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IMPURITY TRAPPING EFFECTS IN THE LOCALIZATION OF MUONS IN SOLIDS

BROWNE, AM; STONEHAM, AM; (1982) IMPURITY TRAPPING EFFECTS IN THE LOCALIZATION OF MUONS IN SOLIDS. J PHYS C SOLID STATE , 15 (12) 2709 - 2720. 10.1088/0022-3719/15/12/018. Green open access

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Abstract

Muon spin rotation ( mu SR) experiments are now regularly used to study solids and solid-state processes. The interpretation of mu SR data is usually based on a 'standard' picture in which the muons localise randomly in the solid, and then diffuse, possibly encountering impurities. There remain some important cases where no satisfactory interpretation results. For some of these anomalous systems the authors propose an alternative picture in which the two different factors are the importance of metastable (free muon) excited states, and the role of impurities in causing localisation. They show this allows a possible explanation of results for Al:Mn and demonstrate that elastic strain fields of defects may be a major factor in influencing localisation. They also propose a new mechanism for delayed self-trapping.

Type: Article
Title: IMPURITY TRAPPING EFFECTS IN THE LOCALIZATION OF MUONS IN SOLIDS
Open access status: An open access version is available from UCL Discovery
DOI: 10.1088/0022-3719/15/12/018
Publisher version: http://dx.doi.org/10.1088/0022-3719/15/12/018
Language: English
Additional information: Text made available to UCL Discovery by kind permission of IOP Publishing, 2012
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/59684
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