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Paper   IPM / Physic / 14138
School of Physics
  Title:   Fabrication of Cu-Ni core-shell nanoparticles by co-deposition of RF-PECVD and RF-Sputtering
  Author(s): 
1.  A. Gelali
2.  Sh. Solymani
3.  M. Elahi
4.  T. Ghodselahi
5.  H. Zahrabi
6.  M.A. Vesaghi
7.  M. Ahmadirad
8.  A. Shafiekhani
9.  A. Ahmadpourian
  Status:   Published
  Journal: I. J. S. S. E.
  No.:  11
  Year:  2011
  Pages:   39-43
  Supported by:  IPM
  Abstract:
In this research we fabricated different Cu-Ni nanoparticles in order to investigate their catalytical, magnetic and sensitivity of properties. Cu-Ni core�??shell nanoparticles on carbon thin films were prepared by co-deposition of RF-sputtering and RF-PECVD. Samples containing Cu nanoparticle were grown on carbon substrate in attendance acetylene and then Ni layers with different thicknesses were grown over these Cu nanoparticles. Topography and atomic structure were investigated by atomic force microscopy (AFM) and X-ray diffraction (XRD), respectively. XRD showed that Cu core nanocrystal and Ni shell nanocrystal were formed on these films. Average particle size of Cu nanoparticles that was estimated by Scherre and Wiliam-son formola were compared. AFM image had a good agreement with William-son results.

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