semiconductor Flashcards
1
Q
crt
A
cathode ray tubes
2
Q
order of conductivity of conductors
A
10²-10⁸
3
Q
order of conductivity of insulators
A
10^-11 - 10^-19
4
Q
order of conductivity of semiconductor
A
10^-6 -10⁵
5
Q
valence band
A
lower band completely occupied by 4n val. e at absolute 0 temp
6
Q
how many e are freed when a bond breaks
A
10²⁹
7
Q
pentavalent dopants
A
arsenic, antimony, phosphorus
8
Q
trivalent dopants
A
indium, boron, aluminium