Colecția instituțională: Recent submissions

  • Inventions as Promoters of Scientific and Technical Progress 
    BOSTAN, I.; DULGHERU, V. (Springer Nature B. V., 1997)
    The development of society in the XX century brought creativity to the foreground of research. It happened because practically in all fields of activity the social demand for creativity became really urgent. In other words, ...
  • 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 ...
  • The Synergy Between Cyber and Nuclear Security. Case Study of Moldova 
    BUZDUGAN, Aurelian; BUZDUGAN, A. (Springer Nature B. V., 2020)
    We will discuss in this paper the regulation which specifies the minimum cyber security requirements across the public institutions [1], which includes as well civil NR operators. We will reflect the current state of cyber ...
  • 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 ...
  • Conversion of Renewable Kinetic Energy of Water: Synthesis, Theoretical Modeling, and Experimental Evaluation 
    BOSTAN, Ion; GHEORGHE, Adrian V.; DULGHERU, Valeriu; BOSTAN, Viorel; SOCHIREANU, Anatol; DICUSARĂ, Ion (Springer Science+Business Media B. V., 2011)
    The current paper deals with concepts for conversion of the kinetic energy of fluent water into mechanical and finally electrical energy. A distinct objective is the study of the energetic potential of the Republic of ...
  • 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 ...
  • Wind Energy 
    BOSTAN, Ion; GHEORGHE, Adrian; DULGHERU, Valeriu; SOBOR, Ion; BOSTAN, Viorel; SOCHIREAN, Anatolie (Springer Science+Business Media B. V., 2013)
    Wind energy has been used by mankind over thousands of years. For over 3,000 years the windmills have been used for pumping water or grinding (milling). And nowadays, in the century of information technologies, nuclear ...
  • 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 ...
  • Symbolic and Numerical Calculation of Transport Integrals for Some Organic Crystals 
    CASIAN, A.; DUSCIAC, R.; DUSCIAC, V.; PATSIUK, V. (Springer-Verlag Berlin Heidelberg, 2006)
    The kinetic integral equation for a quasi-one-dimensional organic crystal is solved exactly, and the expression for the electrical conductivity is presented as a transport integral. The latter has two singularities depending ...
  • 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 ...
  • Influence functions, integral formulas, and explicit solutions for thermoelastic spherical wedges 
    ŞEREMET, Victor; CRETU, Ion (Springer Nature Switzerland, 2013)
    In this study, newexact Green’s functions and a newexact Green-type integral formula for a boundary value problem (BVP) in thermoelasticity for some spherical wedges with mixed homogeneous mechanical boundary conditions ...
  • Calculation of optical functions of exciton and electron transitions by means of Kramers-Kronig relations in CuAlS2 crystals 
    STAMOV, I. G.; SYRBU, N. N.; KORZUN, B. V.; URSAKI, V. V.; DOROGAN, A. V.; MASNIK, A. (Academy of Sciences of Moldova, 2013)
    Excitonic reflection spectra of CuAlS2 crystals were measured at a temperature of 10 K for E||c and Ec polarizations. The shapes of the lines of ground states of Г4 and Г5 excitons were calculated by means of the ...
  • Nanostructured ZnO produced from ZnTe for random laser applications 
    ZALAMAI, V.; BURLACU, A.; POSTOLACHE, V.; RUSU, E. V.; URSAKI, V. V.; TIGINYANU, I. M. (Academy of Sciences of Moldova, 2010)
    We propose to produce ZnO nanostructured material by thermal treatment in oxygen ambient of bulk ZnTe crystals and nanowires obtained by electrochemical treatment. Bulk ZnTe crystals are transformed into granular ZnO media ...
  • Metrological simulators of electrical passive quantities with algorithmic structure 
    NASTAS, V. (Academy of Sciences of Moldova, 2010)
    This Review contains the systematization of the material in the domain of metrological simulators of electrical passive quantities with an algorithmic structure (MS-A, for simplicity), used as reference elements in impedance ...
  • Valorificarea resurselor regenerabile ale Republicii Moldova în contextul integrării în UE 
    RUSU, Nicolae; LÎSÎI, Aliona (Academia de Studii Economice din Moldova, 2020)
    The problem of using alternative energy sources has been and remains very current both nationally and internationally, especially in the context of depletion of oil reserves, pollution generated by its use, but also the ...

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