X-ray Diffraction (XRD)






Basic Theory: X-rays


1.  Is water or Cr a better absorber of X-rays?

2.  What effect does the wavelength of the X-ray sources have on penetration of X-rays?

Try the following demonstration below to help in answering these questions:

Click on Image (Note this will open in a new window)

Applet from: (

In addition to adsorption, X-rays can also be scattered and diffracted by a material.


1. What do you think makes something scatter vs. diffract?

Let’s take a look at the next section on Diffraction to Learn More.

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Celeste Morris, Bradley Sieve and Heather Bullen, Department of Chemistry, Northern Kentucky University, Highland Heights, KY 41099