Symmetry and stability of solitary dimer rows on Si(100)

Journal Article · Mon Apr 26 00:00:00 EDT 1993 · Physical Review Letters; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.70.2589· OSTI ID:6515470

Bedrossian, P; Kaxiras, E ^[1]

---

1. Lawrence Livermore Laboratory, P.O. Box 808, L-350, Livermore, California 94550 (United States) Department of Physics and Division of Applied Sciences, Harvard University, Cambridge, Massachusetts 02138 (United States)

Metastable, monolayer-high structures as narrow as one dimer row and as long as the substrate's terrace width decorate antiphase boundaries on Si(100) following 225 eV Xe bombardment. On the basis of tunneling microscope STM observations and first-principles calculations, we propose that the bonding toplogy of a buckled dimer row on an antiphase boundary is responsible for the metastability of this zipper'' structure, and in turn for the preferential nucleation of dimer rows on antiphase boundaries during growth.

• DOE Contract Number: AC04-76DP00789; W-7405-ENG-48
• OSTI ID: 6515470
• Journal Information: Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 70:17; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360602* -- Other Materials-- Structure & Phase Studies
BUCKLING
CHARGED PARTICLES
CHEMICAL BONDS
CRYSTAL DEFECTS
CRYSTAL GROWTH
CRYSTAL STRUCTURE
DIMERS
ELECTRON MICROSCOPY
ELEMENTS
IONS
MATHEMATICS
MICROSCOPY
MORPHOLOGY
PHYSICAL PROPERTIES
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
SEMIMETALS
SILICON
SURFACE PROPERTIES
THERMODYNAMIC PROPERTIES
TOPOLOGY
XENON IONS