Skip to main content

14 Result(s)

within N.V. Klassen Remove this filter Physics Remove this filter

and

  1. No Access

    Article

    Studying the spectrometric characteristics of an ionizing-radiation detector based on a LaBr3(Ce) scintillator and a silicon photomultiplier

    The intrinsic background of a LaBr3(Ce) scintillator with a diameter of 5 mm and a height of 10 mm has been studied in comparison with LYSO and CeBr3 scintillators. It is shown that due to its high energy resolut...

    A. K. Berdnikova, F. A. Dubinin, V. V. Dmitrenko… in Instruments and Experimental Techniques (2017)

  2. No Access

    Article

    Studying the characteristics of the spectrometric detector based on a LaBr3:Ce crystal and a ФЭУ-184 photomultiplier tube

    Results of investigations of the scintillation detector based on a LaBr3:Ce crystal and a ФЭУ-184 photomultiplier tube are presented. It is shown that, optimizing the ФЭУ-184 photomultiplier tube circuit by readi...

    A. S. Simutin, M. Yu. Chernov, A. A. Gasanov… in Instruments and Experimental Techniques (2013)

  3. No Access

    Article

    Spectroscopy of composite scintillators

    The spectral and temporal characteristics of X-ray luminescence of composites consisting of microparticles of “heavy” components (oxides, fluorides, sulfates) and an organic polymer binder containing optically...

    S. Z. Shmurak, V. V. Kedrov, N. V. Klassen, O. A. Shakhrai in Physics of the Solid State (2012)

  4. No Access

    Article

    Pulsed X-ray luminescence of composites consisting of inorganic particles and organic phosphors

    A fast luminescence component with a duration of ∼2 ns has been observed upon pulsed X-ray excitation of composites composed of microparticles of a heavy constituent (heavy-metal oxides and fluorides) and opti...

    S. Z. Shmurak, V. V. Kedrov, N. V. Klassen, O. A. Shakhrai in Technical Physics Letters (2012)

  5. No Access

    Article

    Peculiarities of intrinsic background in LaBr3: Ce and CeBr3 scintillating crystals

    The intrinsic background was measured in LaBr3:Ce and CeBr3 scintillating crystals grown at the Institute of Solid-State Physics of the Russian Academy of Sciences. The measurements were taken in the range of γ-r...

    A. F. Iyudin, V. V. Bogomolov, S. I. Svertilov… in Instruments and Experimental Techniques (2009)

  6. No Access

    Article

    Scintillation fibers and nanoscintillators for improving the spatial, spectrometric, and time resolution of radiation detectors

    Experimental examples demonstrate a significant improvement of the most important parameters (sensitivity; spatial, spectrometric, and time resolution; and radiation hardness) of radiation detectors with sensi...

    N. V. Klassen, V. N. Kurlov… in Bulletin of the Russian Academy of Science… (2009)

  7. No Access

    Article

    Peculiarities of nanostructured silicon carbide films and coatings obtained by novel technique

    A new method has been developed for obtaining various versions of nanostructured SiC films and coatings, whose structure can be altered in a controlled way for different applications. The films and coatings ob...

    K. N. Filonov, V. N. Kurlov, N. V. Klassen… in Bulletin of the Russian Academy of Science… (2009)

  8. No Access

    Article

    New shaped ceramics based on silicon carbide

    New techniques have been developed for producing inexpensive shaped SiC ceramics with certain structure and porosity for a wide variety of applications. These techniques are based on the interaction of silicon...

    K. N. Filonov, V. N. Kurlov, N. V. Klassen… in Bulletin of the Russian Academy of Science… (2009)

  9. No Access

    Article

    Neutron detectors based on silicon photomultipliers

    Neutron detectors comprising a new type of photosensors—silicon photomultipliers—coupled to a single-crystal LiI(Eu) scintillator and a 6LiF/ZnS(Ag) scintillation screen are described. These detectors are compact...

    S. M. Ignatov, V. N. Potapov, S. M. Neretin… in Instruments and Experimental Techniques (2009)

  10. No Access

    Article

    Optical phonon spectra of lutetium fluoride, oxyfluoride, and lutetium oxide nanoparticles

    Nano-and microcrystalline LuF3 phases have been synthesized with particle sizes of 30 nm and 30 μm, respectively. Analysis of the IR reflection spectra measured at T = 300 K showed that the nanophase differs from...

    A. V. Bazhenov, T. N. Fursova, V. V. Kedrov… in Bulletin of the Russian Academy of Science… (2008)

  11. No Access

    Article

    “Isomorphous” phases in nanodispersed powders of rare-earth oxides

    Using x-ray diffraction, a structural state consisting of two “isomorphous” phases was revealed in nanocrystalline powders of simple oxides Re 2O3 (Re = Eu, Gd, La, Lu) and Y3Ga5O12 prepar...

    I. M. Shmyt’ko, E. A. Kudrenko, G. K. Strukova, N. V. Klassen in Physics of the Solid State (2008)

  12. No Access

    Article

    Properties of the microhardness of single-crystal C60 fullerite in sclerometric tests

    The mechanical properties of single-crystal fcc C60 fullerite are investigated by sclerometry and precision contact profilometry. Quantitative estimates are obtained for the microhardness anisotropy on the (100) ...

    A. G. Melent’ev, N. V. Klassen, N. P. Kobelev, R. K. Nikolaev… in Physics of the Solid State (1999)

  13. No Access

    Article

    Formation and growth of an α-PbF2 phase during the plastic deformation of β-PbF2 crystals

    The microstructure of strained β-PbF2 crystals is investigated by optical and scanning electron microscopy. It is established that the α-PbF2 previously observed by x-ray diffraction methods during the straining ...

    E. B. Borisenko, N. V. Klassen, I. B. Savchenko in Physics of the Solid State (1997)

  14. No Access

    Chapter

    Infrared Reflectivity, Inelastic Light Scattering and Energy Gap in a Y-Ba-Cu-O Superconductors

    Below 93K the spectra of FIR reflection and inelastic light scattering of Y-Ba-Cu-O samples reveal the peculiarities related with superconducting gap and optical phonons. The magnitude of the gap is found to be 2...

    A. V. Bazhenov, A. V. Gorbunov, N. V. Klassen, S. F. Kondakov… in Novel Superconductivity (1987)