Cux CrSe2 materials can exist in the form of delafossite with a layered structure and exhibit multiferroic properties, or in the form of spinel and exhibit ferromagnetic properties, depending on the copper concentration. The stability of both forms of Cux CrSe2 has been studied with regards to defectivity in the copper sublattice. The boundaries of the Cux CrSe2 homogeneity regions for the delafossite- like structure and for the cubic spinel CuCr2Se4 were determined by coulometric titration at room temperature. Analysis of the time dependence of cell polarization allowed us to estimate the diffusion coefficients in these materials

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This work is licensed under a Creative Commons Attribution 4.0 International License.