Question

a) Describe in less than 300 words ONE type of apparatus (using a diagram if it helps) that is used to collect diffraction information using X-rays. Include in your answer why this set up is used to successfully get diffraction from crystals?

b) Describe in less than 300 words how the equilibrium one-dimensional band diagram of a pn junction (under zero bias) evolves based on diffusion and drift currents that occur due to the differing impurities in the p and n sides.

Write it clear please.

Answer 1