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Predictions on the Physical Properties of Amorphous Carbon-Tin Semiconducting Alloys I Structure and Optical Properties

Published online by Cambridge University Press:  25 February 2011

Prosper Mpawenayo
Prosper Mpawenayo*
Affiliation:
Politecnico di Torino, Dipartimento di Fisica, C. so Duca degli Abruzzi, 24 10129 Torino (Italy)
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Abstract

The theory developed by Coulson, Rushbrooke and Longuet-Higgins (CRLH) on the electron-charge density and the atom-bond polarisability in hetero-atom conjugated systems is used to show that n-electron charge transfer by Sn substitutional incorporation in aC:H would promote the tetrahedral structure. An agreement with Phillips stability criterion is found. The effective medium theory is then applied for predictions on the dielectric properties of narrow optical band-gap (0,6–1,5 eV) C-Sn alloys. It is suggested that the incorporation of electronegativeelements (F, Cl) would reduce the high sub-bandgap absorption.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 97: Symposium I – Novel Refractory Semiconductors , 1987 , 307
Copyright
Copyright © Materials Research Society 1987

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References

REFERENCES

1 Angus, J.C., Koidl, P. and Domitz, S., in Plasma deposited thin Films, edited by Mort, J. and Jansen, S. (CRS Press, Florida, 1986) pp 89–127 Google Scholar
2 Weissmantel, C., Bewilogua, K., Breuer, K., Dietrich, D., Ebersbach, V., Erler, H.J., Rau, B. and Reisse, G., Thin Solid Films 96, 31 (1982)Google Scholar
3 Wesner, D., Krummacher, S. Pfluger, J., Healds, B. and Smith, F.W., Phys.Rev. B 28, 2512 (1983)Google Scholar
44 Coulson, C.A. and Rushbrooke, G.S., Proc. Camb.Phil.Soc. 36, 193 (1940)Google Scholar
5 Coulson, C.A. and Longuet-Higgins, H.C. Proc.Roy.Soc.Lond. A191, 19 (1947), A192, 16 (1947)Google Scholar
6 Mpawenayo, P., Communication at the International Conference Workshop on Physics of Solar Energy Conversion Materials, Trieste (Italy) 2–20 September 1985 (unpublished), Tesi di dottorato di Ricerca Feb. 1987Google Scholar
7 Phillips, J.C., Phys.Rev. Lett. 20, 550 (1968), Rev.Phys. 42, 317 (1970)Google Scholar
8 Walter, J.P. and Cohen, M.L. Phys.Rev. 84, 1877 (1971)Google Scholar
9 Lannoo, M. and Decarpigny, J.N., Phys.Rev. B 8, 5704 (1973)Google Scholar
10 Bennett, B.I and Maradudin, A.A., Phys.Rev. B 5, 4146 (1972)Google Scholar
11 Penn, D.R., Phys.Rev. 128, 2093 (1962)Google Scholar
12 Demichelis, F., Kaniadakis, G., Mpawenayo, P., Perino, M., Tagliaferro, A. Tresso, E., Rava, P., Mea, G.Della and Vallino, M. (To be published by Thin Solid Films 1987)Google Scholar
13 Khan, A.Azim, Mathine, D., Woollam, J.A. and Cheen, Y., Phys.Rev. B 28, 7229 (1983)Google Scholar
1414 Smith, F.W., J. Apll.Phys. 55, 764 (1984)Google Scholar
15 Pollak, F.H., Cardona, M., Higginbotham, C.W., Herman, F. and Dyke, J.P. Van Phys.Rev. B 2, 352 (1970)Google Scholar
16 Mpawenayo, P. (Poster Section of Symposium E) MRS Spring meeting 1987 EP 2.6Google Scholar