{"id":191389,"date":"2024-06-18T00:26:20","date_gmt":"2024-06-18T05:26:20","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2024\/06\/strange-metal-state-discovered-in-hydrogen-rich-compound-of-lanthanum-under-pressure"},"modified":"2024-06-18T00:26:20","modified_gmt":"2024-06-18T05:26:20","slug":"strange-metal-state-discovered-in-hydrogen-rich-compound-of-lanthanum-under-pressure","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2024\/06\/strange-metal-state-discovered-in-hydrogen-rich-compound-of-lanthanum-under-pressure","title":{"rendered":"Strange metal state discovered in hydrogen-rich compound of lanthanum under pressure"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/strange-metal-state-discovered-in-hydrogen-rich-compound-of-lanthanum-under-pressure3.jpg\"><\/a><\/p>\n<p>Researchers from Skoltech, Jilin University and Beijing HPSTAR in China, and their German colleagues have synthesized and studied a new type of hydrogen-rich superconductor. Technically referred to as an A15-type lanthanum superhydride, with the formula La<sub>4<\/sub>H<sub>23<\/sub>, it shows superconductivity below minus 168 degrees Celsius at a pressure of 1.2 million atmospheres. The research results were <a href=\"https:\/\/doi.org\/10.1093\/nsr\/nwae149\" target=\"_blank\">published<\/a> in the National Science Review.<\/p>\n<p>Polyhydrides are a novel class of compounds synthesized at about 1 million times the normal atmospheric pressure on Earth. They can exhibit unique superconducting properties with record-high critical temperatures of up to-23 C in lanthanum decahydride LaH<sub>10<\/sub>, critical magnetic fields reaching 300 tesla, and critical current densities.<\/p>\n<p>Even compared to other similar hydrides, the newly discovered La<sub>4<\/sub>H<sub>23<\/sub> behaves unusually: It has a negative temperature coefficient of electrical resistance in a certain pressure range. That is, unlike ordinary metals, with a decrease in temperature its electrical resistance does not decrease but grows, the way it happens in semiconductors and many unconventional superconductors, such as cuprates.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Researchers from Skoltech, Jilin University and Beijing HPSTAR in China, and their German colleagues have synthesized and studied a new type of hydrogen-rich superconductor. Technically referred to as an A15-type lanthanum superhydride, with the formula La4H23, it shows superconductivity below minus 168 degrees Celsius at a pressure of 1.2 million atmospheres. The research results were [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1635],"tags":[],"class_list":["post-191389","post","type-post","status-publish","format-standard","hentry","category-materials"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/191389","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=191389"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/191389\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=191389"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=191389"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=191389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}