Articole din publicaţii naţionale: Recent submissions

  • Kinematics of waves interactions in undular frames 
    MIRONOV, B. (Academy of Sciences of Moldova, 2005)
    In this paper the concept of undular frame is defined as a system of tools consisting of waves, having the same nature as observed waves. Such definition of used tools set is equivalent to the problem about behavior and ...
  • Peierls structural transition in quasi-one-dimensional organic crystals 
    ANDRONIC, S.; CASIAN, A. (Academy of Sciences of Moldova, 2013)
    Peierls transition in quasi-one-dimensional organic crystals of tetrathiofulvalene-tetracyanoquinodimethane (TTF-TCNQ) type is studied in the case where the conduction band is half filled and Fermi dimensionless quasi ...
  • Electron - phonon interaction in strongly correlated systems. Acoustical phonon case 
    DIGOR, D. F.; DOHOTARU, L. A.; ENTEL, P.; MOSKALENKO, V. A.; VLADIMIR, M. I. (Academy of Sciences of Moldova, 2005)
    We investigate the interaction of strongly correlated electrons with acoustical phonons in the frame of Hubbard-Holstein model. The electron-phonon interaction and on-site Coulomb repulsion are considered to be strong. ...
  • Spin density waves and superconductivity in strongly correlated electron systems 
    DIGOR, D. F.; DOHOTARU, L. A.; ENTEL, P.; MOSKALENKO, V. A.; VLADIMIR, M. I. (Academy of Sciences of Moldova, 2005)
    A special diagram technique recently proposed for strongly correlated electron systems is used to study the peculiarities of a spin-density-wave (SDW) in competition with superconductivity. This method allows to formulate ...
  • Exciton spectra of CuInSe2 crystals 
    NEMERENCO, L. (Academy of Sciences of Moldova, 2005)
    The excitonic reflectivity spectra and the wave-length derivative reflection spectra have been investigated for CuInSe2 crystals. The n =1, n =2 and n = 3 states of A, B and C exciton series are revealed and the contours ...
  • Thermoelectric properties of Pb1-xSnxTe/PbTe quantum well structures 
    SUR, I.; CASIAN, A.; KANTSER, V.; DASHEVKY, Z. (Academy of Sciences of Moldova, 2005)
    The search of material with improved thermoelectric properties continues to be important and urgent problem. The first investigation of thermoelectric opportunities of low dimensional structures began about decade ago ...
  • Interband optical transitions in the region of exciton resonances in In0.3Ga0.7As/GaAs quantum wells 
    SYRBU, N.; DOROGAN, A.; DOROGAN, V.; VIERU, T.; URSAKI, V.; ZALAMAI, V. (Academy of Sciences of Moldova, 2012)
    Reflectance spectra of quantum wells (QWs) with 8-nm-thick In0.3Ga0.7As layers with a 9-nm-thick GaAs barrier layer up and a 100-nm-thick barrier layer down were investigated in the spectral range of 0.5–1.6 eV in S- and ...
  • Dynamics of blue-violet InGaN lasers with different saturable absorber designs 
    TRONCIU, V. Z. (Academy of Sciences of Moldova, 2006)
    A review is presented of a range of investigations of the CW, self-pulsating and excitable behaviour of blue-violet InGaN lasers with different designs of saturable absorber. Bifurcations have been identified that are ...
  • Structural-information parameters of dissipative structures on DILIS-M system surface 
    CONSTANTINOV, B. (Academy of Sciences of Moldova, 2006)
    In the present paper there are considered problems concerning analysis of stability of dissipative structures with viscous friction, i.e. dielectric liquid metal electrode (DILIS-M). Theory of kinetic energy changes ...
  • Gas sensing characterization of tellurium thin films by the Kelvin probe technique 
    TSIULYANU, D.; MARIAN, S.; MOCREAC, O. (Academy of Sciences of Moldova, 2012)
    The sensing behavior of tellurium films at room temperature was tested with environmental pollutant gases, such as NO2, CO, O3, and water vapor, using the Kelvin probe technique. A significant sensitivity was observed for ...
  • Intense luminescence from porous ZnSe layers 
    MONAICO, Ed.; UBRIETA, A.; FERNANDEZ, P.; PIQUERAS, J.; TIGINYANU, I.M.; URSAKI, V. V.; BOYD, R. W. (Academy of Sciences of Moldova, 2007)
    We report on the possibility to prepare ZnSe porous layers with different degrees of porosity by means of electrochemical methods. The prepared porous structures were characterized using scanning electron microscopy ...
