SAED is particularly useful for studying the local crystal structure, orientation, and phase identification of nanomaterials. CBED is another TEM-based technique that uses a convergent electron beam ...
It is necessary to adjust the position of the electron beam as the voltage is varied. It is worthwhile to contrast the diffraction of electrons with the diffraction of light by a two dimensional grid.
a focused electron beam is directed at a tilted crystalline sample (usually tilted at 70° relative to the incident beam). As the electrons penetrate the sample surface, they interact with the atomic ...
and the diffraction pattern was obtained on the photographic plate placed behind the crystal normal to the incident beam. The energy of cathode rays, which were generated in a gas tube worked by ...
The results were validated using electron backscatter diffraction-scanning electron ... Bragg-dip imaging revealed details along the neutron beam path through the specimen. Despite minor differences ...