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← ScienceWhich outcome during semiconductor manufacturing increases when exceeding the solid solubility limit?
A)Formation of unwanted secondary phases✓
B)Enhanced dopant diffusion uniformity
C)Reduced crystal lattice strain
D)Increased band gap energy
💡 Explanation
Exceeding solid solubility leads to precipitation because atoms can no longer substitute host lattice atoms via the solid solution strengthening mechanism; therefore secondary phase formation arises, rather than increased doping, because the excess dopant forms its own distinct compound.
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