A semiconductor with 1013 donors/cm³. If you know that their donor level below the conduction band is 10 meV, calculate the concentration of extrinsic conduction electrons at room temperature. If the semiconductor has a band gap energy of 1 eV, calculate the concentration of intrinsic conduction electrons at room temperature assuming m*=mo. Comment which contribution is larger.

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A semiconductor with 10¹³ donors/cm³. If you know that their donor level
below the conduction band is 10 meV, calculate the concentration of
extrinsic conduction electrons at room temperature. If the semiconductor
has a band gap energy of 1 eV, calculate the concentration of intrinsic
conduction electrons at room temperature assuming m*=mo. Comment
which contribution is larger.
Transcribed Image Text:A semiconductor with 10¹³ donors/cm³. If you know that their donor level below the conduction band is 10 meV, calculate the concentration of extrinsic conduction electrons at room temperature. If the semiconductor has a band gap energy of 1 eV, calculate the concentration of intrinsic conduction electrons at room temperature assuming m*=mo. Comment which contribution is larger.
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