Doping effect of Sn on superconductivity of YBa2Cu3Oy
| Autor: | Zhi Yu, Chen Yi-Long, Li Biao-Rong, Chen Ang, Wang Shao-Jie |
|---|---|
| Rok vydání: | 1992 |
| Předmět: |
Superconductivity
chemistry.chemical_classification High-temperature superconductivity Mössbauer effect Condensed matter physics Doping Analytical chemistry chemistry.chemical_element Condensed Matter Physics Microstructure Ion law.invention Condensed Matter::Materials Science chemistry law Condensed Matter::Superconductivity General Materials Science Tin Inorganic compound |
| Zdroj: | Journal of Physics: Condensed Matter. 4:4981-4987 |
| ISSN: | 1361-648X 0953-8984 |
| DOI: | 10.1088/0953-8984/4/21/013 |
| Popis: | The superconductivity of YBa2Cu3Oy ceramics doped with SnO2 was studied. The superconducting transition temperature Tc was increased slightly as the SnO2 content changed from 0 to 5 wt.%. The results of the Mossbauer effect and the positron annihilation spectra showed that the Sn ions did substitute for Cu(1) sites. The increase in Tc may be attributed to the optimal carrier concentration as well as to the fine and dense microstructure obtained by doping with SnO2. |
| Databáze: | OpenAIRE |
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