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Scanning Tunneling Microscopy Study of the 16-Structure Appearing on a Si(110) Surface

High-resolution scanning tunneling microscopy (STM) was applied to observe the 16-structure appearing on a Si(110) surface. It was reaffirmed that the 16-structure coexisting with a facet structure was not found and could not be explained by the vicinal surface model. Bright and faint zigzag chains consisting of spheres, and the repetition of the upper and the lower layers with the height difference of 2.0 Å were observed. Based on the above result, a structure model was proposed.