Induced Size Effect On NixCo1-xFe2O4 (0.1 ≤ X ≤ 0.9) | Zendy

Ajay Shankar | Zendy; Sandeep Kumar | Zendy; Sanjeeve Thakur | Zendy; Rajni Porwal | Zendy; R. P. Pant | Zendy

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Induced Size Effect On NixCo1-xFe2O4 (0.1 ≤ X ≤ 0.9)

Author(s) -

Ajay Shankar,

Sandeep Kumar,

Sanjeeve Thakur,

Rajni Porwal,

R. P. Pant

Publication year - 2012

Publication title -

advanced materials letters

Language(s) - English

Resource type - Journals

eISSN - 0976-397X

pISSN - 0976-3961

DOI - 10.5185/amlett.2012.6370

Subject(s) - nanocrystalline material , superexchange , materials science , crystallite , superparamagnetism , ionic radius , electron paramagnetic resonance , condensed matter physics , lattice constant , ion , relaxation (psychology) , ionic bonding , nuclear magnetic resonance , analytical chemistry (journal) , chemical physics , diffraction , nanotechnology , magnetization , antiferromagnetism , chemistry , magnetic field , optics , physics , organic chemistry , quantum mechanics , chromatography , metallurgy , social psychology , psychology

Nanocrystalline NixCo1-xFe2O4 were synthesized and studied for their structural and magnetic properties. The effect of doping ion concentration on lattice parameter, crystallite size and the lattice strain pertaining to the ionic radii has been investigated. Electron microscopy supports the parameters and gives morphological view of the system. The magnetic measurement reveals the information on the effect of stoichiometry variation in existing superparamagnetism. Further, the spin dynamics and their role on dipolar interactions, extent of superexchange and spin-spin relaxation among nanoparticles have been investigated. Also, an attempt has been made to understand the UV irradiation effect on photosensitive Co 2+ ion on Ni ferrite by in-situ electron spin resonance measurements. Copyright © 2012 VBRI Press.

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