Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Leonid Kulyuk"'
Autor:
A. P. Shestakova, Leonid Kulyuk, Elena Mishina, D. A. Abdullaev, A. Y. Avdizhiyan, S. D. Lavrov
Publikováno v:
IEEE Sensors Journal. 21:325-330
The ability to control the bandgap in two-dimensional graphene-like semiconductors is an essential task for the development of optoelectronic and nanoelectronic devices. Complex compositions alloys of transition metal dichalcogenides, such as MoxW1-x
Autor:
S. Anghel, Mariana V. Ballottin, Anatolie A. Mitioglu, Leonid Kulyuk, Pcm Christianen, K. Sushkevich
Publikováno v:
Physical Review B, 99, 1-7
Physical Review B, 99, 15, pp. 1-7
Physical Review B
Physical Review B, 99, 15, pp. 1-7
Physical Review B
Linearly polarized microphotoluminescence ($\ensuremath{\mu}$-PL) measurements of strained ${\mathrm{WSe}}_{2}$ monolayers in out-of-plane high magnetic fields are presented. At low temperature, a splitting of the bright exciton emission into two exc
Autor:
Leonid Kulyuk, A. P. Shestakova, Elena Mishina, D. A. Abdullaev, S. D. Lavrov, A. Y. Avdizhiyan, K. Sushkevich
Publikováno v:
Thin Solid Films. 651:7-12
Graphene-like semiconductor materials have attracted recently significant attention due to their unique properties which can be quite valuable for new generation of nano- and optielectronic devices. The use of various alloys of these materials is par
Publikováno v:
Optics and Spectroscopy. 120:808-814
Second harmonic generation is studied in structures containing nanoscale layers of transition metal chalcogenides that are two-dimensional semiconductors and deposited on a SiO2/Si substrate. The second harmonic generation intensity is calculated wit
Autor:
K. Sushkevich, Elena Mishina, Yu. Chumakov, Paulina Plochocka, S. Anghel, Anatolie A. Mitioglu, Leonid Kulyuk, G. Volodina, Victor Ch. Kravtsov
Publikováno v:
Journal of Luminescence, 177, pp. 331-336
Journal of Luminescence, 177, 331-336
Journal of Luminescence, 177, 331-336
Photoluminescence and X-ray diffraction are used to investigate 2H and 3R polytypes of MoS2 layered crystals intercalated with Cl2 molecules. The spectral structure of the observed bound excitons emission is individual for each polytype, which can be
Publikováno v:
Journal of Luminescence. 166:282-288
The excitation spectra of the ZnAl2S4 spinel crystals codoped with chromium and vanadium are investigated in order to explain some features of the Cr3+ ions optical spectra and the inconsistency of the experimental absorption/emission bands position
Autor:
P. Lama, Roger Dorsinville, Simeon Bikorimana, S. Anghel, A. Micu, Anatolie A. Mitioglu, Leonid Kulyuk, Ardie D. Walser
Publikováno v:
Conference on Lasers and Electro-Optics.
The Z-scan technique was applied to investigate the nonlinear absorption and refraction in few layer sheets of 2D transition metal dichalcogenide: WS 2 , MoS 2 , WSe 2 and Mo 0.5 W 0.5 S 2 , which showed nonlinear saturable absorption and two photon
Autor:
Yu. Chumakov, K. Sushkevich, Victor Ch. Kravtsov, G. Volodina, S. Anghel, A. Colev, Anatolie A. Mitioglu, Leonid Kulyuk, C. Mamaliga
Publikováno v:
3rd International Conference on Nanotechnologies and Biomedical Engineering ISBN: 9789812877352
Photoluminescence and X-ray diffraction are used to investigate 2H and 3R polytypes of MoS2 layered crystals intercalated with Cl2 molecules. The spectral structure of the observed bound excitons emission is individual for each polytype, that can be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3fa9c62cb76080529da15386361bed66
https://doi.org/10.1007/978-981-287-736-9_48
https://doi.org/10.1007/978-981-287-736-9_48
Publikováno v:
Solid State Phenomena. 194:158-161
A systematic optical characterization of transition metal dichalcogenide layered crystals grown by chemical vapour transport method as well as of natural molybdenite were carried out by using piezoreflectance (PzR) measurements. From a detailed lines
Autor:
K. Sushkevich, Georges Boulon, M. Nazarov, M.N. Ahmad-Fauzi, Mikhail G. Brik, Leonid Kulyuk, S. Anghel
Publikováno v:
Journal of Luminescence
Journal of Luminescence, Elsevier, 2012, 132 (9), pp.2489-2494. ⟨10.1016/j.jlumin.2012.04.044⟩
Journal of Luminescence, Elsevier, 2012, 132 (9), pp.2489-2494. ⟨10.1016/j.jlumin.2012.04.044⟩
The experimental and theoretical studies of the optical properties of pure α-ZnAl 2 S 4 and α-ZnAl 2 S 4 :V 3+ crystals were carried out. The ab initio and crystal field calculations of the structural and optical properties of α-ZnAl 2 S 4 :V 3+ w