Рубрики:
CRITICAL-CURRENT ANISOTROPY
HIGH-TEMPERATURE SUPERCONDUCTOR
CRITICAL-CURRENT DENSITY
MAGNETIC HYSTERESIS
TAPES
FLUX
YBA2CU3O7-DELTA
FIELD
Кл.слова (ненормированные):
Magnetoresistance -- Anisotropy -- Scaling -- Magnetization -- Bi2223 -- BSCCO -- Anisotropy -- Bi2223 -- BSCCO -- Magnetization -- Magnetoresistance -- Scaling -- Bi-2223 -- BSCCO -- External fields -- Granular superconductors -- Magnetic induction -- Parameters characterizing -- Anisotropy -- Calcium -- Ceramic materials -- Crystallites -- Electric resistance -- Hysteresis -- Lead -- Magnetic moments -- Magnetoelectronics -- Magnetoresistance -- Nanocrystalline alloys -- Silver -- Superconducting materials -- Superconductivity -- Magnetic field effects
CRITICAL-CURRENT ANISOTROPY
HIGH-TEMPERATURE SUPERCONDUCTOR
CRITICAL-CURRENT DENSITY
MAGNETIC HYSTERESIS
TAPES
FLUX
YBA2CU3O7-DELTA
FIELD
Кл.слова (ненормированные):
Magnetoresistance -- Anisotropy -- Scaling -- Magnetization -- Bi2223 -- BSCCO -- Anisotropy -- Bi2223 -- BSCCO -- Magnetization -- Magnetoresistance -- Scaling -- Bi-2223 -- BSCCO -- External fields -- Granular superconductors -- Magnetic induction -- Parameters characterizing -- Anisotropy -- Calcium -- Ceramic materials -- Crystallites -- Electric resistance -- Hysteresis -- Lead -- Magnetic moments -- Magnetoelectronics -- Magnetoresistance -- Nanocrystalline alloys -- Silver -- Superconducting materials -- Superconductivity -- Magnetic field effects
Аннотация: Magnetoresistance of bulk textured Bi1.8Pb0.3Sr1.9Ca2Cu3Ox + Ag ceramics has been studied in the magnetic fields applied parallel and perpendicular to a-b planes of Bi2223 crystallites. Besides well known anisotropy of magnetoresistance of textured superconductors (R-H parallel to c > RH parallel to a-b), anisotropic hysteresis of R(H) dependences was investigated. Parameters characterizing hysteretic R(H) curves differ for the cases H parallel to c and H parallel to a-b. This behavior is explained within the model of a granular superconductor where the total magnetic induction in the intercrystallite boundaries is superposition of the external field and the magnetic field induced by dipole magnetic moments of neighbor crystallites. (C) 2009 Elsevier B.V. All rights reserved.
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Держатели документа:
[Gokhfeld, D. M.] RAS, SD, LV Kirensky Phys Inst, High Magnet Fields Lab, Krasnoyarsk 660036, Russia
[Balaev, D. A.
Semenov, S. V.
Shaykhutdinov, K. A.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
ИФ СО РАН
L.V. Kirensky Institute of Physics, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Popkov, S. I.; Попков, Сергей Иванович; Semenov, S. V.; Семенов, Сергей Васильевич; Bykov, A. A.; Быков, Алексей Анатольевич; Shaykhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Petrov, M. I.; Петров, Михаил Иванович