Shallow donor state of hydrogen in In2O3 and SnO2: implications for conductivity in transparent conducting oxides
- King, P. D. C.
- Lichti, R. L.
- Celebi, Y. G.
- Gil, J. M.
- Vilao, R. C.
- Alberto, H. V.
- Duarte, J. Piroto
- Payne, D. J.
- Egdell, R. G.
- McKenzie, I.
- McConville, C. F. (Chris F.)
- Cox, S. F. J.
- Veal, T. D. (Tim D.)
Publication date
August 2009
DOI Publisher
American Physical Society (APS) ISSN
1098-0121Abstract
Muonium, and by analogy hydrogen, is shown to form a shallow-donor state in In2O3 and SnO2. The paramagnetic charge state is stable below similar to 50 K in In2O3 and similar to 30 K in SnO2 which, coupled with its extremely small effective hyperfine splitting in both cases, allows its identification as the shallow-donor state. This has important implications for the controversial issue of the origins of conductivity in transparent conducting oxides
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