, Volume 69, Issue 1 Supplement, pp S755-S758

Structural analysis of a carbon foam formed by high pulse-rate laser ablation

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Abstract.

The ultrafast laser ablation of a carbon target in ambient Ar gas at a pressure of 1–100 Torr resulted in the formation of a low-density (2-10)×103 g/cm3 cluster-assembled carbon nanofoam with a significant fraction of sp3-bonding and a resistivity of (1-3)×109 Ω cm at room temperature, similar to that of diamond-like carbon film. In this paper we present the structural analysis of the foam based on TEM and SEM images as well as X-ray scattering data and electron energy loss spectra.

Received: 21 July 1999 / Accepted: 15 September 1999 / Published online: 28 December 1999