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A3. (a) Draw a band diagram and a cross-sectional diagram of an abrupt p-n junction0Marks] with N...
P3. For an ideal abrupt silicon (Si) P*N diode with doping concentrations Na = 1 x...
P3. For an ideal abrupt silicon (Si) P*N diode with doping concentrations Na = 1 x 107 cm3 and N 1 x 105 cm. (a) Find the stored minority carriers density in the N-side neutral region (infinitely long comparing with Lp and Ln) when a forward bias of 1 V is applied. (b) Calculate the hole current density in the region of (a) at x, 0. (Assume the average diffusion length of hole is 5 um the average carrier life...
P3. For an ideal abrupt silicon (Si) P*N diode with doping concentrations Na = 1 x...
P3. For an ideal abrupt silicon (Si) P*N diode with doping concentrations Na = 1 x 107 cm3 and N 1 x 105 cm. (a) Find the stored minority carriers density in the N-side neutral region (infinitely long comparing with Lp and Ln) when a forward bias of 1 V is applied. (b) Calculate the hole current density in the region of (a) at x, 0. (Assume the average diffusion length of hole is 5 um the average carrier life...
Problem 4 (25 points) Consider a silicon pn junction at T-300 K, NA-ND- 1x101° cm3. The minority ...
Problem 4 (25 points) Consider a silicon pn junction at T-300 K, NA-ND- 1x101° cm3. The minority carrier lifetimes are τ n-0.01 μs and τ p-0.01 us. The junction is forwardbiased with Va 0.6V. The minority carrier diffusion coefficients are Dn-20 cm s, Dp 10 cm Is. n.-1.5x 1010 cm-3 Depletion region n-type p-type a) (10 points) Calculate the excess electron concentration as a function of x in the p side (see the figure above). b) (5 points) Calculate the...
Problem 4 (25 points) Consider a silicon pn junction at T-300 K, NA-ND- 1x101° cm3. The minority ...
Can someone help solve this question step by step? Thanks!
Problem 4 (25 points) Consider a silicon pn junction at T-300 K, NA-ND- 1x101° cm3. The minority carrier lifetimes are τ n-0.01 μs and τ p-0.01 us. The junction is forwardbiased with Va 0.6V. The minority carrier diffusion coefficients are Dn-20 cm s, Dp 10 cm Is. n.-1.5x 1010 cm-3 Depletion region n-type p-type a) (10 points) Calculate the excess electron concentration as a function of x in the p...
Biased Sip-n junction A Si p-n junction with area of 0.001 cm* is formed with an acceptor concent...
Biased Sip-n junction A Si p-n junction with area of 0.001 cm* is formed with an acceptor concentration of Na 1x1015 cm3 on the p-side and a donor concentration of Na- 1x10" cmon the n-side. Calculate at 300 K (a) the diffusion voltage VD (b) the space charge width at equilibrium and with zero bias (c) the current with forward bias of 0.5 eV. Assume that the current is diffusion dominated. The electron and hole mobilities are ln-1500 cm2/(Vs) and...
Consider a silicon pn step junction diode with NA-1x1018 cm3 and No 1x1017cm-3, maintained at T...
Consider a silicon pn step junction diode with NA-1x1018 cm3 and No 1x1017cm-3, maintained at T 300K. The minority carrier lifetimes in the p-side and n-side are τη-10-8 s and Tp-10-7 s, respectively. a) Calculate the minority carrier densities at the edges of the depletion region when the applied voltage (VA) is 0.6 V. of the junction, for the applied bias voltage of part (a) densities are equal in magnitude, for the applied voltage of part (a). b) Sketch the...
Problem 4 (25 points) Consider a silicon pn junction at T 300 K, NA ND-1x1016 cm3....
Problem 4 (25 points) Consider a silicon pn junction at T 300 K, NA ND-1x1016 cm3. The minority carrier lifetimes are τ -0.01 μs and τΡ 0.01 μ. The Junction is forwardbiased with , V,-0.6V. The minority carrier diffusion coefficients are D,-20 cm2/s, D,-10 cm2/s. n, = 1.5x 1010cm -3 Depletion region n-type p-type a) (10 points) Calculate the excess electron concentration as a function of x in the p side (see the figure above). b) (5 points) Calculate the...
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...
Problem 3 (25 points) Consider a silicon pn junction at T - 300 K, NA- 1016 cm3, ND-5x1016 cm-3. The minority carrier lifetimes are τα , τ,-1 us. The junction is forward biased with Va-0.5V The minor...
Problem 3 (25 points) Consider a silicon pn junction at T - 300 K, NA- 1016 cm3, ND-5x1016 cm-3. The minority carrier lifetimes are τα , τ,-1 us. The junction is forward biased with Va-0.5V The minority carrier diffusion coefficients are D 25 cm/s, Da- 10 cm2/s n,1.5x1010 cm3 kT 0.0267 Depletion region p-type n-type a) (5 points) Calculate the excess electron concentration as a function of x in the p-side (see the figure above) b) (10 points) Calculate the...
this is a problem of semiconductor device and fundamentals. Problem 4: pn Junction Current Distributions Consider a...
this is a problem of semiconductor device and
fundamentals.
