Low Temperature Preparation and Effect of Pr3+, La3+, Sm3+ and Gd3+ Substitution on Structural, Magnetic and Dielectric, Studies of Ni0.5Zn0.5Fe2O4 Ferrite Nanoparticles
Rakesh Kumar Singh1, Amarendra Narayan2, Dolly Sinha3
1Rakesh Kumar Singh, Aryabhatta Centre for Nanoscience and Nanotechnology, Aryabhatta Knowledge University, Patna, India and Department of Physics, Patna Women’s College, Patna University, Patna, India.
2Amarendra Narayan, Department of Physics, Patna University, Patna, India.
3Dolly Sinha, Department of Physics, Patna University, Patna, (Bihar) India.
Manuscript received on October 16, 2015. | Revised Manuscript received on October 20, 2015. | Manuscript published on November 15, 2015. | PP: 1-6 | Volume-3 Issue-12, November 2015. | Retrieval Number: L09441131215/2015©BEIESP
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© The Authors. Published By: Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: Ni0.5Zn0.5Fe1.97R0.03O4 Nanoparticles; R= Pr, Sm, La and Gd, were synthesized using Chemical based Citrate Precursor method, annealed at low temperature 450oC for 2hr. X-ray diffraction (XRD) tool was used for estimation of average particle size and phase analysis. The average particle size was found to be 25nm, 33nm, 31nm, 22nm and 13 nm respectively. Room temperature magnetic measurement was done by vibrating sample magnetometer (VSM). The magnetization values observed are 50.692 emu/g, 43.781 emu/g, 47.875 emu/g, 43.335 emu/g and 43.518 emu/g respectively. The dielectric properties for all the samples were investigated at room temperature as a function of frequency while impedance was measured as a function of temperature. Ni0.5Zn0.5Fe1.97Sm0.03O4 nanoparticles show a dielectric behavior appreciably different from Ni0.5Zn0.5Fe1.97Gd0.03O4, Ni0.5Zn0.5Fe1.97Pr0.07O4 and Ni0.5Zn0.5Fe1.97La0.03O4 nanoparticles.
Keywords: Ni0.5Zn0.5Fe1.97R0.03O4(R=Pr,La,Gd,Sm) Nanoparticles, Citrate Method, Magnetic and Dielectric properties.