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Erbium-Doped A-Si:H Films Fabricated by Standard Pecvd Using Metalorganics
Published online by Cambridge University Press: 10 February 2011
Abstract
1·54 jim light-emitting erbium-doped hydrogenated amorphous silicon films have been fabricated by standard low temperature (200 – 250 °C) PE CVD technique. The films were doped with erbium during the deposition by making use of a new fluorine-containing metalorganic compound Er(HFA)3*DME [where HFA=CF3C(O)CHC(O)CF3, DME=CH3OCH2CH2OCH3]. Photoluminescence spectra of the a-Si(Er):H films were studied within the range 0·6–1·7 pm at both 77 K and 295 K. A photoconductivity was also detected. The photo- to dark conductivity ratio was on the order of 103.
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- Copyright © Materials Research Society 1998
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