Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Alexander Vokhmintsev"'
Publikováno v:
Russian Chemical Reviews. 90:1397-1414
Methods of synthesis of nanotubular structures based on titania of various phase and chemical compositions are described. A systematic account is given of known data about the influence of synthesis and subsequent treatment conditions on the amorphou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b95df269c7b407bb0b311cee416d171c
https://doi.org/10.1070/rcr4991
https://doi.org/10.1070/rcr4991
Autor:
Artem O. Shilov, Alexander Vokhmintsev, Andrey V. Chukin, Ilya Weinstein, Maksim I. Vlasov, Maksim S. Karabanalov, S. S. Savchenko
Publikováno v:
Journal of Siberian Federal University. Mathematics & Physics. :226-231
In this paper optical properties of microcrystalline HfO2 powder are investigated. X-ray diffraction and Raman spectroscopy were used to determine that the studied samples are in monoclinic phase. Based on the analysis of the diffuse reflectance spec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ecda295969a8d7285a3f34d4cf0a778
https://doi.org/10.17516/1997-1397-2021-14-2-226-231
https://doi.org/10.17516/1997-1397-2021-14-2-226-231
Publikováno v:
Optics and Spectroscopy. 128:1430-1434
The mechanisms of photo- and thermoluminescence processes in cation-deficient submicron AlN crystals after UV excitation are studied. The observed emission spectra represent a superposition of bands peaking at 3.0 and 2.5 eV. These spectral features
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d33fd83de18b89b20f87f5d781eb297
https://doi.org/10.1134/s0030400x20090210
https://doi.org/10.1134/s0030400x20090210
Publikováno v:
J Lumin
Journal of Luminescence
Journal of Luminescence
Thermal quenching is one of the essential factors in reducing the efficiency of radiative processes in luminophores of various nature. The emission activity of low dimensional structures is influenced also by multiplicity of parameters that are relat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::659054d6304bfcaf6c5f047efbb0a5f5
https://hdl.handle.net/10995/111318
https://hdl.handle.net/10995/111318
Publikováno v:
Materials, Vol 14, Iss 6518, p 6518 (2021)
Materials
Volume 14
Issue 21
Mater.
Materials
Volume 14
Issue 21
Mater.
Thermoluminescence (TL) research provides a powerful tool for characterizing radiation-induced processes in extraterrestrial matter. One of the challenges in studying the spectral features of the natural TL of stony meteorites is its weak intensity.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::73930c619c670acb2f8faa887b941f74
http://arxiv.org/abs/2111.01405
http://arxiv.org/abs/2111.01405
Autor:
I. B. Dorosheva, D.S. Selishchev, Albina A. Valeeva, Ilya Weinstein, Alexander Vokhmintsev, R. V. Kamalov, Andrey A. Saraev, Andrey A. Rempel, Evgeny Yu. Gerasimov, Ekaterina A. Kozlova
Publikováno v:
Journal of Alloys and Compounds. 796:293-299
The nonstoichiometric titanium dioxide nanotubular films were synthesized by the anodization of titanium foil in a solution of ethylene glycol and ammonium fluoride. The calcination of films at the temperatures of 200–600 °C led to the changes in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5fca1b78db2857a268b9b3764e49a5c1
https://doi.org/10.1016/j.jallcom.2019.04.342
https://doi.org/10.1016/j.jallcom.2019.04.342
Publikováno v:
Radiation Measurements. 124:35-39
With band-to-band (5.9 eV) excitation of a micropowder of hexagonal boron nitride with a content of carbon and oxygen impurities of ≤3.5 at. %, the peculiarities of the luminescence at 3.76 eV (330 nm) in the temperature range of 300–873 K have b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3d1a5bbb6e3bc593c0eeb5775a69e97
https://doi.org/10.1016/j.radmeas.2019.03.001
https://doi.org/10.1016/j.radmeas.2019.03.001
Publikováno v:
Journal of Luminescence. 208:363-370
The h-BN microcrystalline powder with carbon and oxygen impurities have been studied at 83 and 296 K using Raman and photoluminescence (PL) spectroscopies. The observed blue shift of Raman peaks with temperature decreasing have been discussed. Two se
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30ded5b9bd2013eb52911c70f1c9bd80
https://doi.org/10.1016/j.jlumin.2018.12.036
https://doi.org/10.1016/j.jlumin.2018.12.036
Autor:
D.M. Spiridonov, D.V. Chaikin, Andrey V. Chukin, Yu.D. Afonin, Ilya Weinstein, Alexander Vokhmintsev
Publikováno v:
Radiation Measurements. 122:91-96
Aluminum nitride crystals of regular geometric shape and with 0.1–2.0 μm size have been synthesized by original gas-phase technique. Using chemical composition analysis, the presence of main impurities of oxygen and silicon have been testified. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ecd292cf3eea6d08c921a3b86adf8f5f
https://doi.org/10.1016/j.radmeas.2019.02.001
https://doi.org/10.1016/j.radmeas.2019.02.001
Publikováno v:
Nanotechnology
The development prospects of memristive elements for non-volatile memory with use of the metal-dielectric-metal sandwich structures with a thin oxide layer are due to the possibility of reliable forming the sustained functional states with quantized
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd29e36271d21b947ca4d2d1b2e01a8e