Impact-parameter-dependent electronic stopping of swift ions
نویسندگان
چکیده
منابع مشابه
Electronic Stopping of Heavy Ions in Solids
One of the most fruitful theories in the field of the electronic energy loss of heavy ions in solids is the concept of effective charge theory. The familiar results have hitherto been based on the restricted target model of the homogeneous electron gas. The major part of the target characterization is added in form of experimental proton data, using the ‘heavy ion scaling rule.’ On the other ha...
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Energy loss measurements were made for 12.5-130 keV per nucleon H+ and H: on carbon and aluminium foils. For incident H i , both H + and H i are transmitted; the energy per nucleon of the latter being lower than that of transmitted H + , at low energies. The theory shows this is due to interference effects in the binary excitation of target electrons by the spatially correlated protons and sugg...
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The familiar results of eeective charge theory of the electronic stopping of heavy ions in solids have hitherto been based on the target model of a homogeneous electron gas. Thèheavy ion scaling rule' and experimental proton data were used to incorporate the major information on the polarization of real target materials. Introducing Kaneko's generalized target dielectric functions provides a de...
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In recent experiments the irradiation of insulators of perovskite type with swift heavy ions under glancing incidence has been shown to provide a unique means to generate periodically arranged nanodots at the surface. The physical origin of these patterns has been suggested to stem from a highly anisotropic electron density distribution within the bulk. In order to show the relevance of the ele...
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We consider a class of optimal stopping problems for a regular one-dimensional diffusion whose payoff depends on a linear parameter. As shown in [Bank and Föllmer(2003)] problems of this type may allow for a universal stopping signal that characterizes optimal stopping times for any given parameter via a level-crossing principle of some auxiliary process. For regular one-dimensional diffusions,...
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ژورنال
عنوان ژورنال: The European Physical Journal D
سال: 2009
ISSN: 1434-6060,1434-6079
DOI: 10.1140/epjd/e2009-00255-9