Articole din publicaţii internaţionale: Recent submissions

  • 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 ...
  • Rose Hips, a Valuable Source of Antioxidants to Improve Gingerbread Characteristics 
    GHENDOV-MOSANU, A.; CRISTEA, E.; PATRAS, A.; STURZA, R.; NICULAUA, M. (Multidisciplinary Digital Publishing Institute, 2020)
    The present study analyzes the complex of bioactive compounds from rose hips pulp powder (RHP) obtained after separating the seeds from Rosa canina L. in order to obtain the oil. The extract prepared from RHP was characterized ...
  • Superconducting Fractal Multilayers 
    SIDORENKO, A. S. (World Scientific Publishing Co Pte Ltd, 1997)
    The influence of fractal geometry on superconductivity has been studied for layered superconductors. Superconducting multilayers consisting of alternating Nb and Cu layers with fractal stacking sequence and fractal dimension ...
  • Superconducting and normal properties of the set of Mo/Si superlattices with variable Si layer thickness 
    MIKHAILOV, M. Yu.; YUZEPHOVICH, O. I.; POKHILA, A. S.; BOMZE, Yu. V.; FOGEL, N. Ya.; DMITRENKO, I. M.; YULIN, S. A.; SIDORENKO, A. S.; MOLDOVAN, O. B.; BUCHSTAB, E. I. (American Institute of Physics, 1999)
    We report the results of the superconducting and kinetic parameter measurements (transition temperature Tc, parallel and perpendicular critical fields Hc2, resistivity in the normal state) on a set of Mo/Si superconducting ...
  • Substrate-dependent wetting layer formation during GaN growth: Impact on the morphology of the films 
    SIDORENKO, A.; PEISERT, H.; NEUMANN, H.; CHASSÉ, T. (American Institute of Physics, 2007)
    We have compared epitaxial growth of GaN films on 6H-SiC(0001)-(√3×√3) R30°−Ga and on (0001)-sapphire. Predeposited Ga layers were nitrided by ion beam assisted molecular beam epitaxy. Whereas on SiC the initially deposited ...
  • Structural, Magnetic, and Superconducting Characterization of the CuNi/Nb Bilayers of the S/F Type Using Polarized Neutron Reflectometry and Complementary Techniques 
    KHAYDUKOV, Y.; MORARI, R.; MUSTAFA, L.; KIM, J.-H.; KELLER, T.; BELEVSKI, S.; CSIK, A.; TAGIROV, L.; LOGVENOV, G.; SIDORENKO, A.; KEIMER, B. (Springer Nature Switzerland, 2015)
    Structural, magnetic, and superconducting properties of S/F bilayers Nb/Cu 40Ni 60 deposited on silicon substrate have been characterized using polarized neutron reflectometry and complementary techniques. The study allowed ...
  • Smart Surface with Ferromagnetic Properties for Eco- and Bioanalytics 
    PAJEWSKA-SZMYT, M.; GADZAŁA-KOPCIUCH, R.; SIDORENKO, A.; BUSZEWSKI, B. (Springer Nature Switzerland, 2020)
    This chapter provides a brief overview of the literature about the use of magnetic particles. Particularly for eco- and bioanalytics as a sorbents to sample preparation, which can be applied to wide variety of target ...
  • Smart and Connected Sensors Network for Water Contamination Monitoring and Situational Awareness 
    VASEASHTA, A.; DUCA, G.; CULIGHIN, E.; BOGDEVICI, O.; KHUDAVERDYAN, S.; SIDORENKO, A. (Springer Nature Switzerland, 2020)
    The objective of this investigation is to develop a smart and connected prototype of sensors network for monitoring contaminants in surface and underground water sources globally in real-time. Several prototypes were ...
  • Sign-reversal thermopower in BI2SR2CACU2OY 
    BOIKO, M. P.; KANTSER, V. G.; KONOPKO, L. A.; SIDORENKO, A. S. (Elservier, 1989)
    Sign-reversal thermopower was observed in the single-phase superconductor Bi2Sr2CaCu2Oy. We consider the model density of states, which describes the thermopower behaviour.
  • Scaling behaviour of relaxation dependences in metaloxide superconductors 
    SIDORENKO, A. S.; PANAITOV, G. I.; GABOVICH, A. M.; MOISEEV, D. P.; POSTNIKOV, V. (Springer Nature Switzerland, 1991)
    In the present work we have measured the magnetization relaxation at T = 4-2 K in two substantially different superconductors: BaPbo.~sBio.250 3 (BPB, T~ 10K, Hcx ~ 12 Oe) and YBa2Cu307_ x (YBCO, T~ ~ 92 K). The SQUID ...
  • Scaling behavior of resistive transitions in thin superconducting films 
    FOGEL, N. Ya.; SIDORENKO, A. S. (Elservier, 1978)
    Resistive transitions to the superconducting state have been investigated for variations of both temperature and external magnetic field. Experimental data were obtained for thin films of vanadium and indium. The excess ...
