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Effect of image potential and charge exchange on the trajectory of fast protons in surface scattering
Abstract
Fast hydrogen atoms with an energy of 25 keV are scattered off a clean and atomically flat W(100) surface under grazing angles of incidence. Switching of an electric field directed normal to the scattering plane allows the separation of angular distributions of scattered projectiles leaving the surface as neutral hydrogen atoms and as protons, respectively. We observe a shift for protons towards smaller angles of scattering in direct comparison with neutral atoms. Our experiments give evidence for an effect of image potential and charge exchange on the trajectory of scattered projectiles. The analysis of data allows one to deduce information on charge exchange in atom-surface interactions.
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Cites
A new LEED instrument for quantitative spot profile analysis
Scheithauer, U., Meyer, G., & Henzler, M. (1986) · Surface Science · doi:10.1016/0039-6028(86)90321-3 · Cited by 299
Cited by
Relativistic separable dual-space Gaussian pseudopotentials from H to Rn
Hartwigsen, C., Goedecker, S., & Hutter, J. (1998) · Physical Review B · doi:10.1103/physrevb.58.3641 · Cited by 4,449
Ultrafast Spin Dynamics in Ferromagnetic Nickel
Beaurepaire, E., Merle, J.-C., Daunois, A., & Bigot, J.-Y. (1996) · Physical Review Letters · doi:10.1103/physrevlett.76.4250 · Cited by 2,457
Effect of a nonzero temperature on quantum critical points in itinerant fermion systems
Millis, A. J. (1993) · Physical Review B · doi:10.1103/physrevb.48.7183 · Cited by 1,733
Ultrafast dynamics of nonequilibrium electrons in metals under femtosecond laser irradiation
Rethfeld, B., Kaiser, A., Vicanek, M., & Simon, G. (2002) · Physical Review B · doi:10.1103/physrevb.65.214303 · Cited by 462
Nonequilibrium Magnetization Dynamics of Nickel
Hohlfeld, J., Matthias, E., Knorren, R., & Bennemann, K. H. (1997) · Physical Review Letters · doi:10.1103/physrevlett.78.4861 · Cited by 383
Metadata
- Authors
- Winter, H.
- Venue
- Physical Review A
- Publisher
- American Physical Society (APS)
- Published
- 1992-07-01
- Volume
- 46
- Issue
- 1
- Pages
- R13-R16
- ISSN
- 0556-2791 (ISSN-L)
- 1050-2947
- 1094-1622
- OpenAlex
- W2054201593
- Cited by
- 388
- References
- 1
- FWCI
- 37.84
- Type
- journal article
- Language
- en
- Open access
- closed
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- Winter, H. (1992). Effect of image potential and charge exchange on the trajectory of fast protons in surface scattering. Physical Review A. https://doi.org/10.1103/physreva.46.r13
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
