Zobrazeno 1 - 10
of 14
pro vyhledávání: '"S V Leonchik"'
Autor:
A. A. Rotkovich, D. I. Tishkevich, S. A. German, A. A. Bondaruk, S. V. Leonchik, E. S. Dashkevich, V. M. Fedosyuk, A. V. Trukhanov
Publikováno v:
Doklady Belorusskogo gosudarstvennogo universiteta informatiki i radioèlektroniki, Vol 21, Iss 6, Pp 5-13 (2024)
Сomposite materials based on the epoxy resin–W system with varying W content (0–80 %) were obtained using the method of chemical curing. Microstructural investigations of the samples showed that with increasing W content there is a more uniform
Externí odkaz:
https://doaj.org/article/ec6f0c77608a470d99f55bbdfa5a1d8c
Publikováno v:
Научно-практическая ревматология, Vol 43, Iss 3 (2005)
Externí odkaz:
https://doaj.org/article/83c4d5bc9277482c816692a8bca7f9ad
Publikováno v:
Journal of Applied Spectroscopy. 83:776-780
A laser method was proposed for the deposition of drop-shaped silver nanoparticles on the surface of polished silicon for use as active substrates in surface-enhanced Raman spectroscopy (SERS). The detection limit of rhodamine 6G when a drop of a sol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a030b5041db6495a664f26114a598aa
https://doi.org/10.1007/s10812-016-0362-6
https://doi.org/10.1007/s10812-016-0362-6
Autor:
A. V. Karotki, S. V. Leonchik
Publikováno v:
Semiconductors. 47:1405-1411
Cubic boron-nitride micropowder with Eu3+ ions (cBN:Eu) is synthesized under conditions of high pressures and temperatures. The structural, morphological, chemical, and optical characteristics of the cBN:Eu micropowder are studied using X-ray diffrac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ccadacfec07872b4bf310df5772cbbc
https://doi.org/10.1134/s1063782613100205
https://doi.org/10.1134/s1063782613100205
Publikováno v:
Journal of Applied Spectroscopy. 79:744-748
A neodymium-containing cubic boron nitride (cBN:Nd) micropowder was synthesized at high temperatures (1800–2000 K) and pressures (3.5–4 GPa) from a batch mixture of hexagonal boron nitride (hBN), a catalyst (Li3N), and NdF3 micropowder. Lattice c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::231e413980c52f92b7d0793a81432bb3
https://doi.org/10.1007/s10812-012-9665-4
https://doi.org/10.1007/s10812-012-9665-4
Autor:
S. V. Leonchik, A. V. Karotki
Publikováno v:
Journal of Applied Spectroscopy. 79:595-599
The structural characteristics and chemical, morphological, and optical properties of cBN and cBN:Gd micropowders are studied by x-ray diffraction, energy-dispersive electron probe microanalysis (x-ray spectral microanalysis), and photoluminescence t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e80a21901f00097ee78dd814551d04b
https://doi.org/10.1007/s10812-012-9645-8
https://doi.org/10.1007/s10812-012-9645-8
Publikováno v:
physica status solidi (b). 246:2312-2319
The effects of thermobaric treatments and aluminum additions on the spectral properties of Gd-activated cBN have been investigated. Two types of sample have been studied: polycrystalline and ceramic forms. Spectra related to the Gd 3+ ions were found
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::83c0d8bbdfa7b15f0bf4ed4156b17983
https://doi.org/10.1002/pssb.200844397
https://doi.org/10.1002/pssb.200844397
Publikováno v:
Journal of Applied Spectroscopy. 75:567-575
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14e82cd873220f25fdb7a10d503af69c
https://doi.org/10.1007/s10812-008-9073-y
https://doi.org/10.1007/s10812-008-9073-y
Publikováno v:
Inorganic Materials. 44:490-499
We have prepared cubic boron nitride samples doped with europium and codoped with europium and chromium. Their red photoluminescence is due to Eu3+ and Eu3+-Cr3+ electronic transitions involving Eu3+ in a noncentrosymmetric position in a field of cub
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18fb4c6616fd60f032025b58b34b990e
https://doi.org/10.1134/s0020168508050117
https://doi.org/10.1134/s0020168508050117
Publikováno v:
Journal of Applied Spectroscopy. 75:89-95
Under high pressure conditions, we have obtained samples of samarium-activated cubic boron nitride in the form of micropowders, ceramic samples, and polycrystals having high-intensity discrete photoluminescence in the red region of the spectrum that
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3df6725ccba9c9f481922da4b52a3c87
https://doi.org/10.1007/s10812-008-9008-7
https://doi.org/10.1007/s10812-008-9008-7