Articole din publicaţii internaţionale: Recent submissions

  • Frenkel excitons and band structure in Sb2S3 single crystals 
    BERIL, S. I.; STAMOV, I. G.; TIRON, A. V.; ZALAMAI, V. V.; SYRBU, N. N. (Elservier, 2020)
    Anisotropy of optical properties of Sb2S3 single crystals was investigated at 11 and 300 K. Ground and excited states of four excitonic states (A, B, C and D) were found out. Parameters of observed excitons and bands V1 – ...
  • Formation of InGaAs layers onto InP substrates by liquid-phase epitaxy 
    SYRBU, N. N.; DOROGAN, V. V.; CREŢU, R. V. (Elservier, 1996)
    The results of In0.53Ga0.47As InP epitaxial structure interface investigation are presented. It is shown that the transition from InP to In0.53Ga0.47As layer is associated with an interfacial transitional layer formation ...
  • Fine structured low temperature luminescence of CdP2 
    BINDEMANN, R.; FISCHER, H.; KREHER, K.; SYRBU, N. N. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1975)
    In this note we report photoluminescence spectra of tetragonal CdP2 single crystals at 4.2 K whichi show much more structure than the spectral published so far (3, 4).
  • Тонкая структура линий поглощения в кристаллах ZNP2 моноклинной модификации 
    СЫРБУ, Н. Н.; CTAMOB, И. Г.; РАДАУЦАН, С. И. (Russian Academy of Sciences, 1982)
    В настоящей работе исследованы спектры поглощения в кристаллах ZnP2-C25h состоящие из девяти линий, укладывающихся в обратную водородоподобную серию, и шести линий, сходящихся в коротковолновую сторону. Спектры обнаруживаются ...
  • Far Infrared and Raman Optical Study of CdInGaS4, CdIn2S4, HgInGaS4 and CdIn2S2Se2 Crystals 
    SYRBU, N. N.; RADAUTSAN, S. I.; CRETU, R. V.; TEZLEVAN, V. E.; MOLDOVEANU, N. A. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1996)
    Raman and infrared reflectivity spectra of CdInGaS4, CdIn2G4, HgInGaS4, and CdIn2S2Se2 crystals have been investigated. The fiindamental phonon parameters, the limiting dielectric constants ϵ0 and ϵ∞ and the reflectivity ...
  • Excitons and energetic bands structure of ZnP2-С2h 5 crystals 
    STAMOV, I. G.; DOROGAN, A. V.; SYRBU, N. N.; ZALAMAI, V. V. (Open Science Publishers, 2014)
    Reflectivity and transmittance spectra of ZnP2-C2h 5 crystals in the region of A, B and C excitons and E>Eg had been researched. The spectra had been calculated using dispersion correlations and the Kramers-Kronig correlations. ...
  • Excitonic spectra in HgGa2Se4 crystals 
    SYRBU, N. N.; ZALAMAI, V. V. (Elservier, 2018)
    Ground and excited states of four excitonic series (A, B, C and D) were discovered in HgGa2Se4 crystals at 10 K. Parameters of excitons and bands were determined. An effective mass of electrons mc is equal to 0.26m0 and ...
  • Excitonic spectra and energy band structure of ZnAl2Se4 crystals 
    SYRBU, N. N.; ZALAMAI, V. V.; TIRON, A. V.; TIGINYANU, I. M. (Elservier, 2015)
    Absorption, reflection and wavelength modulated reflection spectra were investigated in ZnAl2Se4 crystals. The energy positions of ground and excited states for three excitonic series (А, В and С) were determined. The main ...
  • Excitonic spectra and band structure of CdGa2Se4 birefractive crystals 
    SYRBU, N. N.; STAMOV, I. G.; PARVAN, V. I.; ZALAMAI, V. V.; TIGINYANU, I. M. (Elservier, 2013)
    We report on the intersection of spectral dependences of refractive indices no and ne at the wavelengths 546nm (λ0) and 450nm (λ01) in CdGa2Se4 single crystals. The value of difference Δn=ne−no is equal to zero at the ...
  • Excitonic polaritons of zinc diarsenide single crystals 
    SYRBU, N. N.; STAMOV, I. G.; ZALAMAI, V. V.; DOROGAN, A. (Elservier, 2017)
    Excitonic polaritons of ZnAs2 single crystals had been investigated. Parameters of singlet excitons with Г2¯(z) symmetry and orthoexcitons 2Г1¯(y)+Г2¯(x) had been determined. Spectral dependencies of ordinary and extraordinary ...
