Author:
GAMALY E.G.,RODE A.V.,LUTHER-DAVIES B.
Abstract
The ultra-fast ablation of a graphite target using
high repetition rate Nd:YAG lasers allows us to deposit
two distinctly different carbonaceous structures, depending
on the ambient Ar pressure: a diamond-like carbon film
with the surface finish down to atomic level at a pressure
below 0.1 Torr, and a fractal C nanofoam with air-like
density and diamond-like resistivity at higher pressure.
The experimental characterization of vapors and carbonaceous
materials produced is presented and compared to the theoretical
predictions. The analysis of the formation conditions leads
to the qualitative understanding of the formation mechanism
for both C structures.
Subject
Electrical and Electronic Engineering,Condensed Matter Physics,Atomic and Molecular Physics, and Optics
Cited by
12 articles.
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