Lecture 15: XRD and Other Analytical Techniques X-Ray Diffraction ...
Lecture 15: XRD and Other Analytical Techniques X-Ray Diffraction ...
Lecture 15: XRD and Other Analytical Techniques X-Ray Diffraction ...
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Scanning Tunnelling Microscopy (STM)<br />
!<br />
* look at electronic structure of surface<br />
* position tip over point, ramp voltage<br />
* negative sample bias: electrons tunnel from sample to tip<br />
* measure tunneling current<br />
* can’t be used on insulators