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  ______     ___     __   __    _____    _    _   
 /_   _//   / _ \\   \ \\/ //  |  ___|| | || | || 
   | ||    | / \ ||   \   //   | ||__   | || | || 
  _| ||    | \_/ ||   / . \\   | ||__   | \\_/ || 
 /__//      \___//   /_//\_\\  |_____||  \____//  
 `--`       `---`    `-`  --`  `-----`    `---`

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