Quiz 7:

(Q7.1). What are the various ways LEED can be used for structural analysis?

(Q7.2). What is the wavelength of the electrons for energy 20 eV and 200 eV?
Ans: (2.74 Å) and (0.87 Å)

(Q7.3). Should the diffraction pattern from LEED always be symmetric? Why?

(Q7.4). How do the bcc and hcp structure form diffraction patterns in LEED under different orientations?