Abstract:
Electron emission from LiF, KCl, and KI crystal surfaces during grazing collisions of swift protons is studied using a first-order distorted-wave formalism. Owing to the localized character of the electronic structure of these surfaces, we propose a model that allows us to describe the process as a sequence of atomic transitions from different target ions. Experimental results are presented for electron emission from LiF and KI and energy loss from KI surfaces. Calculations show reasonable agreement with these experimental data. The role played by the charge of the incident particle is also investigated. © 2007 The American Physical Society.
Registro:
Documento: |
Artículo
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Título: | Electron emission and energy loss in grazing collisions of protons with insulator surfaces |
Autor: | Gravielle, M.S.; Aldazabal, I.; Arnau, A.; Ponce, V.H.; Miraglia, J.E.; Aumayr, F.; Lederer, S.; Winter, H. |
Filiación: | Instituto de Astronomía y Física del Espacio, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Buenos Aires, Argentina Departamento de Física de Materiales, Facultad de Química, UPV/EHU, San Sebastian, Spain CentroMixto CSIC-UPV/EHU, San Sebastian, Spain Centro Atómico Bariloche, San Carlos de Bariloche, Argentina Donostia International Physics Center (DIPC), San Sebastian, Spain Institut für Allgemeine Physik, TU Wien, Wiedner Haupstrasse 8-10, A-1040 Wien, Austria Institut für Physik, Humboldt Universität zu Berlin, Brook-Taylor-Strasse 6, D-12489 Berlin-Adlershof, Germany
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Palabras clave: | Electric insulators; Electronic structure; Energy dissipation; Protons; Atomic transitions; Distorted wave formalism; Incident particles; Insulator surfaces; Electron emission |
Año: | 2007
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Volumen: | 76
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Número: | 1
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DOI: |
http://dx.doi.org/10.1103/PhysRevA.76.012904 |
Título revista: | Physical Review A - Atomic, Molecular, and Optical Physics
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Título revista abreviado: | Phys Rev A
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ISSN: | 10502947
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CODEN: | PLRAA
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10502947_v76_n1_p_Gravielle |
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Citas:
---------- APA ----------
Gravielle, M.S., Aldazabal, I., Arnau, A., Ponce, V.H., Miraglia, J.E., Aumayr, F., Lederer, S.,..., Winter, H.
(2007)
. Electron emission and energy loss in grazing collisions of protons with insulator surfaces. Physical Review A - Atomic, Molecular, and Optical Physics, 76(1).
http://dx.doi.org/10.1103/PhysRevA.76.012904---------- CHICAGO ----------
Gravielle, M.S., Aldazabal, I., Arnau, A., Ponce, V.H., Miraglia, J.E., Aumayr, F., et al.
"Electron emission and energy loss in grazing collisions of protons with insulator surfaces"
. Physical Review A - Atomic, Molecular, and Optical Physics 76, no. 1
(2007).
http://dx.doi.org/10.1103/PhysRevA.76.012904---------- MLA ----------
Gravielle, M.S., Aldazabal, I., Arnau, A., Ponce, V.H., Miraglia, J.E., Aumayr, F., et al.
"Electron emission and energy loss in grazing collisions of protons with insulator surfaces"
. Physical Review A - Atomic, Molecular, and Optical Physics, vol. 76, no. 1, 2007.
http://dx.doi.org/10.1103/PhysRevA.76.012904---------- VANCOUVER ----------
Gravielle, M.S., Aldazabal, I., Arnau, A., Ponce, V.H., Miraglia, J.E., Aumayr, F., et al. Electron emission and energy loss in grazing collisions of protons with insulator surfaces. Phys Rev A. 2007;76(1).
http://dx.doi.org/10.1103/PhysRevA.76.012904