Zobrazeno 1 - 10
of 692
pro vyhledávání: '"B. N. MAVRIN"'
Autor:
N. N. Novikova, S. A. Klimin, M. N. Mayakova, Kirill N. Boldyrev, B. N. Mavrin, V. M. Khnykov, D. D. Gutsenko
Publikováno v:
Optics and Spectroscopy. 128:1374-1378
We have studied high-resolution low-temperature IR luminescence and absorption spectra of undoped high-quality SiC single crystals of the 4H and 6H hexagonal modifications. Narrow lines with a width of smaller than 0.2 cm–1 have been revealed, with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e58845127c4803b06521c131bc9b66a
https://doi.org/10.1134/s0030400x20090040
https://doi.org/10.1134/s0030400x20090040
Publikováno v:
Optics and Spectroscopy. 127:14-18
We have measured the polarized Raman scattering and IR reflection spectra of a BaGa2GeS6 crystal, the Ga and Ge atoms of which are disordered, randomly occupying crystallographic positions of the same kind. The IR reflection spectra have been process
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30f84b3e1bbac525dca993463ad674a1
https://doi.org/10.1134/s0030400x19070130
https://doi.org/10.1134/s0030400x19070130
Publikováno v:
JETP Letters. 109:606-609
The phonon and electronic properties, the Eliashberg function and the temperature dependence of resistance of electride Ca2N are investigated by the DFT-LDA (density functional theory in local density approximation) plane-wave method. The phonon disp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8001a012b3c9c68e7e4340934222afed
https://doi.org/10.1134/s0021364019090029
https://doi.org/10.1134/s0021364019090029
Autor:
A.S. Galkin, V. V. Denisov, M.S. Kuznetsov, V.N. Denisov, A.A. Sukhanov, S. A. Nosukhin, D. D. Prikhodko, S. A. Tarelkin, Vladimir Blank, Kirill N. Boldyrev, B. N. Mavrin, S.A. Terentiev
Publikováno v:
Physical Review B. 102
The electronic band structure of the phosphorus-doped high-quality high-pressure and high-temperature--grown single crystal diamond was studied by infrared absorption, magneto- and electron paramagnetic resonance spectroscopy, and first-principles ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::edccb09902a4fd362f64d8661cd7c8c1
https://doi.org/10.1103/physrevb.102.115153
https://doi.org/10.1103/physrevb.102.115153
Autor:
Gérard Aka, Sergei A. Klimin, Pascal Loiseau, Suchinda Sattayaporn, B. N. Mavrin, Kirill N. Boldyrev
Publikováno v:
Journal of Luminescence
Journal of Luminescence, Elsevier, 2020, 219, pp.116895-. ⟨10.1016/j.jlumin.2019.116895⟩
Journal of Luminescence, Elsevier, 2020, 219, pp.116895-. ⟨10.1016/j.jlumin.2019.116895⟩
Single crystals of Pr3+ doped hexa-aluminate Sr0.7La0.3Mg0.3Al12O19 (ASL) were prepared for spectroscopic characterization. We investigated their optical spectroscopic properties in σ and π polarization of light. Absorption spectra were recorded in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::74b81dce08b7bd112ab39bf3b761d96c
https://hal.archives-ouvertes.fr/hal-03488461/file/S0022231319318319.pdf
https://hal.archives-ouvertes.fr/hal-03488461/file/S0022231319318319.pdf
Autor:
B. N. Mavrin
Publikováno v:
Journal of Experimental and Theoretical Physics. 127:1016-1021
Ab initio calculations were used to determine the structure, electronic zone dispersion, partial (atomic and orbital) densities of states, and levels of impurity–vacancy cluster (MV)– (M = Si, Ge, Sn) in diamond. Wavefunctions were determined in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::240096ab99b2efed96bbb2c725ba207b
https://doi.org/10.1134/s1063776118120208
https://doi.org/10.1134/s1063776118120208
Autor:
A. A. Timofeev, B. N. Mavrin, Sergey V. Chekalin, Evgeny A. Ryabov, B. N. Mironov, S. A. Aseev, A. A. Ishchenko, A. A. Sokolik, Igor V. Kochikov
Publikováno v:
Journal of Experimental and Theoretical Physics. 127:422-429
The modification of a graphene sheet, which was fabricated by chemical vapor deposition on a close-meshed copper grid, during powerful femtosecond laser irradiation is studied. The process of long-term irradiation of a sample in vacuum is found to be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b36b9968ab434aa20f92b37cc2cc37fe
https://doi.org/10.1134/s1063776118080058
https://doi.org/10.1134/s1063776118080058
Publikováno v:
Journal of Physics and Chemistry of Solids. 116:331-337
We report an experimental and theoretical investigation of the electronic structure and optical properties of B12P2 crystals in the energy range up to 60 eV. Experimental studies are performed by the method of electron energy loss spectroscopy, and t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58b8d1c3480f05637642dc12e3677e3b
https://doi.org/10.1016/j.jpcs.2018.02.005
https://doi.org/10.1016/j.jpcs.2018.02.005
Publikováno v:
Journal of Luminescence. 193:119-124
We report on the quantum yield ( η ) and decay time (τ) measurements at room temperature for the bright red-orange (602 nm) luminescence from new germanium-vacancy (Ge-V) centers in nano- and microcrystalline diamonds synthesized at high pressure a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::64331af96dce635707fab22256b9c84c
https://doi.org/10.1016/j.jlumin.2017.07.031
https://doi.org/10.1016/j.jlumin.2017.07.031
Autor:
B. N. Mavrin
Publikováno v:
Journal of Experimental and Theoretical Physics. 125:495-501
The dielectric functions and energy loss spectrum of electrons of a rhombohedral α-B12 crystal are studied both in the single-particle and many-particle approximations using Bethe–Salpeter equations. The opposite roles of different contributions t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b601258df0e0b9ef82971ce36cd17b9
https://doi.org/10.1134/s1063776117080076
https://doi.org/10.1134/s1063776117080076