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Citation: Chen Xue-An, Chen De-Jun, Xu Cui-Ying, Zhang Jin-Biao, Zhu Dao-Ben, Yang De-Liang. The Effect of Cu₂S Addition on the Superconductivity of Bi-Pb-Sr-Ca-Cu-O System[J]. Acta Physico-Chimica Sinica, ;1994, 10(08): 704-709. doi: 10.3866/PKU.WHXB19940807 shu

The Effect of Cu₂S Addition on the Superconductivity of Bi-Pb-Sr-Ca-Cu-O System

1.
Institute of Chemistry, Academia Sinica, Beijing 100080

Received Date: 13 February 1993
Available Online: 15 August 1994

Superconductivity of Cu_2S doped Bi-Pb-Sr-CaCu-O system has been investigated by resistance, X-ray diffraction and XPS measurements. It was found that an appropriate amount of Cu_2S can lower the optimum sintering temperature and enhance the formation of the high-T_c phase. The analyses of XPS spectra reveal that the addition of Cu_2S causes the negative chemical shifts of the Cu 2p_(3/2) main peaks and the diminution of their satellite areast suggesting that the hole contents decrease with increasing Cu_2S concentration.
- Superconductivity,
- Cu2S doped Bi-Pb-Sr-Ca-Cu-O system,
- R-T,
- XRD,
- XPS
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The Effect of Cu2S Addition on the Superconductivity of Bi-Pb-Sr-Ca-Cu-O System

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通讯作者: 陈斌, bchen63@163.com

The Effect of Cu₂S Addition on the Superconductivity of Bi-Pb-Sr-Ca-Cu-O System