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  1. No Access

    Article

    Photon Echo on Excitons and Its Role in the Development of Nanoelectronic Devices Based on Quantum-Sized Structures in Thin Zinc Oxide Films

    The relaxation decays of photon echo signals in thin zinc oxide films produced by magnetron sputtering were studied. Echo signals are excited at a wavelength of 800 nm by transitions between quantum levels tha...

    I. I. Popov, R. V. Yusupov, A. V. Petrov… in Bulletin of the Russian Academy of Science… (2024)

  2. No Access

    Article

    Breaking of the Cubic Symmetry in Millimeter-Size SrTiO3 Crystals: ESR Manifestations

    The found effect of lowering the symmetry of the crystal structure of thin (less than 1 mm) plates and bars of strontium titanate (SrTiO3) single crystals is discussed. This symmetry lowering manifests itself in ...

    B. F. Gabbasov, I. N. Gracheva, S. I. Nikitin, V. A. Trepakov… in Crystallography Reports (2023)

  3. Article

    Open Access

    Photoinduced Nonthermal Reduction of the Coercive Field in FePt and FePt0.84Rh0.16 Epitaxial Thin Films in the L10 Phase

    The time-resolved magneto-optical Kerr effect in epitaxial thin films of the FePt compound and the FePt0.84Rh0.16 solid solution with the perpendicular magnetic anisotropy on MgO (001) substrates has been studied...

    A. V. Petrov, S. I. Nikitin, L. R. Tagirov, A. S. Kamzin, R. V. Yusupov in JETP Letters (2023)

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    Article

    Magnetic Phase Separation in Double Perovskite Sr2TiMnO5.87

    The double perovskite Sr2TiMnO5.87 was synthesized via the solution combustion precursor method using Sr(NO3)2, MnO2, i-Ti(OC3H7)4, and disubstituted ammonium citrate as a complexing agent. The crystal structure ...

    D. V. Popov, I. V. Yatsyk, R. G. Batulin, M. A. Cherosov… in Applied Magnetic Resonance (2023)

  5. No Access

    Article

    Ferromagnetism of Graphite Nanopowders with Cobalt Oxide Impurity and Its Evolution at Moderate Annealing

    A study of the influence of a small impurity of cobalt oxide CoO on the magnetic properties of graphite nanopowder is presented in this article. It is shown that such an impurity is responsible for the weak fe...

    M. Saad, A. G. Kiiamov, S. I. Nikitin… in Inorganic Materials: Applied Research (2023)

  6. No Access

    Article

    Ultrafast Plasmon Resonance Modification in Epitaxial Silver Film

    Ultrafast dynamics of the reflection coefficient of a thin epitaxial silver film on- and off- plasmon resonance has been studied using pump-probe technique. We demonstrate that modification of surface plasmon ...

    L. A. Nurtdinova, A. V. Petrov… in Bulletin of the Russian Academy of Science… (2022)

  7. No Access

    Article

    Manifestations of Spinodal Decomposition into Dilute Pd1-xFex “Phases” in Iron-Implanted Palladium Films: FMR Study

    Palladium–iron alloys produced by high-dose implantation of iron ions into epitaxial palladium films were investigated with the ferromagnetic resonance (FMR) and vibrating sample magnetometry (VSM) techniques....

    A. I. Gumarov, I. V. Yanilkin, A. A. Rodionov, B. F. Gabbasov… in Applied Magnetic Resonance (2022)

  8. No Access

    Article

    Generation of Optically Addressable Spin Centers in Hexagonal Boron Nitride by Proton Irradiation

    The possibility of creating defects with spin-dependent fluorescence in a van der Waals material, namely, hexagonal boron nitride (hBN), by irradiating the latter with high-energy protons (EP = 15 MeV) is studied...

    F. F. Murzakhanov, I. E. Mumdzhi, G. V. Mamin, R. V. Yusupov… in Physics of the Solid State (2022)

  9. No Access

    Article

    Magnetic Irreversibilities and Nonreciprocity of the Microwave Absorption of FeCr2O4 Spinel

    A FeCr2O4 single crystal with the spinel structure is grown by the zone melting method with optical heating. The critical temperatures of establishing the orbital ordering TOO = 138 K, the formation of the collin...

    R. V. Yusupov, M. A. Cherosov, B. F. Gabbasov, K. V. Vasin, R. G. Batulin… in JETP Letters (2022)

  10. No Access

    Article

    Electric Field Effect in ESR Spectra of Fe3+ and Mn4+ Centers in Thin SrTiO3 Plates

    The electric field effect in electron spin resonance spectra of Fe3+ and Mn4+ impurity ions in thin oriented single-crystal plates of strontium titanate has been studied; the crystal structure of these samples at...

