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Undergraduate course on semiconductor device physics-I

Undergraduate course on semiconductor device physics-I

Loại khoá học: Engineering

Energy band theory of semiconductors-Transport phenomenon in electronic devices- junction diode & optoelectronic devices

image
50.000 VND
399.000 VND
Đầy Đủ Bài Giảng
Học Online Tiện Lợi
Kích Hoạt Nhanh 2-5 Phút
Thanh toán tự động
Được phép tải xuống

Tổng quan

Nội dung khoá học

Đánh giá

Mô tả

This is an undergraduate course on semiconductor device physics. This course is the first part in a series of two courses on semiconductor device physics.

For any electronics student understanding transport phenomena of charge carriers, drift current, diffusion current, energy band theory of semiconductors, electron hole pairs(EHPs), Junction formation in a diode, extending the device physics to three terminal devices like BJT and MOSFET is necessary. 

This course begins with a briefing on the fundamentals that are required to understand semiconductor device physics including some quantum physics fundamentals.

Energy band theory of semiconductors is explained with fermi Dirac distribution function. Intrinsic, extrinsic semiconductors are explained from the purview of energy band theory.

Transport phenomenon talks about mobility, conductivity, Diffusion coefficient and the most important "Einstein's relation" along with continuity equation. These topics are treated quantitatively along with the necessary qualitative analysis.

Based on this knowledge, pn junction diode theory is well explained. It covers contact potential, Maximum field intensity, charge density profile along with the necessary energy band structures in forward bias and reverse bias conditions.  The second part of junction diode theory focuses on the quantitative analysis of diode currents, diode capacitive behaviour and diode switching times.

Zener diode, opto electronic devices like photo diode, LED and solar cell are extensively covered.

The main objective of this course is quantitative and qualitative analysis of semiconductors. By the end of this course you will acquaint the theory of electronic devices.

About Author:

Mr. Udaya Bhaskar is an undergraduate university level faculty and GATE teaching faculty with more than 15 years of teaching experience. His areas of interest are semiconductors, electronic devices, signal processing, digital design and other fundamental subjects of electronics.  He trained thousands of students for GATE and ESE examinations.

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Fundamentals of semiconductor device physics

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Nội dung khoá học

5 sections

Introduction

21 lectures
Lesson-01: Introduction
07:19
Lesson-02: Field intensity and potential
10:40
Lesson-03: Electron Volt
03:41
Lesson-04: Field Vs Potential
02:28
Lesson-05: Current Density
07:21
Lesson-06: Drift current
05:52
Lesson-07: Diffusion current
04:03
Lesson-08: Metals, Semiconductors and Insulators
02:51
Lesson-09: Intrisic semiconductor
09:50
Lesson-10: Summary
02:50
Lesson-11: A small note on energies
04:29
Lesson-12: Charge carriers in a semiconductor in unit volume
02:22
Lesson-13: n-type semiconductor
05:18
Lesson-14: p-type semiconductor
03:19
Lesson-15: Atomic models
03:42
Lesson-16: Bhor atomic model
08:13
Lesson-17: Probability density function(PDF)
07:11
Lesson-18: Schrodinger's Wave equation
09:27
Lesson-19: Quantum numbers
05:29
Lesson-20: Electron distribution in Silicon
08:04
Lesson-21: Energy levels in Silicon atom
04:06

Energy Band Theory

34 lectures
Lesson-01 Introduction
01:04
Lesson-02 Energy band formation in Silicon
05:49
Lesson-03 Energy bands
08:10
Lesson-04 Energy bands explained with covalent bond structure
02:47
Lesson-05 Metals, Insulators and semiconductors
08:04
Lesson-06 Energy bands in Intrinsic semiconductor
03:23
Lesson-07 Energy bands in Extrinsic semiconductor
06:58
Lesson-08 E vs K diagram
03:02
Lesson-09 Effective Mass
07:06
Lesson-10 Effective mass of an electron in conduction band
05:05
Lesson-11 Effective mass of a hole in valence band
03:33
Lesson-12 Direct and Indirect band gap semiconductors
05:26
Lesson-13 Density of states
01:46
Lesson-14 Density of states-Derivation(Optional)
11:48
Lesson-15 density of states graphical representation
06:52
Lesson-16 Fermi Dirac distribution function-Introduction
02:22
Lesson-17 Fermi Dirac function at 0K temperature
06:44
Lesson-18 Fermi Dirac function at various temperatures
05:25
Lesson-19 Maxwell-Boltzmann approximation
02:46
Lesson-20 Equilibrium carrier concentrations
05:42
Lesson-21 Free electron concentration in conduction band-Derivation
09:10
Lesson-22 Electrons in Conduction band and Holes in Valence band
03:05
Lesson-23 Intrinsic carrier concentration-Observations and expressions
06:33
Lesson-24 Intrinsic Fermi energy level
09:12
Lesson-25 Law of mass action
09:09
Lesson-26 n-type semiconductor carrier concentration
05:15
Lesson-27 n-type semiconductor Fermi energy level
07:24
Lesson-28 p-type semiconductor-carrier concentration
12:09
Lesson-29 Freeze out and complete ionisation
08:01
Lesson-30 Partial Ionisation
03:14
Lesson-31 Compensated semiconductor
04:50
Lesson-32 Compensated semiconductor-Mathematical analysis
11:40
Lesson-33 Complete Summary of the chapter
10:14
Lesson-34 Constant Values
04:44

