Isotopic tracing with 18O and ion beam analysis

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SR_1994-28-pdf
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Vickridge, I.C.; Trompetter, W.J. 1994 Isotopic tracing with 18O and ion beam analysis. Lower Hutt: Institute of Geological & Nuclear Sciences. Institute of Geological & Nuclear Sciences science report 94/28.9 p.

Abstract: The KN 3MV single ended Van de Graaff accelerator at the Institute of Geological and Nuclear Sciences is an ideal tool for measuring oxygen concentration depth profiles in the outer few microns of solids via Ion Beam Analysis (IBA). Isotopic specificity is a fundamental property of the nuclear reactions used in IBA, and when combined with use of oxygen deliberately enriched in one of the rare stable oxygen isotopes this provides a special tool for understanding the atomic transport processes when oxygen is introduced intentionally (passivation) or unintentionally (corrosion) into solids. This report presents the main reactions that are used for depth profiling 18O - the cheaper of the two rare isotopes. (auth)