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Paper   IPM / Physic / 13993
School of Physics
  Title:   Preparation and magnetoresistance behavior of nickel nanoparticles embedded in hydrogenated carbon film
  Author(s): 
1.  M. Molamohammad
2.  C. Luna
3.  A. Arma
4.  Sh. Solaymani
5.  A. Boochan
6.  A. Ahmadpourian
7.  A. Shafiekhani
  Status:   Published
  Journal: J Mater Sci: Mater Electron
  Vol.:  2015
  Year:  2015
  Pages:   1-5
  Supported by:  IPM
  Abstract:
Nickel nanoparticles arrays, growth into hydrogenated amorphous carbon, were prepared by means of RF-plasma enhanced chemical vapor deposition and RF-sputtering co-deposition from acetylene and a nickel target. The resulting nanocomposite films were characterized by X-ray diffraction and atomic force microscopy, and their magnetic responses and magnetoresistance behavior were investigated as a function of the exciting magnetic field and the Ni nanoparticles content, which was conveniently controlled by adjusting the deposition time. These physical properties were explained by a combination of hopping and tunneling effects.

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