The mobility of electrons in pure GaAs at 300 K is 8500 cm/V-s. Calculate the relaxation...

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The mobility of electrons in pure GaAs at 300 K is 8500 cm²/V-s. Calculate the relaxation time (i.e mean free time). If the GaAs sample is doped at N-107 cm³, the mobility decreases to 5000 cm²/V-s. Calculate the mobility and relaxation time due to ionized impurity scattering. Assume me=0.067m. The mobility of electrons in pure GaAs at 300 K is 8500 cm²/V-s. Calculate the relaxation time (i.e mean free time). If the GaAs sample is doped at N-107 cm³, the mobility decreases to 5000 cm²/V-s. Calculate the mobility and relaxation time due to ionized impurity scattering. Assume me=0.067m.