IRTUM – Institutional Repository of the Technical University of Moldova

Browsing Facultatea Calculatoare, Informatică şi Microelectronică by Title

Browsing Facultatea Calculatoare, Informatică şi Microelectronică by Title

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  • Quantum Oscillations in Topological Insulator Bi2Te2Se Microwires Contacted with Superconducting In2Bi Leads 
    KONOPKO, Leonid; NIKOLAEVA, Albina; HUBER, Tito (Springer Nature Switzerland, 2023)
    We studied the magnetoresistance (MR) of polycrystal Bi2Te2Se topological insulator (TI) microwires contacted with superconducting In2Bi leads. Bi2Te2Se has a simple band structure with a single Dirac cone on the surface ...
  • Quantum Oscillations of Conductivity in Bismuth Wires 
    CONDREA, Elena (Technical University of Moldova, 2011)
    Measurements of the resistance of bismuth nanowires with several diameters and different quality reveal oscillations on the dependence of resistance under uniaxial strain at T = 4.2 K. Amplitude of oscillations is significant ...
  • Quantum photon conversion via coherently driven permanent dipole systems 
    CARLIG, S.; MIRZAC, A.; BARDETSKI, P.; MACOVEI, M. A. (Universitatea Tehnică a Moldovei, 2021)
    The photon quantum dynamics in a damped single-mode quantized cavity field coupled with a resonantly driven two-level system possessing nonzero permanent dipoles is investigated here. The interacting subsystems are very ...
  • Quantum size effect in semimetal bismuth antimony wires and films 
    NIKOLAEVA, Albina; KONOPKO, Leonid; GRABOV, Vladimir; DEMIDOV, Evghenii; KABLUKOVA, Natalia; KOMAROV, Vladimir; POPOV, Ivan (Tehnica UTM, 2014)
    — We present the experimental results of an investigation of the electron transport of semimetal single- crystal Bi1-xSbx films and wires in temperature range 4.2-300 K. Bi-3at.%Sb films were prepared by the vacuum discrete ...
  • Quasi-one-dimensional organic crystals with improved thermoelectric properties 
    CASIAN, A.; BALMUS, I.; DASHEVSKY, Z.; SCHERRER, H.; DUSCIAC, V.; DUSCIAC, R. (Technical University of Moldova, 2005)
    Thermoelectric properties of quasi-one-dimensional (Q1D) organic crystals with the interference of two main electron-phonon interactions are considered. The electrical conductivity, thermopower, electronic thermal conductivity ...
  • Quasi-vertical Schottky-structures for THZ-applications 
    COJOCARI, O.; SYDLO, C.; HARTNAGEL, H.-L.; TIGINYANU, I. M. (Technical University of Moldova, 2005)
    This paper presents the results of a systematical work on the improvement of high-frequency performance of quasi-vertical structures for THz-applications. Three versions of structure-design based on a quasi-vertical concept ...
  • Quasisurface Nonlinear Waves in Symmetric Three–Layer Structure with Metamaterial Film 
    KOROVAI, O. V. (Tehnica UTM, 2015)
    A theory of TE-polarized nonlinear nonsymmetric quasisurface waves propagating in a symmetric planar three-layer structure with metamaterial core and nonlinear substrates is pretended. It is shown that in such structure ...
  • Quelques idées sur la linguistique informatique 
    TCACI, Olga; SEVERIN, Olga; ISTRATI, Daniela (Technical University of Moldova, 2009)
    Les découvertes linguistiques tendent à montrer que la langue se comporte comme un système. Cependant, c'est un système difficile à cerner, quelquefois flou (jugements grammaticaux et d'acceptabilité de Chomsky). Il faut ...
  • Radiation Effects in Low Dimensional Semiconductor Structures 
    SOBOLEV, Nikolai A. (Technical University of Moldova, 2009)
    The paper presents a survey of effects occurring in Si-Ge and III-V quantum dots, quantum wells, quantum wires and superlattices upon electron and proton irradiation as well as upon ion implantation. The important issue ...
  • 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 ...
