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IJPAP Vol.44(10) [October 2006] >


Title: Synthesis, X-ray diffraction and optical band gap study of nanoparticles of NiFe2O4
Authors: Dolia, S N
Sharma, Rakesh
Sharma, M P
Saxena, N S
Keywords: Nanoparticles
Spinel ferrites
Optical band gap
Reflection spectra
Issue Date: Oct-2006
Publisher: CSIR
IPC CodeH01F 41/30
Abstract: Nanoparticles of NiFe2O4 have been synthesized by chemical co-precipitation method. X-ray diffraction pattern confirms the formation of single-phase cubic spinel structure and the lattice constant is 8.2 Å. The energy band gap measurements of nanoparticles of Ni ferrite in pellet form have been carried out by reflection spectra using double beam spectrophotometer. A pellet of nanoparticle ferrite was made under a load of 10 tons. From the analysis of reflection spectra, nanocrystalline Ni ferrite have been found to have energy band gap of 2.5 eV at room temperature.
Page(s): 774-776
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.44(10) [October 2006]

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