http://www.cnr.it/ontology/cnr/individuo/prodotto/ID201601
Optical absorption and electrical conductivity of microcrystalline silicon layers grown by SiF4-H2 plasma on glass substrates (Articolo in rivista)
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- Label
- Optical absorption and electrical conductivity of microcrystalline silicon layers grown by SiF4-H2 plasma on glass substrates (Articolo in rivista) (literal)
- Anno
- 2001-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/S0040-6090(00)01582-0 (literal)
- Alternative label
M. Ambrico1, L. Schiavulli2, T. Ligonzo2, G. Cicala1, P. Capezzuto3, G. Bruno1 (2001)
Optical absorption and electrical conductivity of microcrystalline silicon layers grown by SiF4-H2 plasma on glass substrates
in Thin solid films (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- M. Ambrico1, L. Schiavulli2, T. Ligonzo2, G. Cicala1, P. Capezzuto3, G. Bruno1 (literal)
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- 1C.N.R. ? Centro Studio per la Chimica dei Plasmi-C.N.R., Via Amendola, I-70126 Bari, Italy
2Dipartimento di Fisica and Unita' INFM, Via Amendola, I-70126 Bari, Italy
3Dipartimento di Chimica Università di Bari, Via Orabona 4, 70126 Bari, Italy (literal)
- Titolo
- Optical absorption and electrical conductivity of microcrystalline silicon layers grown by SiF4-H2 plasma on glass substrates (literal)
- Abstract
- Microcrystalline silicon m?c-Si. films, having different crystalline fractions (fc) and thicknesses, were deposited on glass by plasma enhanced chemical vapor deposition (PECVD) starting from a SiF4-?H2?-He gas mixture. The absorption coefficient (alfa)? in the energy range 0.8?-2.0 eV was evaluated from the standard constant photocurrent method (S-CPM) and dark conductivity
measurements have been performed. The S-CPM data elaboration was carried out according to the Favre approach, in order to take account for the bulk scattering. The true ?alfa vs. energy trend was interpreted to evidence defect density and the crystalline-amorphous fraction of the samples. However, no thickness effect on the ?true alfa coefficient was observed, whereas the
change in crystalline fraction resulted in different scattering effects. (literal)
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