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← ScienceWhich outcome occurs when a scanning tunneling microscope's wavefunction overlap degrades?
A)Decreased tunneling current sensitivity✓
B)Increased sample surface temperature
C)Enhanced atomic resolution imaging
D)Reduced piezoelectric scanner accuracy
💡 Explanation
Decreased tunneling current sensitivity occurs because the tunneling current relies on electron wavefunctions overlapping between tip and sample—a diminished overlap from poor maintenance reduces electron transmission, lowering the current. Therefore sensitivity decreases, rather than temperature increasing or resolution improving.
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