Influence of UV Radiation on the Processes Proceeding on the Anthracene Single Crystal Surface

In this study, the influence of the annealing conditions on the formation of macrosteps on the anthracene single crystal surface is demonstrated. Under normal conditions (room temperature, atmosphere pressure, and ambient light), the anthracene surface etching proceeds in two stages: formation of ma...

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Bibliographic Details
Published in:Russian physics journal 2020-08, Vol.63 (4), p.599-606
Main Authors: Novikov, V. A., Kopylova, T. N., Ivonin, I. V., Gadirov, R. M., Tereshchenko, E. V., Solodova, T. A., Kareva, K. V.
Format: Article
Language:English
Subjects:
Annealing
Anthracene
Atomic force microscopy
Condensed Matter Physics
Crystal surfaces
Hadrons
Heavy Ions
Lasers
Mathematical and Computational Physics
Nuclear Physics
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Pinning
Room temperature
Single crystals
Theoretical
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Summary:In this study, the influence of the annealing conditions on the formation of macrosteps on the anthracene single crystal surface is demonstrated. Under normal conditions (room temperature, atmosphere pressure, and ambient light), the anthracene surface etching proceeds in two stages: formation of macrosteps with widths up to 15 μm and heights up to 200 nm and formation of pinning centers with heights exceeding 300 nm and widths up to 3 μm. Ambient light with wavelengths in the ultraviolet (UV) range causes the formation of pinning centers on the anthracene surface. In this case, no macrosteps are formed during annealing. In the absence of ambient light, terraces with widths larger than 50μm are formed on the anthracene surface without pinning centers.
ISSN:1064-8887
1573-9228
DOI:10.1007/s11182-020-02073-9