{"id":144038,"date":"2022-08-15T21:05:46","date_gmt":"2022-08-16T02:05:46","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2022\/08\/specially-oriented-twisted-bilayer-graphene-hosts-topological-electronic-states"},"modified":"2022-08-15T21:05:46","modified_gmt":"2022-08-16T02:05:46","slug":"specially-oriented-twisted-bilayer-graphene-hosts-topological-electronic-states","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2022\/08\/specially-oriented-twisted-bilayer-graphene-hosts-topological-electronic-states","title":{"rendered":"Specially oriented twisted bilayer graphene hosts topological electronic states"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/specially-oriented-twisted-bilayer-graphene-hosts-topological-electronic-states.jpg\"><\/a><\/p>\n<p>A sheet of magic-angle twisted bilayer graphene can host novel topological phases of matter, a study has revealed.<\/p>\n<p>Magic-angle twisted <a href=\"https:\/\/phys.org\/tags\/graphene\/\" rel=\"tag\" class=\"\">graphene<\/a>, first discovered in 2018, is made from two sheets of graphene (a form of carbon consisting of a single layer of atoms in a honeycomb-like lattice pattern), layered atop one another, with one sheet twisted at precisely 1.05 degrees with respect to the other. The resulting bilayer has unusual electronic properties: for example, it can be made into an insulator or a superconductor depending on how many electrons are added.<\/p>\n<p>The discovery launched a new field of research into magic-angle twisted graphene, known as \u201ctwistronics.\u201d At Caltech, Stevan Nadj-Perge, assistant professor of applied physics and <a href=\"https:\/\/phys.org\/tags\/materials+science\/\" rel=\"tag\" class=\"\">materials science<\/a>, has been among the researchers leading the charge: in 2019, he and his colleagues directly imaged the electronic properties of magic-angle twisted graphene at atomic-length scales; and in 2020, they demonstrated that superconductivity in twisted <a href=\"https:\/\/phys.org\/tags\/bilayer+graphene\/\" rel=\"tag\" class=\"\">bilayer graphene<\/a> can exist away from the magic angle when coupled to a two-dimensional semiconductor.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A sheet of magic-angle twisted bilayer graphene can host novel topological phases of matter, a study has revealed. Magic-angle twisted graphene, first discovered in 2018, is made from two sheets of graphene (a form of carbon consisting of a single layer of atoms in a honeycomb-like lattice pattern), layered atop one another, with one sheet [\u2026]<\/p>\n","protected":false},"author":661,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1635,48],"tags":[],"class_list":["post-144038","post","type-post","status-publish","format-standard","hentry","category-materials","category-particle-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/144038","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\/661"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=144038"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/144038\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=144038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=144038"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=144038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}