Alloy scattering in quantum wires

Nag, B. R. ; Gangopadhyay, Samita (1998) Alloy scattering in quantum wires Semiconductor Science and Technology, 13 (4). pp. 417-422. ISSN 0268-1242

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Alloy scattering is studied for quantum wires of Ga0.47In0.53As/InP, Ga0.47In0.53As/AI0.48In0.52As, Ga/As/AI0.3Ga0.7As and GaAs/Ga0.5In0.5P systems. Electron mobility is also evaluated for different dimensions of these structures for the temperatures of 40, 77 and 300 K. It is found that alloy-scattering-limited mobility is lower than acoustic-phonon-scattering-limited mobility in Ga0.47In0.53As systems. Even in GaAs systems alloy scattering is significant for wire diameters less than 10 nm.

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