2231–4202  (Print)                
2249–9970  (Online)             
Peer Reviewed and Refereed Journal

JPAST is a Peer Reviewed & Refereed biannual multidisciplinary journal starting from July 2011. Articles are invited for Dec 23 issue.
Volume 5, Issue 1, Pages 14-20, January 2015

Dielectric and Magnetic Study of CNTs-Fe3O4 Composites

Annveer1,* and  Ritu2

1Assistant Professor, Physics Dept., N.R.E.C. (PG) College, Khurja (Bulandshahr), UP, India.

2S.S.V. (PG) College, Hapur, UP, India.


A comparative study of dielectric and magnetic properties of Fe3O4 and CNTs-Fe3O4 composite has been reported in paper. In this, CNTs-Fe3O4 composites have been prepared by dispersing the CNTs in ionic (Fe+2/Fe+3, in 1:2) solution via chemical co-precipitation route. The dielectric properties of composites have been investigated in 101-106 Hz frequency range. The saturation magnetization (Ms) of CNTs-Fe3O4 composite is reduced. The dielectric permittivity of composites with increasing weight fraction of CNTs is also reduced which may be due to the space polarization of charges accumulated via conducting channels of CNTs.

Keyword: Composite materials, Chemical vapour deposition (CVD), Magnetic materials, Magnetic properties, Dielectric properties.

Full Paper

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