1. Introduction to Compound Semiconductors
Compound semiconductors offer improved electronic and optical properties compared to elemental semiconductors, making them crucial for high-frequency and high-power applications. Their historical evolution showcases significant advancements from the mid-20th century to present day, with applications spanning telecommunications, energy, and emerging technologies like quantum computing. The advantages and limitations of compound semiconductors highlight their potential in modern electronics while also addressing challenges in cost and fabrication.
Sections
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What we have learnt
- Compound semiconductors are formed by combining multiple elements, notably from Groups III-V and II-VI of the periodic table.
- They provide superior characteristics such as high electron mobility and wide bandgap suitable for various applications.
- They play an important role in future technologies, including 5G, integrated photonics, and green energy.
Key Concepts
- -- Compound Semiconductors
- Materials created by combining two or more elements for better electronic and optical properties.
- -- Electron Mobility
- The capability of electrons to move through a semiconductor, allowing faster switching speeds.
- -- Wide Bandgap
- A property of semiconductors that enables them to withstand high voltages and temperatures, useful for power electronics.
- -- Direct Bandgap
- Allows semiconductors to emit light efficiently, essential for applications like LEDs and lasers.
- -- Radiation Hardness
- The ability of materials to withstand high levels of radiation, important for aerospace and defense applications.
Additional Learning Materials
Supplementary resources to enhance your learning experience.