Low energy positrons for near surface studies

The recent development of monoenergetic beams of positrons, with low energy and high intensity, allows positron implantation inside materials at a controlled depth. After an introduction on the processes involved in the annihilation of positrons inside materials and on the production of monoenergeti...

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Bibliographic Details
Published inVacuum Vol. 39; no. 7; pp. 627 - 631
Main Author de Lima, AP
Format Journal Article Conference Proceeding
LanguageEnglish
Published Oxford Elsevier Ltd 1989
Elsevier
Subjects
Applied sciences
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science; rheology
Exact sciences and technology
Materials science
Metals, semimetals and alloys
Metals. Metallurgy
Physics
Solid surfaces and solid-solid interfaces
Specific materials
Surface structure and topography
Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)
Vacancy
Surface properties
Positron annihilation
Crystal defect
Experimental study
Lattice defect
Interface
Thin film
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Summary:The recent development of monoenergetic beams of positrons, with low energy and high intensity, allows positron implantation inside materials at a controlled depth. After an introduction on the processes involved in the annihilation of positrons inside materials and on the production of monoenergetic beams, some examples will show the application of slow positrons for the study of vacancy type defects in the near surface region.
ISSN:0042-207X
1879-2715
DOI:10.1016/0042-207X(89)90005-5