A vacancy-related muon species in crystalline silicon

M. Schefzik, R. Scheuermann, L. Schimmele, A. Seeger, D. Herlach, O. Kormann, J. Major, A. Rock

Research output: Conference article

3 Citations (Scopus)

Abstract

A new muonium centre, termed Muv, with weak hyperfine interaction has been discovered recently in crystalline silicon in longitudinal field quenching μSR (LFQ) experiments (Schefzik et al., Solid State Commun. 107 (1998) 395). The signatures of this species were found in intrinsic, but not in doped samples (dopant concentration larger than 1016 cm-3). The centre is not formed promptly but results from a reaction in which normal muonium transforms into the novel species. Since from LFQ experiments one can obtain only a rough estimate of the hyperfine tensor of Muv it is now determined from zero-field (ZF) μSR experiments. The hyperfine interaction is found to be axially symmetric around the 〈110〉 crystallographic axis with small hyperfine parameters. Properly rescaled it essentially agrees with the hyperfine tensor of the hydrogen centre VH, which has been discovered recently by Bech Nielsen et al. (Phys. Rev. Lett. 79 (1997) 1507) and which has been attributed to hydrogen trapped in vacancies. Accordingly Muv is interpreted as muonium trapped in a vacancy, in agreement with the interpretation given on the basis of the earlier LFQ data.

Original languageEnglish
Pages (from-to)511-515
Number of pages5
JournalPhysica B: Condensed Matter
Volume289-290
DOIs
Publication statusPublished - jan. 1 2000
Event8th International Conference on Muon Spin Rotation, Relaxation and Resonance (muSR'99) - Les Diablerets, Switzerland
Duration: aug. 30 1999szept. 3 1999

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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  • Cite this

    Schefzik, M., Scheuermann, R., Schimmele, L., Seeger, A., Herlach, D., Kormann, O., Major, J., & Rock, A. (2000). A vacancy-related muon species in crystalline silicon. Physica B: Condensed Matter, 289-290, 511-515. https://doi.org/10.1016/S0921-4526(00)00240-4