Articole ştiinţifice: Recent submissions

  • Characterization of structure and luminescence of titania nanotubes 
    ENACHI, M.; TROFIM, V.; COSEAC, V.; TIGINYANU, I. M.; URSAKI, V. V. (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2009)
    The morphology, structural, and optical properties of porous titania layers prepared by electrochemical oxidation of Ti foils are studied as a function of technological conditions of preparation and post-electrochemical-oxidation ...
  • Conductibility and irradiation stability of single crystals ZnIn2S4 
    PINTEA, V.; ARAMA, E.; GHEORGHITSA, E.; MACIUGA, A.; ZHITAR, V. (Academy of Sciences of Moldova, 2014)
    This study presents the results of investigations on the conductivity and irradiation stability of single crystals ZnIn2S4 in a wide range of incident electron energies (3075 keV) and respective doses (10141020 cm2). The ...
  • Structure and luminescence properties of porous alumina templates doped with rare earth elements and transition metals 
    ENACHI, M.; TROFIM, V.; COSEAC, V.; TIGINYANU, I. M.; URSAKI, V. V. (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2009)
    We propose to develop phosphor materials on the basis of porous alumina templates doped with rare earth elements and transition metals. This issue is especially important in connection with the development of random lasers, ...
  • Optical properties of significant acousto-optic crystals 
    MUSINSCHI, V.; CARAMAN, M.; MUSINSCHI, C.; SYRBU, N. (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2009)
    The interest in the study of the optical properties of TeO2 and PbMoO4 crystals is determined not only by the fundamental physical mechanisms present in these materials but also by a wide spectrum of possible applications ...
  • Nonlinear phenomena of Fröhlich phonons in biological media 
    ROTARU, Anatol; CIOBANU, Nellu; TRONCIU, V. Z. (Academy of Sciences of Moldova, 2013)
    Nonlinear cooperative stationary phenomena are studied for the interaction of Bose-condensed phonons with millimeter electromagnetic radiation in the biological media. The real and imaginary parts of the dielectric ...
  • Synthesis of cartesian coordinates metrological impedance simulators 
    NASTAS, Vasile (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2008)
    This paper contains some problems of synthesis and analysis of the metrological simulators of impedance, suitable for using as the measures in impedance meters. There are presented two types of simulators for reproducing ...
  • Tandem blue-violet quantum well InGaN lasers with high-frequency self-pulsations 
    ANTOHI, I.; RUSU, S.; TRONCIU, V. Z. (Academy of Sciences of Moldova, 2013)
    Theoretical investigations have been carried out to study the dynamics of tandem blue–violet lasers. The theoretical results show that self-pulsating operations are possible if one of the regions is adjusted with an external ...
  • Chaos based communications using on-off shift keying method 
    TRONCIU, Vasile; COLET, P.; MIRASSO, C. (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2008)
    We discuss the dynamical behavior of a single mode semiconductor laser under the influence of multiple optical feedbacks. It is shown that the system displays, under certain conditions, chaotic behaviours appropriate for ...
  • Modelling of the thermoelectric power factor in quasi-one-dimensional organic crystals 
    CASIAN, Anatolie; DASHEVSKY, Zinovi; SCHERRER, Hubert; BALMUŞ, Ion; DUŞCIAC, Viorel (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2008)
    Thermoelectric power factor is modelled in some quasi-one-dimensional organic crystals as a function of Fermi energy and different crystal parameters at room temperature. Two main electron-phonon interaction mechanisms and ...
  • Excitability and coherence resonance of DFB laser with passive dispersive reflector 
    TRONCIU, Vasile (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2008)
    We investigate the phenomena of excitability and coherence resonance of single mode DFB laser with passive dispersive reflector. We show that under an appropriate level of noise the excitable element can display the coherence ...
  • On the occasion of 75th anniversary of full universite professor,correspondent member of the Academy of Sciences of Moldova Teodor Shishiyanu 
    KANTSER, Valeriu (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2008)
    The present paper illustrates some aspects of scientific investigations of Professor Teodor Shishiyanu together with the research of Professor Rajendra Singh (USA) in order to outline the value of the obtained results in ...
