Chemistry Reference
In-Depth Information
(a)
p
-pol HeI
12 K
k
||
e
16
°
14
°
12
°
π
2a
_
_
Γ
0
°
2a
-12
°
-
1
4
°
-16
°
a
-24
°
E
F
-0.8
-0.6
-0.4 -0.2
Energy (eV)
(b)
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
E
F
-0.4
0.0
0.4
0.8
Energy (eV)
Figure 6.1. (a) ARUPS spectra of Au/Si(111) with
k
along the [1 10] chain direc-
tion.
θ
e
is referred to the surface normal.
k
values are given for emission at
E
F
,
with
a
being the Au-Au spacing within a chain (0.383 nm).
E
is contained in the
emission plane. (b)
E
(
k
) of the main structure plotted and fitted to a free-electron
parabola. Energy is given relative to
E
F
. Reprinted with permission from Segovia
et al.
, 1999. Copyright (1999) by the Nature Publishing Group.
