Influence of uv-radiation on surface processes of anthracene single crystal
In this study the formation of macroscopic steps on anthracene single crystal surface is presented. At the normal conditions (room temperature, atmosphere pressing and daylight illumination) anthracene surface etching divides into two stages: formation of macroscopic steps width to 15 µm and height to 200 nm, and formation of pinning points height larger than 300 nm and width to 3 µm. Ambient light absence with wavelength of ultraviolet (UV) region causes the formation of pinning points on the anthracene surface. Besides, the formation of macroscopic steps is not observed at annealing. At the absence of ambient light terraces width larger 50µm form on the anthracene surface without the formation of pinning points.
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Keywords
поверхность, атомно-силовая микроскопия, антрацен, органические монокристаллы, surface, AFM, anthracene, organic single crystalsAuthors
| Name | Organization | |
| Novikov V.A. | National Research Tomsk State University | novikovvadim@mail.ru |
| Kopylova T.N. | National Research Tomsk State University | kopylova@phys.tsu.ru |
| Ivonin I.V. | National Research Tomsk State University | iiv@phys.tsu.ru |
| Gadirov R.M. | National Research Tomsk State University | grm882@ngs.ru |
| Tereshchenko E.V. | National Research Tomsk State University | tereshenko522@yandex.ru |
| Solodova T.A. | National Research Tomsk State University | polymer@ngs.ru |
| Kareva K.V. | National Research Tomsk State University | katkareva1@gmail.com |
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