Abstract
Cerium substituted FeBO3 samples were investigated according to their crystal and electronic properties via the general formula CexCuFe1-x BO3. With the doping of the heavy fermion “Cerium”, samples were determined in polycrystalline structure. With the incressing Ce in the samples, disturbances on the Cu-Fe planes became more clear that supports the formation of geometrically different crystal structures. To obtain the electronic mechanisms in the crystals, X-ray Absorption Fine Structure Spectroscopy (XAFS) technique were used to study the electronic properties of the samples in coordination with the X-ray diffraction (XRD) patterns. As a result of the analysis, f-levels of the Cerium atoms were determined as the main playground of interplays and strongly correlated electrons of 4f-3d levels were determined to emerge dominant interactions causing phase transitions.
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