![(iv) [2 Marks] A pn-junction has a built-in potential voltage of 1V across the junction. The width of the depletion region is](http://img.homeworklib.com/images/e4a8b0db-32d8-48a0-9080-66902a28100d.png?x-oss-process=image/resize,w_560)
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(iv) [2 Marks] A pn-junction has a built-in potential voltage of 1V across the junction. The width of the depletion reg...
Design an ideal abrupt silicon PN-junction at 300 K such that the donor impurity concentration in...
XXX is 467
Design an ideal abrupt silicon PN-junction at 300 K such that the donor impurity concentration in the n-side N, = 5x1015 cm3 and the acceptor impurity concentration in the p-side N, = XXX × 1015/cm3 Assume that the diode area A-2x10-3 cm2 and 100cm work Note that the values obtained in the calculations may not be realistic as the Matric # varies greatly. The assignment is only to test your understanding, and must be handwritten Determine the...
5. For the following Metal-Semiconductor Contacts, calculate the built-in bias and depletion widt...
5. For the following Metal-Semiconductor Contacts, calculate the built-in bias and depletion width, and identify the type of contact. Assume 0V bias a. Pt-Silicon (Na b. Ti-Silicon (Nd c. Cu- Silicon (Nd 1e13, Nd 1e3) le 16, Na 1e2) 1e20, Na- 1e3) 6. Sketch a Cross-Section of the following junctions, label the charge of the depletion region and polarity of forward bias. Choose the proper semiconductor and metal for each junction. N-type Tunnel MS Junction P-type Tunnel MS Junction PN...
2. Suppose you have a silicon wafer containing a p n junction. Design the doping level on the n-side so that the rev...
2. Suppose you have a silicon wafer containing a p n junction. Design the doping level on the n-side so that the reverse breakdown voltage is 45 V. and the depletion widths (on the n-side and on the p-side) 3. Calculate the built-in voltage 19 in a silicon pn Junction with Na = 5x101 /cc and Nd = 1 x 10 /cc given that the junction is reverse biased at 5 V. /mi
2. Suppose you have a silicon wafer...
1.You have a piece of intrinsic silicon. explain how to convert it to n-type. 2.The depletion...
1.You have a piece of intrinsic silicon. explain how to convert it to n-type. 2.The depletion region is a region in the pn junction that is depleted from................. 3.Decreasing the amount of doping to an intrinsic semiconductor, causes the resistance of the doped silicon to................ 4.What is a p-type semiconductor? 5.As the amount of doping to an intrinsic semiconductor increases, the resistance of the doped silicon................
4. AP-N abrupt junction is formed in Silicon as follows: The P-side has a uniform acceptor...
4. AP-N abrupt junction is formed in Silicon as follows: The P-side has a uniform acceptor concentration of 2E18/cm^3 and the N-side has a uniform donor concentration of 2E15/cm^3. (a) Find the built-in voltage, V of the P-N junction at 300K. (b) Find the width of the depletion regions in the P and N regions of the transition region for zero reverse bias and for 5V reverse bias. (c) What is the depletion capacitance per unit area with zero reverse...
2. (60 pts) Consider a one-sided silicon PN diode. The p-side is degenerately doped (and you...
2. (60 pts) Consider a one-sided silicon PN diode. The p-side is degenerately doped (and you can assume Ep = Ey for simplicity). The doping concentration on the n-side is Np for 0<x <too. The depletion width on the n-side is xn. Use the depletion approximation. p* ND x 0 From here, you assume that Np is given by 4x1015 cm. (h) (7 pts) What is the maximum electric field in depletion region when Va=-3 V? (i) (8 pts) As...
3.13 Si pn junction Consider a long pn junction diode with an acceptor doping Naof 1018 cm-3 on t...
3.13 Si pn junction Consider a long pn junction diode with an acceptor doping Naof 1018 cm-3 on the p-side and donor concentration of Nj on the n-side. The diode is forward biased and has a voltage of 0.6 V across it. The diode cross-sectional area is 1 mm2. The minority carrier recombination time, T, depends on the total dopant concentration, Ndopant (cm), through the following approximate empirical relation (5x 10-7)/(1 + 2 10-17N1°pan.) where T is in seconds. (a)...
3.13 Si pn junction Consider a long pn junction diode with an acceptor doping Naof 1018...
3.13 Si pn junction Consider a long pn junction diode with an acceptor doping Naof 1018 cm-3 on the p-side and donor concentration of Nj on the n-side. The diode is forward biased and has a voltage of 0.6 V across it. The diode cross-sectional area is 1 mm2. The minority carrier recombination time, T, depends on the total dopant concentration, Ndopant (cm), through the following approximate empirical relation (5x 10-7)/(1 + 2 10-17N1°pan.) where T is in seconds. (a)...
= 8.05 - 1022 - 1.21 . 1023 VD (Linear Fit) 1/C? (1/F?) 0.0 0.5 100.0...
