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Effects of substitution of copper by iron and cation distribution in the Bi-Ca-Sr-Cu-O superconducting compounds

โœ Scribed by M. Mehbod; E. Vanlathem; R. Deltour; P.H. Duvigneaud; P. Wyder

Book ID
118340260
Publisher
Elsevier Science
Year
1990
Weight
485 KB
Volume
164-165
Category
Article
ISSN
0022-5088

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โœ F.H. Chen; H.S. Koo; S.C. Wu; T.Y. Tseng; S.R. Horng; M.F. Tai ๐Ÿ“‚ Article ๐Ÿ“… 1992 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 414 KB

Pb-doped Bi-Sr-Ca-Cu high-To superconducting oxides have been prepared by a modified sol-gel process via the EDTA route. Upon decomposing the X-ray photoemission spectrum of the Cu 2pa/2 core level of the superconducting oxide into three components Cu ~+, Cu 2 + and Cu 3+, we have found an obvious t