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C. P. Lungu, C. E. A. Grigorescu, I. Jepu, C. Porosnicu, A. M. Lungu, D. Savastru, I. D. Feraru, Nanodiamond crystallites embedded in carbon films prepared by therm ionic vacuum arc method, Diamond and Related Materials, 20 (2011) 1061 – 1064.

 

Title: Nanodiamond crystallites embedded in carbon films prepared by therm ionic vacuum arc method

Abstract:Nanostructured carbon films with thicknesses of 100 and 200 nm have been deposited from pure vapour carbon plasma using an original thermionic vacuum arc method. Silicon single crystalline wafers, glass and stainless steel held at 400 degrees C were used for substrates. The films consist of diamond nanoparticles of 5 nm diameter on the average embedded in a disordered graphite matrix as revealed by HRTEM, XPS and visible Raman measurements. The graphitic cluster diameters La range from 1.5 to 2.3 nm. Thicker films (200 nm) on stainless steel exhibit the largest clusters. (C) 2011 Elsevier B.V. All rights reserved.

Key words: Nanodiamond crystallites; Nanostructured carbon films; Thermionic vacuum arc method; Raman spectroscopy

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