Essentials of Semiconductor Device Physics

Price: $71.00
(as of Dec 15,2024 12:44:48 UTC – Details)

ASIN ‏ : ‎ B0B543VRVY
Publisher ‏ : ‎ Wiley; 1st edition (June 24, 2022)
Publication date ‏ : ‎ June 24, 2022
Language ‏ : ‎ English
File size ‏ : ‎ 13716 KB
Simultaneous device usage ‏ : ‎ Up to 3 simultaneous devices, per publisher limits
Text-to-Speech ‏ : ‎ Enabled
Screen Reader ‏ : ‎ Supported
Enhanced typesetting ‏ : ‎ Enabled
X-Ray ‏ : ‎ Not Enabled
Word Wise ‏ : ‎ Enabled
Print length ‏ : ‎ 222 pages

Semiconductor devices play a crucial role in modern technology, powering everything from smartphones to computers to solar panels. Understanding the physics behind these devices is essential for designing and optimizing their performance. Here are some key essentials of semiconductor device physics:

1. Band theory: Semiconductor materials have a unique band structure that determines their electrical properties. The valence band is filled with electrons, while the conduction band is empty. When a voltage is applied, electrons can be excited from the valence band to the conduction band, creating a flow of current.

2. Carrier concentration: The number of charge carriers (electrons and holes) in a semiconductor material determines its conductivity. Doping, the intentional introduction of impurities, can increase or decrease the carrier concentration and control the material’s electrical properties.

3. PN junction: A PN junction is a boundary between two different types of semiconductor materials, one doped with electron donors (N-type) and the other doped with electron acceptors (P-type). The junction creates a depletion region where electrons and holes recombine, leading to the formation of a built-in electric field.

4. Diode operation: A semiconductor diode is a two-terminal device that allows current to flow in one direction but not the other. When forward biased, the diode conducts electricity due to the injection of carriers across the PN junction. When reverse biased, the depletion region widens, preventing current flow.

5. MOSFETs: Metal-oxide-semiconductor field-effect transistors (MOSFETs) are key components in modern integrated circuits. They consist of a gate electrode separated from the semiconductor channel by an insulating oxide layer. By applying a voltage to the gate, the conductivity of the channel can be controlled, allowing for amplification and switching functions.

Understanding these fundamental concepts of semiconductor device physics is essential for engineers and researchers working in the field of semiconductor technology. By mastering these principles, they can design more efficient and reliable devices that power the technologies of the future.
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