Phys. Rev. B 5, 1433 (1972) - Evidence for the Negative Work Function Associated with Positrons in Gold

Evidence for the Negative Work Function Associated with Positrons in Gold

D. G. Costello, D. E. Groce, D. F. Herring, and J. Wm. McGowan

Phys. Rev. B 5, 1433 – Published 15 February 1972

Abstract

Positrons which have been thermalized in various moderators and coated with ∼ 200-Å gold leave the gold surface with an energy which peaks between 0.75 and 2.90 eV. This energy is thought to be associated with a positron or "negative" work function of gold.

Received 3 May 1971

DOI:https://doi.org/10.1103/PhysRevB.5.1433

©1972 American Physical Society

Authors & Affiliations

Gulf Energy and Environment Incorporated, P. O. Box 608, San Diego, California 92112

JRB Associates Incorporated, La Jolla, California 92037

Enviro-Med Incorporated, La Jolla, California 92037

J. Wm. McGowan^*

Physics Department, University of Western Ontario, London, Ontario, Canada

^*All enquiries or correspondence to be addressed to the above.

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Vol. 5, Iss. 4 — 15 February 1972

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