Splitting of electron paramagnetic resonance lines of lithiumoxygen centers in isotopically enriched 28Si single crystals

M. R. Rahman, M. P. Valasenko, L. S. Vlasenko, E. E. Haller, K. M. Itoh

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Abstract

A significant narrowing of the electron paramagnetic resonance (EPR) and additional hyperfine structures of lithiumoxygen (LiO) centers was observed in isotopically enriched 28Si single crystals. Unexpected splitting was found, reflecting the principal axis of the formally assigned trigonal g-tensors being tilted 3° from the 〈111〉 crystal axis, i.e., the g-tensor of the LiO center actually has a monoclinic symmetry. Furthermore the splitting of the 7Li hyperfine lines into four components was observed at a temperature of 3.5 K.

Original languageEnglish
Pages (from-to)2275-2277
Number of pages3
JournalSolid State Communications
Volume150
Issue number45-46
DOIs
Publication statusPublished - 2010 Dec 1

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Keywords

  • A. Semiconductors
  • C. Impurity in semiconductor
  • E. Electron paramagnetic resonance

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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