Electronic and structural properties of the Cu - Bi2CaSr2Cu2O8 interface
Författare
Summary, in English
The formation of the Cu-Bi2CaSr2Cu2O8 interface has been studied by photoelectron spectroscopy using synchrotron radiation. Photon energies in the range 20-1000 eV were utilized in order to probe both the valence band and to monitor chemical changes upon Cu deposition, as revealed by the core-level shifts. A strong chemical reaction between Bi2CaSr2Cu2O8 and Cu is manifested by the formation of metallic Bi. From theb density variations as a function of electron emission angle it is shown that the metallic Bi segregates to the top surface layer.
Avdelning/ar
Publiceringsår
1991
Språk
Engelska
Sidor
120-123
Publikation/Tidskrift/Serie
Physica C: Superconductivity and its Applications
Volym
180
Issue
1-4
Dokumenttyp
Artikel i tidskrift
Förlag
Elsevier
Status
Published
ISBN/ISSN/Övrigt
- ISSN: 0921-4534