{"id":557333,"date":"2026-07-19T11:05:17","date_gmt":"2026-07-19T11:05:17","guid":{"rendered":"https:\/\/www.newsbeep.com\/ie\/557333\/"},"modified":"2026-07-19T11:05:17","modified_gmt":"2026-07-19T11:05:17","slug":"the-first-room-temperature-quantum-material-of-its-kind-is-spun-from-atoms-of-gold-sciencealert","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/ie\/557333\/","title":{"rendered":"The First Room-Temperature Quantum Material of Its Kind Is Spun From Atoms of Gold : ScienceAlert"},"content":{"rendered":"

Materials in a quantum state<\/a> come with exotic properties that bend the laws of physics and offer huge potential to scientists \u2013 but they’re usually also incredibly delicate, and require ultra-low temperatures<\/a> to exist and function.<\/p>\n

That presents a problem when it comes to making the most of these materials and their characteristics: they need to move out of large lab refrigerators<\/a>.<\/p>\n

We’re now another step towards that being possible.<\/p>\n

Researchers from Louisiana State University have developed a material that can demonstrate quantum weirdness at room temperature. It’s made of a thin film of gold on a glass chip, carved with microscopic patterns. <\/p>\n

A paper on the work has been published in Nature<\/a>.<\/p>\n

\"ExperimentPart of the setup for the study. (Olivia Crowell<\/a>)<\/p>\n

Crucial to the new material’s room-temperature operation is the way it shifts the focus from electrons and atoms to photons (particles of light). This overcomes the usual atomic-level disruption that heat brings with it.<\/p>\n

The material is what’s known as a plasmonic metacrystal: ‘Plasmonic’ because the light traveling over it makes ripples of electrons known as plasmons<\/a>, and ‘metacrystal’ because it’s an artificially created crystal.<\/p>\n

The tiny slit patterns etched into the material act as artificial atoms (meta-atoms), which dictate how different photon groups pass through (the quantum behavior).<\/p>\n

“By engineering the distribution of meta-atoms in the plasmonic metacrystal, we can systematically dictate which quantum statistics are allowed to pass through the structure,” says<\/a> physicist Riley Dawkins.<\/p>\n

“So, our crystal essentially acts as a statistical filter on quantum states.”<\/p>\n

\"LightThe microscopic slits in the gold act as filters for light. (You et al., Nature, 2026)<\/p>\n

That means as light enters the chip and travels across the gold surface, it’s manipulated by the meta-atoms \u2013 and by tweaking the size, shape, and spacing of the slits, different end results can be produced at the quantum level.<\/p>\n

In practice, this means that certain quantum states of light can be transported with less disruption.<\/p>\n

“We call this robust transport. These quantum states carry information,” says<\/a> physicist Omar Maga\u00f1a-Loaiza. <\/p>\n

“Our crystal can distinguish them and move them from one point to another in a robust way without requiring cryogenic cooling. That’s what opens the door to practical quantum technologies.”<\/p>\n

\"Subscribe<\/a><\/p>\n

That could be used, for example, in moving quantum information reliably and without ultra-cold temperatures. This is very much an early, proof-of-concept discovery, but it shows the fundamental science is sound.<\/p>\n

“One of the most exciting parts of this project was realizing that we could build a material that does something nature doesn’t provide on its own,” says<\/a> physicist Chenglong You. <\/p>\n

“Seeing it work exactly as we predicted was incredibly rewarding.”<\/p>\n

The methods used here can be expanded beyond this one material, the researchers say. Their study acts as a blueprint that other teams can follow, adjusting the size and spacing of the slits as needed to tweak the properties of the crystal, and how light is processed.<\/p>\n

Light is itself quantum: Different types of light (from laser light to ultraviolet light<\/a>) have different properties. While quantum material behavior at room temperature has been seen before<\/a>, this is the first demonstration of it in an advanced light-sorting chip like this.<\/p>\n

More generally, the unconventional behavior of quantum materials promises to be useful in computing, communications (including the quantum internet<\/a>), and energy \u2013 in harvesting more power from sunlight through solar panels, for instance.<\/p>\n

The solar cell angle is the one the researchers plan to investigate next, using their new plasmonic metacrystal to better guide incoming light and lose less of it as heat.<\/p>\n

Related: Light Usually Speeds Things Up. Scientists Just Caught It Doing The Opposite in The Nanoworld<\/a><\/p>\n

“For me, this wasn’t just a project \u2013 it was a collective effort built around the idea of creating something completely new in quantum technology,” says<\/a> physicist Jannatul Ferdous.<\/p>\n

“What made it truly exciting was that we were not only creating a new class of room-temperature quantum material but also developing the theory to understand and control its behavior.”<\/p>\n

The research has been published in Nature<\/a>.<\/p>\n

This article was fact-checked by Rebecca Dyer<\/a> and edited by Michael Irving<\/a>. While we pride ourselves on our process, we are only human. If you spot a mistake, please let us know<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"Materials in a quantum state come with exotic properties that bend the laws of physics and offer huge…\n","protected":false},"author":2,"featured_media":557334,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[61,60,2209,82],"class_list":["post-557333","post","type-post","status-publish","format-standard","has-post-thumbnail","category-science","tag-ie","tag-ireland","tag-msft-content","tag-science"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts\/557333","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/comments?post=557333"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts\/557333\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/media\/557334"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/media?parent=557333"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/categories?post=557333"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/tags?post=557333"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}