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Автор(ы) : Gokhfeld D. M., Semenov S. V., Petrov M. I., Nemtsev I. V., Balaev D. A.
Заглавие : Anisotropy and crystallite misalignment in textured superconductors
Место публикации : J. Supercond. Nov. Magn. - 2023. - Vol. 36, Is. 1. - P.59-65. - ISSN 15571939 (ISSN), DOI 10.1007/s10948-022-06454-8. - ISSN 15571947 (eISSN)
Примечания : Cited References: 21. - This work was supported by the Russian Foundation for Basic Research and the Government of the Krasnoyarsk Territory, Krasnoyarsk Territorial Foundation for Support of Scientific and R&D Activities, project “Superconducting properties of YBCO incorporated by paramagnetic rare-earth elements” No. 20–42–240008
Аннотация: A misalignment of anisotropic crystallites causes small values of anisotropy and decreases the critical current density of textured polycrystalline superconductors. To relate the crystallite misalignment and out-plane anisotropy, the magnetic properties of the textured Bi2223 polycrystalline superconductor were investigated. A distribution of orientation angles of crystallites was determined using different data: scanning electron microscopy images and hysteresis magnetization loops when an external magnetic field was applied at different angles with respect to the texturing plane of the sample. It was demonstrated that the standard deviation of the distribution and the magnetic disorder angle of crystallites in textured samples can be determined from the magnetization data in perpendicular directions. These data may be either the irreversible magnetization measured for two different orientations of the sample or the simultaneously measured magnetization projections parallel and perpendicular to the magnetic field.
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