Compounds of amorphous hydrogenated nonstoichiometric germanium carbide were obtained from the radiolysis of GeH4/C2H4 mixtures containing 3−30% ethylene. The composition of the materials varied depending on the ethylene percentage in the irradiated mixture. The bonding and the structure of the compounds so obtained were investigated by infrared spectroscopy, and their optical gap values determined by the Tauc procedure. The variation of optical gap values as a function of carbon content is discussed.
Characterisation and properties of amorphous non stoichiometric Ge1-x-Cx:H compounds obtained from X-ray radiolysis of germane/ethylene mixtures
BENZI, Paola;CASTIGLIONI, Mario;VOLPE, Paolo Edoardo Angelo
2001-01-01
Abstract
Compounds of amorphous hydrogenated nonstoichiometric germanium carbide were obtained from the radiolysis of GeH4/C2H4 mixtures containing 3−30% ethylene. The composition of the materials varied depending on the ethylene percentage in the irradiated mixture. The bonding and the structure of the compounds so obtained were investigated by infrared spectroscopy, and their optical gap values determined by the Tauc procedure. The variation of optical gap values as a function of carbon content is discussed.
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