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KeV ion irradiation of frozen benzene layers (? 1 ?m thick) gives rise to carbonaceous materials. The evolution of atomic structure of benzene leading to the arrangement of graphitic cluster inside the so called ?Ion Produced Hydrogenated Amorphous Carbon? films (IPHAC) is discussed. UV-visible, infrared spectroscopy and Elastic Recoil Detection Analysis (ERDA) are used to distinguish the aliphatic and aromatic contribution in the amorphous structure.
Sign on SAO/NASA ADS Physics Abstract Service · Find Similar Abstracts (with default settings below) · Electronic Refereed Journal Article (HTML) · Citations to the Article (4) (Citation History) · Refereed Citations to the Article · Reads History · · Translate This Page Title: Ion produced Hydrogenated Amorphous Carbon.
41B Abstract For several years many experimental results have been obtained on the chemical and physical changes induced by ion and electron irradiation of materials with a view to their Astrophysical relevance. Among the studied effects, one of particular interest is the formation of an organic refractory residue left over after ion irradiation and warming-up at room temperature. We call this residue IPHAC (ion produced hydrogenated amorphous carbon.