X-Ray Diffraction

26

Overview of X-Ray Scattering and Diffraction Theory and Techniques

Dq

l

pq

=◊

r

V

S

e

c

2

2

2

()

sin

q

Bragg

Bragg

(1.20)

where S(q

Bragg

) is the structure factor from Eq. (1.9) at the Bragg

position q

Bragg

. The crystal’s unit cell volume is denoted by V

c

.

Figure 1.14           

geometry. On the top, the crystal thickness d is 52 µm and the

photon energy E = 30 keV. At the bottom, d = 18 µm and E = 0





energy is E = 30 keV and at the bottom E = 10 keV. The symbols

are explained ...