Colecția instituțională: Recent submissions

  • 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 ...
  • Dimensional effects in layered superconductor 
    DEDIU, V. I.; SANDLER, A. G.; SIDORENKO, A. S. (ELSEVIER, 1989)
    The critical magnetic fields HC2 of the superconducting layered structures V/Cu were investigated. The double dimensional crossover 3D -> 2D -> 3D was observed on the temperature and angular dependences of critical magnetic ...
  • Dimensional crossover in fractal multilayered superconductors 
    SIDORENKO, A.; SÜRGERS, C.; TRAPPMANN, T.; LÖHNEYSEN Von , H. (ELSEVIER, 1994)
    Superconducting properties of multilayers consisting of alternating Nb and Cu layers with a fractal stacking sequence have been investigated. Dimensional crossover is observed in the temperature dependence of the parallel ...
  • Dimensional crossover 3D-2D-3D in superconducting layered V/Cu structures 
    DEDYU, V. I.; OBOZNOV, V. A.; RYAZANOV, V. V.; SANDLER, A. G.; SIDORENKO, A. S. (Российская академия наук, 1989)
    A temperature-dependent nonmonotonic variation of the superconducting transition width has been observed in multilayer vanadium-copper structures in a magnetic field. The critical field Hc2 was also observed to vary as a ...
  • Detoxification ability of magnetite nanoparticles in pesticide contaminated soil 
    SIDORENKO, A. S.; GUTUL, T. D.; RASTIMESINA, I. O.; POSTOLACHI, O. M.; JOSAN, V. G. (Одеська морська академія, 2017)
    In the experiment, we studied the effect of two compounds of Fe3O4 magnetite NPs with a size of 8-20 nm on the growth of wheat seedlings. One of the compounds (sample 2) contained a PVP stabilizer; the other did not. The ...
  • Determining the local low-energy excitations in the Kondo semimetal CeRu4Sn6 using resonant inelastic x-ray scattering 
    AMORESE, Andrea; KUMMER, Kurt; BROOKES, Nicholas B.; STOCKERT, Oliver; ADROJA, Devashibhai T.; STRYDOM, André M.; SIDORENKO, Andrey; WINKLER, Hannes; ZOCCO, Diego A.; PROKOFIEV, Andrey; PASCHEN, Silke; HAVERKORT, Maurits W.; TJENG, Liu Hao; SEVERING, Andrea (American Physical Society, 2018)
    We have investigated the local low-energy excitations in CeRu4Sn6, a material discussed recently in the framework of strongly correlated Weyl semimetals, by means of Ce M5 resonant inelastic x-ray scattering (RIXS). The ...
  • Determination of deviation from the maximum power regime of a photovoltaic module 
    PENIN, Alexandru; SIDORENKO, Anatoly (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2010)
    The problem of the determination of the photovoltaic module (converter) regime in the normalized or relative form is examined. The parameters of characteristic regimes, such as the maximum power regime, short circuit, open ...
  • Critical temperature oscillations and reentrant superconductivity due to the FFLO like state in F/S/F trilayers 
    KEHRLE, J.; ZDRAVKOV, V. I.; OBERMEIER, G.; GARCIA-GARCIA, J.; ULLRICH, A.; MÜLLER, C.; MORARI, R.; SIDORENKO, A. S.; HORN, S.; TAGIROV, L. R.; TIDECKS, R. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2012)
    Ferromagnet/Superconductor/Ferromagnet (F/S/F) trilayers, in which the establishing of a Fulde-Ferrell Larkin-Ovchinnikov (FFLO) like state leads to interference effects of the superconducting pairing wave function, form ...
  • Critical field anisotropy in inhomogeneous superconducting films 
    SIDORENKO, A. S.; MINENKO, E. V.; FOGEL, N. Ya.; SHEKHTER, R. I.; KULIK, I. O. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 1979)
    Transition metal superconducting films are characterized, unlike the films of simple superconductors, by a number of anomalies.

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