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| Paper IPM / Physic / 14138 |
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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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