Structure of negatively charged muonium in {ital n}-type GaAs
Journal Article
·
· Physical Review, B: Condensed Matter
- TRIUMF and the Department of Physics, University of British Columbia, Vancouver, British Columbia, V6T 2A3 (Canada)
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)
- Department of Physics, Rice University, Houston, Texas 77251-1892 (United States)
- Department of Physics, Texas Tech University, Lubbock, Texas 79409-1051 (United States)
- Rutherford Appleton Laboratory, Chilton, Oxon OX11 0QX (United Kingdom)
- Laboratoire de Physique et Applications des Semiconducteurs (UPR No. 292 du CNRS), Boite Postale 20, 67037 Strasbourg (France)
- Department of Physics and Astronomy, University of Leicester, Leicester LEI 7RH (United Kingdom)
- California Polytechnic State University, San Luis Obispo, California 93407 (United States)
Muon level-crossing resonance and muon-spin-rotation measurements on heavily doped {ital n}-type GaAs:Si and GaAs:Te show that the majority of positive muons implanted at room temperature form an isolated diamagnetic muonium center located at a high-symmetry site with Ga neighbors along the {l_angle}111{r_angle} direction(s). These experiments, together with theoretical considerations, imply that negatively charged muonium is at or near the tetrahedral interstitial site with four Ga nearest-neighbor atoms. Except for zero-point energy differences, these results should model negatively charged isolated hydrogen in GaAs.
- OSTI ID:
- 69492
- Journal Information:
- Physical Review, B: Condensed Matter, Vol. 51, Issue 20; Other Information: PBD: 15 May 1995
- Country of Publication:
- United States
- Language:
- English
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