Articole din publicaţii internaţionale: Recent submissions

  • 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 ...
  • 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 ...

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