Mathematics · Semiconductor Physics Calculations
Suppose a pure silicon crystal has 5 × 1028 atoms m-3. It is doped with 1 ppm concentration of pentavalent Arsenic (As). Calculate the number of holes (p) per unit volume. (Given intrinsic carrier concentration ni = 1.5 × 1016 m-3)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13.5 × 109 m-3
- 25.5 × 109 m-3
- 34.5 × 109 m-3✓
- 46.5 × 109 m-3
Correct answer
4.5 × 109 m-3
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