please draw band diagram correctly A silicon metal-semiconductor diode (i.e. a rectifying junction) is illuminated with light, such that electron-holepairs are generated in the semiconductor. Assume room temperature operation. Assume the semiconductoris doped n-type. In your energy band diagrams, you can draw/label the Fermi levels on the metal andsemiconductor ends separately as EFM and Eps like in lecture slide 20.(a) Draw the energy band diagram for the illuminated diode when the terminals of the diode are short-circuited.Describe what happens to the photogenerated carriers near the metal-semiconductor interface. Isthere net current through the diode? If so, in which direction does the current flow?(b) Draw the energy band diagram for the illuminated diode when the terminals of the diode are inopen-circuit conditions. Briefly describe the different mechanisms of current flow in this scenario. Onyour energy band diagram, label the direction in which each type of current flows. Is there net currentthrough the diode? If so, in which direction does the current flow?

the reasoning and provide the band diagrams conceptually for both (a) the short-circuit condition…

Answered: A silicon metal-semiconductor diode…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Consider the circuit with three diodes and a AC input, as shown below: D2 R1 D1 D3 R2 Assume that the input AC voltage is Ttsin(100TTT). You may consider the diodes to be ideal. mean voltage generated across resistor R2 is (assuming current direction to be from AC so into R1, through diode network, and through R2 from top to bottom): O a. 0.5V Ob. -0.5V O c. 1V O d. OV
1- Explain briefly with figure if exist, the Degenerate semiconductors. 2- When a diode is connected in a Reverse Bias condition, the overall result is a small ne current. Why?
Take a diode formed by the junction of two type n and p semiconductors. In the figure below is the diagram of the energy bands of these semiconductors, (remember the concept of fermi energy, and knowing that for a pure semiconductor it is in the middle). Based on the figures below, answer a) What is the possible current direction in the direction from p to n or from n to p? b) Explain why the current flow occurs only in one direction.
a) Use the diode’s characteristic equation,ID=Is exp(VD/VT), to determine the currentsourceIso that the output voltage is 1.5 V. b) If a load is attached to the output that draws 1 mA, what is the output voltage? c) If the circuit heats up to 40◦C, what is the output voltage without a load?
A p-type semiconductor joined to an n-type semiconductor ... Pick those that apply. Will not allow current to flow in either direction. Has electron current flowing from the n-type to the p-type material Makes a diode Allows positive current flow from the p-type to the n-type material
Which statement(s) is (are) true about a P-N junction: A. P-N junction consists of n-type and p-type semiconductor materials.B. Free electrons in n-type diffuse across junction to p-type.C. A depletion region formation happens due to electrons and holes moving away from each other due to the electric field.
When a p-and n-type semiconductor are joined at an interface their Fermi energies equilibriate. If we extend this thinking and apply it to an interface between a metal and (p-or n-type) semiconductor to make a metal-semiconductor heterojunction, what will the expected outcome be? Use diagrams and words to explain.
5. Suppose we are given a pn diode, and we apply the applied voltage Vapp to the n-type and ground the p-type. In this case, we would consider positive current I to point from the voltage source node to the ground node. Under these conditions, plot I vs. Vapp for the diode, and label three points representing zero bias, forward bias, and reverse bias. Between a forward bias of 0.65 V and 0.75 V, what multiplicative factor increase do we expect in 1? I Vapp
Discuss in detail the formation of a conventional current in a semiconductor. Butress your submission with a suitable diagram, also indicate the direction of holes, electron and current.
Four diodes and one Zener diode are connected to form the circuit below. a) Describe how a single diode behaves when forward biased. 5) draw the output as the input changes from -12 V to +12 V. Assume that all diodes can be represented by a constant-voltage of 0.6 V (in forward bias) and the Zener diode has a breakdown voltage of 6.8 V. d) What is the function of the circuit? Suggest a proper application. I kN Da Dr
Draw the characteristic curve of the standard PN-coupled semiconductor diode.Specify the correct and reverse polarity zones on the curve and draw the appropriate connection shapes.After mark the critical points on this curve and explain what these points mean.
a) What is n-type semiconductor materials? What are the majority and the minority cariers? b) What is p-type semiconductor materials? What are the majority and the minority cariers? c) What is depletion region of a p-n junction diode? d) Describe in your own words the forward-bias and reverse- bias conditions of a p-n junction diode. e) Draw a Diode Symbol and label the anode and the cathode. Si Ge 2 ka f) Find V, in the circuit shown in +20 V 2 k2 15V Fig. Fuad Al-Mannai EENG261 Page 1

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