Physics · Semiconductor Devices
Silicon and Germanium are generally not suitable for fabricating LASER diodes because:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1They have an indirect band gap.✓
- 2They have a direct band gap.
- 3Their emission coefficients are very low.
- 4Their absorption coefficients are very high.
Correct answer
They have an indirect band gap.
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