  • Cathodoluminescence emission study of nanostructured SnO2 films deposited by spray pyrolysis 
    KOROTCENKOV, Ghenadie; HAN, S. D.; NAZAROV, Mihail (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2008)
    In this paper the results of cathodoluminescence (CL) emission study of undoped and doped SnO2 films are discussed. SnO2 films were deposited by spray pyrolysis method. It was shown that the study of CL emission is effective ...
  • Kinetical Energy of River Running Water 
    BOSTAN, Ion; GHEORGHE, Adrian; DULGHERU, Valeriu; SOBOR, Ion; BOSTAN, Viorel; SOCHIREAN, Anatolie (Springer Science+Business Media B. V., 2013)
    The inevitable increase of global energy consumption and the risk of a major environmental impact and climate change as a result of burning fossil fuels opens wide prospects for the exploitation of renewable energies. ...
  • Development of a Horizontal Axis Wind Turbine for the Production of Thermal Energy 
    BOSTAN, Viorel; BOSTAN, Ion; SOBOR, Ion; DULGHERU, Valeriu; GLADIS, Vitalie (Springer International Publishing AG, 2018)
    The wind energy conversion systems could play a significant role in the production of mechanical, electrical and thermal energy in the Republic of Moldova, in particular for providing the individual consumer with energy ...
  • Synthesis and characterization of photosensible CH3NH3PbI3 and CH3NH3PbI3–x Cl x Perovskite Crystalline Films 
    PLESCO, I.; POSTOLACHE, V.; VOLODINA, G.; ZALAMAI, V.; GHIMPU, L.; TIGINYANU, I. (Springer Nature Switzerland, 2017)
    Methylammonium lead-halide perovskites are very promising for applications as solar light-harvesting materials. This paper presents a study on the methylammonium iodide and iodide-chloride perovskite films prepared by spin ...
  • The impact of high energy ion irradiation upon CO gas sensitivity of nanostructured GaN epilayers 
    VOLCIUC, O. S.; POPA, V.; TIGINYANU, I. M.; SKURATOV, V. A.; CHO, M.; PAVLIDIS, D. (Springer Nature Switzerland, 2010)
    Photoelectrochemically nanostructured GaN epilayers were found to exhibit good sensitivity towards CO in the temperature range from 180 to 280°C. We show that subjection of nanostructured GaN samples to 166 MeV Xe+23 ion ...
  • Plasma treatment and surface sensibilization of tin dioxide films for enhancement of gas sensitivity 
    BRYNZARI, V.; DMITRIEV, S.; KOROTCHENKOV, G. (Academy of Sciences of Moldova, 2005)
    This paper presents result of investigation aimed at the improvement of gas sensitive properties of SnO2 thin film gas sensors (TFGS) by means of high frequency (HF) oxygen plasma treatment and its surface doping. Used ...
  • Diagrammatic approach for the twofold degenerate Anderson impurity model 
    MOSKALENKO, V. A.; DOHOTARU, L. A.; DIGOR, D. F.; CEBOTARI, I. D. (Academy of Sciences of Moldova, 2013)
    The twofold degenerate Anderson impurity model is investigated in normal and superconducting states, and the strong electronic correlations of d-electrons of impurity ion are taken into account by elaborating a suitable ...
  • SnO2 thin film parameter influence on gas sensitive characteristics 
    DMITRIEV, S.; BRYNZARI, V.; KOROTCHENKOV, G. (Academy of Sciences of Moldova, 2005)
    In this report we present results of investigation of influence of the parameters of SnO2 thin film on their gas sensitive properties. SnO2 films were deposited by spray pyrolysis method. The influence of technologic ...
  • Application of surface charge lithography to nanostructuring of GaN epilayers 
    POPA, V. Iu.; VOLCIUC, O.; TIGINYANU, I. M.; SARUA, A.; HEARD, P. (Springer Nature Switzerland, 2008)
    It is shown that treatment of GaN epilayers by a low energy low dose focused ion beam with subsequent photoelectrochemical etching represent an efficient tool for GaN nanostructuring. Direct “writing” of a surface negative ...

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