  • Radiation of a point dipole in “spherical semiconductor quantum dot + spherical metal nanoparticle” structure (theory) 
    GERU, Ion; KORBUTYAK, Dmytro; KRYUCHENKO, Yurii (Tehnica UTM, 2013)
    A model is proposed allowing considering radiation of semiconductor quantum dot (QD) in a vicinity of metal nanoparticle (NP) as radiation of an ensemble of unit cells, from which the QD consists. It is shown that each ...
  • Radiative properties of GaSe and GaSe: Eu nanolamellar structures intercalated with Cd 
    UNTILA, D.; CARAMAN, M.; CANȚER, V.; EVTODIEV, Ig. (Technical University of Moldova, 2015)
    In this work the crystalline structure, surface morphology, photoluminescence (PL) and absorption spectra of CdSe-GaSe and CdSe-GaSe<Eu> composites are studied in the fundamental absorption band edge region. The studied ...
  • Radiative Recombination of Bound Excitons in MoSe2:I2 Layered Crystals 
    SIMINEL, M.; NEDELEA, V.; SUSHKEVICH, K.; SIMINEL, A.; MICU, A.; KULYUK, L. (Tehnica UTM, 2019)
    The steady-state and time-resolved photoluminescence (PL) of excitons bound on intercalated iodine molecules was studied for the first time in MoSe2:I2 layered single crystals. Along with narrow exciton spectral lines ...
  • Radiative Transitions in Sm2+ Doped ZnAl2Se4 and KCl Crystals 
    TIRON, Andrew; ZALAMAI, Victor; RUSU, Emil; SYRBU, Nicolae; BEJAN, Nicolae (Technical University of Moldova, 2017)
    Photoluminescence spectra of ZnAl2Se4:Sm2+ and KCl:Sm2+ due to the processes of charge carriers recombination from levels 5Dj,5Lj,5Gj and 5Hj (4f55d1) on levels 7Fj of samarium ions were investigated. The broad photoluminescence ...
  • Radio-absorption shielding 
    BARANOV, S. A.; POPOV, V. V.; QIN, F. X. (Tehnica UTM, 2014)
    A correlation between the frequency of natural ferromagnetic resonance (NFMR) (1 to 12 GHz), determined from the dispersion of permeability, and alloy composition (or magnetostriction between 1 and 40 ppm) of glass-coated ...
  • Raman Spectra of TiO2 Thin Films Deposited Electrochemically and by Spray Pyrolysis 
    SHISHIYANU, S.; STRATAN, Gh.; VARTIC, V.; ZARRELLI, M.; GIORDANO, M.; RUSU, E.; SHISHIYANU, T. (Technical University of Moldova, 2013)
    In this paper we present our experimental results concerning the fabrication of TiO2 thin films by spray pyrolysis and electrochemical deposition method onto different substrates – Corning glass, Si and optical fibers. The ...
  • Random lasers: 30 years of development 
    URSAKI, V. V. (Universitatea Tehnică a Moldovei, 2015)
    In this report an overview of random lasers development is presented staring from the first theoretical prediction of random laser action by Letokhov about 50 years ago and the first experimental demonstration by Markushev ...
  • Raportul juridic 
    CHERDIVARA, Artiom; ROSCA, Veronica (Tehnica UTM, 2015)
    Dreptul, ca un sistem de norme indisolubil legate între ele, nu constituie un scop în sine. El este creat în vederea realizării funcţiilor sale, printre care locul primordial aparţine funcţiei de a reglementa conduita ...
  • Rare earth activated phosphors for different applications 
    NAZAROV, Mihail (Tehnica UTM, 2013)
    For the purpose of development of highly energy-efficient light sources, one needs to design highly efficient green, red and yellow phosphors, which are able to absorb excitation energy and generate emissions. Using double ...
  • Ratingul Global al vinurilor pe baza analizei statistice a rezultatelor concursurilor profesionale de vin 
    BANTUȘ, Anastasia (Universitatea Tehnică a Moldovei, 2021)
    Актуальность темы магистерской диссертации обусловлена тем, что винная отрасль Республики Молдова играет значительную роль в экономике страны. Виноделие является стратегическим сектором, так как около 90% вина ежегодно ...

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