Electron Beam Induced Modification of Polymer-Like Carbon Coatings |
| R. Plaipaitė-Nalivaiko, D. Adlienė and G. Adlys
Kaunas University of Technology, Physics Department, Studentų str. 50, LT-51368, Kaunas, Lithuania |
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| Carbon coatings can possess diamond-like, polymer-like, graphite-like or other properties depending on deposition methods and technological parameters. Structural changes in the polymer-like carbon coatings irradiated by high energy electrons are discussed in the present paper. The polymer-like carbon coatings have been synthesized from C2H2 gas in the radio frequency dual-plasma reactor using various deposition parameters. Plasma enhancement chemical vapor deposition deposited experimental polymer-like carbon samples were irradiated with high energy electrons in the medical linear accelerator. The investigations of carbon coatings have been carried out using the Fourier-transform: infrared, Raman and UV-VIS spectroscopies. Modification of the polymer-like carbon coatings is discussed in relation with radiation induced formation of free radicals and unsaturated bonds along with possible cross-linking processes. |
DOI: 10.12693/APhysPolA.123.871 PACS numbers: 78.70.-g, 78.66.-w, 78.30.-j |