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Which outcome occurs when applying intense pulsed laser irradiation on a semiconductor?

A)Photo-induced phase transition appears
B)Increased material tensile strength appears
C)Reduced bulk heat capacity appears
D)Crystal lattice structure degradation appears

💡 Explanation

Photo-induced phase transition appears under ultra-fast pulsed laser irradiation because the excited electrons alter the interatomic forces via electronic excitation, therefore leading to a non-thermal solid-to-solid structural change, rather than the thermal effects associated with heat.

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