Zobrazeno 1 - 10
of 32
pro vyhledávání: '"S. V. Lavrishchev"'
Autor:
V. Yu. Ivanov, Andrey S. Orekhov, A. A. Mukhin, A. M. Balbashov, S. V. Lavrishchev, L. D. Iskhakova
Publikováno v:
Crystallography Reports. 57:549-554
Multiferroic crystals Ln 1 − x MnO3 (Ln = Eu or Tb; Ln′ = Y or Ho) have been grown by floating-zone melting; the compositions of these crystals are close to the point of concentration transition from the orthorhombic structure to the hexagonal ph
Autor:
Valerii V Voronov, E. A. Tkachenko, Vyacheslav V Osiko, S. V. Kuznetsov, Pavel P. Fedorov, V. A. Konyushkin, Vladimir Ivanov, S. V. Lavrishchev, A. L. Nikolaev
Publikováno v:
Nanotechnologies in Russia. 5:624-634
The formation of Y2O3 nanoparticles in precipitation from acidic nitrate aqueous solutions, which was done by regulating pH at the expense of their titration with an ammonium hydroxide aqueous solution, was studied. The jellylike precipitates of a (Y
Autor:
Denis S. Lipatov, L. D. Iskhakova, Aleksei N Gur'yanov, A A Rybaltovsky, Mikhail M. Bubnov, Mikhail V. Yashkov, S V Lavrishchev, Evgenii M Dianov, Mikhail E. Likhachev, K.V. Zotov, Vladimir F. Khopin
Publikováno v:
Quantum Electronics. 39:857-862
The optical properties of fibres with aluminophosphosilicate (APS) glass cores have been studied at Al2O3 and P2O5 concentrations varied independently from 0 to 20%, and the ranges of dopant concentrations that ensure an optical loss level acceptable
Autor:
L. D. Iskhakova, L. N. Zherikhina, V. S. Mikhailov, L. Kh. Antonova, A. V. Troitskii, E. A. Kostrov, G. N. Mikhailova, E. I. Demikhov, A. M. Tskhovrebov, S. V. Lavrishchev, V. P. Aksenov
Publikováno v:
Technical Physics. 54:235-238
The stability of critical parameters T c and I c of commercial high-temperature superconducting wires upon long-term passage of transport current (about 0.7 I c ) in liquid nitrogen (77 K) is studied. Voltage-current characteristics U ( I ), as well
Autor:
M. A. Borik, V. V. Osiko, Elena E. Lomonova, M. A. Vishnyakova, Alexey V. Kulebyakin, S. V. Lavrishchev, O. M. Zhigalina
Publikováno v:
Nanotechnologies in Russia. 3:710-715
This paper reports on the results of investigations into the dependence of the structure of partially stabilized zirconia crystals on the composition and technological conditions used for their growth. The zirconia crystals containing from 0 to 4 mol
Publikováno v:
Crystallography Reports. 53:1107-1111
A series of Cr4+:CaMgSiO4 single crystals is grown using floating zone melting, and their microstructure, composition, and crystal structure are investigated. It is shown that regions with inclusions of second phases, such as forsterite, akermanite,
Autor:
Mikhail E. Likhachev, I. A. Bufetov, E. M. Dianov, Alexander A. Frolov, A. V. Shubin, S V Lavrishchev
Publikováno v:
Quantum Electronics. 38:441-444
The propagation of an optical discharge (OD) through optical fibres upon interference of LP01 and LP02 modes is studied. Under these conditions after the OD propagation through the fibre, the formation of an axially-symmetric group sequence of voids
Autor:
Pavel P. Fedorov, V. A. Konyushkin, S. V. Kuznetsov, V. V. Osiko, Valerii V Voronov, Tasoltan T. Basiev, S. V. Lavrishchev, Michail I. Alymov, Alexey B. Ankudinov
Publikováno v:
Doklady Physics. 52:677-680
Autor:
I. V. Yarotskaya, Valerii V Voronov, V. V. Osiko, S. V. Kuznetsov, Tasoltan T. Basiev, S. V. Lavrishchev, Pavel P. Fedorov
Publikováno v:
Russian Journal of Inorganic Chemistry. 52:315-320
The synthesis procedure has been worked out, and nanopowders of fluoride solid solutions (ss) Ca1−x R x F2+x (R = Er, Yb), Sr1−x Nd x F2+x , and Ba1−x Ce x F2+x have been manufactured by coprecipitation from aqueous solutions. The powders consi
Autor:
S. V. Kuznetsov, V. E. Shukshin, I. V. Yarotskaya, N. G. Kononova, Valerii V Voronov, E. A. Tkachenko, S. V. Lavrishchev, Pavel P. Fedorov
Publikováno v:
Inorganic Materials. 42:171-175
Two polymorphs of scandium orthoborate, ScBO3, are synthesized by adding aqueous ammonia to aqueous solutions of scandium nitrate and boric acids and calcining the resulting precipitates. Dehydration of the precipitates reaches completion below 300°