Abstract
The design and use of a Bragg curve spectroscopy (BCS) detector for depth profiling of elements in materials using the elastic recoil detection analysis (ERDA) technique is discussed. The detector when used to identify recoils from samples in an ERDA experiment using a 170 MeV Ag beam showed a clear separation between Fe ( Z = 26) and Cu ( Z = 29) recoils. Measurements near Z = 11 yielded ΔZ Z of 1 34 showing a Bragg peak resolution of 2.9%. For typical applications, the detector can be effectively used for neighbouring charge identification up to Z ∼ 30.
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