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← ScienceWhich mechanism causes spontaneous alloying when nanosized films contact?
A)Electron tunneling minimizes surface energy✓
B)Vibrational modes disrupt lattice spacing
C)Thermal expansion induces interdiffusion
D)Quantum entanglement accelerates atomic diffusion
💡 Explanation
Electron tunneling allows electrons to exist in classically forbidden regions, minimizing the total surface energy of the system, and favoring alloy formation. Therefore, electron tunneling contributes to alloying rather than vibrational, thermal, or entanglement-based effects.
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