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← ScienceWhich outcome occurs when mismatched crystalline semiconductor layers grow?
A)Formation of threading dislocations✓
B)Increased electron-hole recombination
C)Suppression of quantum tunneling
D)Enhanced radiative heat transfer
💡 Explanation
The unequal lattice constants result in strain; therefore, threading dislocations form, due to strain relief via introduction of line defects in the crystal rather than uniform compression because that would require higher energy input.
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