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Which consequence results when increased grain boundaries affect semiconductor material bands?

A)Increased electron-phonon scattering occurs
B)Improved thermal vibration stability
C)Reduced electron-hole recombination events
D)Enhanced long-range magnetic ordering

💡 Explanation

Increased grain boundaries introduce more defects; therefore, the increased disorder enhances electron-phonon scattering because the periodicity of the crystal lattice is disrupted, leading to more interactions, rather than improved stability.

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