Cobaltocene Encapsulation Into Single-walled Carbon Nanotubes: A Molecular Dynamics Investigation

Details Cobaltocene Encapsulation Into Single-walled Carbon Nanotubes: A Molecular Dynamics Investigation Cobaltocene Encapsulation Into Single-walled Carbon Nanotubes: A Molecular Dynamics Investigation

2007-07-25

arxiv.org/abs/0707.3831v1

Physics

Condensed Matter

Materials Science

5 pages, 3 figures

Scientific paper

Recently (PRL 96, 106804 (2006)) it was suggested that cobaltocene(CC) molecules encapsulated into (7,7) carbon nanotubes (CNT@(7,7)) could be the basis for new spintronic devices. We show here based on impact molecular dynamics and DFT calculations that when dynamical aspects are explicitly considered the CC encapsulation into CNT@(7,7) does not occur, it is prevented by a dynamic barrier mainly due to van der Waals interactions. Our results show that CNT@(13,0) having enough axial space for encapsulation but no enough one to allow freely rotation of the cobaltocene molecule would be a feasible candidate to such application.

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