Influence of heat treatment on the superconducting properties of Bi1.6Pb0.3Sb0.1Sr2Ca2Cu3O
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| Authors: | Haiqian Wang Zhiqiang Mao Ling Zhou Menghua Cheng Guien Zhou Zhaojia Chen |
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| Institution: | (1) Department of Physics, University of Science and Technology of China, 230026 Hefei, Anhui, PR China |
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| Abstract: | Differently heat-treated samples with the nominal composition Bi1.6Pb0.3Sb0.1Sr2Ca2Cu3O
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were studied by resistance and ac susceptibility measurements in the temperature range 77 K<T<200 K. The X-ray diffraction patterns at room temperature were also investigated. The experimental results show that repeated quenchings can depress the formation of the 80 K phase, and enhance the formation of the 110 K phase. |
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| Keywords: | 74 10 74 70V |
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