Structural models of a-C and a-C:H

摘要: Abstract Diamond-like forms of amorphous carbon and hydrogenated tend to have significant disorder due ion bombardment during deposition. Their electronic structure is analyzed in the case where potential has similar size energy gained from clustering sp 2 sites. Disorder found greatly reduce probability clustering, single 6-fold rings become most probable configuration. A variety configurations are account for relatively low optical band gap. Chair distortions or pairs distorted negatively charged 5-fold positive 7-fold can give gaps as 1 eV. It argued that some form required high luminescence efficiency widegap a-C:H.