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|Type:||Artigo de evento|
|Title:||Ab Initio Modeling Of Contact Structure Formation Of Carbon Nanotubes And Its Effect On Electron Transport|
|Abstract:||Carbon nanotube (CNT) devices are studied as a possible alternative to the current silicon based CMOS technology. The contacts between CNTs and metal electrodes in such devices exert great influence on the device performance. In this study, ab initio temperature accelerated dynamics are performed to study the contact formation between CNTs and Ti electrodes. Results indicate that CNTs undergo significant structural deformation, resulting in a significant decrease of the device conductance. This finding may explain the discrepancy between experimental and simulated results in molecular devices. However, more effects may need to be taken into account as we discuss for the example of the size effect of CNTs. Mater. Res. Soc. Symp. Proc. Vol. 1081 © 2008 Materials Research Society.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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