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Core-level photoemission studies of MBE-grown semiconductor surfaces

✍ Scribed by R. Ludeke; T.-C. Chiang; D.E. Eastman


Publisher
Elsevier Science
Year
1983
Weight
243 KB
Volume
117-118
Category
Article
ISSN
0378-4363

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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