Polarizability of carbon nanotube peapods from first-principles

초록

Carbon nanotube peapods have been suggested as nanoelectronic devices, such as bucky shuttle memories and three-terminal switching devices. However, relevant physical properties are not fully understood. We calculate the polarizability of carbon nanotube peapods from first-principles. We obtain a substantial reduction in the polarizability of an endohedral C-60 moledule in various carbon nanotube peapod structures. The reduction depends on the structures and the directions of the external electric fields. The features of polarizability will be important in device applications of carbon nanotube peapods.

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