Free Access
Fig. 4
Same as Fig. 1 for a-C:H sample irradiated with 
ions at 300 K (upper panel) and 25 K for two independent experiments (middle and lower panels) as a function of fluence. At 25 K the insets show the appearance of a band around 4120 cm-1 associated with H2 formed and trapped in the bulk.
This figure is made of several images, please see below:
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.