Articole ştiinţifice: Recent submissions

  • Controlling the proximity effect in a Co/Nb multilayer: the properties of electronic transport 
    BAKURSKIY, Sergey; KUPRIYANOV, Mikhail; KLENOV, Nikolay V.; SOLOVIEV, Igor; SCHEGOLEV, Andrey; MORARI, Roman; KHAYDUKOV, Yury; SIDORENKO, Anatoli S. (Beilstein Institute for the Advancement of Chemical Sciences, Germany, 2020)
    We present both theoretical and experimental investigations of the proximity effect in a stack-like superconductor/ferromagnetic (S/F) superlattice, where ferromagnetic layers with different thicknesses and coercive fields ...
  • Beyond Moore’s technologies: operation principles of a superconductor alternative 
    SOLOVIEV, Igor I.; KLENOV, Nikolay V.; BAKURSKIY, Sergey V.; KUPRIYANOV, Mikhail Yu.; GUDKOV, Alexander L.; SIDORENKO, Anatoli S. (Beilstein Institute for the Advancement of Chemical Sciences, Germany, 2017)
    The predictions of Moore’s law are considered by experts to be valid until 2020 giving rise to “post-Moore’s” technologies afterwards. Energy efficiency is one of the major challenges in high-performance computing that ...
  • Self-organized growth of single crystals of nanopores 
    LANGA, S.; TIGINYANU, I. M.; CARSTENSEN, J.; CHRISTOPHERSEN, M.; FÖLL, H. (American Institute of Physics, 2003)
    Self-organized single crystalline two-dimensional hexagonal arrays of pores in InP semiconductor compound are reported. We show that the self-arrangement of pores can be obtained on n-type substrates with (100) and (111) ...
  • Electrostactically in-plane driven silicon micropump for modular configuration 
    UHLIG, S.; GAUDET, M.; LANGA, S.; SCHIMMANZ, K.; CONRAD, H.; KAISER, B.; SCHENK, H. (University of Twente, 2017)
    We present an in-plane reciprocating displacement micropump for liquids and gases which is actuated by a new class of electrostatic bending actuators capable of deflecting beyond the electrode gap distance. The so called ...
  • Fluctuation conductivity in superconducting MgB2 
    SIDORENKO, A. S.; TAGIROV, L. R.; ROSSOLENKO, A. N.; SIDOROV, N. S.; ZDRAVKOV, V. I.; RYAZANOV, V. V.; KLEMM, M.; HORN, S.; TIDECKS, R. (Springer Nature Switzerland, 2002)
    According to the crystal structure of MgB2 and band structure calculations, quasi-two-dimensional (2D) boron planes are responsible for the superconductivity. We report on critical-field and resistance measurements of ...
  • Filled skutterudite superconductor CaOs4P12 prepared by high-pressure synthesis 
    KAWAMURA, Yukihiro; DEMINAMI, Shingo; SALAMAKHA, Leonid; SIDORENKO, Andrey; HEINRICH, Patrick; MICHOR, Herwig; BAUER, Ernst; SEKINE, Chihiro (American Physical Society, 2018)
    In this paper, we report the transport, thermodynamic, and superconducting properties of a new filled skutterudite CaOs4P12 synthesized under high pressure and high temperature. The electrical resistivity of 3.4–4.8mΩcm, ...
  • Ferromagnetic Josephson junctions with steplike interface transparency 
    PUGACH, N. G.; KUPRIYANOV, M. Yu.; VEDYAYEV, A. V.; LACROIX, C.; GOLDOBIN, E.; KOELLE, D.; KLEINER, R.; SIDORENKO, A. S. (American Physical Society, 2009)
    Within the framework of the quasiclassical Usadel equations we study the Josephson effect in superconductor-insulator-ferromagnet-superconductor SIFS and SIFNS N is a normal metal structures with a steplike transparency ...
  • Ferromagnetic Josephson Junctions with Critical Current Density Artificially Modulated on a “Short” Scale 
    PUGACH, N. G.; KUPRIYANOV, M. Yu.; GOLDOBIN, E.; KOELLE, D.; KLEINER, R.; SIDORENKO, A. S.; LACROIX, C. (Springer Nature Switzerland, 2011)
    We study the Josephson effect in junctions with a ferromagnetic (F) barrier having its properties (interface transparency or the F-layer thickness) artificially modulated on a scale less than the Josephson penetration ...
  • Extinction and Recovery of Superconductivity by Interference in Superconductor/Ferromagnet Bilayers 
    SIDORENKO, A. S.; ZDRAVKOV, V. I.; KEHRLE, J.; MORARI, R.; ANTROPOV, E.; OBERMEIER, G.; GSELL, S.; SCHRECK, M.; MÜLLER, C.; RYAZANOV, V. V.; HORN, S.; TIDECKS, R.; TAGIROV, L. R. (Springer Nature Switzerland, 2009)
    In superconductor–ferromagnet (S/F) metallic contacts, the superconducting condensate penetrates through the S/F interface into a ferromagnetic layer. In contrast to the conventional S/N proximity effect, the pairing wave ...
