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Elsevier, Physica C: Superconductivity and its Applications, (341-348), p. 1185-1186

DOI: 10.1016/s0921-4534(00)00851-0

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Fluctuation induced conductivity studies of 100 MeV oxygen ion irradiated Pb doped Bi-2223 superconductors

Journal article published in 2000 by Tamalika Banerjee ORCID, Ravi Kumar, D. Kanjilal, S. Ramasamy
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This paper is available in a repository.

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Abstract

We report on 100 MeV oxygen ion irradiation in Pb doped Bi-2223 superconductors. Resistivity measurements reveal that both grains as well as the grain boundaries are affected by such irradiation. An analysis of the excess conductivity has been made within the framework of Aslamazov-Larkin (AL) and Lawrence-Doniach (LD) theories. A 2D to 3D transition is observed with increasing fluences. The coherence length and the Josephson coupling has been estimated from LD theory.