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Semi 4 Ex Sol 9

The document contains exercise solutions for Chapter 9 of 'Semiconductor Physics and Devices: Basic Principles, 4th edition' by D. A. Neamen. It includes various exercises related to semiconductor physics, such as calculations for pn junctions and Schottky diodes. The solutions provide detailed steps and results for each exercise.

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Raihan Siddik
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33 views4 pages

Semi 4 Ex Sol 9

The document contains exercise solutions for Chapter 9 of 'Semiconductor Physics and Devices: Basic Principles, 4th edition' by D. A. Neamen. It includes various exercises related to semiconductor physics, such as calculations for pn junctions and Schottky diodes. The solutions provide detailed steps and results for each exercise.

Uploaded by

Raihan Siddik
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOC, PDF, TXT or read online on Scribd
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Semiconductor Physics and Devices: Basic Principles, 4th edition Chapter 9

By D. A. Neamen Exercise Solutions


______________________________________________________________________________________

Chapter 9

Exercise Solutions _______________________________________

Ex 9.1
V

Ex 9.3
V

cm

(a) V, V
cm

V/cm
_______________________________________

Ex 9.2
From Figure 9.3, V/cm
V
Then

V
Then (b) V,
cm

or cm V/cm
Semiconductor Physics and Devices: Basic Principles, 4th edition Chapter 9
By D. A. Neamen Exercise Solutions
______________________________________________________________________________________
A
_______________________________________

Ex 9.7
V We have
_______________________________________

Ex 9.4

Assume , then
cm

or
A/K -m _______________________________________
A/K -cm
_______________________________________ Ex 9.8
From Example 9.8, eV.
Ex 9.5 We find

cm

so that
Now
For the pn junction:

V
For the Schottky junction:

or V
V
_______________________________________ _______________________________________

Ex 9.6
Test Your Understanding Solutions

TYU 9.1
(a) V

(b)

Then

V
Semiconductor Physics and Devices: Basic Principles, 4th edition Chapter 9
By D. A. Neamen Exercise Solutions
______________________________________________________________________________________
(d)
V

(c)

or F/cm
_______________________________________

TYU 9.3
or cm
Then

or V

or V/cm

(d)

or cm
_______________________________________
or F/cm
TYU 9.4
_______________________________________

TYU 9.2
(a) V
Then
(b) V

V (a) For the pn junction diode

(c)
V
For the Schottky diode

or cm
Now
V

or V/cm

(b) For the pn junction diode


Semiconductor Physics and Devices: Basic Principles, 4th edition Chapter 9
By D. A. Neamen Exercise Solutions
______________________________________________________________________________________

For the Schottky diode

_______________________________________

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