Autor: Semchenko, A. V. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Application of sol-gel process for preparation of functional materials
Autorzy:: Gaishun, V. E.
Demidenko, O. M.
Kosenok, Y. A.
Kovalenko, D. L.
Semchenko, A. V.
Strek, W.
Powiązania:: https://bibliotekanauki.pl/articles/385165.pdf
Data publikacji:: 2009
Wydawca:: Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:: sol-gel
colored silica film
rust-proofing inorganic covers
colloidal nanosized silica
Opis:: A development of high-performance materials for electronics, optics, ceramics fabrication is restrained by traditional modes of their production. Basic technologies for materials include high-temperature physical and chemical processes and require special conditions to attain desired properties of final products. Advanced preparation methods for materials with new features are feasible on the basis of colloid-chemical processes and nanochemistry. In this respect the sol-to-gel transformation followed by solidification and chemical modification are of great interest to attain a variety of different functional properties of materials.
Źródło:: Journal of Automation Mobile Robotics and Intelligent Systems; 2009, 3, 4; 121-123
1897-8649
2080-2145
Pojawia się w:: Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Influence of synthesis conditions on the properties of FeXCoYOZ - nanoparticles in SiO2Sol-gel film
Autorzy:: Sidsky, V. V.
Gaishun, V. E.
Demidenko, O. M.
Savitskaya, T. A.
Panykov, V. V.
Semchenko, A. V.
Powiązania:: https://bibliotekanauki.pl/articles/385204.pdf
Data publikacji:: 2009
Wydawca:: Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:: nanoparticle
AFM
FexCoyOz
phase change
primitive and face-centered cubic lattice
Opis:: Synthesis conditions influence on structure of FexCoyOz - nanoparticle in SiO2 - sol-gel coating is discussed. The samples are synthesized by hybrid sol - gel method including following stages: TEOS hydrolysis, introduction into sol of Co(NO3)2 . 6H20 and Fe(NO3)3 . 9H20, deposition of film-forming sol by spin-coating on silica substrate, heat treatment at the temperature from 200 up to 900 °C. The Synthesis conditions influence on a specific structural property of sol gel films is investigated by AFM.
Źródło:: Journal of Automation Mobile Robotics and Intelligent Systems; 2009, 3, 4; 91-92
1897-8649
2080-2145
Pojawia się w:: Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Influence of Freon Heat Treatment on Optical properties of Er-Doped Silica-Gel Glasses
Autorzy:: Malashkevich, G. E.
Poddenezhny, E. N.
Melnichenko, I. M.
Gaishun, V. E.
Semchenko, A. V.
Maruszewski, K.
Stręk, W.
Powiązania:: https://bibliotekanauki.pl/articles/1945657.pdf
Data publikacji:: 1996-08
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 78.55.Hx
Opis:: Theeffect of freon heat treatment on optical properties of Er-doped silica glasses obtained by the sol-gel method was investigated. It was found that fluorine ions in the process of hydrolysis replace hydroxyl ions in the host and form the complexes with Er$\text{}^{3+}$ ions. It leads to a significant improvement of optical properties of Er doped silica glass.
Źródło:: Acta Physica Polonica A; 1996, 90, 2; 419-421
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Sol-gel glassy antireflection GeO2 - SiO2 - Ag - Re films for solar cells and ir-devices
Autorzy:: Kovalenko, D.
Gaishun, V.
Semchenko, A.
Sidsky, V.
Aleshkevich, N.
Vaskevich, V.
