Molecular simulations of cluster ejection by CO2 cluster impact on carbon-based surfaces

Molecular Dynamics Study of Fullerite Cross-Linking under keV C60 and Arn Cluster Bombardment

“…The main results of this work are the analysis of the development of the collision cascades in the bombarded materials and the values of sputtering yields as a function of the cluster sizes and initial kinetic energies. 28 Recently, Webb et al reported a similar research for C 60 cluster bombardment. Their study focused on the influence of the H:C ratio on the polymerization and cross-linking processes in different organic materials.…”

“…The second study is devoted to the irradiation of carbon-based materials, i.e., fullerite, graphite, and diamond, by (CO 2 ) n clusters. The main results of this work are the analysis of the development of the collision cascades in the bombarded materials and the values of sputtering yields as a function of the cluster sizes and initial kinetic energies . Recently, Webb et al reported a similar research for C 60 cluster bombardment.…”

“…His research was, inter alia, followed by a study concerning the irradiation of a small C 60 sample by keV argon atom bombardment, done by Hobday et al Their work describes one of the first atomistic analyses of Ar atom interactions with a fullerite solid, with the final conclusion that the fullerite solid undergoes polymerization upon irradiation. During the past decade, two studies concerning the interaction of clusters with fullerite samples have been reported by German and Japanese groups. , In the first work Anders et al discuss the fragmentation and ranges of C 60 cluster projectiles for different materials, including fcc C 60 fullerite, and their dependence on the projectile energy . The second study is devoted to the irradiation of carbon-based materials, i.e., fullerite, graphite, and diamond, by (CO 2 ) n clusters.…”

“…During the past decade, two studies concerning the interaction of clusters with fullerite samples have been reported by German and Japanese groups. 27,28 In the first work Anders et al discuss the fragmentation and ranges of C 60 cluster projectiles for different materials, including fcc C 60 fullerite, and their dependence on the projectile energy. 27 The second study is devoted to the irradiation of carbon-based materials, i.e., fullerite, graphite, and diamond, by (CO 2 ) n clusters.…”

Dynamics Displayed by Energetic C60 Bombardment of Metal Overlayers on an Organic Substrate

“…Distinctive dynamics are elucidated by MD computer simulations for the energetic cluster bombardment of systems composed of metal overlayers on an organic substrate as compared to the energetic cluster impacts on systems such as inorganic solids, molecular organic solids, molecular organic overlayers on metal substrates, and metal nanoparticles deposited on organic polymer substrates. ,,,− Important factors responsible for these distinctive dynamics include the large disparity in the cohesive energy of the tightly bound metal atoms in the overlayer and the loosely bound organic molecules of the substrate and the much greater compressibility of the organic material compared to the metal overlayer. The resulting dynamics due to kiloelectronvolt cluster bombardment depends on the metal overlayer thickness as shown in Figure .…”