Physics for Scientists and Engineers with Modern, Revised Hybrid (with Enhanced WebAssign Printed Access Card for Physics, Multi-Term Courses)
Physics for Scientists and Engineers with Modern, Revised Hybrid (with Enhanced WebAssign Printed Access Card for Physics, Multi-Term Courses)
9th Edition
ISBN: 9781305266292
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 43, Problem 5CQ
To determine

The physical explanation for the creation of electron-hole pair during the absorption of photon by semiconductor.

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A. Define the drift current in a semiconductor and give the mathematical expressions about both the current density of the electron drift current and the current density of the hole drift current. Define the diffusion current in a semiconductor and give the mathematical expressions about both the current density of the hole diffusion current and the current density of the electron diffusion current. B. P-N junction is given. Please: i) Draw the cross-section of this p-n junction and show the depletion region and the corresponding electrical field for an applied external voltage V # 0 volts if the positive terminal of the voltage source is connected to the n-side of the p-n junction and the negative terminal of the voltage source is connected to the p-side of this p-n junction. ii) Draw the cross-section of this p-n junction and show the depletion region and the corresponding electrical field for an applied external voltage V # 0 volts if the negative terminal of the voltage source is…
A semiconductor Hall probe has a Hall coefficient (RH) of -3.75 x 105 m³/C in the temperature range of 130 K and 350 K. Its electrical conductivity is 150 (2.m)-¹. A. Deduce, with explanation, the type of carriers in the semiconductor B. Calculate the density and mobility of the charge carriers C. Give 2 examples of Hall probe application and 2 material fabrication methods for Hall effect proves.
Question 1 (a) Semiconductors are materials which have a conductivity between conductors. Based on your knowledge, describe at least three particles that make up the atom and briefly describe the difference between n-type and p-type semiconductor materials. Classify the three particles that make up the atom and briefly describe the difference between n-type and p-type semiconductor materials. (b) Figure 1 shows a basic diode with p-type and n-type semiconductors with complete Voltage Bias. Identify the depletion region when the diode is conducted in reverse bias. With the aid of suitable diagram, briefly explain the region occur when the 5 V supply voltage is аpplied. p region n region VBIAS Figure 1 (c) Figure 2 shows the class of materials based on relative comparisons. Based on Figure 2 description, identify the materials that affected the conduction and valence band. As an engineer, explain the consequences if the atomic number of a neutral atom is 8, and the maximum number of…

Chapter 43 Solutions

Physics for Scientists and Engineers with Modern, Revised Hybrid (with Enhanced WebAssign Printed Access Card for Physics, Multi-Term Courses)

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