Effects of Yttrium Oxide Inclusions on the Orientation and Superconducting Properties of YBCO Films
Аннотация
The formation of Y2O3 secondary phase in the films of YBa2Cu3O7 (YBCO) high-temperature
superconductor is of large interest because Y2O3 inclusions can increase the critical current
density (Jc) in YBCO films. We studied Y-rich and Y-poor YBCO films prepared by the MOCVD
method. Y2O3 phase appeared in the Y-rich films as small (20x10 nm) oriented particles distributed
throughout the YBCO films. It was found that at the same growth conditions Y-rich YBCO films grew
highly c-oriented, whereas in the Y-poor films both a- and c-oriented YBCO grains were present. The
Y-rich films exhibited better superconducting properties (Jc) because of better YBCO texture and
magnetic flux pinning on the Y2O3 inclusions
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Литература
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3. Dimos D., Chaudhari P., Mannhart J. // Phys. Rev. B. 1990. V. 41. P. 4038.
4. Murakami M., Gotoh S., Fujimoto H., et al. // Supercond. Sci. Technol. 1991. V. 4. P. 843.
5. Ni B., Kiuchi M., Otabe E. S. // IEEE Trans. Appl. Supercond. 2003. V. 13. P. 3695.
6. Broussard P. R., Cestone V. C., Allen L. H. // IEEE Trans. Appl. Supercond. 1995. V. 5. P. 1222.
7. Campbell T. A., Haugan T. J., Maartense I., et al. // Physica C. 2005. V. 423. P. 1.
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Опубликован
2013-06-26
Как цитировать
Moyzykh, M. E., Boytsova, O. V., Bertrand, L., Amelichev, V. A., Samoilenkov, S. V., Voloshin, I. F., Kaul, A. R., Paumier, F., & Gaboriaud, R. J. (2013). Effects of Yttrium Oxide Inclusions on the Orientation and Superconducting Properties of YBCO Films. Конденсированные среды и межфазные границы, 15(2), 91-98. извлечено от https://journals.vsu.ru/kcmf/article/view/883
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