Crossref journal-article
AIP Publishing
Journal of Applied Physics (317)
Abstract

Gallium arsenide single-crystal layers, doped with 119Sn-enriched tin, have been prepared by liquid-phase epitaxy and characterized by 119Sn Mössbauer spectroscopy (MS) and Hall measurements. Two Sn sites are observed by MS, and the population of one of these (site A) matches the carrier concentration in as-grown material, therefore allowing the MS parameters of this site to be positively identified as those of the SnGa donor in GaAs, and thereby showing no evidence for compensation. The population of the second type of Sn (site B) increases with the total Sn concentration, and this site is clearly electrically inactive. The site B MS parameters are similar to those of Sn3As2, SnAs, and β-Sn, thereby demonstrating that microprecipitates of these phases may often exist in heavily Sn-doped liquid-phase-epitaxial GaAs. Site B could also be due to clusters of Sn and/or Sn-As that are precursors to the formation of distinct precipitates of Sn3As, SnAs, or β-Sn. Annealing experiments yield a Sn-related acceptor that is very likely of the form SnGaVGa. In addition, precise MS parameters are reported for the intermetallic phases SnAs and Sn3As2.

Bibliography

Williamson, D. L. (1986). Mössbauer spectroscopy of Sn-doped GaAs grown by liquid-phase epitaxy. Journal of Applied Physics, 60(10), 3466–3472.

Authors 1
  1. D. L. Williamson (first)
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Dates
Type When
Created 23 years, 1 month ago (July 26, 2002, 8:53 a.m.)
Deposited 1 year, 7 months ago (Feb. 4, 2024, 12:34 a.m.)
Indexed 1 year, 7 months ago (Feb. 4, 2024, 6:18 a.m.)
Issued 38 years, 9 months ago (Nov. 15, 1986)
Published 38 years, 9 months ago (Nov. 15, 1986)
Published Print 38 years, 9 months ago (Nov. 15, 1986)
Funders 0

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@article{Williamson_1986, title={Mössbauer spectroscopy of Sn-doped GaAs grown by liquid-phase epitaxy}, volume={60}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.337595}, DOI={10.1063/1.337595}, number={10}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Williamson, D. L.}, year={1986}, month=nov, pages={3466–3472} }