Kulkarni, Pramada ; Mahamuni, S. ; Kulkarni, S. K. ; Nigavekar, Arun S. (1990) Photoelectron spectroscopic studies of the interface reactions between lead and the high-Tc Bi2Sr2CaCu2O8 superconductor Physica C: Superconductivity and its Applications, 168 (1-2). pp. 104-108. ISSN 0921-4534
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/092145...
Related URL: http://dx.doi.org/10.1016/0921-4534(90)90110-Z
Abstract
Interface characteristics between Pb and the Bi2Sr2CaCu2O8 oxide superconductor were studied by X-ray photoelectron spectroscopy (XPS) and ultraviolet photoelectron spectroscopy (UPS). The core level results show the partial conversion of CU2+ to the Cu1+ state. Pb adatoms extract oxygen from the substrate, by disturbing Bi-O, Sr-O and Cu-O bonds and form an orthorhombic oxide. The interfacial reaction is compared within 40 Å thickness.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 17939 |
| Deposited On: | 17 Nov 2010 13:29 |
| Last Modified: | 04 Jun 2011 09:07 |
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