Molecular dynamics simulation of the H_2 recombination on a graphite surface

Details Molecular dynamics simulation of the H_2 recombination on a graphite surface Molecular dynamics simulation of the H_2 recombination on a graphite surface

Jun 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...334..363p&link_type=abstract

Astronomy and Astrophysics, v.334, p.363-375 (1998)

Astronomy and Astrophysics

Astrophysics

40

Dust, Extinction, Ism: Molecules, Molecular Processes

Scientific paper

This article reports a model study aimed at the detailed description of the mechanism of formation of molecular hydrogen onto dust grain surfaces in the interstellar medium. Using classical trajectories (CT) and quasi-classical trajectories (QCT) calculations, the H_2 recombination from the Eley-Rideal process has been studied. This reactive process, involving the collision between one gas phase atomic hydrogen and one other H atom previously chemisorbed on a graphite surface, could be an efficient mechanism to explain the formation of H_2 in the interstellar medium. Two empirical potential models have been used to extract the main physical and chemical properties of this system. The efficiency of the recombination process has been analysed as a function of the collision energy and also as a function of the H coverage on the graphite surface. >From an energetic point of view, the newly formed H_2 molecules have been found to be desorbed with a large translation kinetic energy and also in highly excited vibrational states.

Affiliated with

Also associated with

No associations

Rating

Molecular dynamics simulation of the H_2 recombination on a graphite surface does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Molecular dynamics simulation of the H_2 recombination on a graphite surface, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Molecular dynamics simulation of the H_2 recombination on a graphite surface will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1329997