In a direct band-gap material, an electron in the conduction band having a crystal momentum of 7.84

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In a direct band-gap material, an electron in the conduction band having a crystal momentum of 7.84 × 10⁻²⁶ Kg⋅ m/s makes a transition to the valence band emitting an electromagnetic wave of wavelength 0.8 μm. Calculate the band-gap energy. Assume that the effective mass of an electron in the conduction band is 0.07m and that in the valence band is 0.5m, where m is the electron rest mass. Assume parabolic conduction and valence band?

Posted Date: Nov 06, 2021 06:12 AM

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In a direct band-gap material, an electron in the conduction band having a crystal momentum of 7.84

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The bandgap energy Eg in a semiconductor refers to the energy required to move an electron from the ... View the full answer

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