| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 9567505 | Applied Surface Science | 2005 | 5 Pages |
Abstract
Local work-function mapping has been performed using scanning tunneling microscopy (STM) combined with visible laser light. Spatial distribution of the work function was visualized for inhomogeneous alkali-metal overlayers on a patterned Cu surface in a nanometer scale formed by nitrogen ion implantation. The spatial resolution of this technique is estimated to be in a sub-nanometer range.
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Authors
Yasuo Nakayama, Hiroshi Kondoh, Toshiaki Ohta,