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Abstract

For depth profiling of hydrogen isotopes by elastic recoil detection analysis (ERDA) with 2.6 MeV (4)He ions a special DeltaE-E telescope type detector system was tested. It allows the separation of hydrogen and deuterium recoils as well as backscattered helium particles. For particle identification from the energy loss DeltaE a thin 3.7 µm silicon transmission detector was used while the residual energy was measured with a standard 100 µm PIPS silicon surface barrier detector. The depth profiles of deuterium and hydrogen were measured at plasma deposited a-C : H : D layers as well as at samples exposed to plasma discharges in the tokamak experiment ASDEX-Upgrade.

Additional information

Authors: WIELUNSKY M, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);MAYER M, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);BEHRISCH R, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);ROTH J, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);SCHERZER B M U, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE)
Bibliographic Reference: Article: Nuclear Instruments and Methods in Physics Research B, Vol. 122 (1997) pp. 113-120
Record Number: 199710491 / Last updated on: 1997-05-09
Category: PUBLICATION
Original language: en
Available languages: en