Fon capacitance at zero bias i acitance was measured to be

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3. Use this information to answer Question 3-5:
Consider a step pn junction made of GaAs at T= 300 K. The junction capacitance at zero bias is C(0) and the
capacitance with a 10 V reverse bias is C(10). The ratio of the capacitance was measured to be C(0)/C(10) = 3.13.
Find the built-in potential in unit of V.
Specify your answer up to 4 digits below the decimal point in order to avoid numeric answer propagation in the
following problems.
Enter answer here
The depletion region width on the p-side, p, was found to be 20% of the entire depletion region width, Ip. Find the
doping density, NA in the p-side in unit of cm 3.
Enter answer here
Find the doping density, Np in the n-side in unit of cm.
Enter answer here
Transcribed Image Text:3. Use this information to answer Question 3-5: Consider a step pn junction made of GaAs at T= 300 K. The junction capacitance at zero bias is C(0) and the capacitance with a 10 V reverse bias is C(10). The ratio of the capacitance was measured to be C(0)/C(10) = 3.13. Find the built-in potential in unit of V. Specify your answer up to 4 digits below the decimal point in order to avoid numeric answer propagation in the following problems. Enter answer here The depletion region width on the p-side, p, was found to be 20% of the entire depletion region width, Ip. Find the doping density, NA in the p-side in unit of cm 3. Enter answer here Find the doping density, Np in the n-side in unit of cm. Enter answer here
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