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Electron microscopy study of Pb-substitution in bulk Bi–Sr–Ca–Cu–O superconductors

  • D. J. Werder (a1), C. H. Chen (a1), S. Jin (a1) and R. C. Sherwood (a1)


We present the results of an electron microscopy study of Pb-substitution in bulk Bi–Sr–Ca–Cu–O superconductors. We observe grains with c-axis lattice parameters of 30.8 Å (2212 phase), 36.7 Å (2223 phase), and 43.2 Å (2234 phase) containing no intergrowth defects. The existence of two separate incommensurate superstructures, Q1 and Q2, which were previously observed in Pb-doped ceramics and single crystals, has been confirmed in this study. It is found that superlattice reflections from the Q2,-modulated structure in the 2223 phase are much weaker than those from the Q2-modulation, whereas the diffraction intensities of the Q1- and Q2-modulations in the 2212 phase are similar. We also show that the periodicity along the b-axis of the Q2-modulation increases with increasing Pb-substitution, contrary to the implications of a previously suggested structural model.



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1Sunshine, S.A., Siegrist, T., Schneemeyer, L. F., Murphy, D.W., Cava, R.J., Batlogg, B., Dover, R. B. van, Fleming, R. M., Glarum, S.H., Nakahara, S., Farrow, R., Krajewski, J. J., Zahurak, S.M., Waszczak, J. V., Marshall, J.H., Marsh, P., Rupp, L. W. Jr, and Peck, W. F., Phys. Rev. B 38, 893 (1988).
2Tanano, K., Kumakura, H., Maeda, H., Yanagisawa, E., and Takahashi, K., Appl. Phys. Lett. 53, 1329 (1988).
3Green, S.M., Jiang, C., Mei, Yu, Luo, H.L., and Politis, C., Phys. Rev. B 38, 5016 (1988).
4Chen, C. H., Werder, D.J., Espinosa, G.P., and Cooper, A. S., Phys. Rev. B 20, 4686 (1989).
5Ramesh, R., Tendeloo, G. van, Thomas, G., Green, S.M., and Luo, H.L., Appl. Phys. Lett. 53, 2220 (1988).
6Chen, C. H., Werder, D. J., Liou, S. H., Chen, H. S., and Hong, M., Phys. Rev. B 37, 9834 (1988).
7Shaw, T. M., Shivashankar, S.A., LaPlaca, S.J., Cuomo, J.J., McGuire, T. R., Roy, R.A., Kelleher, K. H., and Yee, D. S., Phys. Rev. B 37, 9856 (1988). K. Hiraga, M. Hirabayashi, M. Kikuchi, and Y. Syono, Jpn. J. Appl. Phys. 27, L569 (1988). J. D. FitzGerald, R. L. Withers, J.G. Thompson, L. R. Wallenberg, J. S. Anderson, and B.G. Hyde, Phys. Rev. Lett. 60, 2797 (1988).
8Tarascon, J.M., Page, Y. Le, Barboux, P., Bagley, B.G., Green, L.H., McKinnon, W. R., Hull, G.W., Giroud, M., and Hwang, D. M., Phys. Rev. B 37, 9382 (1988).
9Hazen, R. M., Prewitt, C. T., Angel, R. J., Ross, N. L., Finger, L. W., Hadidiacos, C.G., Veblen, D.R., Heaney, P.J., Hos, P.H., Meng, R. L., Sun, Y. Y., Wang, Y. Q., Xue, Y. Y., Huang, Z. J., Gao, L., Bechtold, J., and Chu, C. W., Phys. Rev. Lett. 60, 1174 (1988).
10Matsui, Y., Maeda, H., Tanaka, Y., Takayama-Muromachi, E., Takekawa, S., and Horiuchi, S., Jpn. J. Appl. Phys. 27, L827 (1988).
11Zandbergen, H. W., Huang, Y. K., Menker, M.J.V., Li, J. N., Kadowaki, K., Menovsky, A. A., Tendeloo, G. van, and Amelinckx, S., Nature 332, 620 (1988).
12Ramesh, R., Thomas, G., Green, S., Jiang, C., Mei, Yu, Rudee, M. L., and Luo, H.L., Phys. Rev. B 38, 7070 (1988).
13Werder, D.J., Chen, C.H., Liou, S.H., Hong, M., and Chen, H. S. (unpublished research).
14Matsui, Y., Maeda, H., Tanaka, Y., and Horiuchi, S., Jpn. J. Appl. Phys. 27, L372 (1988).
15Trevor, P. and Werder, D. J. (unpublished research).

Electron microscopy study of Pb-substitution in bulk Bi–Sr–Ca–Cu–O superconductors

  • D. J. Werder (a1), C. H. Chen (a1), S. Jin (a1) and R. C. Sherwood (a1)


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