NanoLab/NSF NUE/Bumm
Bragg condition’s
l
The diffraction condition can be written in vector
form
l
2
k
∙
G
+
G
2
= 0
l
l
k
-
is the incident wave vector
l
k’
-
is the reflected wave vector
l
G
-
is a reciprocal lattice vector such that where
l
G
=
∆
k
=
k
-
k’
l
the diffraction condition is met