Transport Phenomenon of semiconductors

29 lectures
Lesson-01 Introduction
03:49
Lesson-02 Mobility
08:49
Lesson-03 Mobility- Mathematical expressions
09:08
Lesson-04 Mobility as a function of field intensity
03:42
Lesson-05 Mobility vs Temperature
07:07
Solved example-01
02:13
Lesson-06: Drift current density
06:03
Lesson-07 Drift current density and conductivity
07:40
Solved example-02
02:26
Solved example-03
03:29
Solved example-04
02:01
Solved example-05
04:28
Solved example-06
02:41
Solved example-07
05:43
Lesson-08 Resistivity
04:24
Solved example-08
04:08
Solved example-09
02:00
Lesson-09 Diffusion current density
04:31
Lesson-10 Diffusion current density derivation
06:37
Lesson-11 Total current density
03:03
Solved example-10
05:22
Solved example-11
02:59
Lesson-12 Built-in potential
07:34
Lesson-13 Einstein relation
09:55
Lesson-14 Volt equivalent of temperature
01:42
solved example-12
09:32
Solved example-13
03:43
Lesson-15 Continuity equation-I(derivation)
08:04
Lesson-16 Continuity equation-II(Steady state condition)
07:02

pn Junction diode

43 lectures
Lesson-01 Introduction
03:58
Lesson-02 pn junction formation
04:06
Lesson-03 open circuit condition in a junction diode
09:02
Lesson-04 Forward bias condition
09:12
Lesson-05 Reverse bias condition
06:07
Lesson-06 Energy band diagram in open circuit condition
10:51
Lesson-07 Contact potential derivation
09:21
Lesson-08 Charge density
08:39
Lesson-09 Field intensity
06:37
Lesson-10 Maximum field intensity-derivation
03:00
Lesson-11 Junction width vs Contact potential
07:43
Lesson-12 Doping concentration vs Junction penetration
05:07
Lesson-13 Energy band structure in Forward bias(FB)
06:02
Lesson-14 Energy band structure in Reverse bias(RB)
05:40
Lesson-15 Junction width in FB & RB conditions
03:19
Solved example-01
02:25
Solved example-02
08:38
Solved example-03
07:30
Solved example-04
05:04
Solved example-05
09:08
Lesson-16 Current components in diode
12:55
Lesson-17 Diode current equation-I(derivation)
09:24
Lesson-18 Diode current equation-II(Law of junction)
06:12
Lesson-19 Current equation-Conclusion
04:54
Lesson-20 Diode V-I characteristic curve
07:56
Solved example-06
05:54
Solved example-07
06:42
Solved example-08
08:47
Solved example-09
03:52
Solved example -10
05:00
Lesson-21 Temperature dependency
05:02
Solved example -11
02:32
solved example-12
01:14
Lesson-22 Diode resistance
04:21
Lesson-23 Diode capacitance
04:00
Lesson-24 Transition capacitance-Derivation
11:01
Lesson-25 Varactor diode
04:36
Solved example-13
03:29
Solved example-14
05:27
Lecture-26 Diffusion capacitance derivation
10:12
Lecture-27 Diode switching times part-01
09:54
Lecture-28 Diode switching times part-02
09:45
Solved example-15
03:36

Zener diode and Opto- electronic devices

47 lectures
Lecture-01 Introduction
03:34
Lecture-02 Basics of Zener diode
06:12
Lecture-03 Zener breakdown mechanism
11:38
Lecture-04 Avalanche multiplication mechanism
10:35
Lecture-05 Critical field in breakdown diodes
04:35
Lecture-06 Zener diode as voltage regulator
04:06
Solved example-01
02:57
Lecture-07 Photo electric effect
10:18
Lecture-08 Optical absorption
09:03
Lecture-09 Absorption coefficient
01:06
Lecture-10 Solved example-02
15:02
Lecture-11 Optical absorption and wave length
05:59
Lecture-12 Luminescence
07:03
Lecture-13 Excess carrier
09:15
Lecture-14 Low level injection
11:07
Lecture-15 Excess carriers Mathematical analysis
08:20
Lecture-16 Quasi fermi level
05:04
Lecture-17 solved example-03
08:48
Lecture-18 Photo detector introduction
04:26
Lecture-19 Photo conductivity
11:30
Lecture-20 Quantum efficiency
07:02
Lecture-21 Solved example-04
05:12
Lecture-22 Photo diode operation
06:05
Lecture-23 Photo diode mathematical analysis
09:25
Lecture-24 Assumptions
04:35
Lecture-25 Quantum efficiency of photodiode
07:46
Lecture-26 Responsivity
02:31
Lecture-27 Response speed
07:15
Lecture-28 P-I-N Photo diode
09:02
Solved example-05
01:07
Lecture-29 Solar cell introduction
09:44
Lecture-30 Characteristic curve
04:53
Lecture-31 solar cell-Mathematical analysis(Part-I)
07:20
Lecture-32 Solar cell-Mathematical analysis(Part-II)
08:18
Lecture-33 Efficiency and fill factor
05:30
Solved example-06
02:29
Solved example-07
05:18
Solved example-08
05:34
Solved example-09
05:13
Lecture-34 Light emitting diode(Basics)
10:00
Lecture-35 LED applications
05:01
Lecture-36 Visible LED
08:32
Lecture-37 Heterojunction structure
09:54
Lecture-38 LED quantum efficiency
08:23
Solved example-10
06:26
Solved example-11
02:18
Solved example-12
08:21

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