Articole ştiinţifice: Recent submissions

  • Nanoindentation of ZnSnO/Si thin films prepared by aerosol spray pyrolysis 
    MORARI, V.; PYRTSAC, C.; CURMEI, N.; GRABCO, D.; RUSU, E. V.; URSACHI, V. V.; TIGINYANU, I. M. (Publishing House of the Romanian Academy, 2021)
    Thin ZnSnO films with different thickness deposited on Si substrates by aerosol spray pyrolysis were investigated by scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX), X-ray diffraction (XRD), ...
  • Interference of exciton-polariton waves in GaSe nanocrystals 
    ZALAMAI, V. V.; STAMOV, I. G.; SYRBU, N. N. (Elsevier, 2021)
    Absorption, reflection, photoluminescence and wavelength modulation transmission spectra of GaSe single crystals were investigated in temperature rage 300 – 10 K. From fitting of contours of excitonic reflection spectra ...
  • Conceptual aspects and the most used practices in obtaining the reliability of entity value estimation 
    BIRCA, Iulita; TIRLEA, Rodica; GANEA, Victoria; BUZU, Olga (Institutul Naţional de Cercetări Economice al AŞM, 2021)
    Estimating the entity value is topical and of particular interest to managers and business owners, who in turn hope that through the evaluation they will obtain parallel and new possibilities for the business remediation. ...
  • Electronic transitions and energy band structure of CuGaxAl1-xSe2 crystals 
    MAȘNIK, A.; ZALAMAI, V.; URSAKI, V. (Elsevier, 2021)
    Optical reflectance spectra have been investigated at photon energies higher than the band gap of CuGaxAl1-xSe solid solutions with x values varying from 0 to 1. The spectral dependence of the real ε1 and imaginary ε2 ...
  • Injection photodiode based on an Al–p-Si–n-Zn85Mg15O–n-Zn65Mg35O–Ag structure 
    MORARI, V.; RUSU, E. V.; POSTOLACHE, V.; URSAKI, V. V.; TIGINYANU, I. M.; ROGACHEV, A. V.; SEMCHENKO, A. V. (Publishing House of the Romanian Academy, 2021)
    A series of Zn1−xMgxO thin films with the composition range x = 0.00–0.60 has been prepared by aerosol spray pyrolysis deposition on Si or quartz substrates. The morphology, composition, crystals structure, and optical ...
  • Feedback Sensitivity of Detuned DBR Semiconductor Lasers 
    TRONCIU, Vasile; WERNER, Nils; WENZEL, Hans; WÜNSCHE, Hans-Jürgen (IEEE, 2021)
    A distributed Bragg reflector (DBR) laser represents a simple realization of a semiconductor laser operating in a single longitudinal mode. We present a so far missing theoretical study how its reflection tolerance depends ...
  • Erbium upconversion luminescence from sol–gel derived multilayer porous inorganic perovskite film 
    RUDENKO, M. V.; GAPONENKO, N. V.; CHUBENKO, E. B.; LASHKOVSKAYA, E. I.; SHUSTSIKAVA, K. V.; RADYUSH, Yu. V.; ZHIVULKO, V. D.; MUDRYI, A. V.; WANG, M.; MONAICO, E. V.; STEPIKHOVA, M. V.; YABLONSKIY, A. N. (World Scientific Publishing, 2021)
    Erbium-doped barium titanate (BaTiO3:Er) xerogel film with a thickness of about 500 nm was formed on the porous strontium titanate (SrTiO3) xerogel film on Si substrate after annealing at 800∘C or 900∘C. The elaborated ...
  • Suveranitatea Republicii Moldova între război şi pace 
    CATAN, Victor (Universitatea Pedagogică de Stat „Ion Creangă“ din Chişinău, 2021)
    This article is dedicated to the analysis of the premises, causes, content and impact of the 1992 war to defend the independence and territorial integrity of the Republic of Moldova, the effect of the Moldovan-Russian ...
  • Pressure-induced band anticrossing in two adamantine ordered-vacancy compounds: CdGa2S4 and HgGa2S4 
    LIANG, A.; SHI, L. T.; GALLEGO-PARRA, S.; GOMIS, O.; ERRANDONEA, D.; TIGINYANU, I. M.; URSAKI, V. V.; MANJÓN, F. J. (Elsevier, 2021)
    This paper reports a joint experimental and theoretical study of the electronic band structure of two ordered-vacancy compounds with defect-chalcopyrite structure: CdGa2S4 and HgGa2S4. High-pressure optical-absorption ...
