Browsing Colecția instituțională by Title

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  • Supercurrent reversal in Zeeman-split Josephson junctions 
    GOLUBOV, A.A.; SUZUKI, S.-I.; ASANO, Y. (Technical University of Moldova, 2024)
    We theoretically study the current-phase relation in a Josephson junction comprising the Zeeman-split superconductors (ZSs) and a normal metal (N). We show that at low temperatures the Josephson current in the∈ ZS/N/ZS ...
  • Superelastic lightweight carbon materials for piezoresistive sensors 
    PLEŞCO, Irina (Tehnica UTM, 2019)
    This article aims to give a comparative overview on carbonic materials of various geometries and compositions, which are developed for applications in production of strain and pressure sensors. We discuss the preparation ...
  • Superimposed diffraction gratings formed by e-beam recording in chalcogenide films 
    ANDRIESH, A. M.; AKIMOVA, E. A.; ENAKI, M. A.; SERGEEV, S. A.; TRIDUH, G. M. (Institutul de Fizică Aplicată al AŞM, 2012)
    It was established, that at low values of recording current the independent superimposition (without reciprocal effect) of crossed index gratings can be occurred. Contrary to this, in the case of the relief structures the ...
  • Superlensing with plane plates consisting of dielectric cylinders in glass envelopes 
    FOCA, E.; SERGENTU, V. V.; DASCHNER, F.; TIGINYNAU, I. M.; URSAKI, V. V.; KNÖCHEL, R.; FÖLL, H. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2009)
    The approach of designing negative-refractive-index materials on the basis of dielectric rods with a gradient of the dielectric constant is tested experimentally. A triangular-lattice plane-parallel slab assembled from ...
  • Superposition of free and bound exciton emission spectra in ZnP2-D48 
    STAMOV, I. G.; SYRBU, N. N.; URSAKI, V. V.; IVANENCO, Yu. (Academy of Sciences of Moldova, 2011)
    Bound exciton lines are found in the luminescence spectra of Mn, Sn, Cd, and Sb doped tetragonal zinc diphosphide crystals at the temperature of 10 K. Zero phonon lines of bound and free exciton emission, as well as their ...
  • The superposition of one- and two-phonon absorption and radiation in TeO2 crystal 
    SYRBU, N. N.; CREŢU, R. V. (Elservier, 1996)
    Raman scattering and IR reflectivity for actual configuration have been investigated. The contours of reflectivity spectra rave been calculated. Phonon parameters have been determined. The temperature dependence of Raman ...
  • The superposition of the lattice radiation and reflectivity spectra of tetragonal TeO/sub 2/ crystals 
    SYRBU, N. N.; RADAUTSAN, S. I.; CRETU, R. V.; MUSHINSKII, V. P.; CEBOTARI, V. Z. (IEEE, 1995)
    The superposition of infrared reflectivity spectra end lattice radiation of TeO/sub 2/ crystals have been investigated. Both radiation spectra at high temperatures and absorption spectra in the two-phonon range for ...
  • Suport de imprimare pentru realizarea frescelor murale, utilizând tehnologiile digitale 
    CIBOTAR, Irina; CAZAC, Viorica (Agenţia de Stat pentru Proprietatea Intelectuală a Republicii Moldova (AGEPI), 2013)
    Suportul elaborat permite realizarea frescelor murale prin tehnologii digitale de imprimare asigurând următoarele avantaje prioritare: asigurarea ecologicităţii frescelor murale, rezistenţă înaltă la temperaturi joase, ...
  • Suport digital interactiv pentru predarea-învățarea cursului universitar „Algoritmi numerci și structuri de date” 
    BURLACU, Natalia; BALMUȘ, Nicolae; BOSTAN, Marina (Universitatea Pedagogică de Stat „Ion Creangă” din Chişinău, 2019)
    This group of authors considers that the reproduction of educational contents in the various digital formats, including in the interest of ensuring a qualitative didactic act at miscellaneous disciplines and / or levels ...
  • Support of education in cybersecurity 
    BOLUN, Ion; BULAI, Rodica; CIORBĂ, Dumitru (University of Public Service, Budapest, 2021)
    Cybersecurity depends heavily on education. The paper addresses the support of education as the smartest investment in cybersecurity. To define priorities, an early estimate of the state of cybersecurity in Moldova by an ...
  • Surface charge lithography for GaN micro- and nanostructuring 
    TIGINYANU, Ion M.; POPA, Veaceslav; SARUA, Andrei; HEARD, Peter J.; VOLCIUC, Olesea; KUBALL, Martin (Society of Photo-Optical Instrumentation Engineers, SPIE, 2009)
    We demonstrate the possibility for controlled micro- and nanostructuring of GaN layers by low-dose focusedion-beam (FIB) treatment with subsequent photoelectrochemical (PEC) etching. The proposed novel maskless approach ...