Powiązania:: https://bibliotekanauki.pl/articles/384273.pdf
Data publikacji:: 2009
Wydawca:: Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:: GeO -SiO films
antirefractive film
solar cells
IR-devices
Opis:: Optically homogeneous double-coated of GeO2 -SiO2 films, sodoped by ions of silver and cerium were fabricated with use sol-gel of a method, using tetraethylorthogermanate (TEOG) and tetraethylorthosilicate (TEOS) as precursors for germania and silica, respectively. According to data IR-spectroscopy of a coat are glassy. Refractive indices for the materials were obtained the following: GeO2, n = 1.687 at thickness d = 530.5 nm and SiO2, n = 1.512 at d = 998.2 nm. They demonstrate good adhesion to the glass, germanium, silica and metal substrates. Introduction of Re-earth ions m allows to control refractive index within the limits of from 1,2 up to 1,6, that is important for deriving the multilayer antirefractive coats for the infra-red optics. Introduction silver nanoparticles allow using the yielded coats for magnification of efficiency of solar cells.
Źródło:: Journal of Automation Mobile Robotics and Intelligent Systems; 2009, 3, 4; 55-57
1897-8649
2080-2145
Pojawia się w:: Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Effect of maximum interaction of circularly polarized electromagnetic waves with the molecule of DNA
Autorzy:: Balmakov, A. P.
Semchenko, I. V.
Khakhomov, S. A.
Powiązania:: https://bibliotekanauki.pl/articles/385080.pdf
Data publikacji:: 2009
Wydawca:: Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:: DNA
helix
polarization selectivity
Opis:: Investigation of polarizing properties of DNA is chosen as one of primary importance due to mirror asymmetry of the shape of DNA. Preliminary theoretical calculation has shown that the form of DNA is optimum for radiation of a circular electromagnetic wave under the resonance condition (~10 nm). This conclusion has been proved for the metal DNA-like helices in a microwave range in accordance with the principle of scaling. In the given work it is experimentally confirmed the presence of the effect of polarization selectivity in double reflection of microwave waves from DNA-like helical elements depending on their sign (the right-handed and left-handed helices). It is shown that the circular polarization of waves plays an important role in case of interaction of microwaves reflected from the artificial DNA-like structures. Probably, the identical effect takes place in some processes that involve DNA in biological organisms' cells, but in the range of far ultraviolet radiation and the "soft" X-ray range. These results are also interesting in connection with an opportunity of creation of artificial 2D and 3D structures on the basis of branches of a molecule of DNA. Such structures can be into a basis of new type metamaterials.
Źródło:: Journal of Automation Mobile Robotics and Intelligent Systems; 2009, 3, 4; 207-209
1897-8649
2080-2145
Pojawia się w:: Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Acoustic waves in ceramics with the electroinduced anisotropy
Autorzy:: Khakhomov, S. A.
Barsukov, S. D.
Semchenko, I. V.
Powiązania:: https://bibliotekanauki.pl/articles/385240.pdf
Data publikacji:: 2009
Wydawca:: Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:: ultrasound
rotating electric field
interaction
anisotropy
ceramics
Opis:: The effects related with formation of induced anisotropy in natural-isotropic media, have been studied already for a long time. These phenomena interest scientists first of all due to a rare opportunity of control of artificial anisotropy of media, and also due to an opportunity of the energy transfer to a propagating acoustic or an electromagnetic wave. The idea of the nonlinear interaction of an acoustic and rotating electric field for the observation of parametrical electro-acoustic effects in crystals belongs to V.N Belyi and B.B. Sevruk, and has been ascertained more than 20 years ago [1], [2]. Then this idea has being developed by physicists of the Gomel State University [3]-[8] where F.I. Fedorov, B.V. Bokut', and A.N. Serdyukov [9]-[10] created a scientific school in the field of optics and acoustics. Until the present time the opportunity of suppression of absorption of ultrasound by rotating an electric field and amplification of ultrasonic waves in a crystal in conditions of resonant interaction of an electric field with ultrasound [11]-[14] has been predicted. In this case, media with the induced rotating spatially homogeneous acoustic anisotropy represent an acoustic analogue of spatially periodic media, showing the effects characteristic for the last.
Źródło:: Journal of Automation Mobile Robotics and Intelligent Systems; 2009, 3, 4; 191-201
1897-8649
2080-2145
Pojawia się w:: Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:: Biblioteka Nauki

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