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1. Structure and transport properties in YBa2-xEuxCu3O7-δ superconductors.

Author

Qian, B., Xing, J. H., Wu, X. S., Jiang, Z. S., and Tang, S. L.

Subjects
*SUPERCONDUCTIVITY, *ANISOTROPY, *PHOTOEMISSION, *SPECTRUM analysis, *RARE earth metals, *MICROSTRUCTURE, *POLYCRYSTALS, *MAGNETORESISTANCE
Abstract

Structure and transport properties of Eu-doped YBa2-xEuxCu3O7-δ (YBECO) have been studied. Eu is confirmed preferring to replace Ba at Ba sites. The averaged valence state of Eu, which is examined by x-ray photoemission spectroscopy, increases with increasing x. Eu doping in YBECO has a little influence on superconductivity in our studies, and the superconducting transition temperature Tc is almost unchanged. [ABSTRACT FROM AUTHOR]

Published
2007
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