Browsing 2011 by Issue Date

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  • GaAs Epitaxial Microrelief Layer 
    BARANOV, Simion; CINIC, Boris; ENACHI, Mihail; GORCEAC, Leonid; SUMAN, Victor (Technical University of Moldova, 2011)
    It is a report about an epitaxial GaAs relief layer with 3 μ of thickness growth in Ga –AsCl3 – H2 system on n-GaAs (n=2x1018cm-3) substrate with multiple crystallization centers. Crystalline lattice on substrate surface ...
  • Energy Transfer in Organic Luminophore Nanocomposites 
    VERLAN, V.; ANDRIESH, A. M.; CULEAC, I.; POPUSHOI, A.; DRAGALIN, G.; BARBĂ, N.; BUZURNIUC, S.; MALAHOV, L. (Technical University of Moldova, 2011)
    New light-emitting layers of nanocomposites on polymer base have been obtained. As polymeric matrices the poly-N-vinylpirrolidone has been used. As organic luminophore matertials new compound from izotiocianatopropenone ...
  • Microstructure of Nb/CuNi Nanostructures 
    MORARI, Roman; KEHRLE, Jan; ZDRAVKOV, Vladimir; ANTROPOV, Evgenii; PREPELITSA, Andrei; SOCROVISCIUC, Alexei; OBERMEIER, Gunter; MÜLLER, Claus; HORN, Siegfrid; TAGIROV, Lenar; TIDECKS, Renhard; SIDORENKO, Anatolie (Technical University of Moldova, 2011)
    Results of High Resolution Transmission Electron Microscopy (HRTEM) and scanning Auger Electron Spectroscopy (AES) results for CuNi/Nb/CuNi nanostructures prepared by magnetron sputtering are presented and discussed.
  • Light and Thermal Induced Modification of the Refractive Index in As45S15Se40 Glasses 
    IOVU, M. S.; BENEA, V. G.; COLOMEICO, E. P.; COJOCARU, I. A. (Technical University of Moldova, 2011)
    The experimental investigations of the influence of the light irradiation on the optical parameters of amorphous As45S15Se40 thin films prepared by „flash” thermal evaporation was investigated. From the experimental ...
  • The Radiation Effects on Structural Defects and Reliability of High-k MOS Gate Dielectrics 
    SHISHIYANU, Sergiu T. (Technical University of Moldova, 2011)
    The effects of γ – irradiation on the physical and electrical properties of ZrO2 and HfO2 based high-k MOS structures were studied. The doses of γ –irradiation applied have been up to 80 Gray. The C-Vcharacteristics seeing ...
  • Effect of cadmium doping on some properties of glass-insulated bismuthbased microwires 
    MEGLEI, D.; DYNTU, M. (Technical University of Moldova, 2011)
    The results show the possibility of using microwires of cadmium doped bismuth as a magnetic field sensor. The technique of preparation of microresistors using the studied microwires is proposed; these microresistors have ...
  • Comportarea ferofluidelor în câmpuri magnetice de joasă intensitate 
    BUZDUGA, Corneliu; BENABOU, Abdelkader; BEŞLIU, Victor; MARUSIC, Galina; FILOTE, Constantin; CIUFUDEAN, Călin (Technical University of Moldova, 2011)
    În acest articol prezentăm comportarea ferofluidului de tip APG E32 în prezenţa unui câmp magnetic. Experimentul s-a bazat pe introducerea unui tub cu ferofluid într-un câmp magnetic produs de doi electromagneţi, punctul ...
  • Unconventional magnetic properties of La1-xBaxMnO3 thin films grown on SrTiO3(100) by metalorganic aerosol deposition 
    BELENCHUK, A.; CANTSER, V.; MOSHNYAGA, V.; SAPOVAL, O.; ZASAVITSKI, E. (Technical University of Moldova, 2011)
    Epitaxial La1-xBaxMnO3 thin films were grown on SrTiO3(100) substrates by metalorganic aerosol deposition technique. AFM surface analysis indicates a layer-by-layer growth mode. The occurrence of Laue thickness fringes in ...
  • Detection in the contacts with bismuth-antimony alloy when the surface states are in dynamic regime 
    KERNER, Iacov (Technical University of Moldova, 2011)
    Diode detectors (DD) are widely used in electronic information and communication systems. In this paper the numerical modeling of the electrical potential distribution and current passing in the contacts of niobium nitride ...
