Articole din publicaţii internaţionale: Recent submissions

  • 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 ...
  • 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.
  • 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 ...

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