References
J. gG Bednorz andK. A. Muller,Z. Phys. B64 (1986) 189.
M. K. Wu, J. R. Ashburn, C. J. Torng, P. H. Hor, R. L. Meng, L. Gao, Z. J. Huang, Y. Q. Wang andC. W. Chu,Phys. Rev. Lett. 58 (1987) 908.
Z. Zhao, L. Chen, Q. Yang, C. Chen, R. Tang, G. Lui, C. Cui, L. Chen, L. Wang, S. Suo, S. Li andJ. Bi,Kexue Tongbao No 6 (1987).
Y. L. Luo, A. H. Morrish, Q. A. Pankhurst, G. H. Pellitier, G. J. Roy, D. Y. Zhang andX. Z. Zhou,Can. J Phys. 65 (1987).
Y. Khan,J. Mater. Sci. Lett. 7 (1988) 53.
T. Suzuki, T. Yamazaki, R. Sekine, A. Koukitu, H. Seiki andK. Takahashi,ibid. 8 (1989) 1271.
Y. Khan,ibid. 6 (1987) 1387.
S. A. Siddiqi andK. Hussain,J. Nat. Sci. Math. 23(1) (1988) 19.
C. H. Chen andB. Kumar,J. Amer Ceram. Soc. 774 (1994) 1025.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Siddiqi, S.A., Akhtar, B. & Khan, J.A.A. Effect of sodium substitution on superconductivity in the Y0.3Ba0.7−xNaxCuO3−y system. J Mater Sci Lett 15, 1733–1735 (1996). https://doi.org/10.1007/BF00636210
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF00636210