Chinese Journal of Applied Chemistry ›› 1989, Vol. 0 ›› Issue (1): 89-90.
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Zhao Liangzhong, Zhu Daoben, Zhang Jinbiao, Wang Junru, Yang Deliang, Cheng Dejun, Hu Yuxiu, Gao Kezhen, Hou Keyue
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Abstract: XPS studies show that the valence of Ba in superconducting YBa2Cu3O～7 is + 2.Theshoulders on the Ba 3d spectrum of the air exposed superconductor did not originate fromthe chemical shift, but from the different charging effect.
Key words: X-ray pholoelectron spectroscopy(XPS), High Tc suporconductor, Barium
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 YBa2 Cu3 O～7[J]. Chinese Journal of Applied Chemistry, 1989, 0(1): 89-90.
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