Why can't we replace x-rays with electron beam?

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Gangi Setti Srinivasu

http://pruffle.mit.edu/atomiccontrol/education/xray/xray_diff.php

try read above information from above site, it may help u...

Priyanka Kajal

but if we use radiation of wavelength below atomic level then we get better results.....

Ian J Slipper

try this page for an answer...

http://www.microscopy.ethz.ch/ED-XRD.htm

Gerhard Martens

Yes, we can,

but not the same electron beam, just a modified one.

It is a matter of penetration depth (x-rays vs electrons) and complexity and sensitivity of the experimental system, but also the handling. For the case of electrons please look for LEED on RHEED in the literature.