The Röntgen Radiation and its application in studies of ... - Mansic
The Röntgen Radiation and its application in studies of ... - Mansic
The Röntgen Radiation and its application in studies of ... - Mansic
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Figure 8. Graphic <strong>in</strong>terpretation <strong>of</strong> the Miller <strong>in</strong>dices<br />
Figure 9. Several atomic planes <strong>and</strong> their Miller <strong>in</strong>dexes <strong>in</strong> a cubic unit cell<br />
6. Basics <strong>of</strong> Bragg-Brentano geometry<br />
<strong>The</strong> Bragg-Brentano geometry is frequently used like a tool for the most <strong>of</strong> the<br />
diffractometers. This geometry was applied <strong>in</strong> analytical <strong>in</strong>strument -<br />
diffractometer (Figure 10), which was an <strong>in</strong>genious <strong>in</strong>vention. It is a commonly<br />
used <strong>in</strong>strument where the samples reveal polycrystall<strong>in</strong>e nature.<br />
<strong>The</strong> Bragg-Brentano diffractometer comb<strong>in</strong>es a high efficiency with high<br />
resolution.<br />
Figures 11 <strong>and</strong> 12 present the Bragg-Brentano geometry for X-ray beam focus<strong>in</strong>g<br />
<strong>and</strong> <strong>its</strong> pr<strong>in</strong>ciple. <strong>The</strong> ma<strong>in</strong> idea is that, focus <strong>of</strong> the X-ray tube, sample <strong>and</strong><br />
detector are placed on the same focus<strong>in</strong>g circle.<br />
Physics <strong>of</strong> Advanced Materials W<strong>in</strong>ter School 2008 10
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