Rajumon, M. K. ; Sarma, D. D. ; Vijayaraghavan, R. ; Rao, C. N. R. (1989) A core-level photoemission spectroscopic study of the electron-doped superconductor, Nd2−xCexCuO4−δ Solid State Communications, 70 (9). pp. 875-877. ISSN 0038-1098
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/003810...
Related URL: http://dx.doi.org/10.1016/0038-1098(89)90286-X
Abstract
A photoemission study of superconducting Nd1.85Ce0.15CuO4−δ shows that Ce in the cuprate is essentially in the 4+ state. While the electron donated by Ce does not appear to affect the Cu 3d band, we still find evidence for the presence of considerable Cu1+- related configurations due to covalency effects. A role for oxygen holes and Cu1+ species is indicated just as in other cuprate superconductors.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 41884 |
| Deposited On: | 31 May 2011 12:29 |
| Last Modified: | 31 May 2011 12:29 |
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