SIMS of silicon bombarded with Sb
m
+
cluster ions |
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Authors: | S N Morozov U Kh Rasulev |
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Institution: | 1. Institute of Ion-Plasma and Laser Technologies, Uzbekistan Academy of Sciences, Tashkent, 100125, Uzbekistan
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Abstract: | The emission of Si n + (n = 1–11) cluster ions and Si n X m + (X stands for B or Sb) polyatomic ions when bombarding a single silicon crystal with Sb m + (m = 1–4) cluster ions with energies E 0 = 3–12 keV is studied. Considerable nonadditive enhancement of the yield of Si n + cluster ions and most polyatomic ions is observed when the number of atoms in the bombarding cluster ions is increased. The sensitivity enhancement factor for detecting boron impurities is as high as 50 when the cluster-SIMS-molecule technique is applied. |
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