= 8.05 - 1022 - 1.21 . 1023 VD (Linear Fit) 1/C? (1/F?) 0.0 0.5 100.0 -3.5 -3.0 -2.5 -2.0 -1.5 -1.0 -0.5 Voltage (V) Figure 1: CV data for a Silicon p-n junction diode. 2. A colleague hands you CV data (capacitance vs voltage) of a silicon p-n junction diode shown in Figure 1. For this particular diode, the donor concentration on the n-side is much larger than the acceptor concentration on the p-side (i.e. Np > NA) and...
A silicon PN junction diode is constructed using N-type silicon in which the Fermi level is...
A silicon PN junction diode is constructed using N-type silicon in which the Fermi level is 100 meV below the conduction band edge and P-type silicon in which the Fermi level is 120 meV above the valence band edge a) What are the majority and minority carrier concentrations on each side of the junction under thermal equilibrium? b) What is the value of the built-in voltage? c) Determine the width of the depletion region on both sides of the junction...
XXX is 467
Design an ideal abrupt silicon PN-junction at 300 K such that the donor impurity concentration in the n-side N, = 5x1015 cm3 and the acceptor impurity concentration in the p-side N, = XXX × 1015/cm3 Assume that the diode area A-2x10-3 cm2 and 100cm work Note that the values obtained in the calculations may not be realistic as the Matric # varies greatly. The assignment is only to test your understanding, and must be handwritten Determine the...
5. For the following Metal-Semiconductor Contacts, calculate the built-in bias and depletion width, and identify the type of contact. Assume 0V bias a. Pt-Silicon (Na b. Ti-Silicon (Nd c. Cu- Silicon (Nd 1e13, Nd 1e3) le 16, Na 1e2) 1e20, Na- 1e3) 6. Sketch a Cross-Section of the following junctions, label the charge of the depletion region and polarity of forward bias. Choose the proper semiconductor and metal for each junction. N-type Tunnel MS Junction P-type Tunnel MS Junction PN...
2. Suppose you have a silicon wafer containing a p n junction. Design the doping level on the n-side so that the reverse breakdown voltage is 45 V. and the depletion widths (on the n-side and on the p-side) 3. Calculate the built-in voltage 19 in a silicon pn Junction with Na = 5x101 /cc and Nd = 1 x 10 /cc given that the junction is reverse biased at 5 V. /mi
2. Suppose you have a silicon wafer...
4. AP-N abrupt junction is formed in Silicon as follows: The P-side has a uniform acceptor concentration of 2E18/cm^3 and the N-side has a uniform donor concentration of 2E15/cm^3. (a) Find the built-in voltage, V of the P-N junction at 300K. (b) Find the width of the depletion regions in the P and N regions of the transition region for zero reverse bias and for 5V reverse bias. (c) What is the depletion capacitance per unit area with zero reverse...
2. (60 pts) Consider a one-sided silicon PN diode. The p-side is degenerately doped (and you can assume Ep = Ey for simplicity). The doping concentration on the n-side is Np for 0<x <too. The depletion width on the n-side is xn. Use the depletion approximation. p* ND x 0 From here, you assume that Np is given by 4x1015 cm. (h) (7 pts) What is the maximum electric field in depletion region when Va=-3 V? (i) (8 pts) As...
3.13 Si pn junction Consider a long pn junction diode with an acceptor doping Naof 1018 cm-3 on the p-side and donor concentration of Nj on the n-side. The diode is forward biased and has a voltage of 0.6 V across it. The diode cross-sectional area is 1 mm2. The minority carrier recombination time, T, depends on the total dopant concentration, Ndopant (cm), through the following approximate empirical relation (5x 10-7)/(1 + 2 10-17N1°pan.) where T is in seconds. (a)...
3.13 Si pn junction Consider a long pn junction diode with an acceptor doping Naof 1018 cm-3 on the p-side and donor concentration of Nj on the n-side. The diode is forward biased and has a voltage of 0.6 V across it. The diode cross-sectional area is 1 mm2. The minority carrier recombination time, T, depends on the total dopant concentration, Ndopant (cm), through the following approximate empirical relation (5x 10-7)/(1 + 2 10-17N1°pan.) where T is in seconds. (a)...
= 8.05 - 1022 - 1.21 . 1023 VD (Linear Fit) 1/C? (1/F?) 0.0 0.5 100.0 -3.5 -3.0 -2.5 -2.0 -1.5 -1.0 -0.5 Voltage (V) Figure 1: CV data for a Silicon p-n junction diode. 2. A colleague hands you CV data (capacitance vs voltage) of a silicon p-n junction diode shown in Figure 1. For this particular diode, the donor concentration on the n-side is much larger than the acceptor concentration on the p-side (i.e. Np > NA) and...
A silicon PN junction diode is constructed using N-type silicon in which the Fermi level is 100 meV below the conduction band edge and P-type silicon in which the Fermi level is 120 meV above the valence band edge a) What are the majority and minority carrier concentrations on each side of the junction under thermal equilibrium? b) What is the value of the built-in voltage? c) Determine the width of the depletion region on both sides of the junction...
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