Conferinţe: Recent submissions

  • Optimization of light action spectra for porphyrins in vivo 
    BARUN, V.; DICK, S.; SONTEA, V.; ABRAMOVICH, N.; SERYAKOV, A. (Tehnica UTM, 2014)
    Light action spectra for main skin chromophores are simulated. Porphyrins are selected as target chromophores. They can produce singlet oxygen (SO) reactions under tissue irradiation, which acts as a natural photosensitizer. ...
  • Luminescent properties of triple semiconductors under the action of X rays 
    MACIUGA, A.; RADU, R.; PÎNTEA, V.; STRATAN, I.; NISTIRIUC, I. (Technical University of Moldova, 2005)
    This article focuses on the description of triple semiconductors of type, especially , and the researeh instalation over luminescent properties under the action of accelerated electrons and X-rays. VI III II C B A 4 2 4 2 S CdGa.
  • Peculairities of impurity influience in weakly degenerated systems 
    BODIUL, Pavel; PEEV, Leonid (Technical University of Moldova, 2005)
    It is experimentally found that small additions to bismuth of elements of the IV and VI groups lead to such change in concentration of free charge carriers that it is less than one electron per atom and considerably depends ...
  • Thermower in weacly degenerated systems 
    BODIUL, Pavel; PEEV, Leonid (Technical University of Moldova, 2005)
    Doping of semimetals with impurities of the IV and VI groups considerably influences kinetic properties of these systems and it is one of the methods for investigation of peculiarities of the free carrier band spectrum. ...
  • Electron and lattice properties of weakly degenerated systems at low temperatures 
    BODIUL, P.; SOROCHIN, S.; COTÎRŞEV, S.; CEBOTĂREANU, A.; ODAINÎII, G.; CEOBANU, S. (Technical University of Moldova, 2005)
    In the present paper two independent methods were used. By the field and temperature dependences of the phonon thermopower in the ultraquantum limit (UQL) and by the temperature dependence of the size-sensitive part of ...
  • Recombinational radiation in doped crystals of zinc diphosphide 
    PEEV, L. G. (Technical University of Moldova, 2005)
    In the case of semiconductors with an indirect energy gaps of interdicted zones of the type ZnP2 (D84) optical transition with absorption and emission of phonons are found in the free exiton zone. In the case of alloyed ...
  • Chalcogenide semiconductors as gas sensors 
    TSIULYANU, Dumitru (Technical University of Moldova, 2005)
    A brief survey of experimental results to gas sensing with chalcogenide semiconductor based devices is given. It is pointed out that physical phenomena such as electrical conductivity can be coupled to chemical reactions ...
  • Effect of contacts and thickness on the NO2 sensing properties of tellurium based films 
    TSIULYANU, Alexantru (Technical University of Moldova, 2005)
    The influence of contacting materials, and thickness of the tellurium based films on their electrical conductivity and sensitivity to NO2 is given. It is shown that until thickness is below 100 nm the conductivity increases ...
  • Exciton-phonon spectra in CuIn1-XGaXS2 crystals 
    NEMERENCO, L. L. (Technical University of Moldova, 2005)
    In this work, the wave-length derivative reflection (WDR) spectra of CuIn1-xGaxS2 crystals have been investigated in the region of A, B and C series. The n = 1, n = 2 and n = 3 states are determined and centers of exciton ...
  • Polarized fiber sensor 
    TSURCANU, D. N.; NISTIRIUC, I. V.; BEJAN, N. P.; BEREGOI, E. А.; ALEXEI, А. S.; NISTIRIUC, P. V. (Technical University of Moldova, 2005)
    Actually is paid a great attention to dispersed phases, especially to magneto-reologic liquids (MRL) [1]. Thus the growing role of MRL for production of optical circuits and fibers, based on those liquids properties to ...
  • Sub-natural spectral lines via quantum interferences 
    BARDETSCHI, Profirii; MACOVEI, Mihai (Technical University of Moldova, 2005)
    The interaction of a single three-level ladder system with an external applied coherent field and damped via the surrounding electromagnetic field modes is investigated. It is demonstrated that the fluorescence spectral ...
  • Luminescence of ZnSe crystals grown with different vapor transport agents 
    ENACHE, M.; URSAKI, V. V.; RUSU, E. V.; TAZLAVAN, V. E.; SONTEA, V. P.; TIGINYANU, I. M. (Technical University of Moldova, 2005)
    In this paper we compare the luminescence properties of bulk ZnSe crystals grown by vapor transport method with different transport agents in order to establish the influence of the transport agent on the relation between ...
  • The solar cells based on the mono-crystalline silicon and screen printing process 
    TROFIM, Viorel; MANOLE, Mihai; METLINSCHI, Pavel (Technical University of Moldova, 2005)
    In this work is described the developed technology of solar cells (S.C.) based on Si- mono-crystalline (residues from manufactory Mezon). The contacts of the solar cells are formed on the base of the conductor paste Pd-Ag, ...
  • The role of water and oxygen adsorption/desorption processes in kinetics of In2O3 gas response 
    KOROTCENKOV, G.; BRINZARI, V.; BLINOV, I.; IVANOV, M.; STETTER, J. (Technical University of Moldova, 2005)
    Kinetics of gas response is a important parameter of chemical sensor determining its adaptability for various applications. Therefore the definition of the nature of processes controlling the rate of both gas response and ...
  • In2O3 structure analysis by Raman spectroscopy 
    KOROTCENKOV, G.; RODRÍGUEZ, J.; CIRERA, A.; CORNET, A.; GOLOVANOV, V.; LYCHKOVSKY, Yu.; KARKOTSKY, G.; BORIS, I. (Technical University of Moldova, 2005)
    The analysis of Raman scattering of doped In2O3 ceramics was carried out and the mechanism of doping influence on In2O3 grain structure was suggested.
  • Influence of close space sublimation processing upon the granular growth of thin-film CdTe solar cells 
    GHIMPU, L.; URSAKI, V. V.; POTLOG, T.; SIRBU, L.; TIGINYANU, I. M. (Technical University of Moldova, 2005)
    In this paper we study the impact of CSS processing parameters upon the morphology of CdTe/CdS solar cells.
  • Epitaxial In2O3 layers for chemical sensors: structural and surface characterization 
    BRINZARI, V.; KOROTCENKOV, G.; MASEK, K.; MATOLIN, V.; LIBRA, J.; KAMEI, M. (Technical University of Moldova, 2005)
    Indium oxide is one of the basic oxides, which have been extensively studied [1-3] due to its prominent applications for gas sensor design, and as modeling material, possessed of some interesting chemical and structural ...
  • Blue lasers a key element for new generation of CD and DVD systems 
    TRONCIU, V. Z. (Technical University of Moldova, 2005)
    The theoretical and experimental investigations of the dynamics of blue InGaN quantum well lasers with different designs are reported in this paper. The bifurcations, which are on the origin of the phenomenon of self-pulsation ...
  • Effect of rapid photothermal processing on the C-V characteristics of anodic SiO2 films 
    ŞIŞIANU, Teodor; SONTEA, Victor; ŞIŞIANU, Sergiu; LUPAN, Oleg; POCAZNOI, Ion; RAILEAN, Serghei (Technical University of Moldova, 2005)
    The effect of rapid photothermal processing (RPP) in nitrogen on anodic SiO2 for high quality oxide preparation in terms of gate dielectrics in thin film transistors is reported. Samples prepared by anodic oxidation of ...
  • 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 ...

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