摘要
Copper 2P core level X-ray photoelectron spectra on several high Tc superconductors La1.85Ba0.15CuO4, Y1.2Ba0.8CuO4-δ and Y0.4B0.6CuO4-δ oxides have been measured. The results indicate the coexistence of Cu2+ and Cu3+ in these compounds.
原文 | ???core.languages.en_GB??? |
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頁(從 - 到) | 761-763 |
頁數 | 3 |
期刊 | Solid State Communications |
卷 | 64 |
發行號 | 5 |
DOIs | |
出版狀態 | 已出版 - 11月 1987 |