The architecture of nanomaterials at the atomic scale

00:00 13-05-2007

'Times New Roman'; mso-fareast-font-family: Batang; mso-ansi-language: EN-GB; mso-fareast-language: KO; mso-bidi-language: HE"> 'Times New Roman'; mso-fareast-font-family: Batang; mso-ansi-language: EN-GB; mso-fareast-language: KO; mso-bidi-language: HE">In order to reach the maximum device miniaturization, and to use the phenomena that appear at low-scale corresponding to the interactions of a few atoms, the study of nanomaterials developed extensively in the last years. One of the main problems of a nanomaterial is its structure, i.e. the disposal of atoms in small nanometric clusters that are free or not of interaction with other clusters in a bulk solid or in a thin film. Atomic scale modelling of various nano-clusters has been performed taking into account the crystallochemical parameters for every type of material: silicon nanowires, carbon nanotubes configurations, chalcogenide glass clusters. The modelling gives the possibility to select the physically realistic configurations, to be prepared and, thereafter, to be applied in nano-devices. Examples of nano-devices suggested as applications of the nanometric structures are given.

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