Publication
Physical Review B
Paper

Tip electronic structure in scanning tunneling microscopy

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Abstract

In scanning tunneling microscopy one observes the convolution of the geometric and electronic structures of tip and sample. Although the influence of the tip geometry on experimentally observed topographies is well documented, effects due to tip electronic structure have not been identified. We report a dramatic asymmetry between filled and empty states on the tip and compare these observations with theoretical calculations. © 1988 The American Physical Society.

Date

15 May 1988

Publication

Physical Review B

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