- #1
ahjie
- 9
- 0
i cannot understand why product of free negative and positive concentrations is a constant independent of the amount of donor and acceptor impurities.
let say we dope in some n-type material (pentavalent) ,then the concentration of n should increase,but why ni2 still is constant ?
let say we dope in some n-type material (pentavalent) ,then the concentration of n should increase,but why ni2 still is constant ?