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Energy gain of highly charged ions in front of LiF

By L. Haegg, C. O. Reinhold and J. Burgdoerfer

Abstract

We present estimates of the energy gain of highly charged ions approaching a LiF surface, based on a modified classical-over-barrier model for insulators. The analysis includes the energy gain by image acceleration as well as the deceleration due to charge-up of the surface in a staircase sequence. The role of the frequency-dependent dielectric response of LiF is emphasized. The resulting velocity dependent total energy gain is studied in detail and the results are compared with experimental data

Topics: Acceleration, Dielectric Materials, Multicharged Ions, Surface Energy, Ionic Crystals, 36 Materials Science, Energy, Bessel Functions, Mathematical Models, Response Functions, Monte Carlo Method, Dielectric Track Detectors, 66 Physics, Lithium Fluorides, 44 Instrumentation, Including Nuclear And Particle Detectors
Publisher: Oak Ridge National Laboratory
Year: 1996
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Provided by: UNT Digital Library
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