Concentration-depth calibration and bomb
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Wittmaack, K.
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Article
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1998
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John Wiley and Sons
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English
β 429 KB
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Secondary ion yields are known to be strongly enhanced by the presence of oxygen in the analysed sample. The magnitude of the yield enhancement is often signiΓcantly di β erent for impurity and matrix ion species. This kind of SIMS matrix e β ect severely aggravates concentration calibration in depth