About Nuclear Resonant Reaction Analysis for Hydrogen Investigations in Amorphous Silicon

Gerke, Sebastian; Becker, Hans–Werner; Rogalla, Detlef; Hahn, Giso; Job, Reinhart; Terheiden, Barbara

About Nuclear Resonant Reaction Analysis for Hydrogen Investigations in Amorphous Silicon

Files

Gerke_0-327955.pdf(575.64 KB)

Date

2015

Authors

Gerke, Sebastian

Becker, Hans–Werner

Rogalla, Detlef

Hahn, Giso

Job, Reinhart

Terheiden, Barbara

Publication type

Journal article

Publication status

Published

Published in

Energy Procedia ; 84 (2015). - pp. 99-104. - eISSN 1876-6102

Abstract

Nuclear Resonant Reaction Analysis (NRRA) is a common method detecting the nearsurface hydrogen distribution of a sample in a depth of up to a few microns. The mass density and related stopping power of a hydrogenated amorphous silicon (a-Si:H) layer depends on the hydrogen content. Correct hydrogen depth profiles are calculated considering the effective ion beam stopping crosssection as well as the related stopping power of the investigated film. The consideration of the local hydrogen concentration is important to avoid misinterpretations of the hydrogen distribution regarding profile depth. Therefore, stopping powers have to be considered carefully when interpreting hydrogen depth profiles especially of films that exhibit variations in hydrogen concentration. Moreover, further investigations like morphology dependent changes of the effective stoppingcross section are not possible without correctly calculated hydrogen depth profiles. Here the correct way is presented how to consider the embedded hydrogen of an a-Si:H layer when calculating absolute depth information of a NRRA measured hydrogen depth profile.

Subject (DDC)

530 Physics

Cite This

ISO 690

GERKE, Sebastian, Hans–Werner BECKER, Detlef ROGALLA, Giso HAHN, Reinhart JOB, Barbara TERHEIDEN, 2015. About Nuclear Resonant Reaction Analysis for Hydrogen Investigations in Amorphous Silicon. In: Energy Procedia. 84, pp. 99-104. eISSN 1876-6102. Available under: doi: 10.1016/j.egypro.2015.12.301

BibTex

@article{Gerke2015-12About-33778,
  year={2015},
  doi={10.1016/j.egypro.2015.12.301},
  title={About Nuclear Resonant Reaction Analysis for Hydrogen Investigations in Amorphous Silicon},
  volume={84},
  journal={Energy Procedia},
  pages={99--104},
  author={Gerke, Sebastian and Becker, Hans–Werner and Rogalla, Detlef and Hahn, Giso and Job, Reinhart and Terheiden, Barbara}
}

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