Investigation of Mixed Electronic States in Dy3Fe5O12 Produced by Doping with Nickel

Rare earth iron garnets are scientifically significant because the versatility of cation substitution in various geometrical locations results in adjustable and varied characteristics for magnetic devices and optoelectronics applications. In a rare earth iron garnet, such as Dy3Fe5O12, electronic states are very sensitive to substitutional effects. The objective of the current research was to synthesize garnet type-Dy3Fe5O12 compound and optimal parameters of the hydrothermal method were determined. We present here a detailed experimental investigation of electronic states and their distribution across the sites in Dy3NixFe5-xO12 compounds through X-ray photoelectron spectroscopy. Scanning electron micrographs demonstrated that nanoparticles with whiskers in morphology with the existence in soft agglomeration. The impact of nickel replacing the cubic formation of garnets was explored using X-ray diffraction and Fourier transform infrared spectroscopy. In addition, the Fe: Ni ratio affects the magnetization and anisotropy of Dy3NixFe5-xO12. This indicates that the magnetism of rare-earth iron garnet can be greatly tuned by customizing its composition leading to use in a wide range of applications. [GRAPHICS] .