Zobrazeno 1 - 10
of 691
pro vyhledávání: '"V S Kortov"'
Publikováno v:
Radiation Measurements. 106:155-160
A thermal quenching effect of luminescence was studied in nanostructured compacts of monoclinic zirconium dioxide obtained by cold pressing of nanopowders. The dependence of PL intensity at 480 nm emission band on temperature was found experimentally
Autor:
E.V. Moiseykin, V. S. Kortov, A.S. Merezhnikov, A.I. Ponomareva, S. V. Nikiforov, L.O. Oduyeva
Publikováno v:
Radiation Measurements. 106:519-524
TL of a deep trap was studied during isothermal heating in dosimetric Al 2 O 3 :C crystals irradiated by a high-dose pulsed electron beam. The TL build-up of a deep trap associated with the peak at 440 °C was found. This effect was absent for TL pea
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 407:191-196
Electron paramagnetic resonance (EPR) and photoluminescence (PL) spectra of anion-defective alumina single crystals were measured. Exposure to a dose 10 Gy–1 kGy causes isotropic EPR signal of a complex form, this signal contains narrow and broad c
Autor:
S. V. Nikiforov, V. S. Kortov
Publikováno v:
Physics of the Solid State. 59:1717-1724
The thermoluminescent properties of anion-defect alumina single crystals with different FWHMs of the main (dosimetric) peak at 400–500 K are studied. New experimental evidence in favor of the hole nature of traps associated with the high-temperatur
Publikováno v:
Vacuum. 143:433-437
A method of nanopowder sintering in vacuum with the presence of carbon was used to manufacture oxygen-deficient Al 2 O 3 and MgO luminescent ceramics. They were sintered at varying temperatures and annealing time. It was shown that during sintering i
Publikováno v:
Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques. 11:727-731
The photoluminescence of Zn2SiO4:Mn2+ ceramics with a particle size of 120 ± 10 nm, which is excited in the range of 3.5–5.8 eV and subjected to synchrotron radiation with photon energies of up to 20 eV, is investigated. Nanoscale Zn2SiO4:Mn2+ cer
Publikováno v:
Journal of Luminescence. 186:189-193
Thermally stimulated luminescence (TSL) spectra in the 313–580 K temperature range have been studied in anion-defective alumina crystals (named in literature as Al 2 O 3 :C) exposed to different irradiation doses. The TSL curve features two peaks w
Autor:
V. A. Pustovarov, N. V. Gaponenko, M. V. Rudenko, Alexander A. Sergeev, K. A. Petrovykh, V. S. Kortov, Andrey A. Rempel, S. S. Voznesenskii, L. S. Khoroshko
Publikováno v:
Physics of the Solid State. 58:2062-2067
The photoluminescence properties of a composite material prepared by the introduction of the nanosized phosphor Zn2SiO4:Mn2+ into porous anodic alumina have been investigated. Scanning electron microscopy studies have revealed that Zn2SiO4:Mn2+ parti
Publikováno v:
Radiation Measurements. 90:252-256
The luminescent and dosimetric properties of ultrafine MgO ≿eramics synthesized in strongly reducing conditions at Т = 1100–1400 °С are investigated. The growth of photo- and cathodoluminescence output at 2.0–3.5 eV (400–600 nm) is found.
Autor:
N. V. Gaponenko, V. A. Pustovarov, T. F. Raichyonok, Sergei A. Tikhomirov, V. S. Kortov, L. S. Khoroshko
Publikováno v:
Journal of Applied Spectroscopy. 83:358-361
Yttrium–aluminum composites doped with terbium were synthesized by precipitation on porous anodic alumina fi lms grown on silicon substrates. The fabricated structures demonstrated x-ray-, cathodo-, and photoluminescence with characteristic bands o