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Reference.org
Relaxor ferroelectric
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<p>Relaxor ferroelectrics are <a href="/facts/Ferroelectric/DLVYFNQT">ferroelectric</a> materials that exhibit high <a href="/facts/Electrostriction/1fFVDqWl">electrostriction</a>. As of 2015<a href="https://en.wikipedia.org/w/index.php?title=Relaxor_ferroelectric&action=edit">[update]</a>, although they have been studied for over fifty years, the mechanism for this effect is still not completely understood, and is the subject of continuing research. </p><p>Examples of relaxor ferroelectrics include: </p> <ul><li><a href="/facts/Lead_magnesium_niobate/DEI5VabI">lead magnesium niobate</a> (PMN) </li> <li>lead magnesium niobate-lead titanate (PMN-PT) </li> <li>lead lanthanum zirconate titanate (PLZT)</li> <li>lead scandium niobate (PSN) </li> <li>Barium Titanium-Bismuth Zinc Niobium Tantalum (BT-BZNT)</li> <li>Barium Titanium-Barium Strontium Titanium (BT-BST) </li></ul>