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Synthesis and Characterization of T12Ba2CaCu2O8 and T12Ba2Ca2Cu3O10

  • Lauren E. H. McMills (a1), Shu Li (a1), Zhen Zhang (a1) and Martha Greenblatt

Abstract

Single-phase samples of T12Ba2CaCu2O8 and T12Ba2Ca2Cu3O10 have been prepared using a reliable and simple synthetic method. Samples were characterized by x-ray powder diffraction, magnetic susceptibility and four probe resistivity methods. The Tc R=0 values for T12Ba2CaCu2O8 ranged from 100 to 105K, whereas those for T12Ba2Ca2Cu3O10 ranged from 96 to 107K. The relationship between the superconducting properties and the various preparation conditions are discussed.

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1 Sheng, Z.Z. and Hermann, A.M., Nature 332, 55 (1988).
2 Sheng, Z.Z. and Hermann, A.M., Nature 332, 138 (1988).
3 Ramanujachary, K.V., Li, S. and Greenblatt, M., Physica C, to be published.
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6 Gopalakrishnan, I.K., Sastry, P.V.S.S., Rajagopal, H., Sequeira, A., Yakhmi, J.V. and Iyer, R.M., Physica C, in press.

Synthesis and Characterization of T12Ba2CaCu2O8 and T12Ba2Ca2Cu3O10

  • Lauren E. H. McMills (a1), Shu Li (a1), Zhen Zhang (a1) and Martha Greenblatt

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