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← ScienceWhich outcome is magnified when two atomic force microscope tips encounter quantum tunneling in overlapping electron orbitals?
A)Increased electron localization probability
B)Enhanced tip polarization alignment
C)Exponential force gradient change✓
D)Decreased cantilever resonant frequency
💡 Explanation
An exponential force gradient results because quantum tunneling allows electrons to traverse the potential barrier. Therefore, the force between the tips sharply increases; rather than a linear increase, tunneling dominates at short distances.
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