Problem 4: pn Junction Current Distributions Consider a Si pn step junction diode maintained at room temperature, with p-side and n-side dopant concentrations NA 1016 cm3 and Np-2x1016 cm3, respectively. (You may assume that each side is uncompensated.) The minority carrier recombination lifetimes are τ,-10-6 s and τ,-10-7 s on the p-side and n-side, respectively a) Calculate the minority carrier densities at the edges of the depletion region when the applied...
P3. For an ideal abrupt silicon (Si) P*N diode with doping concentrations Na = 1 x 107 cm3 and N 1 x 105 cm. (a) Find the stored minority carriers density in the N-side neutral region (infinitely long comparing with Lp and Ln) when a forward bias of 1 V is applied. (b) Calculate the hole current density in the region of (a) at x, 0. (Assume the average diffusion length of hole is 5 um the average carrier life...
P3. For an ideal abrupt silicon (Si) P*N diode with doping concentrations Na = 1 x 107 cm3 and N 1 x 105 cm. (a) Find the stored minority carriers density in the N-side neutral region (infinitely long comparing with Lp and Ln) when a forward bias of 1 V is applied. (b) Calculate the hole current density in the region of (a) at x, 0. (Assume the average diffusion length of hole is 5 um the average carrier life...
Problem 4 (25 points) Consider a silicon pn junction at T-300 K, NA-ND- 1x101° cm3. The minority carrier lifetimes are τ n-0.01 μs and τ p-0.01 us. The junction is forwardbiased with Va 0.6V. The minority carrier diffusion coefficients are Dn-20 cm s, Dp 10 cm Is. n.-1.5x 1010 cm-3 Depletion region n-type p-type a) (10 points) Calculate the excess electron concentration as a function of x in the p side (see the figure above). b) (5 points) Calculate the...
Can someone help solve this question step by step? Thanks!
Problem 4 (25 points) Consider a silicon pn junction at T-300 K, NA-ND- 1x101° cm3. The minority carrier lifetimes are τ n-0.01 μs and τ p-0.01 us. The junction is forwardbiased with Va 0.6V. The minority carrier diffusion coefficients are Dn-20 cm s, Dp 10 cm Is. n.-1.5x 1010 cm-3 Depletion region n-type p-type a) (10 points) Calculate the excess electron concentration as a function of x in the p...
Biased Sip-n junction A Si p-n junction with area of 0.001 cm* is formed with an acceptor concentration of Na 1x1015 cm3 on the p-side and a donor concentration of Na- 1x10" cmon the n-side. Calculate at 300 K (a) the diffusion voltage VD (b) the space charge width at equilibrium and with zero bias (c) the current with forward bias of 0.5 eV. Assume that the current is diffusion dominated. The electron and hole mobilities are ln-1500 cm2/(Vs) and...
Consider a silicon pn step junction diode with NA-1x1018 cm3 and No 1x1017cm-3, maintained at T 300K. The minority carrier lifetimes in the p-side and n-side are τη-10-8 s and Tp-10-7 s, respectively. a) Calculate the minority carrier densities at the edges of the depletion region when the applied voltage (VA) is 0.6 V. of the junction, for the applied bias voltage of part (a) densities are equal in magnitude, for the applied voltage of part (a). b) Sketch the...
Problem 4 (25 points) Consider a silicon pn junction at T 300 K, NA ND-1x1016 cm3. The minority carrier lifetimes are τ -0.01 μs and τΡ 0.01 μ. The Junction is forwardbiased with , V,-0.6V. The minority carrier diffusion coefficients are D,-20 cm2/s, D,-10 cm2/s. n, = 1.5x 1010cm -3 Depletion region n-type p-type a) (10 points) Calculate the excess electron concentration as a function of x in the p side (see the figure above). b) (5 points) Calculate the...
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...
Problem 3 (25 points) Consider a silicon pn junction at T - 300 K, NA- 1016 cm3, ND-5x1016 cm-3. The minority carrier lifetimes are τα , τ,-1 us. The junction is forward biased with Va-0.5V The minority carrier diffusion coefficients are D 25 cm/s, Da- 10 cm2/s n,1.5x1010 cm3 kT 0.0267 Depletion region p-type n-type a) (5 points) Calculate the excess electron concentration as a function of x in the p-side (see the figure above) b) (10 points) Calculate the...
this is a problem of semiconductor device and
fundamentals.
Problem 4: pn Junction Current Distributions Consider a Si pn step junction diode maintained at room temperature, with p-side and n-side dopant concentrations NA 1016 cm3 and Np-2x1016 cm3, respectively. (You may assume that each side is uncompensated.) The minority carrier recombination lifetimes are τ,-10-6 s and τ,-10-7 s on the p-side and n-side, respectively a) Calculate the minority carrier densities at the edges of the depletion region when the applied...
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