  • Semiconductor-oxide nanocomposites based on porous semiconductors 
    SIRBU, L.; URSAKI, V. V.; TIGINYANU, I. M.; DOLGALEVA, Ks.; BOYD, R. W. (Academy of Sciences of Moldova, 2007)
    Rare-earth containing oxide nanocomposites are prepared of porous GaP and GaAs templates in a controlled fashion. The initial porous GaP and GaAs networks are replaced by GaPO4 and Ga2O3 structures, respectively, during ...
  • Free and bound exciton luminescence of ZnP2 –D48 
    SYRBU, N. N.; STAMOV, I. G.; DOROGAN, A. V.; NEMERENCO, L. L. (Academy of Sciences of Moldova, 2007)
    Thin structure of polarized absorption spectra of indirect transitions with phonon emission in the ZnP2 crystals is investigated. In the luminescence spectra, radiation of phonons at annihilation of free excitons ...
  • Some features of absorption and photoluminescence of wulfenite (PbMoO4) crystals 
    MUSINSCHI, V.; MUSINSCHI, C. (Academy of Sciences of Moldova, 2012)
    A description of experimental results of studying the optical absorption and photoluminescence (PL) of tetragonal (class 4/m ) PbMoO4 crystals is given. The light absorption (λ ≈ 0.30.5 μm) shows that the edge absorption ...
  • Interference of resonance luminescence of exciton polaritons in CuGaS2 crystals 
    SYRBU, N. N.; NEMERENCO, L. L.; STAMOV, I. G.; BEJAN, V. N.; TEZLEVAN, V. E. (Academy of Sciences of Moldova, 2007)
    vol. 6 (2), pp. 194-200. ISSN 1810-648X. The nonmodulated and wavelength-modulated reflection spectra of CuGaS2 crystals for the polarization Е||c of 10 K are studied. The states n = 1, 2 and 3 of the excitons Γ4 ...
  • Superposition of free and bound exciton emission spectra in ZnP2-D48 
    STAMOV, I. G.; SYRBU, N. N.; URSAKI, V. V.; IVANENCO, Yu. (Academy of Sciences of Moldova, 2011)
    Bound exciton lines are found in the luminescence spectra of Mn, Sn, Cd, and Sb doped tetragonal zinc diphosphide crystals at the temperature of 10 K. Zero phonon lines of bound and free exciton emission, as well as their ...
  • Exciton spectra and energy band structure of CuAlSe2 crystals 
    SYRBU, N. N.; DOROGAN, A. V.; MASNIK, A.; URSAKI, V. V. (Academy of Sciences of Moldova, 2011)
    The main exciton parameters and the refined values of the energy intervals V1(Г7) - C1(Г6), V2(Г6) - C1(Г6) and V3(Г7) - C1(Г6) in CuAlSe2 crystals are discussed. The crystal field and spin-orbit splitting of the balance ...
  • Absorption and photoconductivity of PbMoO4 crystals 
    MUSINSCHI, V.; CARAMAN, M.; MUSINSCHI, C. (Academy of Sciences of Moldova, 2011)
    Spectral characteristics of the fundamental absorption coefficient and photoconductivity of PbMoO4 crystals with two polarizations in a temperature range of 77 to 300 K are investigated. The measurements of light transmitted ...
  • Specific features of radiative recombination spectra of ZnIn2S4 single crystals 
    ARAMA, E.; GHEORGHITA, E.; PINTEA, V.; ZHITAR, V. (Academy of Sciences of Moldova, 2013)
    Radiative recombination spectra of Mn-doped zinc tioindat single crystals have been analyzed in the work. The emission spectra interval close to its maximum (1.91 ± 0.2 eV) contains a number of special features which were ...
  • Numerical optimization of metallized titania nanotube morphologies for negative index material flat lens applications 
    SERGENTU, V.; ZALAMAI, V.; ENACHI, M.; URSAKI, V. V.; TIGINYANU, I. M. (Academy of Sciences of Moldova, 2010)
    We perform numerical calculation in order to optimize the morphology of metallized titania nanotubes from the point of view of flat lens application based on NIM. An efficient multiple-scattering approach is used to calculate ...

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