Shallow donor state of hydrogen in In2O3 and SnO2: Implications for conductivity in transparent conducting oxides

Date
2009
Author
Payne, D. J.
Celebi, Yaşar Gürkan
McConville, C. F.
McKenzie, I.
Egdell, R. G.
Veal, T. D.
King, P. D. C.
Lichti, R. L.
Gil, J. M.
Vilao, R. C.
Alberto, H. V.
Duarte, J. Piroto
Cox, S. F. J.
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Abstract
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.
URI
http://hdl.handle.net/20.500.12627/107309
https://doi.org/10.1103/physrevb.80.081201
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