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  • 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 ...
  • 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 ...
  • Rational energy accumulation as a condition sine qua non for transition to sustainability 
    BOŞNEAGA, Iurie; BOLOGA, Mircea (Technical University of Moldova, 2017)
    In order to ensure optimal solutions for all-embracing energy issues, we elaborated scientifically based (mainly on Thermodynamics) Strategy of Sustainable Energy Development (3D-Strategy), founded on three principles: ...
  • Real-time control systems synthesis 
    SUDACEVSCHI, Viorica; ABABII, Victor; MAYKIV, Ihor; SACHENKO, Anatoliy; KOCHAN, Volodymyr; ROSHCHUPKIN, Oleksiy (Tehnica UTM, 2014)
    This paper presents a synthesis method of real-time control systems based on direct mapping of Petri net model into FPGA circuit. Synchronous timed Petri nets have been developed to specify and model the control system. ...
  • Real-time monitoring of accidental oil pollution in ground waters using an innovative transducer 
    CRETESCU, Igor (Tehnica UTM, 2013)
    The oil pollution of the environment is unfortunately very often reported not only by the Environmental Protections Agency, but also by tourists and environmental NGO. This is a serious problem for the nowadays society, ...
  • A Real-Time WebGL Rendering Piepeline for MRI Using RayCasting Tranfer Functions 
    CIUCU, R.; ADOCHIEI, F.; ADOCHIEI, I.; ARGATU, F.; LARCO, C. M.; GRIGORIE, L. (Tehnica UTM, 2019)
    We present a way to integrate real-time multi-intensity transfer functions in a web browser environment using WebGL. We apply a two-pass rendering in order to establish the opacity and color of the given MRI recording. ...
  • Realitatea virtuală. Ghidul spre lumea artificială 
    SAVA, Nina; NIRONES, Cristian (Tehnica UTM, 2017)
    Lucrarea de faţă abordează principalele caracteristici ale sistemelor de realitate virtuală, influenţa şi aplicabilitatea acestora în diferite domenii. Va fi determinat rolul realităţii virtuale în dezvoltarea ulterioară ...
  • Realitatea virtuală. Ghidul spre lumea artificială 
    SAVA, Nina; NIRONES, Cristian (Technical University of Moldova, 2017)
    Lucrarea de faţă abordează principalele caracteristici ale sistemelor de realitate virtuală, influenţa şi aplicabilitatea acestora în diferite domenii. Va fi determinat rolul realităţii virtuale în dezvoltarea ulterioară ...
  • The reason and pragmatic knowledge: retrieving the integrative meaning 
    BOGATU, Eugenia (Technical University of Moldova, 2021)
    Knowledge has a major role, both in the development of a person, but also of the whole society. Today's society is a society of knowledge. Knowledge cannot evolve separately from information. The quantity and quality of ...
  • Recent Biotechnological Approach to Genetically Determined Atrial Fibrillation 
    ARAD, Erez; HAIM, Lital; ATTIA, Guy; DAVIDOV, Ilan; SIDORENKO, Ludmila (Technical University of Moldova, 2022)
    The most prevalent persistent arrhythmia in cardiology is atrial fibrillation. Former atrial fibrillation which appears without any underlying reason was called „lone atrial fibrillation“. Due to new biotechnological methods ...
  • Recent Progress in GaN-based Devices for Terahertz Technology 
    SIRKELI, V. P.; TIGINYANU, I. M.; HARTNAGEL, H. L. (Tehnica UTM, 2019)
    This paper reviews the crystal growth, basic properties, and principle of operation of III-nitride based terahertz devices. We provide a brief history and current status of crystal growth of polar and non-polar GaN-based ...
  • Recent Progress of Cold Cathodes: Volcano-structured Field Emitters and GOS Tunneling Cathodes 
    MIMURA, H.; MASUZAWA, T.; NEO, Y.; MURAKAMI, K.; NAGAO, M. (Tehnica UTM, 2019)
    Vacuum devices are dominant in high power and high frequency. Though thermal cathodes are widely used in vacuum devices, if the thermal cathodes are replaced with cold cathodes, more superior devices are expected. The ...

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