The “herringbone” pattern formed by atoms on a gold to relieve stress seen with a Unisoku scanning tunneling microscope at the Center for Nanophase Materials Sciences
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/37940997@N05">Oak Ridge National Laboratory</a>
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/oakridgelab/39467870425/">Atoms of BaMnSb2</a>