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Which outcome increases sensitivity in Scanning Tunneling Microscopy when the probe orbital overlaps with the sample?

A)Increased tunneling current magnitude
B)Decreased probe-sample distance
C)Reduced surface plasmon resonance
D)Enhanced thermoelectric voltage noise

💡 Explanation

Increased tunneling current magnitude results because quantum mechanical tunneling is exponentially sensitive to wave function overlap, therefore the enhanced overlap boosts electron flux, rather than affecting distance, plasmons, or thermoelectric properties.

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