    B. F. Gabbasov, A. A. Rodionov, S. I. Nikitin, V. A. Trepakov… in Physics of the Solid State (2021)

  11. No Access

    Article

    Synthesis of Thin Niobium Films on Silicon and Study of Their Superconducting Properties in the Dimensional Crossover Region

    Niobium films with a thickness of 4–100 nm are synthesized on a silicon substrate under ultrahigh vacuum conditions. Measurements of the electrical resistance show a high superconducting transition temperature Tc

    I. V. Yanilkin, A. I. Gumarov, A. M. Rogov, R. V. Yusupov… in Technical Physics (2021)

  12. No Access

    Article

    Femtosecond Optical and Magneto-Optical Spectroscopy Study of Magnetic and Electronic Inhomogeneities in a Pd0.94Fe0.06 Thin Film

    The results of a femtosecond optical and magneto-optical spectroscopy study of a thin epitaxial film of a low-temperature magnetically soft Pd0.94Fe0.06 alloy on a ({dy001})-MgO substrate are reported. The photoi...

    A. V. Petrov, R. V. Yusupov, S. I. Nikitin, A. I. Gumarov, I. V. Yanilkin… in JETP Letters (2019)

  13. No Access

    Article

    The Spectral and Magnetic Properties of Er3+ and Yb3+ Ions in Y2Ti2O7 Crystals with a Pyrochlore Structure

    Cubic Y2Ti2O7 single crystals doped with Er3+ or Yb3+ ions have been studied by the methods of electron spin resonance (ESR) and selective laser spectroscopy. ESR spectra exhibit signals from rare-earth ions that...

    R. G. Batulin, M. A. Cherosov, I. F. Gil’mutdinov… in Physics of the Solid State (2019)

  14. No Access

    Article

    Exchange Spring in a Heterostructure with Pd0.96Fe0.04 Low-Temperature Ferromagnet

    The exchange bias of the magnetic hysteresis loop and the exchange-spring effect have been observed in thin-film heterostructures comprising layers of Pd0.96Fe0.04 low-temperature ferromagnet, metallic cobalt, an...

    I. V. Yanilkin, E. T. Mukhametova, I. R. Vakhitov… in Technical Physics Letters (2019)

  15. No Access

    Article

    Ferromagnetism and Persistent Currents in Finely Dispersed Highly Oriented Pyrolytic Graphite Samples

    Synthesis of finely dispersed graphite powders is described and results of their investigations by the methods of electron microscopy and magnetometry are presented. The samples have been prepared from crystal...

    M. Saad, I. F. Gilmutdinov, A. M. Rogov, S. I. Nikitin… in Russian Physics Journal (2018)

  16. No Access

    Article

    Synthesis and Studies of Palladium-Iron Alloy Thin Film with L10 Ordered Structure

    The paper deals with the synthesis of palladium-iron alloy thin film with the ordered L10 structure and presents results of its studies. The evolution of the thin film crystallinity is described at different stag...

    M. V. Pasynkov, R. V. Yusupov, I. V. Yanilkin, I. R. Vakhitov… in Russian Physics Journal (2018)

  17. No Access

    Article

    FMR Studies of Ultra-Thin Epitaxial Pd0.92Fe0.08 Film

    Magnetic anisotropies of 20 nm epitaxial film of palladium–iron alloy Pd0.92Fe0.08 grown on the (001) MgO substrate were studied. Ferromagnetic resonance (FMR) spectroscopy and vibrating sample magnetometry (VSM)...

    A. Esmaeili, I. R. Vakhitov, I. V. Yanilkin, A. I. Gumarov… in Applied Magnetic Resonance (2018)

  18. No Access

    Article

    Observation of Persistent Currents in Finely Dispersed Pyrolytic Graphite

    The trapped magnetic flux in the finely ground pyrolytic graphite sample annealed at 670 K in air has been observed. Flux trap** occurs on cooling of the sample from room temperature to 10 K in a magnetic fi...

    M. Saad, I. F. Gilmutdinov, A. G. Kiiamov, D. A. Tayurskii, S. I. Nikitin… in JETP Letters (2018)

  19. No Access

    Article

    Photoconductivity and photostimulated phenomena in Pb1 − y La y (Zr1 − x Ti x )O3 ceramics

    The spectral dependences of photoconductivity and photostimulated currents in Pb0.91La0.09(Zr0.65Ti0.35)O3 ceramic samples at zero external voltage have been studied. Based on the experimental data, the structure...

    R. F. Mamin, S. A. Migachev, M. F. Sadykov, R. V. Yusupov in Physics of the Solid State (2015)

  20. No Access

    Article

    The transition from dynamics to statics in the electron-spin-resonance spectra of impurity Mn2+ ions in strontium titanate

    The electron-spin-resonance (ESR) spectra of SrTiO3:Mn single crystals have been investigated. Results unambiguously indicate that the impurity center formed by an Mn2+ ion has a dynamic nature. In the high tempe...

    D. G. Zverev, R. V. Yusupov, A. A. Rodionov, O. E. Kvyatkovskii… in Optics and Spectroscopy (2014)

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