An Etymological Dictionary of Astronomy and Astrophysics
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A semiconductor, such as silicon, whose responsive properties can be altered by the addition of impurities. Copper- and mercury-doped germanium are both examples of this semiconductor material.

→ extrinsic; → semiconductor.

A pure semiconductor containing no → impurity atoms. → extrinsic semiconductor.

→ intrinsic; → semiconductor.

Any of various solid crystalline substances, such as germanium or silicon, which has conducting properties intermediate between metals and insulators.

→ semi-; → conductor.

In a semiconductor device, a region of transition between semiconducting regions of different electrical properties.

→ semiconductor; → junction.