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Publikováno v:
Surface Science. 375:141-149
The previously reported dependence of the dissociative sticking probability of oxygen on the Ag(110) surface has been modeled as a random walk between selective adsorption and desorption sites on the surface. Chemisorbed oxygen molecules are allowed
Autor:
Joost W. M. Frenken, J.B. Sanders
Publikováno v:
Surface Science. 275:142-155
The low-temperature displacement statistics of individual steps in a vicinal surface is derived within the framework of a simple model for vicinal surfaces due to Villain et al. [J. Phys. F 15 (1985) 809]. The results are relevant for the determinati
Autor:
Nico M. Temme, J.B. Sanders
A random walk problem with particles on discrete double infinite linear grids is discussed. The model is based on the work of Montroll and others. A probability connected with the problem is given in the form of integrals containing modified Bessel f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c7d17a5a05a2e0458ab7dcb838eecd9d
http://arxiv.org/abs/math/0610197
http://arxiv.org/abs/math/0610197
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. :616-621
460 keV Xe2+ ion bombardment at a dose of 7 × 1015 at. cm 2 has been applied to 25 A thin W markers embedded in a Cu matrix. 2 MeV RBS spectra of the irradiated samples show a broadening and a shift inward of the W marker signal. The broadening can
Publikováno v:
Nuclear Tracks and Radiation Measurements (1982). 8:75-78
Track analyses of medium energy α particle trajectories recorded in nuclear emulsions led to the observation of strong ionizing events (S.I.E.). The number of the energetic S.I.E.'s increases with the primary's energy; their production is more than
Autor:
H.E. Roosendaal, J.B. Sanders
Publikováno v:
Nuclear Instruments and Methods. 132:267-271
In the conventional way of calculating the energy loss of energetic particles in solid material, the target is treated as an extremely dense gas. This implies that for every collision the impact parameter distribution is given by πp 2 . However, if
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 13:141-145
Further experimental results on strong ionizing events (SIE) distributed along medium energy α particle trajectories recorded in nuclear emulsions will be outlined, notably the influence of the detector composition on the production of SIEs as well
Autor:
J.B. Sanders, Roger Kelly
Publikováno v:
Nuclear Instruments and Methods. 132:335-343
Oxides, halides, and sulfides which are subjected to high-dose ion impact undergo surface alterations of two kinds, involving respectively the loss of a component either at the extreme outer surface or over a depth of roughly 0–100 nm. We are here