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The synthesis and characterization of (Tl0.6Pb0.2Bi0.2) (Sr1.8Ba0.2)Ca2Cu3O9+x powder and Ag-sheathed tape

Richardson, K.A., Wu, S., Bracanovic, D., de Groot, P.A.J., Al-Mosawi, M.K., Ogborne, D.M. and Weller, M.T. (1995) The synthesis and characterization of (Tl0.6Pb0.2Bi0.2) (Sr1.8Ba0.2)Ca2Cu3O9+x powder and Ag-sheathed tape Superconductor Science and Technology, 8, (4), pp. 238-244. (doi:10.1088/0953-2048/8/4/008).

Record type: Article


We have prepared a single-phase superconducting Tl-1223 powder with Tc above 110 K and used this promising material to produce Ag-sheathed tape. The powder was synthesized by partially substituting Pb and Bi for Tl, and substituting Sr for Ba in a stoichiometry (Tl0.6Pb0.2Bi0.2)(Sr1.8Ba0.2)Ca2Cu3O9+x suggested by Liu et al. The accelerated formation and stabilization of the Tl-1223 phase was observed. The non-agglomerated powder was found to have a homogeneous platelike morphology with average grain size 4.5 μm and maximum grain size 18 μm. The intragrain critical current density was determined to be 6.3*107 A cm-2 at 5 K, 1 T, and 6.5*104 A cm-2 at 77 K, 1 T. Ag-sheathed tapes were fabricated with this powder and magnetic and transport critical current densities of as-rolled tapes and heat-treated tapes were measured. A transport critical current density of 5.6*103 A cm-2 was obtained at 77 K, O T. The relationship between processing conditions, microstructure, and superconducting properties of the tape were also investigated

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Published date: 1995


Local EPrints ID: 21726
ISSN: 0953-2048
PURE UUID: 14da97ed-9d40-405e-ae6b-a40c787e9370

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Date deposited: 30 Jan 2007
Last modified: 24 Jul 2017 16:36

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Author: K.A. Richardson
Author: S. Wu
Author: D. Bracanovic
Author: P.A.J. de Groot
Author: M.K. Al-Mosawi
Author: D.M. Ogborne
Author: M.T. Weller

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