Articole din publicaţii internaţionale: Recent submissions

  • Energy Band Structure of CuInS2 Crystals 
    SYRBU, N. N.; CRETU, R. V.; TEZLEVAN, V. E. (John Wiley & Sons, Inc., 1998)
    In this work the reflectivity spectra and wave-length derivative reflectivity (WDR) spectra of CuInS2 crystals have been investigated in the region E ≥ Eg. The n = 1, n = 2 and n = 3 excitonic states are determined and ...
  • Energetic band structure of Zn3P2 crystals 
    STAMOV, I. G.; SYRBU, N. N.; DOROGAN, A. V. (Elservier, 2013)
    Optical functions n, k, ε1, ε2 and d2ε2/dE2 have been determined from experimental reflection spectra in the region of 1–10eV. The revealed electronic transitions are localized in the Brillouin zone. The magnitude of valence ...
  • Asigurarea calităţii şi valabilității pâinii cu făină de porumb 
    BANTEA-ZAGOREANU, Valentina; GHENDOV-MOŞANU, Aliona (Universitatea de Stat „Bogdan Petriceicu Hasdeu“, Cahul, 2017)
    The subject of this paper relates to the investigation of the composition of high quality wheat flour bread with the addition of corn flour, in order to analyze the methods of controlling bread diseases during preservation. ...
  • Energetic band structure and optical spectra of CdGa2Se4, CdGa2S4 and CdAl2S4 crystals 
    SYRBU, N. N.; TEZLEVAN, V. E. (Elservier, 1995)
    Reflectivity spectra of CdGa2Se4, CdGa2S4 and CdAl2S4 crystals have been investigated in the range 1–6 eV for the polarization E∥c and E⊥c at 300 and 77 K. The valence band splitting caused by spin-orbital interaction and ...
  • Electronic and Vibrational Reflectivity and Absorption Spectra in ZrS2Crystals 
    SYRBU, Nicolae N.; CEBOTARI, Vladimir Z.; MOLDOVEANU, Nicolae P. (IOP Publishing, 1996)
    The study of both the absorption and λ-modulated absorption spectra have been investigated in the region of the lowest band gap. The reflectivity spectra of ZrS2 are presented in the region E>E g (1.5 to 6.5 eV). The IR ...
  • Electronic and optical properties of HgIn2S4 thiospinels 
    SYRBU, N. N.; TIRON, A.; ZALAMAI, V. V. (IOP Publishing, 2019)
    Photoluminescence (PL), transmission (T), reflection (R), wavelength modulated transmission (ΔT/Δλ) and reflection (ΔR/Δλ) spectra of thiospinel HgIn2S4 crystals were investigated in temperature interval form 10 to 300 K. ...
  • Влияние нарушения стехиометрии состава дифосфида цинка на спектры свободного экситона 
    РАДАУЦАН, С. И.; СЫРБУ, Н. Н.; ХАЧАТУРОВА, С. Б.; СТРАТАН, Г. И.; ПЕЕВ, Л. Г. (Russian Academy of Sciences, 1973)
    В настоящей работе исследованы экситонные водородоподобные состояния двух новых типов кристаллов ZnP2 в поляризациях Е || с (спектры отражения) и Е 1 с (спектры поглощения) и сопоставлены с оптическими спектрами. Показано ...
  • Edge Absorption of CdIn2S4 Single Crystals in the Region of Indirect Transitions 
    RADAUTSAN, S. I.; SYRBU, N. N.; TEZLEVAN, V. E.; SHERBAN, K. F.; BARAN, N. P. (Willey Online Library, 1973)
    This note presents results of edge absorption investigations of CdIn2S4 single crystals in the region of indirect transitions on crystals having different carrier concentration.
  • Double Davydov resonance in the vibrational spectra of Tl3AsS4 and Tl3PS4 crystals 
    SYRBU, N. N.; KRASOVSKY, V. T. (Elservier, 1995)
    Raman spectra of Tl3AsS4 and Tl3PS4 have been investigated at 300 and 77 K. The vibrational modes Ag, B1g, B2g and B3g are determined. The vibrational mode splittings caused by Davydov resonances are determined. Infrared ...
  • Davydov multiplets in vibrational spectra of and crystals 
    SYRBU, N. N.; CEBOTARI, V. Z. (IOP Publishing, 1998)
    In this paper the Raman vibrational spectra for all actually realized geometries of and crystals at 77 K, and infrared reflectivity spectra for both and polarizations in the range from 50 to at 300 K have been investigated. ...
