Citation: Hua Gen YU, Ji Yuan CHENG. INSTABILITY AND (2×1) RECONSWUCTON OF Ge (001) SURFACE FROM SOLID-STAIE POTENTIALS[J]. Chinese Chemical Letters, ;1993, 4(7): 621-622. shu

INSTABILITY AND (2×1) RECONSWUCTON OF Ge (001) SURFACE FROM SOLID-STAIE POTENTIALS

Chengdu Institute of Organic Chemistry, Academia Sinica, Sichuan, 610015

Received Date: 20 January 1993

Fund Project: We thank Dr.R.L. Johoatoo of University of Sussex for help with hia studies about the Ge and Si solid-state potentials.

An empirical potential energy function comprising two-and three-body terms, whose parameters have been determiaed from the properties of solid germanium,is used to study the (2×l) reconstruction of the Ge (001) surface.It is found that the formation of a dimer bond lowers the total energy by 0.73eV/atom, as compared to the surface atoms on the ideal Ge (001) surface.
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