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Muonium dynamics in Si at high temperatures

K. H. Chow, R. F. Kiefl, J. W. Schneider, B. Hitti, T. L. Estle, R. L. Lichti, C. Schwab, R. C. DuVarney, S. R. Kreitzman, W. A. MacFarlane, and M. Senba
Phys. Rev. B 47, 16004(R) – Published 15 June 1993
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Abstract

We report longitudinal muon-spin-relaxation measurements in intrinsic Si from 350 to 850 K. The data are explained by a two-state model describing alternating charge states of muonium resulting from thermally excited electrons. Within this model, the average muon-electron hyperfine parameter in the neutral state is consistent with muonium at the tetrahedral interstitial site. This indicates that at the highest temperatures measured neutral muonium spends significant time away from the bond center site, the calculated adiabatic potential minimum.

  • Received 21 January 1993

DOI:https://doi.org/10.1103/PhysRevB.47.16004

©1993 American Physical Society

Authors & Affiliations

K. H. Chow, R. F. Kiefl, and J. W. Schneider

  • TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, Canada V6T 2A3

B. Hitti and T. L. Estle

  • Department of Physics, Rice University, Houston, Texas 77251-1892

R. L. Lichti

  • Department of Physics, Texas Tech University, Lubbock, Texas 79409-1051

C. Schwab

  • Centre de Recherches Nucléaires, F-67037 Strasbourg CEDEX, France

R. C. DuVarney

  • Department of Physics, Emory University, Atlanta, Georgia 30322

S. R. Kreitzman, W. A. MacFarlane, and M. Senba

  • TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, Canada V6T 2A3

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Vol. 47, Iss. 23 — 15 June 1993

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