  • Experimental observation of the triplet spin-valve effect in a superconductor-ferromagnet heterostructure 
    ZDRAVKOV, V. I.; KEHRLE, J.; OBERMEIER, G.; LENK, D.; KRUG VON NIDDA, H.-A.; MÜLLER, C.; KUPRIYANOV, M. Yu.; SIDORENKO, A. S.; HORN, S.; TIDECKS, R.; TAGIROV, L. R. (American Physical Society, 2013)
    The theory of superconductor-ferromagnet heterostructures with two ferromagnetic layers predicts the generation of a long-range, odd-in-frequency triplet pairing at noncollinear alignment (NCA) of the magnetizations of the ...
  • Experimental and theoretical analysis of the upper critical field in ferromagnet-superconductor-ferromagnet trilayers 
    ANTROPOV, E.; KALENKOV, M. S.; KEHRLE, J.; ZDRAVKOV, V. I.; MORARI, R.; SOCROVISCIUC, A.; LENK, D.; HORN, S.; TAGIROV, L. R.; ZAIKIN, A. D.; SIDORENKO, A. S.; HAHN, Horst; TIDECKS, R. (IOP Publishing, 2013)
    The upper critical magnetic field Hc2 in thin film ferromagnet–superconductor–ferromagnet trilayer spin-valve cores is studied experimentally and theoretically in geometries perpendicular and parallel to the heterostructure ...
  • Evolution of non-collinear magnetic state of exchange biased ferromagnet/normal metal/ferromagnet/superconductor heterostructure in magnetic field studied by polarized neutron reflectometry 
    KHAYDUKOV, Yu.; MORARI, R.; ZDRAVKOV, V.; MUSTAFA, L.; KELLER, T.; KEIMER, B.; SIDORENKO, A. (AIP Publishing LLC, 2017)
    By using waveguide enhanced polarized neutron reflectometry we have characterized the magnetic state of exchange biased CoOx(20 nm)/Co(4 nm)/Nb(5 nm)/Co(2 nm)/Nb(25 nm)/Al2O3 system. Measurement allowed to determine the ...
  • Evidence for two-dimensional nucleation of superconductivity in MgB2 
    SIDORENKO, A. S.; TAGIROV, L. R.; ROSSOLENKO, A. N.; RYAZANOV, V. V.; KLEMM, M.; TIDECKS, R. (IOP Publishing, 2002)
    According to the crystal structure of MgB2 and band structure calculations quasi–two-dimensional (2D) boron planes are responsible for the superconductivity. We report on critical fields and resistance measurements of 30 ...
  • Environmental impact studies related to ice-forming aerosol usage in cloud seeding activities in Moldova 
    POTAPOV, E. I.; SIDORENKO, A. S.; ZASAVITSKY, E. A. (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2016)
    The results of studies of the lead and silver content in water bodies and air and the ice nuclei concentrations in the regions subjected to hail protection in the Republic of Moldova in 1991 are summarized. Until 1983, ...
  • Electronic Transport Processes in Heavily Doped Uncompensated and Compensated Silicon as Probed by the Thermoelectric Power 
    LIU, X.; SIDORENKO, A.; WAGNER, S.; ZIEGLER, P.; LÖHNEYSEN von , H. (American Physical Society, 1996)
    The thermoelectric power S and electrical resistivity ρ, measured between 1.5 and 30 K, of just insulating, heavily doped Si show distinct differences between uncompensated and compensated samples. S(T) of Si:P exhibits a ...
  • Effective dimensionality fluctuation change in V/Cu layered superconductors 
    DEDIU, V. I.; KABANOV, V. V.; SANDLER, A. G.; SIDORENKO, A. S. (ELSEVIER, 1991)
    The fluctuation conductivity σ′ of layered structures V/Cu was measured in a parallel magnetic field. Unusual behaviour of the fluctuation conductivity consisting of double dimensional crossover 3D-2D-3D was observed.
  • Effect of technogenic electromagnetic fields on embryos 
    SIDORENKO, A.; SHIBAEVA, I.; SHIBAEV, A. (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2015)
    Experiments on the exposure of dry wheat seeds to a magnetic field in a frequency range T have shown that, in the period of active cell division,50 10 Hz with a flux density of 40of 1 the cells of plants become more ...
  • Double-dimensional crossover in layered superconductor 
    SIDORENKO, A. S.; DEDIU, V. I.; SANDLER, A. G. (Springer Nature Switzerland, 1991)
    The critical magnetic fields Hc2 of superconducting layered structures V/Cu were investigated. The double-dimensional crossover 3D-2D-3D was observed on the temperature (H′c2(θ)) dependences of critical magnetic fields. ...
  • Double re-entrance of superconductivity in superconductor/ferromagnet bilayers 
    SIDORENKO, A. S.; ZDRAVKOV, V.; KEHRLE, J.; MORARI, R.; OBERMEIER, G.; GSELL, S.; SCHRECK, M.; MÜLLER, C.; RYAZANOV, V.; HORN, S.; TAGIROV, L. R.; TIDECKS, R. (IOP Publishing, 2009)
    We report on the first observation of a double suppression of superconductivity in a superconductor/ferromagnet layered system. The result was obtained using a superconductor/ferromagnetic-alloy bilayer of Nb/Cu41Ni59 with ...
  • Dimensional effects in V/Cu superconducting superlattices 
    DEDIU, V. I.; KABANOV, V. V.; SIDORENKO, A. S. (American Physical Society, 1994)
    The superconductor-normal-metal phase transitions in V/Cu superlattices have been studied in parallel and perpendicular magnetic fields. Two crossovers from three-dimensional to two-dimensional and from two-dimensional to ...

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