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Citation: Zhao Liangzhong, Zhu Daoben, Zhang Jinbiao, Wang Junru, Yang Deliang, Cheng Dejun, Hu Yuxiu, Gao Kezhen, Hou Keyue. ON THE VALENCE OF BARIUM IN SUPERCONDUCTING YBa₂Cu₃O_~7[J]. Chinese Journal of Applied Chemistry, ;1989, 6(1): 89-90. shu

ON THE VALENCE OF BARIUM IN SUPERCONDUCTING YBa₂Cu₃O_~7

1.
Institute of Chemistry, Academia Sinica, Beijing

Received Date: 26 April 1988
Available Online: 6 August 1988

XPS studies show that the valence of Ba in superconducting YBa₂Cu₃O)_~7 is +2.The shoulders on the Ba 3d spectrum of the air exposed superconductor did not originate fromthe chemical shift, but from the different charging effect.
- X-ray photoelectron spectroscopy(XPS),
- e suporconductor')"> High Te suporconductor,
- Barium
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沈阳化工大学材料科学与工程学院沈阳 110142

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ON THE VALENCE OF BARIUM IN SUPERCONDUCTING YBa₂Cu₃O_~7