Dynamics and nucleation of Si ad-dimers on the Si(100) surface

G. Brocks, P.J. Kelly

Research output: Contribution to journalArticleAcademicpeer-review

108 Citations (Scopus)
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Abstract

The motion of Si ad-dimers on the Si(100) surface is studied by means of ab initio (Car-Parrinello) molecular dynamics. We observe dynamic buckling of the dimers and the rotation of a single ad-dimer on top of a substrate dimer row. A model is presented for the structure and the formation of the recently observed “dilute” ad-dimer rows, which explains their one-dimensional growth. We propose that these rows are intermediate structures for the strongly anisotropic epitaxial growth on Si(100).

Original languageEnglish
Pages (from-to)2362-2365
Number of pages4
JournalPhysical Review Letters
Volume76
Issue number13
DOIs
Publication statusPublished - 25 Mar 1996
Externally publishedYes

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