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STUDY OF SUPERCONDUCTING MATERIAL YBa2Cu3O9-δ BY POSITRON ANNIHILATION TECHNIQUE |
ZHU Shengyun;LI Anli;BAI Xixiang;DU Hongshan;LI Donghong,
ZHENG Xianmiao1;ZHANG Wanjing1;CHEN KaiYuan2 |
Institute of Atomic Energy, Beijing
1Department of Chemistry, Beijing University, Beijing
2Department of Physics, Beijing University, Beijing |
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Cite this article: |
ZHU Shengyun, LI Anli, BAI Xixiang et al 1988 Chin. Phys. Lett. 5 53-56 |
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Abstract Characteristics of superconducting and semiconductor materials with the same composition have been studied at room temperature, 94K, and 77K by the positron annihilation technique. The results indicate that the phase transition of electronic structure in the superconducting material takes place in the superconducting state.
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53-56
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Published: 01 February 1988
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