  • Design și arte plastice 
    PLATON, Liliana (Academia de Muzică, Teatru şi Arte Plastice, 2021)
    Lucrarea de faţă propune un studiu comparativ între domeniul designului şi al artelor plastice. Studiul evidenţiază cele mai importante principii de realizare plastică şi semantică utilizate în ambele domenii, urmărind ...
  • Atypical topological features of the Bi1-xSbx(0 ≤ x ≤ 0.2) nano-width bicrystaline boundaries 
    MUNTYANU, Fiodor M.; CHISTOL, Vitalie; CONDREA, Elena (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu", 2021)
    In this paper, we report a number of atypical features of superconductivity, weak ferromagnetism, and quantum transport observed at low temperatures at bicrystalline interfaces of the first predicted and experimentally ...
  • Electrophysical properties of ITO:Ga2O3 films grown by RF magnetron sputtering 
    SUMAN, Victor; MORARI, Vadim; RUSU, Emil V.; GHIMPU, Lidia; URSAKI, Veaceslav V. (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu", 2021)
    In this paper, the electrophysical properties of ITO:Ga2O3 thin films grown by RF magnetron sputtering on glass and sapphire substrates are studied. Targets prepared by mechanical pressing of ITO and Ga2O3 powders are used ...
  • Effect of aging, temperature, and ambient gases on the complex impedance of As2Te13Ge8S3 glassy films 
    CIOBANU, Marina; TSIULYANU, Dumitru (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu", 2021)
    The work is focused on the application of the impedance spectroscopy method to provide evidence and study the effects of aging, temperature, and gas adsorption in chalcogenide-based thin films. The experiments are carried ...
  • Development of fuzzy system management for solar panel motion using an Arduino microcontroller 
    COJOCARU, Victor P.; GHIMPU, Lidia; FEDORISIN, Teodor; GALUS, Rihart; SUMAN, Victor (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu", 2021)
    In this paper, the design of a system for the control of a solar panel motion by means of a servomotor based on an Arduino board is described. The system calculates optimum tracks and position of the sun to ensure that the ...
  • Învățarea creativă – fundamentul pregătirii inginerului viitorului 
    DULGHERU, Valeriu (Agentia de Stat pentru Proprietatea Intelectuala a Republicii Moldova (AGEPI), 2021)
    Astăzi problema învățării creative se pune tot mai pregnant din cauza că societatea contemporană solicită mai mult ca oricând creativitatea umană, progresul economic şi social fiind în mare măsură dependent de inteligenţa ...
  • Invariant sample-and-hold amplifier to the hold capacitor discharge 
    PENIN, Alexandr; SIDORENKO, Anatolie (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu", 2021)
    The conventional measurement signal sample-and-hold amplifier comprising a sample and hold circuit in the form of a sample switch, a voltage hold capacitor, and a voltage repeater further includes two similar sample-and-hold ...
  • Various manifestations of weak magnetism and superconductivity in inclination interfaces of Bi, Sb and Bi1-xSbx (0.07 ≤ x ≤ 0.2) alloys 
    MUNTYANU, Fiodor M.; NENKOV, Konstantin; ZALESKI, Andrzej J.; CONDREA, Elena; CHISTOL, Vitalie (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu", 2021)
    The magnetic properties of the nano-width bicrystal interfaces (CIs) of Bi, Sb and 3D topological insulator Bi1xSbx (0.06 ≤ x ≤ 0.2) are studied in a temperature range of 1.6–300 K. These materials do not show superconductivity ...
  • Birefringence, isotropic points, and optical filters based on CuAl/sub x/Ga/sub 1- x/Se(S)/sub 2/ crystals 
    MAȘNIC, Alisa; URSAKI, Veaceslav (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu", 2021)
    A brief review on birefringence and optical filters based on CuAl/sub x/Ga/sub 1- x/Se(S)/sub 2/ crystals is given in this paper. Two types of isotropic points are analyzed; one of them refers to a case when the wavelength ...
  • Comerţul internaţional și indicatorii săi principali 
    CĂRBUNE, Natalia (Universitatea de Stat din Tiraspol, 2022)
    După cum demonstrează statistica, în comerțului exterior, din ultimul un deceniu și jumătate, se observă creșterea stabilă și permanentă a comerțului exterior mondial, depășind ritmul de creștere a PIB, ceea ce vorbește ...
  • Utilizarea QR-codurilor în materialele didactice ale cursului "Grafica inginerească" 
    DÎNTU, Sergiu; BOTEZ, Alexei; ȘULETEA, Angela (Universitatea de Stat din Tiraspol, 2022)
    Necesitatea trecerii obiectului grafica inginerească la studii on-line și posibilitățile oferite de către instrumentele IT au contribuit la crearea materialelor de studiu ce combină manualele tradiționale cu resurse din ...

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