Abstract
Abstract: Ni0.4Cu0.3Zn0.3Gd0.125Fe1.875O4 spinel ferrite powder is successfully synthesized using sol-gel auto combustion technique. The structural, optical and magnetic properties investigated by using X-ray Diffractometer, FTIR Spectrometer, Scanning Electron Microscope and Vibrating Sample Magnetometer (VSM). XRD analysis confirmed that formation of Nano crystalline cubic spinel structure of the sample. The crystallite size of synthesized nanoparticles is about 29.45nm. The IR study support the confirmation spinel structure of Ni0.4Cu0.3Zn0.3Gd0.125Fe1.875O4 sample. Band gap energy Eg obtained using UV-Visible absorption data is about 2.4238 eV. The magnetic properties have been studied from VSM data shows that
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