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EnglishWe have studied the evolution of the GaP(110)/Cu interface as prepared at room-temperature (RT) versus low-temperature (LT100 K) conditions. Electron-excited P L2,3VV and Cu M1VV Auger line shapes and x-ray-excited (h=1253.6 eV) Ga 2p3/2, Ga 3d, P 2p, Cu 2p3/2, and Cu 3p core-level emissions were followed as a function of the Cu coverage (2 up to 80). Regardless of the substrate temperature, substrate disruption is observed at 1 monolayer Cu, with P atoms participating in chemical bonds with deposited Cu. In parallel, the topmost Ga atoms are dislodged from their pristine locations and segregate in a metalliclike environment. These processes persist in the intermediate-coverage range (212 Cu) at both temperatures, being only relatively attenuated at LT. At very high Cu thicknesses, strong chemical intermixing and out-diffusion of substrate-derived species are still observed at RT, while these processes are nearly completely inhibited at LT. © 1990 The American Physical Society.
Sancrotti, M., Ciccacci, F., Fanfoni, M., & Chiaradia, P. (1990). Kinetics study of the GaP(110)/Cu interface via P L2,3VV Auger line shape and x-ray-photoemission spectroscopies. PHYSICAL REVIEW. B, CONDENSED MATTER, 42(6), 3745-3748.
| Tipologia: | Articolo su rivista |
| Citazione: | Sancrotti, M., Ciccacci, F., Fanfoni, M., & Chiaradia, P. (1990). Kinetics study of the GaP(110)/Cu interface via P L2,3VV Auger line shape and x-ray-photoemission spectroscopies. PHYSICAL REVIEW. B, CONDENSED MATTER, 42(6), 3745-3748. |
| Lingua: | English |
| Settore Scientifico Disciplinare: | Settore FIS/03 - Fisica della Materia |
| Revisione (peer review): | Sì, ma tipo non specificato |
| Tipo: | Articolo |
| Rilevanza: | Rilevanza internazionale |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1103/PhysRevB.42.3745 |
| Stato di pubblicazione: | Pubblicato |
| Data di pubblicazione: | 1990 |
| Titolo: | Kinetics study of the GaP(110)/Cu interface via P L2,3VV Auger line shape and x-ray-photoemission spectroscopies |
| Autori: | |
| Autori: | Sancrotti, M; Ciccacci, F; Fanfoni, M; Chiaradia, P |
| Appare nelle tipologie: | 01 - Articolo su rivista |
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