Magnetic properties of Ni/NiO nanocomposites synthesized by one step solution combustion method

Ni/NiO nanocomposites were synthesized using solution combustion method and characterized with X-ray diffraction (XRD), transmission electron microscopy (TEM), selected area electron diffraction (SAED), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDAX) and carbon, hydro...

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Bibliographic Details
Published in:The Journal of physics and chemistry of solids 2015-12, Vol.87, p.238-243
Main Authors: Ganeshchandra Prabhu, V., Shajira, P.S., Lakshmi, N., Junaid Bushiri, M.
Format: Article
Language:English
Subjects:
Magnetic materials
Magnetic properties
Nanostructures
Semiconductors
X-ray diffraction
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Summary:Ni/NiO nanocomposites were synthesized using solution combustion method and characterized with X-ray diffraction (XRD), transmission electron microscopy (TEM), selected area electron diffraction (SAED), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDAX) and carbon, hydrogen, nitrogen (CHN) analyser. The Ni or NiO content in Ni/NiO nanocomposites vary with the quantity of HNO3 used for the synthesis. Magnetic coercivity (Hc) of Ni/NiO nanocomposites is found to be 413Oe which can be used in magnetic applications. A feeble exchange bias of 7Oe is seen from the NiO rich Ni/NiO. •Solution combustion method could be effectively used in synthesizing Ni/NiO nanocompistes.•Ni or NiO content can be varied using HNO3 used in the combustion reaction.•A feeble exchange bias could be observed in Ni/NiO nanocomopsites.
ISSN:0022-3697
1879-2553
DOI:10.1016/j.jpcs.2015.09.001