Question: Refer to Example 28.6. Estimate the percentage change in the tunneling current if the distance between the sample surface and the STM tip increases 2.0%.

Refer to Example 28.6. Estimate the percentage change in the tunneling current if the distance between the sample surface and the STM tip increases 2.0%.
Example 28.6

(28-18) 2x9.109x 10 kgx(200 eVx 1.602 x 109 J/ev) (6.626 10-34 J. s/(2n]2 = 7.245 x 109 m-1 Al

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