  • Current sign inverter guided by polarization 
    STAMOV, I. G.; SYRBU, N. N.; DOROGAN, A. V.; NEMERENCO, L. L. (Elservier, 2008)
    In this work, there are studied the photodetectors’ properties (photocurrent sign inverter) of a linear polarized radiation realized on the basis of anisotropic semiconductors. The photocurrent sign guiding is made by the ...
  • Bound exciton in CuGaS2 
    SYRBU, N. N.; NEMERENCO, L. L.; BEJAN, V. N.; TEZLEVAN, V. E. (Elservier, 2007)
    In CuGaS2 crystals absorption and luminescence spectra at the temperature 9K at excitation by different wavelengths of Ar laser are investigated. A series of lines available in luminescence and absorption spectra is found. ...
  • Birefringence of ZnP2-D48 and Characteristics of Ме-ZnP2 Diodes 
    STAMOV, I. G.; SYRBU, N. N.; NEMERENCO, L.; ZALAMAI, V. (Open Science Publishers, 2015)
    Spatial dispersion in ZnP2-D4 8 has been studied. The spectral dependences of the refractive index nс (Е||с, k||a), nа (Е||а, k||с) and nb (E||b, k||c) had been determined. ZnP2-D4 8 crystals are isotropic at λо=612nm ...
  • Birefringence of SnSe single crystals in excitonic and electronic transitions region 
    ZALAMAI, V. V.; TIRON, A. V.; RUSU, E. V.; SYRBU, N. N. (IOP Publishing, 2019)
    Absorption spectra in temperature range 300–10 K were studied. The minimal band gap A1 (1.091 eV at 300 K) is formed by direct allowed in E∣∣c polarization and forbidden in E∣∣a polarizations transitions. The next interval ...
  • Research in Computer Science in the Republic of Moldova: A Bibliometric Analysis 
    TURCAN, Nelly; COȘULEANU, Ion; GRECU, Mihai; CUJBA, Rodica (Romanian Library Association, 2019)
    This paper presents results of bibliometric and text-based analysis of Computer Science research output produced by academia from the Republic of Moldova during the 2013-2018 years. The authors have collected data for ...
  • The impact of organic food on the moldavan market 
    CALCATINIUC, Dumitru; GRIŢCO, Cătălina; CHIRSANOVA, Aurica; BOIŞTEAN, Alina (Institutul de Microbiologie şi Biotehnologie, 2018)
    According to the latest data from the Organic Agency, the market of food products from organic farming has again experienced a strong increase in 2011. Indeed, it rose from 3.385 billion to 3.755 billion EUR, an increase ...
  • Possibilities of using soy proteine isolate for the packaging of Juglans Regia l. Nuts 
    BOIŞTEAN, Alina; CHIRSANOVA, Aurica (Institutul de Microbiologie şi Biotehnologie, 2018)
    The walnut has gained popularity because of its specific attractive organoleptic properties and high levels of essential fatty acids and bioactive components such as antioxidants. Walnut production is widely distributed ...
  • Principii metodologice de cercetare a tribosistemului cu alunecare la mişcări ciclice de tip piston-cilindru 
    POŞTARU, Andrei; CEBAN, Victor; POŞTARU, Gheorghe; CROITORU, Dumitru (Academia de Științe a Moldovei, 2011)
    The paper addresses the methodological issues of research regarding the behaviour of the tribosystems with cyclic slip in terms of contact dynamics processes. Considering the fact that in the contact occur simultaneously ...
  • Birefringence of Cu2ZnSiSe4 single crystals 
    SYRBU, N. N.; ZALAMAI, V.; GUC, M.; LEVCENKO, S.; DOROGAN, A.; ARUSHANOV, E. (Elservier, 2015)
    In Cu2ZnSiSe4 single crystals an interference spectra of the Fabry–Perot type due to observed birefringence were studied and spectral dependence of the refractive index n|| (E||c) and n⊥ (E⊥c), which intersect at isotropic ...
  • Перспективы совершенствование и развитие новых электрохимических процесов 
    КОСОВ, В. (Academia de Ştiinţe a Moldovei, 2011)
    The paper presents brief information about the creator of the scientific school of applied electrochemistry in Moldova, Doctor of Technological Sciences, professor, ASM academician Yu. N. Petrov, scientific interests and ...

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