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Citation: Zhang Lin, Zhao Liang-Zhong, Zhang Jin-Biao, Xu Cui-Ying, Liu Shi-Hong. Anodic Electrocrystallization of BaKPbO and BaKPbBiO from Molten Salt[J]. Acta Physico-Chimica Sinica, ;1999, 15(11): 1049-1052. doi: 10.3866/PKU.WHXB19991118 shu

Anodic Electrocrystallization of BaKPbO and BaKPbBiO from Molten Salt

1.
Institute of Chemistry,Chinese Academy of Science,Beijing 100080

Received Date: 25 January 1999
Available Online: 15 November 1999

BaKPbO and BaKPbBiO single crystals were electrodeposited on anode by the molten salt electrochemical method using KOH/KNO3 as flux. It is found that the K content decreases when the KNO3 concentration in the flux increases. On the other hand, when the KNO3 concentration in the flux is constant, the K content increases as the Bi content in the BaKPbBiO crystals increases. The magnetic susecptibility measurements show that Ba-K-Pb-Bi-O crystals are superconducting while BaKPbO crystals are not. XPS analyses reveal that the M(M=Pb, Bi)6s-O2p valence band moves toward the Fermi level when the Bi content in BaKPbBiO decreases.
- Complex oxides,
- Anodic electrocrystallization,
- Superconductivity,
- Electronic structure
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