Trajectories (IMAGE) Aalto University Caption Trajectories followed by incident and knockon atoms during energetic deposition of a tetrahedral amorphous carbon thin film. Credit Miguel Caro/Aalto University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.