http://www.cnr.it/ontology/cnr/individuo/prodotto/ID167744
Insight into excimer laser crystallization exploiting ellipsometry: effect of si film precursor (Articolo in rivista)
- Type
- Label
- Insight into excimer laser crystallization exploiting ellipsometry: effect of si film precursor (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.tsf2006.11.077 (literal)
- Alternative label
M. Losurdo, M.M. Giangregorio, A. Sacchetti, P. Capezzuto, G. Bruno, L. Mariucci, G. Fortunato (2007)
Insight into excimer laser crystallization exploiting ellipsometry: effect of si film precursor
in Thin solid films (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- M. Losurdo, M.M. Giangregorio, A. Sacchetti, P. Capezzuto, G. Bruno, L. Mariucci, G. Fortunato (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- nst Inorgan Methodol & Plasmas, IMIP, CNR, I-70125 Bari, Italy
[ 2 ] INSTM, Sez Bari, I-70125 Bari, Italy
[ 3 ] CNR, IFN, I-00156 Rome, Italy (literal)
- Titolo
- Insight into excimer laser crystallization exploiting ellipsometry: effect of si film precursor (literal)
- Abstract
- The optical diagnostic of spectroscopic ellipsometry is shown to be an effective tool to investigate the mechanism of excimer laser crystallization (ELQ of silicon thin films. A detailed spectroscopic ellipsometric investigation of the microstructures of polycrystalline Si films obtained on SiO4,/Si wafers by ELC of a-Si:H and nc-Si films deposited, respectively, by SiH4 plasma enhanced chemical vapor deposition (PECVD) and SiF4-PECVD is presented. It is shown that ellipsometric spectra of the pseudodi electric function of polysilicon thin films allows to discern the three different ELC regimes of partial melting, super lateral growth and complete melting. Exploiting ellipsometry and atomic force microscopy, it is shown that ELC of nc-Si has very low energy density threshold of 95 mJ/cm(2) for complete melting, and that re-crystallization to large grains of similar to 2 mu m can be achieved by multi-shot irradiation at an energy density as low as 260 MJ/CM2 when using nc-Si when compared to 340 MJ/cm(2) for the ELC of a-Si films. (literal)
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