Vibrational states of tetrahedral amorphous carbon

被引:36
作者
Lopinski, GP
Merkulov, VI
Lannin, JS
机构
[1] Department of Physics, Pennsylvania State University, University Park
关键词
D O I
10.1063/1.117302
中图分类号
O59 [应用物理学];
学科分类号
摘要
High resolution electron energy loss spectroscopy was used to observe variations in the vibrational states of amorphous carbon films with differences in preparation methods. Diamondlike films made by pulsed laser deposition (PLD) exhibit differences in the weighted phonon density of states relative to sputtered films. These differences are due to an increase of fourfold bonded atoms in the PLD films and are in qualitative agreement with theoretical calculations for amorphous carbon networks. (C) 1996 American Institute of Physics.
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页码:3348 / 3350
页数:3
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