Volume 35, Number 8, September II 1996
|Page(s)||585 - 590|
|Section||Condensed matter: structure, thermal and mechanical properties|
|Published online||01 September 2002|
Adatoms and vacancies on the diamond(111) surface
Friedrich-Schiller-Universität, Institut für
Festkörpertheorie und Theoretische Optik,
Max-Wien-Platz 1, 07743 Jena, Germany
Accepted: 25 July 1996
First-principles total-energy and band-structure calculations are performed for a series of adatom structures and vacancies on the diamond(111) surface. The optimized geometries are related to band structures with narrow or vanishing gaps. In contrast to silicon and germanium, we find that adatoms and vacancies on the diamond surface are energetically less favourable than the relaxed unreconstructed surface.
PACS: 68.35.-p – Solid surfaces and solid-solid interfaces / 73.20.At – Surface states, band structure, electron density of states
© EDP Sciences, 1996
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