期刊
PHYSICAL REVIEW B
卷 78, 期 7, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.78.075409
关键词
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资金
- Fonds National Suisse pour la Recherche Scientifique through Division II
- MaNEP
- U.S. Office of Naval Research
We study the stability and structure of self-assembled atomic chains on Si(111) induced by monovalent, divalent, and trivalent adsorbates, using first-principles total-energy calculations and scanning tunneling microscopy. We find that only structures containing exclusively silicon honeycomb or silicon Seiwatz chains are thermodynamically stable, while mixed configurations, with both honeycomb and Seiwatz chains, may be kinetically stable.
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