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Understanding Scattering Mechanisms in Semiconductors

Intervalley scattering plays a crucial role in electron relaxation in direct and indirect bandgap semiconductors. In direct bandgap materials like GaAs, intervalley scattering affects hot electron transport properties, while in indirect bandgap semiconductors like Si, it contributes significantly to momentum and energy relaxation. Additionally, the interaction of electrons with impurities, such as charged ions, leads to elastic scattering which can be quantified using classical and quantum mechanical approaches.

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Understanding Scattering Mechanisms in Semiconductors

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