Articole ştiinţifice: Recent submissions

  • Manufacturing highly conductive ceramic targets and thin films of ZnO 
    COLIBABA, G.; FEDOROV, V.; RUSNAC, D.; GRABCO, D.; MONAICO, E.; PETRENCO, P.; ROTARU, C. (Academia de Ştiinţe a Moldovei, 2019)
    The present investigation addresses a novel approach for sintering ZnO ceramics by means of chemical vapor transport (CVT) using compound transport agents. The typical size of obtained ZnO ceramics was 25 mm in diameter ...
  • Phonons near Peierls structural transition in the nanostructured tetrathiotetracene-iodide crystal 
    ANDRONIC, Silvia; CASIAN, Anatolie (Academia de Ştiinţe a Moldovei, 2019)
    The behavior of the Peierls structural transition in quasi-one-dimensional organic crystals of tetrathiotetracene-iodide (TTT2I3) for different values of carrier concentration is analyzed in 3D approximation. In the frame ...
  • Theoretical studies of the dynamics of two section blue-violet semiconductor lasers 
    TRONCIU, Vasile (Academia de Ştiinţe a Moldovei, 2019)
    We report results on the numerical investigations of the dynamical behavior of two section lasers. We find that the system displays, under certain conditions, sub-10-ps pulses. We sort out that the optimized structure for ...
  • The interaction between Endothelial Cells and Gallium Nitride nanoparticles 
    BRANISTE, Tudor; ANDREE, Birgit; BENECKE, Nils; RAEVSCHI, Simion; PLESCO, Irina; CEBOTARI, Serghei; HAVERICH, Axel; TIGHINEANU, Ion; HILFIKER, Andres (Academia de Ştiinţe a Moldovei, 2019)
    In this study, human umbilical vein endothelial cells (HUVECs) were investigated in direct contact with Gallium Nitride (GaN/Fe) based nanoparticles. GaN is a compound semiconductor material, with remarkable characteristics ...
  • Effect of chlorine on the conductivity of ZnO:Ga thin films 
    COLIBABA, G. V.; RUSNAC, D.; FEDOROV, V.; MONAICO, E. I. (Springer Nature Switzerland, 2021)
    An extensive study of the effect of various technological factors on the electrical properties of ZnO thin films obtained by DC magnetron sputtering of ZnO:Ga:Cl ceramic targets on glass substrates has been carried out. ...
  • An Ontology Selection and Ranking System Based on the Analytic Hierarchy Process 
    GROZA, Adrian; DRAGOSTE, Irina; SINCAI, Iulia; JIMBOREAN, Ioana; MORARU, Vasile (IEEE, 2014)
    Selecting the desired ontology from a collection of available ones is essential for ontology reuse. We address the problem of evaluating, ranking and selecting ontologies according to user preferences. We exploit the ...
  • An Approach to Schedule Production using the Reservation Tables 
    ZAPOROJAN, Sergiu; MORARU, Vasile; GROZA, Adrian (Springer Nature Switzerland, 2015)
    This paper deals with the problems of scheduling of manufacturing where specific requirements have to be considered like production of microwire and specialized products based on it. Scheduling of such production systems ...
  • A Newton-type method for convex quadratic programming 
    MORARU, Vasile; MELNIC, Radu (IEEE, 2006)
    In this paper it is talked over Newton-type method for the problem of minimizing a convex quadratic function subject to linear constraints. The determination of the Karush-Kuhn-Tucker system solution is reduced to the ...
  • Determination of frequency deviation caused by doppler effect on Earth-Moon-Earth communication 
    ILCO, Valentin; LEVINEŢ, Nicolai (Universitatea de Stat „Bogdan Petriceicu Hasdeu“, Cahul, 2016)
    Making an Earth-Moon-Earth communication (EME), at the RX frequency occurs the change of frequency compared to the transmission one. This change is due to the appearance of the Doppler effect caused by motion of the ...
  • Creating an online learning system in engineering sciences in the Republic of Moldova 
    TODOS, Petru; SECRIERU, Nicolae (Asociatia Generala a Inginerilor din Romania, 2012)
    Aceasta lucrare reflecta dezvoltarea retelei Interuniversitare eLearn Moodle în conformitate cu proiectul TEMPUS «Crearea Retelei digitale interuniversitare în domeniul stiinţelor aplicate si economie din Republica Moldova ...
  • Architecture of interuniversity's digital network in applied science themes and economics in Moldova “Crunt 
    SECRIERU, Nicolae; TODOS, Petru; GUVIR, Stela; GHENCEA, Cristina (“Carol I” National Defence University, Bucureşti, 2013)
    This paper deals with the architecture of interuniversity's Moodle eLearning network developed in accordance with the TEMPUS project «Creating Digital Network Universities in Applied Science Themes and Economics in Moldova ...
