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← ScienceWhich atomic behavior occurs when semiconductors are doped?
A)Impurity scattering lowers conductivity
B)Band gap energy levels are modified✓
C)Exciton formation blocks phonon transfer
D)Ferromagnetism induces spinodal decomposition
💡 Explanation
Doping changes the crystal lattice, therefore altering its band structure because impurity atoms introduce energy levels within the band gap depending on the dopant concentration that allows for enhanced conductivity, rather than preventing phonon transfer or inducing magnetism.
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