Semiconductor Concepts Flashcard

Front

Atomic structure of pure semiconductors:

Back

Diamond cubic structure.

Front

Most common semiconductor for electronics?

Back

Silicon

Front

Sharing of outer-orbit electrons in semiconductors

Back

Covalent bonding

Front

Effect on semiconductor resistance:

Back

Decreases resistance

Front

Process for N-type semiconductor formation

Back

Doping with pentavalent impurities

Front

Formation of P-type semiconductor

Back

Adding trivalent impurities to a pure semiconductor

Front

Current in N-type material is conducted by:

Back

Movement of electrons

Front

Current in P-type material is conducted by:

Back

Movement of holes

Front

Effect of forward and reverse bias on a PN-junction diode:

Back

Forward bias reduces the depletion region and allows current flow; reverse bias increases the depletion region and prevents current flow.

Front

Diode biasing is determined by:

Back

The polarity of the voltage applied