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Cu K-edge X-ray absorption study of Fe-doped Bi2Ca1Sr2Cu2Oy superconductors

✍ Scribed by K.V.R. Rao; K.B. Garg; S.K. Agarwal; V.P.S. Awana; A.V. Narlikar


Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
453 KB
Volume
192
Category
Article
ISSN
0921-4534

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A well-characterized Eu-doped Bi2Sr2Ca~\_xEuxCu2Oy (x=0 to 1 ) system has been studied using core-level photoemission. The trivalent Eu is found to be incorporated into the lattice, causing an increase in the valence states ofBi, Sr and Ca and a decrease in the Cu valence. The observed superconducto