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  • Spin torque antiferromagnetic nanooscillator in the presence of magnetic noise 
    Gomonay, H.; Loktev, V. (Condensed Matter Physics, 2012)
    Spin-torque effects in antiferromagnetic (AFM) materials are of great interest due to the possible applications as high-speed spintronic devices. In the present paper we analyze the statistical properties of the current-driven ...
  • Spin-triplet superfluidity of neutron matter with Skyrme forces in strong magnetic field near Tc 
    Tarasov, A.N. (Вопросы атомной науки и техники, 2007)
    A dense homogeneous superfluid pure neutron matter (SPNM) with the effective Skyrme forces (depending on the density n of the neutrons) and with spin-triplet p–wave pairing (similar to ³He-A₁ and ³He-A₂) in a strong uni-form ...
  • Spin-triplet transitions in (γ,p) and (γ,n) reactions of two-body ⁴He disintegration by photons of energies below 80 MeV 
    Lyakhno, Yu.P.; Gorbenko, E.S.; Dogyust, I.V. (Вопросы атомной науки и техники, 2002)
    The simultaneous least-square fit of expressions for differential cross-sections and asymmetry to the experimental data on dσ/dΩ and Σ(θ), obtained at NSC KIPT, was realized. A set of three bilinear equations with three ...
  • Spintronic devices based on magnetic nanostructures 
    Lutsev, L.V.; Stognij, A.I.; Novitskii, N.N.; Shulenkov, A.S. (Functional Materials, 2012)
    Two types of spintronic devices on the basis of magnetic nanostructures containing silicon dioxide films with cobalt nanoparticles SiO₂(Co) on GaAs substrate, magnetic sensors and magnetically operated field-effect transistor, ...
  • Spin-valve effects in point contacts to exchange biased Сo₄₀Fe₄₀B₂₀ films 
    Balkashin, O.P.; Fisun, V.V.; Triputen, L.Yu.; Andersson, S.; Korenivsk, V.; Naidyuk, Yu.G. (Физика низких температур, 2014)
    Nonlinear current-voltage characteristics and magnetoresistance of point contacts between a normal metal (N) and films of amorphous ferromagnet (F) Сo₄₀Fe₄₀B₂₀ of different thickness, exchange-biased by antiferromagneti ...
  • Spin waves damping in nanometre-scale magnetic materials 
    Krivoruchko, V.N. (Физика низких температур, 2015)
    Spin dynamics in magnetic nanostructured materials is a topic of great current interest. To describe spin motions in such magnetic systems, the phenomenological Landau–Lifshitz (LL), or the LL–Gilbert (LLG), equation is ...
  • Spin waves in the B-phase of superfluid ³He in confined cylindrical geometry 
    Benningshof, O.W.B.; Jochemsen, R. (Физика низких температур, 2013)
    We describe experiments on superfluid ³He in a cylinder of 1 mm in diameter. This geometry causes the preferred orientation of the n-vector in the superfluid B-phase to be locally different, resulting in a curved ...
  • Spiranthes spiralis (L.) Chevall. (Orchidaceae) у Ґорґанах (Українські Карпати) 
    Борсукевич, Л.М.; Данилюк, К.М. (Український ботанічний журнал, 2011)
    Сообщается о находке двух новых местонахождений Spiranthes spiralis (L.) Chevall. (Orchidaceae Juss.) в Украинских Карпатах (около с. Дора и сгт Яремче Надворнянского р-на Ивано-Франковской обл.). Приведена краткая ...
  • Spirochona americana sp. n. (Ciliophora, Chonotrichia) – a New North American Freshwater Chonotrich Species from the Amphipod Gammarus lacustris 
    Dovgal, I.V.; Grigorovich, I.A. (Вестник зоологии, 2001)
    Spirochona americana Dovgal, sp. n. is described from specimens collected in Pyramid Lake, Alberta, Canada. The chonotrich was found colonizing the gills of the gammarid amphipod Gammarus lacustris. S. americana differs ...
  • Splice variants in apoptotic pathway 
    Miura, K.; Fujibuchi, W.; Unno, M. (Experimental Oncology, 2012)
    Elimination of superfluous or mutated somatic cells is provided by various mechanisms including apoptosis, and deregulation of apoptotic signaling pathways contributes to oncogenesis. 40 years have passed since the term ...
