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  _  __    _____     _____     ______   _    _   
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 | ' //   | ||__   / //---`'   -| ||-  | |/\| || 
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 `-` --`  `-----`    `----`   `-----`  `-`   `-`

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Text this: Secondary ion emission from silicon under 8 keV O2 + and Ar+ ion bombardment