Surface loss probabilities of hydrocarbon radicals on amorphous hydrogenated carbon film surfaces: Consequences for the formation of re-deposited layers of fusion experiments
The surface probabilities of hydrocarbon radicals on the surface of amorphous hydrogenated carbon films are investigated by depositing films inside a cavity with walls made from silicon substrates. This cavity is exposed to a discharge using different hydrocarbon and source gases, and particles from the plasma can enter the cavity through a slit. The surface loss probability beta is determined by analysis of the deposition profile inside the cavity. The surface loss probability corresponds to the sum of the probabilities of effective sticking on the surface and of formation of a non-reactive volatile product via surface reactions.
Bibliographic Reference: Article: Nuclear Fusion, 39 (1999)10, 1451-1462
Record Number: 199911618 / Last updated on: 1999-11-20
Original language: en
Available languages: en