Exercises for next section
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2.5.1 The figure shows the diffraction pattern from a monatomic crystal structure. Encircled in red is the unscattered beam; in green, one of the diffraction spots.
A) What are the (h k) indices of this diffraction peak?
B) Draw the crystal structure and indicate the set of lattice planes giving rise to this diffraction peak.
C) Does this peak correspond to a first or higher order peak in the Bragg language? I.e., in the Bragg condition, 2d sin(theta) = n lambda, is n equal to or larger than unity?