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Influence of Structural Anisotropy on the Irreversibility Line of High-T c Cuprates

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Abstract

From zero-field-cooled and field-cooled magnetic response, we have determined the irreversibility lines for a number of high-T c oxides, viz., La(Sr)-214, Nd-223, Dy(Tb)-124, (Tl, Pb)-1212, and Tl-11112, in the H–T plane, which fit the relation H=A(1 –T/T c )n. Our results are consistent with a correlation between the anisotropy of the structure and the value of n, is in agreement with the Josephson decoupling model [1].

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Authors and Affiliations

  1. Chemistry Division, Bhabha Atomic Research Centre, Mumbai, 400 085, India

    I. K. Gopalakrishnan & J. V. Yakhmi

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  1. I. K. Gopalakrishnan
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  2. J. V. Yakhmi
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Gopalakrishnan, I.K., Yakhmi, J.V. Influence of Structural Anisotropy on the Irreversibility Line of High-T c Cuprates. Journal of Superconductivity 11, 689–691 (1998). https://doi.org/10.1023/A:1022676703563

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