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Microstructure and Micromorphology of Cu/Co Nanoparticles: Surface Texture Analysis
Ştefan Ţălu,Miroslaw Bramowicz,Slawomir Kulesza,Atefeh Ghaderi,Vali Dalouji,Shahram Solaymani,Zahra Khalaj 대한금속·재료학회 2016 ELECTRONIC MATERIALS LETTERS Vol.12 No.5
This paper analyses the three-dimensional (3-D) surface texture ofCu/Co thin films deposited by DC-Magnetron sputtering methodon the silicon substrates. The prepared Cu/Co nanoparticles wereused as research materials. Three groups of samples were depositedon silicon substrates in the argon atmosphere and gradually cooleddown to room temperature. The crystalline structures and elementalcompositions were analyzed by X-ray diffraction (XRD) spectrumwith conventional Bragg-Brentano geometry. X-ray diffractionprofile indicates that Co and Cu interpenetrating crystallinestructures are formed in these films. The sample surface imageswere recorded using atomic force microscopy (AFM) and analyzedby means of the fractal geometry. Statistical, fractal and functionalsurface properties of prepared samples were computed to describemajor characteristics of the spatial surface texture of Cu/Conanoparticles. Presented deposition method is a versatile, costeffective,and simple method to synthesize nano- and microstructuresof Cu/Co thin films. This type of 3-D morphology allows tounderstand the structure/property relationships and to investigatedefect-related properties of Cu/Co nanoparticles. Presented resultsconfirm the possibility of preparing high-quality Cu/Co nanoparticlesvia DC-Magnetron sputtering method on silicon substrates.
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