A microscopic view of laser ablation

Article Abstract:

A microscopic model was developed to study the molecular characteristics and properties of laser ablation. The developed model was called the breathing sphere model which approximated internal atomic motions and allowed the realistic ablation description of molecular films and matrix-assisted laser desorption. The important elements included in the model were the equations of motion, interaction between organic molecules, rate of energy transfer, modes of excitation, type of matrix used and simulation of laser irradiation.

Models, Molecular dynamics, Ablation (Vaporization technology), Molecular beams, Laser photochemistry

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Microscopic insights into the sputtering of thin organic films on Ag{111} induced by C60 bombardment

Article Abstract:

The mechanism by which molecules are desorbed from surfaces by energetic cluster ion beams is examined and the differences between cluster bombardment and atom bombardment are highlighted. The results show that the impact of the cluster on the benzene-covered surface leads to molecular desorption during the formation of a mesoscopic scale impact crater via a catapulting mechanism.

Semiconductors and related devices, Semiconductor and Related Device Manufacturing, Science & research, Thin Film Materials, Laboratory Apparatus and Furniture Manufacturing, Laboratory apparatus and furniture, Evaporation & Sputtering Eqp, Research, Thin films, Dielectric films, Silver compounds, Chemical properties, Sputtering (Physics), Sputtering (Irradiation)

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