57 4
. Fig. 4.20 a Mass absorption coefficient for Au
as a function of photon energy. b Mass absorption
coefficient for Au as a function of photon energy
near the Au L-shell critical excitation energies. c
Mass absorption coefficient for Au as a function of
photon energy near the Au M-shell critical excitation
energies
X-ray mass absorption coefficient of gold
a1e+6
1e+5
1e+4
1e+3
Mass absorption coefficient (cm
2 /g)
1e+2
1e+1
0510
X-ray photon energy (keV)
15 20
X-ray mass absorption coefficient of gold
100
X-ray photon energy (keV)
10 11 12 13 14 15
Mass absorption coefficient (cm
2 /g)
b
X-ray mass absorption coefficient of gold
c 10000
1000
1.0 1.5 2.0 2.5
X-ray photon energy (keV)
3.0 3.5 4.0
Mass absorption coefficient (c
m
2 /g)
4.4 · X-Ray Absorption