  • Spline-Profile Horn for Array Applications in Radio Astronomy 
    Chernobrovkin, R.Ye.; Popenko, N.O.; Khaikin, V.B.; Granet, C. (Радиофизика и радиоастрономия, 2009)
    In this paper the properties of an optimized compact smooth-walled spline-profile horn for the 30 ÷38 GHz frequency band is described. The measured 3 dB beamwidths are 40° in the H-plane, 37° in the E-plane, and 38° in ...
  • Splitting the eigenvectors space for Kildal’s Hamiltonian 
    Chuiko, G.P.; Don, N.L. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2010)
    The rational canonical form of Kildal’s Hamiltonian has been obtained as a matrix with two identical diagonal blocks. It allowed to formulate and strictly prove few common assertions. Each of the eigenvalues of Kildal’s ...
  • spo(2|2)-Equivariant Quantizations on the Supercircle S¹|² 
    Mellouli, N.; Nibirantiza, A.; Radoux, F. (Symmetry, Integrability and Geometry: Methods and Applications, 2013)
    We consider the space of differential operators Dλμ acting between λ- and μ-densities defined on S¹|² endowed with its standard contact structure. This contact structure allows one to define a filtration on Dλμ which is ...
  • Sponge-like nanostructured silicon for integrated emitters 
    Hubarevich, A.; Jaguiro, P.; Mukha, Y.; Smirnov, A.; Solovjov, Ya. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2010)
    A new approach to nanoporous silicon formation is proposed. Anomalies both in low current densities and low fluorine ion concentrations, which is lead to low uniformity of formed porous silicon, are under consideration. ...
  • Spontaneous and persistent currents in superconductive and mesoscopic structures (Review Article) 
    Kulik, I.O. (2004)
    We briefly review aspects of superconductive persistent currents in Josephson junctions of the S/I/S, S/O/S and S/N/S types, focusing on the origin of jumps in the current versus phase dependences, and discuss in more ...
  • Spontaneous and Stimulated Emission Spectra for the Molecule ¹²⁴Xe³⁵Cl. 
    Zubrilin, N.G.; Osypov, S.I.; Pavlov, I.A.; Chernomorets., M.P.; Baschenko, S.M. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2005)
    The influence of the isotopic composition of active medium on a lasing spectrum of a XeCl laser has been investigated. Spectra of spontaneous and stimulated emissions for monoisotopic ¹²⁴Xe³⁵Cl molecules were measured. The ...
  • Spontaneous chiral symmetry breaking in liquid crystals 
    Kats, E.I. (Физика низких температур, 2017)
    Motivated by new experimental observations we generalize the Landau-like approach to include the direct phase transition between isotropic liquid ( I) and heliconical nematic liquid crystal ( NTB) structure. We show that ...
  • Spontaneous currents in Josephson junctions between unconventional superconductors and d-wave qubits (Review Article) 
    Kolesnichenko, Yu.A.; Omelyanchouk, A.N.; Zagoskin, A.M. (2004)
    The modern physics of superconductivity can be called the physics of unconventional superconductivity. The discovery of the d-wave symmetry of the order parameter in high-temperature superconductors and the triplet ...
  • Spontaneous generation of beta-limiting MHD modes in tokamaks 
    Shirokov, M.S.; Mikhailovskii, A.B.; Konovalov, S.V.; Tsypin, V.S. (Вопросы атомной науки и техники, 2003)
    It is shown that under conditions typical of fusion reactors of tokamak type, a spontaneous generation of magnetohydrodynamic (MHD) modes is possible, which may limit plasma pressure in ideally stable plasma. Electromagnetic ...
  • Spontaneously appearing discrete moving kinks in nonlinear acoustic chain with realistic potential 
    Metlov, L.S.; Eremeichenkova, Yu.V. (Condensed Matter Physics, 2003)
    Molecular dynamic simulations are performed to investigate a long-time evolution of different initial signals in nonlinear acoustic chains with realistic Exp-6 potential and with power potentials. First, in the chain ...