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Proceedings Paper

Nanostructures formation on surface of 6H-SiC by N2 laser radiation
Author(s): Arthur Medvid; Baiba Berzina; Laima Trinklere; Leonid Fedorenko; Petro Lytvyn; V. Malevich; Tomuo Yamaguchi; Mitsuru Aoyama
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Paper Abstract

Nano-hills formation on a surface of 6H-SiC by the N2 laser focused beam was found. These nano-hills are situated along the circular line with diameter smaller than that of the focused laser beam. Results of the photoluminescence and studies of Friction Force Microscopy speak in favor of the increase of nitrogen concentration in the nano-hills. For explanation of this phenomenon the pressure of liquid matter in the subsurface area and the pressure of the laser beam on the surface of the sample are taken into account. The threshold character of the effect, accumulation effect and increase of N band on PL spectra testify to the main role of the Thermogradient Effect in this phenomenon.

Paper Details

Date Published: 8 August 2003
PDF: 7 pages
Proc. SPIE 5122, Advanced Organic and Inorganic Optical Materials, (8 August 2003); doi: 10.1117/12.515692
Show Author Affiliations
Arthur Medvid, Riga Technical Univ. (Latvia)
Baiba Berzina, Riga Technical Univ. (Latvia)
Laima Trinklere, Riga Techinical Univ. (Latvia)
Leonid Fedorenko, Institute of Semiconductor Physics (Ukraine)
Petro Lytvyn, Institute of Semiconductor Physics (Ukraine)
V. Malevich, Institute of Semiconductor Physics (Ukraine)
Tomuo Yamaguchi, Shizuoka Univ. (Japan)
Mitsuru Aoyama, Shizuoka Univ. (Japan)


Published in SPIE Proceedings Vol. 5122:
Advanced Organic and Inorganic Optical Materials
Andris Krumins; Donats Millers; Inta Muzikante; Andris Sternbergs; Vismants Zauls, Editor(s)

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