  • Excitonic Polaritons in ZnAs2 
    SYRBU, Nicolae; STAMOV, Ivan; DOROGAN, Andrei; NEMERENCO, Lucretia (IOP Publishing, 2006)
    The allowed exciton transitions n=1,2,3 were revealed in the reflection spectra of ZnAs2 monocrystals at 10 K. Transverse and longitudinal exciton energies, longitudinal splitting value, translation and reduced exciton ...
  • Exciton-phonon spectra in CuIn/sub 1-x/Ga/sub x/S/sub 2/ crystals 
    SYRBU, N. N.; NYARI, T.; BOGDANASH, M.; TEZLEVAN, V. E. (IEEE, 1999)
    In the present paper the excitonic reflectivity and the wavelength derivative reflection (WDR) study of CuGa/sub x/In/sub x-1/Se/sub 2/ solid solutions are presented. The states n=1, n=2 and n=3 of A, B, C exciton series ...
  • Экситон-фононные спектры в дифосфиде цинка 
    СЫРБУ, Н. Н.; ХАЧАТУРОВА, С. Б. (Ioffe Institute, 1985)
    В модулированных по длине волны спектрах поглощения моноклинных кристаллов ди-фосфида цинка в поляризации Ej_c выявлены запрещенные непрямые переходы в экситон-ную зону 72=1 с участием £0-фононов симметрии Г4 . По спектрам ...
  • Exciton-phonon spectra in CuIn/sub 1-x/Ga/sub x/S/sub 2/ crystals 
    RADAUTSAN, S. I.; SYRBU, N. N.; CRETU, R. V.; TEZLEVAN, V. E. (IEEE, 1997)
    In this work, the wavelength derivative reflection (WDR) spectra of CuIn/sub 1-x/Ga/sub x/S/sub 2/ crystals have been investigated in the region of A, B and C series. The n=1, n=2 and n=3 states are determined and contours ...
  • Exciton - phonon spectra and energy band structure of crystals 
    SYRBU, N. N.; BOGDANASH, M.; TEZLEVAN, V. E.; STAMOV, I. G. (IOP Publishing, 1997)
    The excitonic reflectivity spectra and the wavelength derivative reflection spectra have been investigated. The n = 1, n = 2 and n = 3 states of the A, B and C exciton series are determined. The exciton binding energies ...
  • Exciton spectra and energy band structure of CuGaSe2 single crystals 
    LEVCHENKO, S.; SYRBU, N. N.; TEZLEVAN, V. E.; ARUSHANOV, E.; MERINO, J. M.; LEÓN, M. (IOP Publishing, 2008)
    Photoreflectivity, wavelength modulation spectroscopy and photoluminescence measurements of CuGaSe2 are used to determine the exciton and band parameters as well as the energy band structure of CuGaSe2 at photon energies ...
  • Exciton spectra and energy band structure of Cu2ZnSiSe4 
    GUC, M.; LEVCENKO, S.; DERMENJI, L.; GURIEVA, G.; SCHORR, S.; SYRBU, N. N.; ARUSHANOV, E. (Elservier, 2014)
    Exciton spectra are studied in Cu2ZnSiSe4 single crystals at 10 and 300K by means of reflection spectroscopy. The exciton parameters, dielectric constant and free carriers effective masses are deduced from experimental ...
  • Exciton and phonon spectra of acoustooptic Tl3AsS3 crystals 
    GITSU, D. V.; SYRBU, N. N.; PRUNICH, P. I.; POPESKU, A. A. (Springer Nature Switzerland, 2001)
    The λ-modulated exciton reflection spectra of Tl3AsS3 crystals are investigated at 8 and 77 K, in which the ground (n=1) and excited (n=2, 3) exciton states are revealed. Taking into account the spatial dispersion, the ...
  • Энергетическая структура зон некоторых кристаллов группы AIIBIVCV2 
    КЕСАМАНЛЫ, Ф. П.; КРОИТОРУ, С. Г.; РУДЬ, Ю. В.; СОБОЛЕВ, В. В.; СЫРБУ, Н. Н. (Russian Academy of Sciences, 1965)
    Общее и детальное сходство спектров отражения кристаллов ZnSnAs2 , ZnSiP2 , ZnSiAs2 и групп A I V , A n l B v убедительно свидетельствует о справедливости предположений работы о весьма большом сходстве структур энергетических ...
  • Energy Band Structure of the Tetragonal Crystals ZnP2 and CdP2 
    SOBOLEV, V. V.; SYRBU, N. N.; SUSHKEVICH, T. N. (John Wiley & Sons, Inc., 1971)
    The anisotropic spectra of edge absorption, photoconductivity, emission, and reflectivity of the tetragonal ZnP2 and CdP2 crystals have been experimentally investigated in the range 1 to 12.5 eV. The selection rules for ...

Search DSpace


Browse

My Account