Spontaneous formation of an ordered c(4x2)/(2x1) domain pattern on Ge(001)

Henricus J.W. Zandvliet, B.S. Swartzentruber, W.C.U. Wulfhekel, B.J. Hattink, Bene Poelsema

Research output: Contribution to journalArticleAcademicpeer-review

77 Citations (Scopus)

Abstract

Scanning-tunneling-microscopy measurements of Ge(001) reveal the presence of an ordered domain pattern consisting of c(4×2) and (2×1) domains arranged in stripes with a width of several dimer row spacings, oriented along the dimer rows. We suggest that the existence of a soft domain wall between the domains combined with a difference in the stress component along the dimer bond for the (2×1) and c(4×2) domains, respectively, can conspire to produce such an ordered domain phase. A simple model based on strain relaxation explains the observed size of the domain pattern.
Original languageEnglish
Pages (from-to)6803-6806
Number of pages4
JournalPhysical review B: Condensed matter and materials physics
Volume1998
Issue number57
DOIs
Publication statusPublished - 1998

Keywords

  • IR-73151
  • METIS-128660

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