Lanthanum cobaltite is a

perovskite Perovskite (pronunciation: ) is a calcium titanium oxide mineral composed of calcium titanate (chemical formula ). Its name is also applied to the class of compounds which have the same type of crystal structure as (XIIA2+VIB4+X2−3), known as ...

with chemical formula LaCoO₃. As a solid, the structure LaCoO₃, will exist as

rhombohedral In geometry, a rhombohedron (also called a rhombic hexahedron or, inaccurately, a rhomboid) is a three-dimensional figure with six faces which are rhombus, rhombi. It is a special case of a parallelepiped where all edges are the same length. It c ...

material at room temperature with

ferroelastic Ferroelasticity is a phenomenon in which a material may exhibit a spontaneous strain. Usually, a crystal has two or more stable orientational states in the absence of mechanical stress or electric field, i.e. remanent states, and can be reproducibly ...

properties; though at temperatures above ~900 °C a phase transition to a

cubic Cubic may refer to: Science and mathematics * Cube (algebra), "cubic" measurement * Cube, a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex ** Cubic crystal system, a crystal system w ...

lattice occurs. It is also common of LaCoO₃ to be utilized with either dopants or exhibit oxygen non-stoichometry where it may assume the structure La_1−xA'_xCo_1−yB'_yO_3±𝛿 where 𝛿 is some small quantity making this class of perovskites extremely versatile for catalysis, one such commonly utilized material is

lanthanum strontium cobalt ferrite Lanthanum strontium cobalt ferrite (LSCF), also called lanthanum strontium cobaltite ferrite is a specific ceramic oxide derived from lanthanum cobaltite of the ferrite group. It is a phase containing lanthanum(III) oxide, strontium oxide, cobalt ...

otherwise known as LSCF.

References

{{Lanthanum compounds Lanthanum compounds Cobalt(III) compounds Perovskites Oxides