Anomalous stopping power effects in thin gold films
作者： Ian Reid , P.J. Scanlon
DOI: 10.1016/0029-554X(80)91014-9
关键词: Ion 、 Gold film 、 Physics 、 Energy spectrum 、 Incident beam 、 Atomic physics 、 Stopping power 、 Resolution (electron density)
摘要: Abstract A spherical electrostatic analyser, with an energy resolution (δE/E) less than 0.05% has been used to obtain the spectrum of 140–1000 keV/amu H and 32–500 He ions transmitted through gold films 40–160 μ g/cm2 thick. The shows a two peak structure which appears be result thin thick regions in target, being dominant fraction. stopping power region decrease target thickness between 40 100 μg/cm2, as much 20% for 32 He. If incident beam is high, 300–500 ions, or if greater 100–110 effect not observed.
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