Preservation of the Phase Boundary of Si(111)7×7 Structure in Air Studied by Force Microscopy

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概要

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• Si(111) surfaces cleaned under ultrahigh vacuum were studied by force microscopy in air. 7×7 domain boundaries associated with the phase transition from 1×1 to 7×7 during cooling were imaged as 1.0〜1.5 Å high protrusions. The morphology was quite consistent with results from in situ techniques. For rapidly quenched surfaces, disordered 1×1 triangles were also seen in the middle of terraces. These structures may be related to the difference in surface atom densities and the difference in reaction to oxygen.

• 社団法人応用物理学会の論文
• 1994-06-01

著者

• FUKUDA Tsuneo

  NTT Basic Research Laboratories

関連論文

• Real-Time Observation of (1×1)-(7×7) Phase Transition on Vicinal Si(111) Surfaces by Scanning Tunneling Microscopy
• Preservation of the Phase Boundary of Si(111)7×7 Structure in Air Studied by Force Microscopy
• Initial Oxygen Interaction between Ge(100) and Ge/Si(100) Surfaces Compared by Scanning Tunneling Microscopy

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