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← ScienceWhich mechanism allows increased carrier mobility within indium antimonide crystals?
A)Decreased ionized impurity scattering rate✓
B)Increased crystal defect density
C)Enhanced phonon scattering amplitudes
D)Dominant alloy scattering processes
💡 Explanation
Decreased ionized impurity scattering elevates carrier mobility because the Coulombic interactions impede carrier motion through the crystal lattice; therefore mobility increases rather than decreasing, due to reduced scattering, rather than other phonon modes increasing scattering.
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