  • Bobinaje pentru maşini electrice de curent continuu cu comutatoare erconice 
    Eugeniu CATLABUGA (Technical University of Moldova, 2011)
    In lucrare se prezintă scheme de bobinage înseriate prin ercoane cu contact deschis elaborate pentru maşini electrice de curent continuu cu scopul ameliorării comutaţiei in procesul de funcţionare a maşinei electrice. ...
  • On/Off phase shift keying encryption method of semiconductor lasers with an air gap 
    TRONCIU, V. Z.; RUSU, S. S.; RUSU, A. S. (Technical University of Moldova, 2011)
    We discuss the dynamical behaviour of a single mode semiconductor laser with an air gap under the influence of multiple optical feedbacks. It is shown that the system displays, under certain conditions, chaotic behaviours ...
  • Топологические Переходы Полупроводник-Полуметалл в Нитях Bi1-ХSbх при Анизотропной Деформации 
    НИКОЛАЕВА, Альбина; КОНОПКО, Леонид; ХУБЕР, Тито; ПОПОВ, Иван; МОЛОШНИК, Евгений (Technical University of Moldova, 2011)
    Получены монокристаллические нити Bi1-хSbх в полупроводниковой области концентраций (0,05< х< 0,12) в стеклянной оболочке с диаметрами от 1 мкм до 2мкм. При анизотропной деформации типа одноосного растяжения (до 2 % ...
  • On the dynamics of multimode semiconductor lasers 
    TRONCIU, V. Z. (Technical University of Moldova, 2011)
    Temperature on the dynamics of InGaAsP Fabry-Perot lasers. Based on the rate equation model multimode case is examined. In the bifurcation analysis the regions with instabilities in the evolution of the mode intensities ...
  • Area distribution of dark diode leakage currents in a-Si:H solar cell panel 
    BEROV, M. N.; SHISHIYANU, S. T.; SHISHIYANU, T. S.; GUEORGUIEV, V. K. (Technical University of Moldova, 2011)
    The effectiveness of solar cell panels depends from the shunt and series resistance of the panel. Significant power losses caused by the presence of a shunt resistance are typically due to manufacturing defects, rather ...
  • Bifilar microwires based on bismuth and tin 
    MEGLEI, D.; DYNTU, M. (Technical University of Moldova, 2011)
    These studies and analysis of the literature data showed that these BMs can be used for the manufacture of sensing devices. In this work, we propose a technique of preparation of transducers using the studied BMs suitable ...
  • Topological materials and topological quantum computing 
    KANTSER, V. (Technical University of Moldova, 2011)
    A paradigm to build a quantum computer based on topological invariants is highlighted. The identities in the ensemble of knots, links and braids originally discovered in relation to topological quantum field theory are ...
  • Thermoelectric Properties of Wires Bi2Te3 in the Glass Coating p and n Type 
    MEGLEI, Dragosh; CUROSHU, Nikolai; STICH, Ivan (Technical University of Moldova, 2011)
    The aim of our research was to prepare micro- and nanowires of n- and p-type Bi2Te3 in glass insulation and to study their thermoelectric properties as a function of heat treatment, i.e., annealing, recrystallization, and ...
  • Transport theory of Schottky barrier diodes 
    KLYUKANOV, A. A.; GASHIN, P. A.; SCURTU, R. (Technical University of Moldova, 2011)
    A microscopic many-body transport approach for electronic properties of spatially inhomogeneous systems is developed at the fully quantum-mechanical level by means of plane wavelets second quantization representation. It ...
  • MAD preparation of manganites based multilayered structures 
    SAPOVAL, Oleg (Technical University of Moldova, 2011)
    Metalorganic aerosol deposition is a suitable technique for the synthesis of a wide range of complex oxides thin films. The present paper reports on growth of high quality multilayered structures on the base of functional ...
  • Aspecte de Modelare şi Analiză a Proceselor de Calcul Orientate pe Servicii Reconfigurabile 
    ŢURCANU, Iurie; GUŢULEAC, Emilian; PALII, Diana (Technical University of Moldova, 2011)
    În lucrare sunt considerate unele aspecte arhitecturale, de modelare şi analiză a proceselor sistemelor de calcul orientate pe servicii reconfigurabile (OSR) prin reţele Petri reconfigurabile stocastice (RPRS). În acest ...

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