Question

NA = 10cm No =0*7cm р n Figure 1. p-n diode. P ріп NA = 10' No - 10/ NA = 10' ' N) = 10' ' N:-? No = 10" -0.7 eV wc = ? Figure 2. n-p-n transistor. Pos? Donc = ? Figure 3. p-1l-p transistor. 1. Take one n-type Si wafer of your choice of doping for No. (6) Calculate the conductivity of this n-type Si wafer and calculate the resistivity of this n-type Si wafer (ii) Determine R for this Si wafer considering length 1 mm, width - 1 mm, and height - 1 mm. (ii) Obtain the value of resistivity of this n-type Si from the graph. (iv) Determine the Majority Carrier charge type of this Si wafer and determine the Majority Carrier Density of this Si wafer. (W) Determine the Minority Carrier charge type of this Si wafer and determine the Minority Carrier Density of this Si wafer Take one p-type Si wafer having Na = 8x10 cm calculate the conductivity of this p-type Si Wafer and calculate the resistivity of this p-type Si wafer. (17) Ilse " Use Graph to write the electron mobility and the hole mobility for this p-Si. (w) Obtain the value of resistivity of the p-type Si from the graph. wafer. une the majority Carrier charge type of this Si wafer and determine the Majority Carrier Density of this si ne Minority Carrier charge type of this Si wafer and determine the Minority Carrier Density of this si (iv) Determine the Majority Cam (v) Determine the Minority Carrie wafer. 3 dope simultaneously with 2x10"/cnr' for Boron and 6x10'lcm' for Phosphorus. Take a Si wafer and dope simulta (a) Calculate the conductivity of this Si wafer. (0) Calculate the resistivity of this Si wafer. (e) Obtain the value of resistivity of th in the value of resistivity of this Si wafer from the graph (d) Determine the Majority Carrier charge wafer. (e) Determine the Minority Carrier charge Si wafer. may camer charge type of this Si wafer and determine the Majority Carrier Density of this Si only Carrier charge type of this Si wafer and determine the Minority Carrier Density of this