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| Recap |
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this lecture you have learnt the following |
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Summary |
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In this lecture you have been introduced to the X- ray diffraction method. The diffraction pattern from adjacent layers of a crystal can be used to get the distance between these layers using Bragg's law. Miller indices are interesting ways of characterizing lattice planes containing atoms /ions or molecules of the crystal and equation 18.7 gives the distance between adjacent layers of an orthorhombic crystal. For less symmetric crystals too, equivalent formulae can be derived. We have also considered in this lecture several numerical examples that use Bragg's law to obtain interplanar distances in a crystal. |
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Congratulations, you have finished Lecture 18 . To view the next lecture select it from the left hand side menu of the page |
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