Chemistry Reference
In-Depth Information
Figure 4.27. (a) Schematic of a STM
z
V
t
injection spectrum (solid curve). The
dashed curves represent typical STM tip displacements observed at a clean metal
surface. (b) Energy band diagrams for STM tunnelling through a vacuum barrier
into the organic thin film and (c) through a Schottky-like barrier with the tip in
contact. In both cases,
V
t
<
−
0 relative to
E
F
is shown. Adapted from Muller
et al.
,
2001.
