Browsing Colecția instituțională by Title

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  • Superconducting properties of fractal Nb/Cu multilayers 
    SIDORENKO, A.; SÜRGERS, C.; TRAPPMANN, T.; LÖHNEYSEN, H. v. (American Physical Society, 1996)
    Multilayers of Nb and Cu with a fractal or periodic stacking sequence were prepared by electron-beam evaporation onto sapphire substrates. Their superconductivity was investigated by measurements of Tc and the temperature ...
  • Superconducting Triplet Proximity and Josephson Spin Valves 
    TAGIROV, L. R.; KUPRIYANOV, M. Y.; KUSHNIR, V. N.; SIDORENKO, A. (Springer Nature Switzerland, 2018)
    A heterostructure comprising several ferromagnetic and superconducting layers acquires functionality of managing the superconducting properties of a system applying external magnetic field. At non-collinear magnetic ...
  • Superconductivity and ferromagnetism in twisting Bi-Sb interfaces 
    MUNTYANU, F. M.; GILEWSKI, A.; ZALESKI, A. J.; CHISTOL, V.; ROGACKI, K. (Institutul de Fizică Aplicată, 2016)
    The hysteresis loops and temperature dependences of magnetic moment m(T) are studded in large disorientation angle (LDA) twisting interfaces of Bi1-xSbx (0 < x < 0. 2) alloys. They were found one superconducting transition ...
  • Superconductivity up to 36 K in nano-width crystallite interfaces of Bi1-x-Sbx(x≤0.2) alloys 
    MUNTYANU, F. M.; CHISTOL, V. (Institutul de Fizică Aplicată, 2010)
    Magnetic properties of high quality bicrystals (in some samples the Dingle temperature of charge carriers was even less than 1 K) and tricrystals of Bi1-x-Sbx(x ≤ 0.2) alloys were studied in the temperature range(1.8 -100) ...
  • Superconductor 3D nanoarchitectures 
    FOMIN, Vladimir M. (Technical University of Moldova, 2024)
    3D superconductor (SC) nanoarchitectures, with unconventional vortex configurations, are promising for the future efficient and multifunctional technologies. A topological transition between the vortex and phase-slip regimes ...
  • Superconductor-insulator transition in superconducting nanowires 
    ZAIKIN, Andrei D. (Technical University of Moldova, 2024)
    We investigate superconductor-insulator quantum phase transitions in ultrathin capacitively coupled superconducting nanowires with proliferating quantum phase slips. We derive a set of coupled Berezinskii-Kosterlitz-Thouless-like ...
  • 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 curs la grafica inginerească 
    DÎNTU, Sergiu; BOTEZ, Alexei; ȘULETEA, Angela (Universitatea de Stat "Bogdan Petriceicu Hasdeu", Cahul, 2022)
    Lucrarea dată este alcătuită conform Curriculumului Facultății Tehnologia Alimentelor a Universității Tehnice a Moldovei și are ca obiectiv facilitarea procesului de asimilare a materialului propus spre studiere.
  • 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.

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