Diffraction of electrons at intermediate energies: The role of phonons
- Centro Atomico Bariloche e Instituto Balseiro, Comision Nacional de Energia Atomica, 8400-Bariloche (Argentina)
The intensity of electrons reflected {open_quote}{open_quote}elastically{close_quote}{close_quote} from crystalline surfaces presents two regimes: the low-energy or LEED regime ({lt}500 eV), in which the electrons are reflected along the Bragg directions, and the intermediate-energy or XPD/AED regime ({gt}500 eV), in which the maxima of intensity are along the main crystallographic axes. We present a model which explains this transition in terms of the excitation/absorption of phonons during the scattering. {copyright} {ital 1996 American Institute of Physics.}
- OSTI ID:
- 451077
- Report Number(s):
- CONF-9409431-; ISSN 0094-243X; TRN: 97:005609
- Journal Information:
- AIP Conference Proceedings, Vol. 378, Issue 1; Conference: Surfaces, vacuum and their applications, Cancun (Mexico), 19-23 Sep 1994; Other Information: PBD: Jul 1996
- Country of Publication:
- United States
- Language:
- English
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