Quantum Physics of Semiconductor Materials and Devices

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(as of Nov 27,2024 03:53:49 UTC – Details)

Publisher ‏ : ‎ Oxford University Press (August 26, 2022)
Language ‏ : ‎ English
Paperback ‏ : ‎ 896 pages
ISBN-10 ‏ : ‎ 0198856857
ISBN-13 ‏ : ‎ 978-0198856856
Item Weight ‏ : ‎ 4.2 pounds
Dimensions ‏ : ‎ 9.6 x 1.64 x 7.5 inches

Quantum Physics of Semiconductor Materials and Devices

Semiconductor materials and devices play a crucial role in modern technology, from transistors in electronic devices to solar cells and LEDs. Understanding the behavior of these materials at the quantum level is essential for developing new and improved devices.

At the heart of semiconductor physics is the concept of band theory, which describes the energy levels of electrons in a solid material. In a semiconductor, the energy levels are arranged in bands, with a band gap separating the valence band (filled with electrons) from the conduction band (empty). This band gap determines the electrical properties of the material, such as its conductivity and optical properties.

Quantum mechanics comes into play when considering the behavior of electrons within the bands. In a semiconductor, electrons exhibit wave-like behavior, with their energy levels quantized into discrete values. This leads to phenomena such as tunneling, where electrons can pass through energy barriers that would be impossible according to classical physics.

In semiconductor devices, quantum effects can have a significant impact on performance. For example, in nanoscale transistors, the behavior of individual electrons must be taken into account, leading to quantum tunneling and other effects that can limit device performance. Understanding and controlling these quantum effects is crucial for developing more efficient and reliable devices.

Overall, the study of quantum physics in semiconductor materials and devices is a fascinating and rapidly evolving field. By delving into the quantum behavior of electrons in semiconductors, researchers can unlock new possibilities for technology and push the boundaries of what is possible in the world of electronics.
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