Physics · Doping
To achieve the desired electrical conductivity during the doping process of semiconductors, which critical parameters of the impurity must be closely controlled?
- 1Only the physical state of the impurity
- 2Only the temperature of the impurity
- 3The specific type and precise concentration of the impurity✓
- 4The mass number and isotopic abundance of the impurity
Correct answer
The specific type and precise concentration of the impurity
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