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pro vyhledávání: '"V.K. Vlasko-Vlasov"'
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Publikováno v:
Physica C: Superconductivity. 246:283-287
Sharp uncoupling of vortices from twin boundaries (TB's) at increasing inclination of the external field with respect to the TB plane is found by direct magnetooptic observations. Temperature dependence of the twin boundary pinning energy is determin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::473b77944fe9ccee0f2d41899e62410d
https://doi.org/10.1016/0921-4534(95)00147-6
https://doi.org/10.1016/0921-4534(95)00147-6
Autor:
N.M. Aleshina, A.A. Polyanskii, I.F. Voloshin, V.N. Goncharov, V. I. Nikitenko, L.M. Fisher, V.K. Vlasko-Vlasov, O.A. Poluschenko
Publikováno v:
Physica C: Superconductivity. 222:367-374
Direct observation of weak links in melt-textured YBCO samples is reported. It is found that weak links appear on the boundaries of textured domains, formed by crystalline plates with a common c -axis direction, at large enough misorientation angles
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be91f6dee8bf8797430e39d206cf48db
https://doi.org/10.1016/0921-4534(94)90555-x
https://doi.org/10.1016/0921-4534(94)90555-x
Autor:
B. W. Veal, V. I. Nikitenko, V.K. Vlasko-Vlasov, G. W. Crabtree, Ulrich Welp, A.A. Polyanskii
Publikováno v:
Physica C: Superconductivity. 222:361-366
The first observation of a new physical phenomenon - appearance of macroturbulence in type-II superconductors - is reported. It is found that during the remagnetization of high- T c single crystals in some temperature range the flux lines are condens
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5cdc4957a69ce22e8505f65c525705b0
https://doi.org/10.1016/0921-4534(94)90554-1
https://doi.org/10.1016/0921-4534(94)90554-1
Real-time observation of the effect of grain boundaries on magnetization of YBa2Cu3O7−x polycrystals
Autor:
Alexander L. Roytburd, Debra L. Kaiser, Alexander J. Shapiro, V.K. Vlasko-Vlasov, V. I. Nikitenko, L.A. Dorosinskii, Frank W. Gayle, A.A. Polyanskii, M. Turchinskaya
Publikováno v:
Physica C: Superconductivity. 221:62-70
A high-resolution, magneto-optical method has been used to study the effect of grain boundaries on the magnetization dynamics of YBa 2 Cu 3 O 7− x polycrystals as a function of temperature (7–50 K) and applied magnetic field (0 to ± 65 mT). At l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d016d8729fc2069d7de7d5a73ce1d3df
https://doi.org/10.1016/0921-4534(94)90666-1
https://doi.org/10.1016/0921-4534(94)90666-1
Publikováno v:
Physica C: Superconductivity. 219:81-86
Induction profiles in an inhomogeneously twinned YBa 2 Cu 3 O 7-δ single crystal were measured using a recently developed magneto-optic technique. The critical current value J c was derived from these profiles and temperature dependences of J c for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ed9f4616de0d905dd0de45550a736e3
https://doi.org/10.1016/0921-4534(94)90017-5
https://doi.org/10.1016/0921-4534(94)90017-5
Autor:
Debra L. Kaiser, V.K. Vlasko-Vlasov, M. Turchinskaya, V. I. Nikitenko, A.A. Polyanskii, Alexander L. Roytburd, Frank W. Gayle, Alexander J. Shapiro
Publikováno v:
Physica C: Superconductivity. 216:205-210
We report microscopic maps of magnetic induction in YBa 2 Cu 3 O 7− x crystals which directly show a correlation of flux penetration with twin boundary orientation and twin density. These maps were obtained by means of a recently-improved magneto-o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::abebb1044bea5645011c45b13f3f6cbc
https://doi.org/10.1016/0921-4534(93)90655-a
https://doi.org/10.1016/0921-4534(93)90655-a
Publikováno v:
Solid State Phenomena. :587-592
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a8005852002ae75dfd13f8b8db05f7d
https://doi.org/10.4028/www.scientific.net/ssp.35-36.587
https://doi.org/10.4028/www.scientific.net/ssp.35-36.587