2. What is the wurtzite crystal structure? Quote at least one important wurtzite semiconductor.

Wurtzite crystal structure is a hexagonal pattern found in some semiconductors. This differs from the cubic crystal structure of diamond and zinc-blende latttices.

While in the cubic semiconductor structures, the distance between points of the Bravais lattice are the same in three directions, which are separated each by 90 degrees. In the hexagonal structure, only the distance between two of the three points are the same. The two points that are the same distance from each other are separated by 90 degrees, while the third point is separated by 120 degrees.

Materials with a wurtzite crystal structure include GaN, AlN, InN, and ZnO.

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