Assertion: germanium | /r/HasProperty | semiconductor
Facets:
value: historically
type: TEMPORAL
Source sentences:
text: Germanium is a semiconductor.
text: Historically, germanium was the semiconductor that initiated the electronics revolution, but it was quickly replaced by silicon at the beginning of the 1960s.
text: Germanium is a semiconductor.
text: In addition, germanium is a semiconductor, with electrical properties between those of a metal and an insulator.
text: Okay, but the fact that Germanium is a semiconductor is a notable factor, and the behavior at high temperatures is an issue.
text: Germanium is a semiconductor.
text: Germanium is a semiconductor with an electrical conductivity of around 2 × 10−2 S•cm−1 and a band gap of 0.67 eV. Liquid germanium
text: Germanium is a semiconductor.
text: From this work it was established that germanium was indeed a semiconductor, obvious today but at that time a matter of debate and controversy.
text: The critical experiment, carried out on December 16, 1947, consisted of a block of germanium, a semiconductor, with two very closely spaced gold contacts held against it by a spring.