<?xml version='1.0' encoding='utf-8'?>
<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:contributor>J. R. Clark</dc:contributor>
  <dc:creator>Eric Dowty</dc:creator>
  <dc:date>1972</dc:date>
  <dc:description>&lt;div id="aep-abstract-id5" class="abstract author"&gt;&lt;div id="aep-abstract-sec-id6"&gt;&lt;p&gt;New crystal-structure refinements of&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;i&gt;Pca&lt;/i&gt;2&lt;sub&gt;1&lt;/sub&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;boracite, Mg&lt;sub&gt;3&lt;/sub&gt;ClB&lt;sub&gt;7&lt;/sub&gt;O&lt;sub&gt;13&lt;/sub&gt;, and&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;i&gt;R&lt;/i&gt;ϵ&lt;i&gt;c&lt;/i&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;ericaite, Fe&lt;sub&gt;2.4&lt;/sub&gt;Mg&lt;sub&gt;0.6&lt;/sub&gt;ClB&lt;sub&gt;7&lt;/sub&gt;O&lt;sub&gt;13&lt;/sub&gt;, show that some boron and oxygen atoms are involved in the ‘ferro’ transitions as well as the metal and halogen atoms. The atomic displacements associated with the polarity changes are as large as 0.6Å.&lt;/p&gt;&lt;/div&gt;&lt;/div&gt;&lt;div id="aep-abstract-id7" class="abstract author" lang="fr"&gt;&lt;br&gt;&lt;/div&gt;</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.1016/0038-1098(72)90063-4</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>Elsevier</dc:publisher>
  <dc:title>Atomic displacements in ferroelectric trigonal and orthorhombic boracite structures</dc:title>
  <dc:type>article</dc:type>
</oai_dc:dc>