https://www.solidswiki.com/index.php?action=history&feed=atom&title=X-Ray_Diffractometers 2026-10-21T11:37:30Z Revision history for this page on the wiki MediaWiki 1.37.1 https://www.solidswiki.com/index.php?title=X-Ray_Diffractometers&diff=13637&oldid=prev 2012-12-25T13:43:40Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 07:43, 25 December 2012</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l7">Line 7:</td> <td colspan="2" class="diff-lineno">Line 7:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Please start editing this page after the /noinclude   </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; 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border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">This page </del>is <del style="font-weight: bold; text-decoration: none;">still empty</del>. <del style="font-weight: bold; text-decoration: none;">If you know something </del>about <del style="font-weight: bold; text-decoration: none;">this product</del>, <del style="font-weight: bold; text-decoration: none;">please share your knowledge with others</del>.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[File:X-ray diffractometer.JPG|thumb|right|X-Ray Diffractometers]]</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[File:X-Ray Diffractometers1.png|thumb|right|X-Ray Diffractometers]]</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''X-Ray Diffractometer'''  </ins>is <ins style="font-weight: bold; text-decoration: none;">an instrument used in studying diffraction, as in the determination of crystal structure by diffraction of X-rays.</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">An x-ray diffractometer illuminates a sample of material with x-rays of known wavelength, moving the sample and detector in order to measure the intensity of the diffracted radiation as a function of beam and sample orientation</ins>. <ins style="font-weight: bold; text-decoration: none;">From the resulting intensity versus angle plot much can be inferred </ins>about <ins style="font-weight: bold; text-decoration: none;">the structure of the material.</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">The X-ray diffractometer is used to solve various problems of X-ray diffraction analysis. It permits the intensity of radiation diffracted in a specified direction to be measured with an accuracy of tenths of a percent; diffraction angles can be measured with an accuracy of tenths of a minute. X-ray diffractometers can be used for such tasks as the phase analysis of polycrystalline objects, the investigation of textures, the orientation of single-crystal blocks, the obtaining of a complete set of intensities of reflections from a single crystal, and the structure analysis of substances under various external conditions.</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">The X-ray diffractometer consists of an X-ray source; an X-ray goniometer, in which the specimen under study is placed; a radiation detector; and an electronic measuring and recording device. Unlike X-ray cameras, which use photographic film, X-ray diffractometers use quantum counters—scintillation, proportional, semiconductor</ins>, <ins style="font-weight: bold; text-decoration: none;">or Geiger counters as [[Detectors]]. The diffraction pattern of a specimen is obtained in an X-ray diffractometer in a sequential manner: the counter moves in the process of measurement and records the radiant energy incident on it over a certain time interval. X-ray diffractometers have better accuracy, greater sensitivity, and higher speed than X-ray cameras. The process of obtaining data in an X-ray diffractometer can be completely automated, since there is no need to develop a photographic film. Such an automatic X-ray diffractometer is controlled by an electronic computer, and the data obtained are fed to the computer for processing. General purpose X-ray diffractometers can be used for different X-ray diffraction investigations by fitting attachments to the goniometric device. Large laboratories use special diffractometers designed to solve particular problems of X-ray diffraction analysis</ins>.</div></td></tr> </table>

Kodiyath https://www.solidswiki.com/index.php?title=X-Ray_Diffractometers&diff=9657&oldid=prev 2012-08-08T00:59:25Z

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