{"id":235887,"date":"2026-04-25T02:23:38","date_gmt":"2026-04-25T07:23:38","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/04\/how-electron-structure-affects-light-responses-in-moire-materials"},"modified":"2026-04-25T02:23:38","modified_gmt":"2026-04-25T07:23:38","slug":"how-electron-structure-affects-light-responses-in-moire-materials","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/04\/how-electron-structure-affects-light-responses-in-moire-materials","title":{"rendered":"How electron structure affects light responses in moir\u00e9 materials"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/how-electron-structure-affects-light-responses-in-moire-materials.jpg\"><\/a><\/p>\n<p>In materials science, if you can understand the \u201ctexture\u201d of a material\u2014how its internal patterns form and shift\u2014you can begin to design how it behaves. That\u2019s the focus of the work of Zhenglu Li, assistant professor in the Mork Family Department of Chemical Engineering and Materials Science at USC Viterbi School of Engineering. Li\u2019s recently <a href=\"https:\/\/pnas.org\/doi\/10.1073\/pnas.2531259123\" target=\"_blank\">published<\/a> paper in <i>PNAS<\/i>, titled \u201cMoir\u00e9 excitons in generalized Wigner crystals,\u201d demonstrates that the way electrons organize themselves inside a material determines how that material responds to light\u2014and how this organization can be engineered.<\/p>\n<p>\u201cMoir\u00e9\u201d is a word that will be familiar to anyone who follows fashion. In the context of textiles, it refers to a larger-scale interference pattern that appears when two repeating patterns are slightly misaligned. Imagine brushing a swatch of velvet in different directions; the material reveals different properties depending on how it is ruffled.<\/p>\n<p>Likewise, in the context of nanoscale materials science, an independent, shimmering or wavelike pattern is formed when two overlapping atomically thin layers are overlaid at an acute angle. The new pattern, moir\u00e9 superlattice, changes how electrons move, which can give the material unusual properties.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In materials science, if you can understand the \u201ctexture\u201d of a material\u2014how its internal patterns form and shift\u2014you can begin to design how it behaves. That\u2019s the focus of the work of Zhenglu Li, assistant professor in the Mork Family Department of Chemical Engineering and Materials Science at USC Viterbi School of Engineering. Li\u2019s recently [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,38,4],"tags":[],"class_list":["post-235887","post","type-post","status-publish","format-standard","hentry","category-chemistry","category-engineering","category-nanotechnology"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/235887","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=235887"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/235887\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=235887"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=235887"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=235887"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}