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Paper Information

Journal:   JOURNAL OF SCIENCES ISLAMIC REPUBLIC OF IRAN   SPRING 2011 , Volume 22 , Number 2; Page(s) 177 To 182.
 
Paper: 

SYNTHESIS AND CHARACTERIZATION OF CARBON NANOTUBES DECORATED WITH MAGNESIUM FERRITE (MGFE2O4) NANOPARTICLES BY CITRATE-GEL METHOD

 
 
Author(s):  SEPAHVAND R.*, MOHAMMADZADEH R.
 
* DEPARTMENT OF PHYSICS, FACULTY OF SCIENCE, LORESTAN UNIVERSITY, KHORAMABAD, ISLAMIC REPUBLIC OF IRAN
 
Abstract: 

In the present work, magnetic nanocomposites of the multi-walled carbon nanotubes (MWCNTs) decorated with magnesium ferrite (MgFe2O4) nanoparticles were synthesized successfully by citrate-gel method. The shape, structure, size, and properties of the as-synthesized sample were characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction pattern (XRD), transmission electron microscope (TEM), vibrating sample magnetometry (VSM), and AC susceptibility measurements. The results showed that MWCNTs and MgFe2O4 coexisted in the nanocomposite and a large number of the high purity magnesium ferrite MgFe2O4 nanoparticles were attached on the surface of the MWCNTs. The hysteresis loop of the MgFe2O4/MWCNTs nanocomposites showed that the nanocomposites were superparamagnetic with the saturated magnetization of 11.79 emu/g, and the coercive of 49Oe.

 
Keyword(s): MWCNTS, MGFE2O4, NANOCOMPOSITE, CITRATE-GEL
 
References: 
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