FORMATION OF $\sqrt {21} \times \sqrt {21} $ STRUCTURE BY GOLD DEPOSITION ON ${\rm{Si}}\left( {111} \right)\sqrt 3 \times \sqrt 3\mbox{-}{\rm{Ag}}$ SURFACE AND THE WAVERING BEHAVIOR
- 1 June 1994
- journal article
- Published by World Scientific Pub Co Pte Ltd in Surface Review and Letters
- Vol. 1 (1) , 1-7
- https://doi.org/10.1142/s0218625x94000023
Abstract
Initial stage of gold deposition on a surface at room temperature is observed by reflection high-energy electron diffraction (RHEED) and scanning tunneling microscopy (STM). At gold coverage of 0.14 monolayer (ML) (here 1 ML=7.8×1014 atoms/cm2) a structure is formed on the surface. A model of the superstructure is proposed in terms of an embedded arrangement of three gold atoms in the unit cell. Wavering behavior of islands formed on the structure is found during STM observations.Keywords
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