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Synthesis of (Hg,X)Ba2Ca2Cu3Ox Superconductors |
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| Authors: | P.V.P.S.S. Sastry K.M. Amm D.C. Knoll S.C. Peterson Ch. Wolters J. Schwartz |
| Affiliation: | 1. National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL, 32310, USA 2. Department of Physics, Florida State University, Tallahassee, FL, 32306, USA 3. Department of Mechanical Engineering, FAMU-FSU College of Engineering, Tallahassee, FL, 32306, USA |
| Abstract: | Synthesis and processing parameters for (Hg1?xBix)Ba2Ca2Cu3.1Oy were optimized for growth at temperatures suitable for growth on Ag and Au substrates (<850° C). Use of Bi2CuO4 as a Bi source combined with variations of BaCaCuO precursor phase assemblages allowed the formation of some liquid phase during the reaction and resulted in dense (Hg1?xBix)Ba2Ca2Cu3.1Oy samples with aligned colonies of grains. Magnetization measurements in fields up to 30 T indicated good intergrain coupling within the large grain colonies. The results of the Bi doped samples are compared with those of previously reported Re doped samples. |
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