Zobrazeno 1 - 10
of 62
pro vyhledávání: '"V. B. Kravchenko"'
Autor:
E. A. Cheshev, A. L. Koromyslov, S. L. Lysenko, V V Bezotosnyi, V. D. Bulaev, Yu. L. Kopylov, Yu. M. Popov, I. M. Tupitsyn, K. A. Polevov, K. V. Lopukhin, A. A. Kaminskii, A. V. Kiselev, V.V. Balashov, V. B. Kravchenko, Oleg N Krokhin, A. Yu Kanaev, M. A. Pankov
Publikováno v:
Quantum Electronics. 48:802-806
Autor:
V. V. Shemet, A. L. Koromyslov, E. A. Cheshev, V.V. Balashov, V. B. Kravchenko, Yu. L. Kopylov, A. A. Kaminskii, O.N. Krokhin, K. V. Lopukhin
Publikováno v:
Optical Materials. 71:103-108
SiO 2 , ZrO 2 , B 2 O 3 and MgO oxides and their combinations were used as sintering aids for preparation of yttrium aluminum garnet (YAG) ceramics doped by Nd 2 O 3. The influence of these additives on optimal sintering temperature, grain growth, vo
Autor:
A. A. Kaminskii, V. B. Kravchenko, E. A. Cheshev, V. V. Shemet, Yu. L. Kopylov, Oleg N Krokhin, V.V. Balashov, A. L. Koromyslov, K. V. Lopukhin, I. M. Tupitsyn
Publikováno v:
Bulletin of the Lebedev Physics Institute. 43:371-374
The effect of sintering aids of SiO2, ZrO2, B2O3, and MgO oxides on the optimum sintering temperature, ceramics grain growth, total volume of residual pores, and optical quality of obtained ceramics is studied. The best combinations of sintering aids
Autor:
E. Kalinina, A. I. Medvedev, V. B. Kravchenko, M. Leznina, Yu. L. Kopylov, Maxim V. Ivanov, Ulrich Kynast, Jiang Li, I. Krutikova
Publikováno v:
Journal of the European Ceramic Society. 36:4251-4259
To produce Yb-doped yttrium lanthanum oxide (Yb3+:(LaxY1 − x)2O3) thin disc ceramics from laser synthesized nanopowders, two colloidal methods were used: slip casting and electrophoretic deposition. Sintering of the compacts in vacuum (3 × 10−4
Autor:
I.O. Vorona, A.I. Cherednichenko, A.V. Tolmachev, R.P. Yavetskiy, D.Yu. Kosyanov, Yu. L. Kopylov, V.I. Vovna, V. B. Kravchenko, Vyacheslav N. Baumer
Publikováno v:
Journal of Alloys and Compounds. 686:526-532
Neodymium doped yttrium aluminum garnet (1–4 at.%) Nd3+:Y3Al5O12 laser ceramics were obtained by the reactive sintering method using commercial α-Al2O3, Y2O3, and Nd2O3 powders as starting materials, and SiO2, ZrO2 as a complex sintering aid. Phas
Autor:
M. Leznina, Ulrich Kynast, Yubai Pan, Lukasz Marciniak, Wieslaw Strek, V. B. Kravchenko, Ilya Snetkov, Jiang Li, Ivan B. Mukhin, O. V. Palashov, Maxim V. Ivanov, Yu. L. Kopylov, Dmitry A. Spassky
Publikováno v:
Optical Materials. 50:15-20
This paper describes the fabrication and investigation of highly transparent Yb-doped yttrium lanthanum oxide ceramics. For sintering of the ceramics we used a technology, which consists of several consecutive steps: (a) synthesis of weakly agglomera
Autor:
A.V. Tolmachev, V. B. Kravchenko, R.P. Yavetskiy, Yu. L. Kopylov, S.V. Parkhomenko, A.G. Doroshenko, D.Yu. Kosyanov, Vyacheslav N. Baumer
Publikováno v:
Journal of Crystal Growth. 401:839-843
Processes of phase formation and densification during reactive sintering of YAG:Nd3+ laser ceramics have been studied through the 2.88Y2O3–0.12Nd2O3–5Al2O3 model powder system with a bimodal yttria particle size distribution. It has been found th
Publikováno v:
Inorganic Materials. 50:951-959
Undoped and Nd- or Yb-doped laser-grade yttrium aluminum garnet and (Y,La)2O3 ceramics with a transmittance above 80% in the 1-μm lasing region have been prepared by solid-state reactions using nonagglomerated Y2O3 and Al2O3 nanopowders. The Y2O3 na
Autor:
A.V. Tolmachev, O.V. Zelenskaya, V. B. Kravchenko, S.V. Parkhomenko, А.V. Lopin, N.A. Dulina, R.P. Yavetskiy, Yu. L. Kopylov
Publikováno v:
Optical Materials. 35:812-816
Density, morphology, optical transmittance and luminescence of undoped and europium-doped Lu2O3 ceramics have been studied. It has been revealed that europium ions in concentration of 5 at.% act as a solid-state sintering aids in Lu2O3 ceramics promo
Autor:
Yu. L. Kopylov, V. A. Luzanov, Sergei N. Bagayev, A. A. Kaminskii, Iosif Kotelyanskii, V. B. Kravchenko
Publikováno v:
Optical Materials. 35:757-760
Yttrium aluminium garnet (YAG) ceramics with stoichiometric Y2O3:Al2O3 = 3:5 ratio and with excessive Y2O3 and Al2O3 content up to 5 mol.% were prepared by solid-state reaction of nanopowders. The ceramics samples in close contact with YAG single cry