Journal
INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY
Volume -, Issue -, Pages -Publisher
WILEY
DOI: 10.1111/ijac.14574
Keywords
dielectric; diffraction; hydrothermal; microstructure; nanoparticles; thermal
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This study investigates the microstructure and magneto-dielectric properties of Ni(1-x)EuxFe(2)O(4) (x = .02-.08) nanoparticles prepared by low-temperature hydrothermal method. The results demonstrate that the lattice constants and particle size of NEF increase with the increase of Eu-content. The NEF exhibits hysteresis behavior under varying magnetic field, and the magnetization is highest for x = .08. The TG-DSC analysis reveals the mass loss and transition temperatures of NEF.
The Ni(1-x)EuxFe(2)O(4) (x = .02-.08) (NEF) nanoparticles are prepared using the low-temperature hydrothermal method. The X-ray diffraction patterns evidenced the cubic structure of NEF having the increasing trend of lattice constants from .8971 to .8984 nm as a function of Eu-content. The microstructure reveals the asymmetrical spheres like nanosized grains and particles. The particle size seemed to be increasing from 67.3 to 103.7 nm with x. The magneto-dielectric and magneto-loss natures are studied as a function of frequency and composition at the varying magnetic field of .0-1.5 T. The hysteresis nature of NEF is observed from magnetization versus (M-H) curves. The results ensured that the x = .08 content provided the highest magnetization of 89.03 emu/g. The mass loss (Delta m) and transition temperatures are determined using TG-DSC curves. The endothermic and exothermic temperatures are clearly noticed for x = .02-.08.
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