  • Surface functionalization of ZnO:Ag columnar thin films with AgAu and AgPt bimetallic alloy nanoparticles as an efficient pathway for highly sensitive gas discrimination and early hazard detection in batteries 
    VAHL, Alexander; LUPAN, Oleg; SANTOS-CARBALLAL, David; POSTICA, Vasile; HANSEN, Sandra; CAVERS, Heather; WOLFF, Niklas; TERASA, Maik-Ivo; HOPPE, Mathias; CADI-ESSADEK, Abdelaziz; DANKWORT, Torben; KIENLE, Lorenz; DE LEEUW, Nora H.; ADELUNG, Rainer; FAUPEL, Franz (The Royal Society of Chemistry, 2020)
    We report herein, a novel approach to tailor the selectivity of nanocomposite thin film sensors by investigating systematically the effect of surface decoration of Ag-doped ZnO (ZnO:Ag) columnar thin films. We have used ...
  • Surface modification of structural steels and titanium alloys by synthesizing carbide phases with electro-spark alloying electrodes of transition metals IV - VI groups and graphite 
    KAZAK, N.; MIHAILOV, V.; IANACHEVICI, A.; AGAFII, V. (Institutul de Fizică Aplicată, AŞM, 2016)
    The actual work is aimed to research the possibility of modification of structural steels and titanium alloy surface by successive electric spark electrodes of transition metals Group IV-VI and graphite.
  • Surface morphology and strength behaviour of vitreous films doped by neodymium 
    GRABCO, D.; SHIKIMAKA, O.; ELISA, M.; SAVA, B.; BOROICA, L.; HAREA, E.; PYRTSAC, C.; PRISACARU, A.; DANITSA, Z.; FERARU, I.; URSU, D. (Institutul de Fizică Aplicată al AŞM, 2012)
    The SiO2-P2O5 films demonstrated quite good adhesive behavior. At the same time less cohesion strength ’film-substrate’ was revealed for the composite structure SiO2-P2O5-Nd2O3/SLG. A further research will be directed at ...
  • Surface Phenomena in Glassy Chalcogenides by Gas Sensing 
    TSIULYANU, D.; CIOBANU, M.; MOCREAC, O. (Springer Nature Switzerland, 2020)
    The surface phenomena in glassy chalcogenides (GCh), including those caused by gas adsorption, are reviewed and discussed. A detailed quantitative analysis is made on experimental data taken on glassy and nanocrystalline ...
  • Surface plasmon resonance in Ag nanoparticles deposited inside porous GaP templates 
    SIRBU, L.; SERGENTU, V.; URSAKI, V.; TIGINYANU, I.; PIREDDA, G.; BOYD, R. W. (IEEE, 2008)
    Surface plasmon resonance is studied for Ag nanoparticles electrochemically deposited on bulk GaP substrates and inside porous GaP templates. The size and density of Ag nanoparticles are controlled by the conditions of ...
  • Surface-charge lithography for GaN microstructuring based on photoelectrochemical etching techniques 
    TIGINYANU, I. M.; POPA, V.; VOLCIUC, O. (American Institute of Physics, 2005)
    We show that host defects introduced at the surface of GaN epilayers by mechanical means se.g., using needles, microscribersd, or 2-keV-argon ion beam are resistant to photoelectrochemical etching in aqueous solution of ...
  • Surface-related phonon mode in porous GaP 
    TIGINYANU, I. M.; URSAKI, V. V.; KARAVANSKII, V. A.; SOKOLOV, V. N.; RAPTIS, Y. S.; ANASTASSAKIS, E. (ELSEVIER, 1996)
    Porous GaP layers prepared by electrochemical anodization of (1 0 0) and (1 1 1) A-oriented n-GaP crystalline substrates in HF solution have been studied by Raman spectroscopy. A surface vibrational mode at 397 cm−1 was ...
  • Surse de alimentare 
    MANCENCO, Andrei (Agenţia de Stat pentru Proprietatea Intelectuală a Republicii Moldova (AGEPI), 2019)
    Sursele de alimentare sunt destinate implementării în ciclul lucrărilor de laborator la obiectele: circuite și dispozitive electronic, circuite integrate digitale, electronica pentru automobile. Sursele permit furnizare ...
  • Surse energetice din biomasă 
    ROTARU, Tatiana (Academia de Științe a Moldovei, 2007)
    Pentru a cincea oară a avut loc şedinţa de lucru a Clubului Naţional Parteneriat „Ştiinţă şi Business”, fondat în anul trecut de Asociaţia de Cercetare (MRDA) în cooperare cu Academia de Ştiinţe a Moldovei, Agenţia de ...

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