MatSE 582: Surface Physics
Problem set #3; assigned Sept. 25.
Exercises 5.1-5.4
How well does our approximate expression for the inelastic mean-free-path compare with the "universal curve" of Fig. 5.1?
L
inel
= a
0
2E
(
h
/
2
p
)
w
p
ln
-
1
æ
è
2E
(
h
/
2
p
)
w
p
ö
ø
(1)
For Al, what are the relative rates for the relaxation of a K-shell hole by radiative and Auger processes?
D
E
radiative
=
a
3
E
Bohr
Z
4
(2)
D
E
Auger
=
a
E
Bohr
(3)
