{"id":597382,"date":"2019-03-26T10:56:45","date_gmt":"2019-03-26T14:56:45","guid":{"rendered":"https:\/\/www.sciencedaily.com\/releases\/2019\/03\/190326105645.htm"},"modified":"2019-03-26T10:56:45","modified_gmt":"2019-03-26T14:56:45","slug":"first-explanation-for-mechanism-behind-magnetism-driven-nte-derived-in-40-years","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=597382","title":{"rendered":"First explanation for mechanism behind magnetism-driven NTE derived in 40 years"},"content":{"rendered":"<p>Most materials expand upon heating and contract upon cooling. Some behave inversely, a phenomenon known as negative thermal expansion (NTE). NTE observed in inverse perovskite antiferromagnets Mn3AN had remained unexplained for the past 40 years. However, a recent study by scientists successfully provided a theoretical explanation to this mechanism. When turn into practical use, this could help developers build more durable and heat-resistant small machine parts &#8212; found commonly in optical, measuring and other devices. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Most materials expand upon heating and contract upon cooling. Some behave inversely, a phenomenon known as negative thermal expansion (NTE). NTE observed in inverse perovskite antiferromagnets Mn3AN had remained unexplained for the past 40 years. Howev&#8230;<\/p>\n","protected":false},"author":61,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-597382","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/597382","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/61"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=597382"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/597382\/revisions"}],"predecessor-version":[{"id":597383,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/597382\/revisions\/597383"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=597382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=597382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=597382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}