Abstract
Effects of the temperature-time schedule on the phase composition, critical current density j c, critical temperature T c, and electric resistance in the normal state (ρ) of the samples of Bi1.6Pb0.4Sr2−x KxCa2Cu3F0.8Oy (x=0 or 0.02) compositions were studied by X-ray diffraction analysis and by measuring resistances and current-voltage characteristics of the samples. The values of j c=of 583.6 A/cm2 (at 77.4 K) and T c(R=0)=107.1 K were obtained in the samples with x=0.02 upon partial fusion. In order to obtain high j c values, the samples must be synthesized (sintered) prior to the fusion stage.
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X. H. Gao, S. F. Jiang, D. Gao, et al., Physica C 245, 66 (1995).
X. G. Wang, P. Y. Hu, Z. M. Huang, et al., Physica C 233, 327 (1994).
S. Horiuchi, K. Shoda, H. Nozaki, et al., Jpn. J. Appl. Phys. 28, L621 (1989).
Z. T. Nang, S. J. Wang, and X. H. Gao, Phys. Rev. B 50, 3209 (1994).
S. Y. Lee, S. Suehara, and S. Horiuchi, Physica C 185–189, 477 (1991).
X. H. Gao, X. L. Wu, and H. Yan, Mod. Phys. Lett. B 4, 137 (1990).
V. V. Petrashko, N. D. Zhigadlo, B. V. Novysh, et al., Pis’ma Zh. Tekh. Fiz. 24, 8 (1998) [Tech. Phys. Lett. 24, 374 (1998)].
N. D. Zhigadlo, V. V. Petrashko, Yu. A. Semenenko, and N. A. Prytkova, Pis’ma Zh. Tekh. Fiz. 23, 30 (1997) [Tech. Phys. Lett. 23, 548 (1997)].
Y. E. Lu, X. Z. Wu, Q. J. Dong, et al., Phys. Status Solidi A 141, 175 (1994).
T. Honda, T. Wada, M. Sakai, et al., Jpn. J. Appl. Phys. 27, L545 (1988).
M. P. Chudzik, B. J. Polizin, R. Thayer, et al., IEEE Trans. Appl. Supercond. 7, 2102 (1997).
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Translated from Pis’ma v Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 26, No. 8, 2000, pp. 88–94.
Original Russian Text Copyright © 2000 by Petrashko, Novysh, Prytkova, Gololobov, Kurochkin.
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Petrashko, V.V., Novysh, B.V., Prytkova, N.A. et al. Effect of synthesis conditions on the phase composition and critical current density of Bi1.6Pb0.4Sr2−x KxCa2Cu3F0.8Oy . Tech. Phys. Lett. 26, 354–356 (2000). https://doi.org/10.1134/1.1262842
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DOI: https://doi.org/10.1134/1.1262842