Concept explainers
(a)
The probability of an electron that it will tunnel through the air gap from a metal to a STM probe.
Section 1:
The penetration distance of electron.
Section 2:
The probability of an electron that it will tunnel through the air gap from a metal to a STM probe.
(b)
The factor by which the tunneling current increases.
Section 1:
The probability of an electron that it will tunnel through the air gap from a metal to a STM probe.
Section 2:
The factor by which the tunneling current increases.
(c)
The smallest height change that the STM can detect.
Section 1:
The wave number.
Section 2:
The smallest height change that the STM can detect.
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