  • The Biexciton Influence on Bose-Einstein Condensation of Orthoexcitons in Cu2O 
    BOBRYSHEVA, A. I.; MOSKALENKO, S. A.; RUSSU, S. S. (John Wiley & Sons, Inc., 1991)
    The influence of the biexcitons formed from two orthoexcitons on the Bose-Einstein condensation (BEC) of orthoexcitons and the possibility of the BEC of biexcitons is studied theoretically. It is shown that the existence ...
  • Об одном способе создания высокой плотности долгоживущих экситонов Γ+2 в кристалле Cu2O 
    БОБРЫШЕВА, А. И.; РУССУ, С. С.; ХАДЖИ, П. И.; МОСКАЛЕНКО, С. А. (Российская академия наук, 1983)
    Кристалл Си20 является благоприятным объектом для наблюдения БЭК экситонов. Экситон желтой серии с п~1 состоит из электрона в зоне проводимости Г. и дырки в валентной зоне Г7. Обменное взаимодействие электрона и дырки ...
  • True, quasi and unstable Nambu–Goldstone modes of the two-dimensional Bose–Einstein condensed magnetoexcitons 
    MOSKALENKO, S. A.; LIBERMAN, M. A.; SNOKE, D. W.; DUMANOV, E. V.; RUSU, S. S.; CERBU, F. (Elsevier, 2013)
    The collective elementary excitations of two-dimensional magnetoexcitons in a Bose–Einstein condensate (BEC) with wave vector k→=0 were investigated in the framework of the Bogoliubov theory of quasi-averages. The Hamiltonian ...
  • The Renormalization of the Energetical Spectrum and the Peculiarities of High Density Paraexciton Luminescence Band 
    BOBRYSHEVA, A. I.; MOSKALENKO, S. A.; SHMIGLYUK, M. I.; RUSSU, S. S. (John Wiley & Sons, Inc., 1995)
    The renormalization of the energetical spectrum of paraexcitons in the presence of a Bose-Einstein condensate (BEC) of orthoexcitons or at least of their saturation is studied. Due to the conversion of a pair of orthoexcitons ...
  • The Para- and Ortho-Phases of High-Density Excitons in Cu2O 
    MOSKALENKO, S. A.; RUSSU, S. S.; BALTAGA, V. V.; BOBRYSHEVA, A. I.; LELYAKOV, A. V. (John Wiley & Sons, Inc., 1985)
    The quasiequilibrium state of the two-component non-linear ortho-para-exciton gas is investigated. The concentration shifts of the exciton levels are taken into account at high densities of quasiparticles. Three exciton ...
  • The influence of the Rashba spin-orbit coupling on twodimensional magnetoexciton-polaritons in microcavity 
    DUMANOV, E. V.; MOSCALENCO, S. A.; PODLESNY, I. V.; LIBERMAN, M. A.; RUSU, S. S.; BAJIREANU, V. M. (Institutul de Fizică Aplicată al AŞM, 2014)
    Our results concern the electron-radiation and Coulomb electron-electron interactions in system of two-dimensional (2D) electron-hole pairs on the layer embedded into the microcavity and subjected to the action of a strong ...
  • The Bihole in Quantum Well Structures 
    BOBRYSHEVA, A. I.; RUSSU, S. S.; ZALOJ, V. A. (John Wiley & Sons, Inc., 1987)
    In GaAs–Ga1−xAlxAsmany quantum well structures or superlattices the top valence subband VB1 of size quantization is heavy-hole-like HH1 and the effective mass m1 is positive. The second valence subband VB2 has a heavy-hole ...
  • Optical Properties of Biexcitons in ZnSe/Zn1−xMnxSe Quantum Wells 
    BOBRYSHEVA, A. I.; RUSSU, S. S. (John Wiley & Sons, Inc., 1990)
    It is shown that in ZnSe/(Zn, Mn)Sequantum wells six biexcitonic states can exist. The group-theoretical classification of these states is performed. The probabilities of biexciton two-photon absorption, hyper-Raman ...
  • Nonlinear Optical Processes Due to Polaritons and Biexcitons in a Microcavity Enclosed Quantum Well 
    BOBRYSHEVA, A. I.; SHMIGLYUK, M. I.; RUSSU, S. S. (John Wiley & Sons, Inc., 1999)
    A theoretical investigation of one- and two-photon absorption of weak probe light, respectively, by exciton-polaritons and biexcitons in the presence of a strong laser pulse in a planar microcavity embedded quantum well ...

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