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← ScienceWhich outcome occurs when impurities distort a silicon crystal lattice?
A)Modified semiconductor band gap occurs✓
B)Increased thermal conductivity is generated
C)Enhanced electron mobility is achieved
D)Suppressed phonon vibration is caused
💡 Explanation
Introducing impurities alters the lattice, affecting electronic band structure through the mechanism of electronic band modulation, because changed doping levels can modify the allowed energy ranges; therefore, the band gap changes, rather than phonon behaviour or conductivity increases without purpose.
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