Theory of positrons at surfaces
- 29 February 1980
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 13 (6), 1159-1174
- https://doi.org/10.1088/0022-3719/13/6/024
Abstract
Recent experiments (Mills, 1978-79) on the emission of positrons from surfaces are shown to imply that positrons are trapped in a surface state prior to emission. A formal discussion of this surface state is followed by a model for emission of e+ and Ps from the surface which is compatible with the experimental data, including the temperature dependence. Some further experimental tests of the model are suggested.Keywords
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