KINETICS OF ORDERING AND 2-DIMENSIONAL GROWTH OF Ag ON Si(111) | Zendy

Ming Li | Zendy; XU MING | Zendy; Huizhou Liu | Zendy

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KINETICS OF ORDERING AND 2-DIMENSIONAL GROWTH OF Ag ON Si(111)

Author(s) -

Ming Li,

XU MING,

Huizhou Liu

Publication year - 1996

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.45.1380

Subject(s) - exponent , scaling , materials science , kinetics , chemical physics , growth model , domain (mathematical analysis) , symmetry (geometry) , condensed matter physics , growth rate , annealing (glass) , thermodynamics , physics , mathematics , quantum mechanics , geometry , metallurgy , mathematical analysis , philosophy , linguistics , mathematical economics

We have studied the ordering processes of Ag on Si (111) by LEED using a homemade high re-solution spot profile measuring equipment. The results show that the growth processes of Ag 31/2 domain satisfy scaling symmetry. They are self-similar growth processes. The studies also show that the growth exponent is near 1/2 in the early stage of the growth processes. We propose a growth mechanism of Ag diffusing from Ag(111) islands to form Ag 31/2 domains. This article also suggests a way to obtain perfect surface structures in lower temperature by using light-assisted anneal.

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