科研之友
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摘要
We report on a simple way to mark and track individual molecules self-assembled on a surface by scanning tunneling microscopy. The tracer mechanism consists in a minimal one-atom chemical Substitution. While this substitution leads to significant modifications in the STM signature of the molecules, no substantial changes of the physics of self-asserribling are observed when using the modified or unmodified molecular building blocks. This allows us to follow the intrinsic dynamical properties of the self-assembled molecular patterns.
- 出版日期2008-9-11
- 单位中国地震局
