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Which outcome occurs when dopants are implanted within a silicon crystal lattice?

A)Fermi level shifts towards band
B)Thermal conductivity reaches zero Kelvin
C)Dielectric strength remains unchanged always
D)Phonon dispersion remains perfectly linear

💡 Explanation

The Fermi level changes due to the introduction of extra charge carriers via the doping process; this is band bending. Introducing these new energy states causes the Fermi level to shift, therefore changing conductivity, rather than maintaining dielectric strength.

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