskite-like system are reported. These compounds can be regarded as being
derived from LaNiO3 by partial substitution in the B sublattice
of the perovskite structure: Ni3+ by Mo6+
with the consequent reduction of some Ni3+ to Ni2+.
Rhombohedral (S.G. R![[3 with combining macron]](https://www.rsc.org/images/entities/char_0033_0304.gif)
c) or orthorhombic (S.G. Pbnm)
symmetry was found depending on the degree of substitution, x.
Conductivity measurements show the presence of metal-to-insulator (M–I) transitions in these oxides. Magnetic properties show weakly ferromagnetic (x = 0.05) to antiferromagnetic with very weak ferromagnetic canting (x = 0.20), respectively.
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