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EnglishMetalorganic vapor phase epitaxy grown InP samples capped with a protective As/P double layer were used to study clean (001) surfaces in ultrahigh vacuum. By the thermal desorption of As and P cap layers, InP surfaces producing sharp 2x4 low energy electron diffraction (LEED) patterns were prepared. The reconstructed surface and intermediate preparation stages were studied by using reflectance anisotropy spectroscopy (RAS), LEED, and Auger electron spectroscopy. Features in the optical anisotropy related to the contribution of P-P and In-In surface bonds are identified and discussed. The results show that the surface-related optical anisotropy of the 2x4 In-rich reconstruction of InP(001) is due to In-In bonds along the [110] direction that produce a large optical anisotropy below 2 eV. Furthermore, at intermediate annealing stages, information by RAS on a P-rich 1x1 reconstructed phase was obtained. The contribution of P dimers to surface reflectance anisotropy above 3 eV is discussed. (C) 1997 American Institute of Physics.
Goletti, C., Esser, N., Resch-Esser, U., Wagner, V., Foeller, J., Pristovsek, M., et al. (1997). Optical anisotropies of InP(001) surfaces. JOURNAL OF APPLIED PHYSICS, 81(8), 3611-3615.
| Tipologia: | Articolo su rivista |
| Citazione: | Goletti, C., Esser, N., Resch-Esser, U., Wagner, V., Foeller, J., Pristovsek, M., et al. (1997). Optical anisotropies of InP(001) surfaces. JOURNAL OF APPLIED PHYSICS, 81(8), 3611-3615. |
| IF: | Con Impact Factor ISI |
| 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/10.1063/1.365478 |
| Stato di pubblicazione: | Pubblicato |
| Data di pubblicazione: | 1997 |
| Titolo: | Optical anisotropies of InP(001) surfaces |
| Autori: | |
| Autori: | Goletti, C; Esser, N; Resch-Esser, U; Wagner, V; Foeller, J; Pristovsek, M; Richter, W |
| Appare nelle tipologie: | 01 - Articolo su rivista |
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