Magnetic Study of Cerium-Iron-Transition Metal Mixed Compounds

Abstract

The compounds of cerium-iron-transition element mixed oxides of the type CeFeTO₄ have been prepared by a solid-state reaction technique and characterized by XRD pattern. The molar magnetic susceptibility (χ_M) of the powdered sample has been reported in a wide temperature range (300 to 1100 K). All the materials show a typical ferrimagnetic nature. The slope of asymptotic line yields an average magneton number, which indicates that all the materials are perfectly ionic. The transition ions are Ce³⁺, Fe²⁺ and Fe³⁺ in CeFe2O₄; Ce³⁺, Cr³⁺ and Fe²⁺ in CeFeCrO₄; Ce³⁺, Mn³⁺ and Fe²⁺ ion CeFeMnO₄ and Ce³⁺, Fe³⁺ and Co²⁺ in CeFeCoO₄.