  • Resistive Transition Broadening of Metal-Oxide Superconductors in Magnetic Fields 
    SIDORENKO, A. S.; KONOPKO, L. A.; KOSHELEV, A. E.; SIMONOV, A. Yu. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1989)
    This note reports results of measurements and calculations of a shape of superconductive transitions of Bi-Sr-Ca-Cu-O polycrystalline samples. Bi4Sr3Ca3Cu4Ox samples with 2x3x10 mm3 dimensions were prepared by solid-state ...
  • Economia circulară: impactul asupra bunăstării planetare 
    DIACONU, Cristina; BUGAIAN, Larisa (Institutul Național de Cercetări Economice, 2020)
    Obiectivul fundamental al acestui articol constă în abordarea importanței tranziției către modelul de afaceri circular, reliefând impactul social, economic și ambiental, ca urmare a implementării noului model de dezvoltare ...
  • Efortul bugetului de stat privind finanţarea învăţământului în condiţiile COVID-19 
    MANOLE, Tatiana; ŢURCAN, Rina (Institutul Național de Cercetări Economice, 2020)
    Sistemul de învățământ reprezintă acea verigă impactul căreia în viața social economică este unul decisiv. În condițiile deficitului bugetar cronic, sistemul național de învățământ beneficiază de finanțare mult mai modestă ...
  • Reliable Preparation of High Quality Superconducting Thin MgB2 Films for Application 
    ZDRAVKOV, V.; SIDORENKO, A.; ROSSOLENKO, A.; RYAZANOV, V.; BDIKIN, I.; KRÖMER, O.; NOLD, E.; KOCH, Th.; SCHIMMEL, Th. (IOP Publishing, 2007)
    Since the discovery of its superconductivity (J. Nagamatsu, N. Nakagawa, T. Muranka, et al., 2001, Nature, 410, 63), MgB2 attracts considerable attention. A number of groups have intensively tried to fabricate high-quality ...
  • Relaxation of the magnetisation in superconducting oxides 
    GABOVICH, A. M.; MOISEEV, D. P.; PANAITOV, G. I.; POSTNIKOV, V. M.; SIDORENKO, A. S.; SIMONOV, A. Yu. (World Scientific, 1989)
    Relaxation of the thermoremanent magnetisation M in oxide superconductors BaPb0.75Bi0.25O3, YBa2Cu3O7−δ, Bi2Sr2CaCu2Ox and Bi4Sr3Ca4Cu4Ox is measured at T=4.2 K by the SQUID magnetometer. It is well described by the law ...
  • Reentrant superconductivity in superconductor/ferromagnetic-alloy bilayers 
    ZDRAVKOV, V. I.; KEHRLE, J.; OBERMEIER, G.; GSELL, S.; SCHRECK, M.; MÜLLER, C.; NIDDA Von, H.-A. Krug; LINDNER, J.; MOOSBURGER-WILL, J.; NOLD, E.; MORARI, R.; RYAZANOV, V. V.; SIDORENKO, A. S.; HORN, S.; TIDECKS, R.; TAGIROV, L. R. (American Physical Society, 2010)
    We studied the Fulde-Ferrell-Larkin-Ovchinnikov-type state established due to the proximity effect in superconducting Nb/Cu41Ni59 bilayers. Using a special wedge-type deposition technique, series of 20–35 samples could be ...
  • Reentrant superconductivity in superconductor-ferromagnetic-alloy bilayers 
    ZDRAVKOV, V. I.; SIDORENKO, A. S.; OBERMEIER, G.; GSELL, S.; SCHRECK, M.; MÜLLER, C.; RYAZANOV, V. V.; HORN, S.; TIDECKS, R.; TAGIROV, L. R.; KUPRIYANOV, M. Yu. (Springer Nature Switzerland, 2008)
    Oscillating behavior of superconductivity in ultrathin bilayers of niobium and ferromagnetic alloy Cu41Ni59 has been observed. This phenomenon was most pronounced at a Nb layer thickness of about 7.3 nm: the superconducting ...
  • Reentrant Superconductivity in Nb/Cu1−xNix Bilayers 
    ZDRAVKOV, V.; SIDORENKO, A.; OBERMEIER, G.; GSELL, S.; SCHRECK, M.; MÜLLER, C.; HORN, S.; TIDECKS, R.; TAGIROV, L. R. (American Physical Society, 2006)
    We report on the first observation of a pronounced reentrant superconductivity phenomenon in a superconductor/ferromagnet layered system. The results were obtained using a superconductor/ferromagnetic-alloy bilayer of ...
  • Reentrant superconductivity and superconducting critical temperature oscillations in F/S/F trilayers of Cu41Ni59/Nb/Cu41Ni59 grown on cobalt oxide 
    ZDRAVKOV, V. I.; KEHRLE, J.; LENK, D.; OBERMEIER, G.; ULLRICH, A.; MÜLLER, C.; NIDDA Von, H.-A. Krug; MORARI, R.; SIDORENKO, A. S.; TAGIROV, L. R.; HORN, S.; TIDECKS, R. (AIP Publishing LLC, 2013)
    Ferromagnet/Superconductor/Ferromagnet (F/S/F) trilayers constitute the core of a superconducting spin valve. The switching effect of the spin valve is based on interference phenomena occurring due to the proximity effect ...

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