Physics · Semiconductor Electronics
A pure silicon crystal having 5 × 1028 atoms m-3 is doped with 1 ppm concentration of antimony. If the concentration of holes in the doped crystal is found to be 4.5 × 109 m-3, the concentration (in m-3) of intrinsic charge carriers in the silicon crystal is approximately:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12.25 × 1016
- 23.0 × 1015
- 31.5 × 1016✓
- 41.2 × 1015
Correct answer
1.5 × 1016
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