Transport model for hot positrons in layered structures

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© 1989 American Physical Society (APS). This is the accepted version of the following article: Huttunen, P. A. & Vehanen, A. & Nieminen, Risto M. 1989. Transport model for hot positrons in layered structures. Physical Review B. Volume 40, Issue 17. 11923-11926. ISSN 1550-235X (electronic). DOI: 10.1103/physrevb.40.11923, which has been published in final form at http://journals.aps.org/prb/abstract/10.1103/PhysRevB.40.11923.

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Journal Title

Journal ISSN

Volume Title

School of Science | A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

Date

1989

Major/Subject

Mcode

Degree programme

Language

en

Pages

11923-11926

Series

Physical Review B, Volume 40, Issue 17

Abstract

The transport of hyperthermal, monoenergetic (≤10-eV) positrons injected in metal bilayer structures is investigated. The transport is modeled using the Boltzmann equation and the two-flux approximation. Analyzing reported experimental data in terms of the developed model enables us to separate the different scattering channels and to estimate the mean free paths for these events. Our study is the first quantitative treatment of hot positrons, and the extracted transport parameters agree with theoretical predictions.

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Keywords

positrons, metal bilayer structures

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Citation

Huttunen, P. A. & Vehanen, A. & Nieminen, Risto M. 1989. Transport model for hot positrons in layered structures. Physical Review B. Volume 40, Issue 17. 11923-11926. ISSN 1550-235X (electronic). DOI: 10.1103/physrevb.40.11923.