Diffuse Scattering - Spallation Neutron Source - Oak Ridge National ...
Diffuse Scattering - Spallation Neutron Source - Oak Ridge National ...
Diffuse Scattering - Spallation Neutron Source - Oak Ridge National ...
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Krivoglaz classified defects by effect on Bragg Peak<br />
• Defects of 1st kind<br />
– Atomic displacements remain finite<br />
– Bragg width unchanged<br />
– Bragg intensity decreased<br />
– <strong>Diffuse</strong> redistributed in reciprocal<br />
space<br />
• Defects of 2nd kind<br />
– No longer distinct Bragg peaks<br />
– Displacements continue to grow with<br />
crystal size<br />
Intensity<br />
No defects<br />
<br />
Defects of 1st kind<br />
Defects of 2nd kind