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DC Field | Value | Language |
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dc.contributor.author | Kondrat, O.B. | - |
dc.contributor.author | Holomb, R.M. | - |
dc.contributor.author | Kondrat, O.O. | - |
dc.contributor.author | Mitsa, V.M. | - |
dc.date.accessioned | 2018-10-26T11:47:30Z | - |
dc.date.available | 2018-10-26T11:47:30Z | - |
dc.date.issued | 2018-08-27 | - |
dc.identifier.citation | O.B. Kondrat, R.M. Holomb, O.O. Kondrat, A. Csik, V. Takats, M. Veres, M Vondráček, N. Tsud, V. Matolin, K.C. Prince and V.M. Mitsa. In situ controlled reversible transformations of As56Se44 nanolayers for application as active media in all optical signal processing systems // International research and practice conference «Nanotechnology and nanomaterials» (NANO-2018), 27-30 August 2018, Kyiv, Ukraine, p. 548 (Poster presentation). | uk |
dc.identifier.uri | https://dspace.uzhnu.edu.ua/jspui/handle/lib/21642 | - |
dc.description.abstract | The As56Se44 nanolayers were deposited onto silicon substrates in situ by ordinary thermal evaporation of bulk glass powder at a temperature (T) of 220 °C [1]. Thermal annealing of as-prepared films was performed at Tan~100 °C during 0.5 h. A green diode laser operating at wavelength of 532 nm (corresponding photon energy of ~2.33 eV) was used for in situ modification of the surface structure of annealed nanolayers. It was found that in situ above-bandgap laser illumination stimulates diffusion processes in As56Se44 nanolayers and leads to formation of new structural units (s.u.) with homopolar Se-Se and As-As bonds. The effect of ordering in the structure of illuminated As-Se films during second step of thermal annealing was detected. The appearance of homopolar bonds in the structure of As-Se film surface after second laser illumination were established. Results show that the structural changes of As-Se nanolayers is fully reversible during the cycles of thermal annealing and laser illumination. | uk |
dc.language.iso | uk | uk |
dc.subject | controlled reversible transformations | uk |
dc.subject | nanolayers | uk |
dc.title | In situ controlled reversible transformations of As56Se44 nanolayers for application as active media in all optical signal processing systems | uk |
dc.type | Text | uk |
dc.pubType | Стаття | uk |
Appears in Collections: | Наукові публікації кафедри інформаційних управляючих систем та технологій |
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File | Description | Size | Format | |
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In sittu controlled reversable.pdf | 980.25 kB | Adobe PDF | View/Open |
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