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Superconductivity in the 100–120 K region in oxides of the Tl-Ca-Ba-Cu-O system |
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| Authors: | A K Ganguli G N Subbanna A M Umarji S V Bhat C N R Rao |
| Institution: | 1. Solid State and Structural Chemistry Unit, Indian Institute of Science, 560 012, Bangalore, India 2. Materials Research Laboratory, Indian Institute of Science, 560 012, Bangalore, India 3. Department of Physics, Indian Institute of Science, 560 012, Bangalore, India |
| Abstract: | Oxides with different cation ratios 2122, 2212, 2213 and 2223 in the Ti-Ca-Ba-Cu-O system exhibit onset of superconductivity in the 110–125 K range with zero-resistance in the 95–105 K range. Electron microscopic studies show dislocations, layered morphology and other interesting features. These oxides absorb electromagnetic radiation (9.11 GHz) in the superconducting phase. |
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