Atomic structure and energetics of vacancies in a sublayer of GaAs(110)

Jae Yel Yi, Ja Yong Koo, Sekyung Lee, Dong Hyuk Shin, Jeong Sook Ha

Research output: Contribution to journalArticlepeer-review


The energetics and structure of vacancies in the second layer of GaAs(110) were examined using the ab initio total energy calculation method. Structural changes due to the presence of the vacancies are substantial. The changes are different in shape, depending on the type of vacancy and charged states. Both the Ga vacancy and the As vacancy in the second layer of the surface favor negatively charged states.

Original languageEnglish
Pages (from-to)55-59
Number of pages5
JournalSurface Review and Letters
Issue number1-2
Publication statusPublished - 2000
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry


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