On the formation of suspended noble-metal monatomic chains

A. Hasmy, L. Rincón, R. Hernández, V. Mujica, M. Márquez, C. González

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19 Citas (Scopus)

Resumen

We present a tight-binding molecular-dynamics investigation of the geometrical and the electronic structure of suspended monatomic noble-metal chains. We show that linear monatomic chains are formed at temperatures equal to or smaller than 500 K for Au, 200 K for Ag, and 4 K for Cu and that they are stable for at least 10 ns. We also evidence that such stability is associated with the persisting sd orbital hybridization along the chains. The study highlights fundamental limitations of conductance measurement experiments to detect these chains in the breaking process of nanowires.

Idioma originalInglés
Número de artículo115409
PublicaciónPhysical Review B - Condensed Matter and Materials Physics
Volumen78
N.º11
DOI
EstadoPublicada - 9 sep. 2008
Publicado de forma externa

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