Zobrazeno 1 - 10
of 19
pro vyhledávání: '"V. N. Seminogov"'
Autor:
Denis M. Zhigunov, N. V. Shvydun, Pavel K. Kashkarov, V. N. Seminogov, Andrey V. Emelyanov, V. Yu. Timoshenko
Publikováno v:
Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques. 6:536-540
The photoluminescence (PL) spectra and kinetics of amorphous and crystalline silicon nanoclusters are investigated. The given nanoclusters are formed by thermal annealing of thin suboxide silicon films with different volume fractions of silicon. It i
Publikováno v:
Quantum Electronics. 42:345-349
Forward scattering of light passing through large-scale irregularities of the interface between two media having different refractive indices is considered. An analytical expression for the ratio of intensities of directional and diffusion components
Autor:
V. Yu. Timoshenko, Andrey V. Emelyanov, Denis M. Zhigunov, Pavel K. Kashkarov, N. V. Shvydun, V. N. Seminogov
Publikováno v:
Semiconductors. 46:354-359
The effect of the stoichiometry of thin silicon suboxide films on the processes of the formation and evolution of silicon nanoclusters during thermal annealing is studied by photoluminescence measurements. The samples are produced by the thermal sput
Autor:
Denis M. Zhigunov, V. Yu. Timoshenko, A. A. Antonovsky, V. N. Seminogov, V. N. Glebov, N. E. Maslova
Publikováno v:
Semiconductors. 44:1040-1043
Raman spectroscopy is used for the study of SiO x (x ≈ 1) layers subjected to thermal annealing at the temperatures from 950 to 1200°C to form Si nanocrystals inside the layers. From comparison of the experimental data with the model of spatial co
Autor:
V. I. Sokolov, V. Ya. Panchenko, Alexander Bykov, V. A. Semchishen, Evgeny V. Khaydukov, Alexey Popov, A. S. Akhmanov, V. N. Seminogov, Andrei V. Zvyagin, A. V. Nechaev
Publikováno v:
Khaydukov, E V, Semchishen, V A, Seminogov, V N, Sokolov, V I, Popov, A P, Bykov, A V, Nechaev, A V, Akhmanov, A S, Panchenko, V Y & Zvyagin, A V 2014, ' Enhanced spatial resolution in optical imaging of biotissues labelled with upconversion nanoparticles using a fibre-optic probe scanning technique ', Laser Physics Letters, vol. 11, no. 9, 095602 . https://doi.org/10.1088/1612-2011/11/9/095602
The new generation of synthetic nanomaterials, upconversion nanoparticles (UCNPs), have the potential for high-contrast optical imaging of biological tissue by virtue of their unique luminescent properties which enable the autofluorescence and excita
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::126bb57ccbbe3deafed33e7fd0177212
https://cris.vtt.fi/en/publications/751652ad-a4d0-443b-aa36-e039ccbf9e8d
https://cris.vtt.fi/en/publications/751652ad-a4d0-443b-aa36-e039ccbf9e8d
Autor:
V. A. Semchishen, V. I. Sokolov, Evgeny V. Khaydukov, V. Ya. Panchenko, Andrei V. Zvyagin, V. N. Seminogov, A. V. Nechaev, A. S. Akhmanov
Publikováno v:
Biomedical optics express. 5(6)
Optical visualization systems are needed in medical applications for determining the localization of deep-seated luminescent markers in biotissues. The spatial resolution of such systems is limited by the scattering of the tissues. We present a novel
Autor:
V N Seminogov, Vladimir I Emel'yanov
Publikováno v:
Technical Physics Letters. 32:1051-1053
A model of the annealing-induced crystallization of amorphous clusters in a solid matrix is proposed. The calculated dependence of the crystallized phase fraction on the annealing temperature agrees with the available experimental data.
Publikováno v:
Soviet Physics Uspekhi. 28:1084-1124
This article reviews the present status of research on strongly nonequilibrium physical effects produced near and at the surfaces of metals, semiconductors, and dielectrics by high-power pulsed laser radiation, and their diagnostics by nonlinear-opti
Publikováno v:
Soviet Journal of Quantum Electronics. 14:1515-1521
A theory is developed for modulation of the surface relief of metals, semiconductors, and insulators as a result of vaporization on exposure to laser radiation. Calculations are made of the growth increments of surface gratings as a function of the f
Publikováno v:
Soviet Journal of Quantum Electronics. 17:1294-1299
An analytic theory of the diffraction of light by a surface with a sinusoidal relief is developed allowing for the zeroth, first, and second diffraction orders. The surface relief may be set in advance or it may be generated by laser radiation. Inclu