{"id":4852,"date":"2020-04-17T14:07:55","date_gmt":"2020-04-17T13:07:55","guid":{"rendered":"https:\/\/www.innovationnewsnetwork.com\/?p=4852"},"modified":"2020-04-17T14:07:55","modified_gmt":"2020-04-17T13:07:55","slug":"researchers-have-developed-a-new-method-of-producing-cu2o","status":"publish","type":"post","link":"https:\/\/www.innovationnewsnetwork.com\/researchers-have-developed-a-new-method-of-producing-cu2o\/4852\/","title":{"rendered":"Researchers have developed a new method of producing Cu2O"},"content":{"rendered":"<h2>Researchers from <a href=\"https:\/\/www.kth.se\/en\" target=\"_blank\" rel=\"noopener noreferrer\">KTH Royal Institute of Technology<\/a> report that they have developed a scalable production method for cuprous oxide (Cu<sub>2<\/sub>O) micrometre-sized crystals.<\/h2>\n<p>The compound Cu<sub>2<\/sub>O, or cuprous oxide, is a material for <a href=\"https:\/\/www.innovationnewsnetwork.com\/photonics-industry\/965\/\">quantum photonics<\/a>, optoelectronics and renewable energy technologies.<\/p>\n<p>\u201cThe unique properties of Cu<sub>2<\/sub>O can lead to new schemes for quantum information processing with light in the solid state, which are difficult to realise with other materials,\u201d says Stephan Steinhauer, researcher in <a href=\"https:\/\/www.qnp.aphys.kth.se\/\" target=\"_blank\" rel=\"noopener noreferrer\">KTH\u2019s Quantum Nano Photonics group.<\/a><\/p>\n<p>\u201cThis work paves the way for the widespread use of Cu<sub>2<\/sub>O in optoelectronics and for the development of novel device technologies.\u201d<\/p>\n<h3>Synthesising Cu<sub>2<\/sub>O<\/h3>\n<p>Researchers heated a copper thin film to high temperatures in a vacuum to synthesise the crystals. The researchers at KTH took this method and identified the growth parameters to achieve Cu<sub>2<\/sub>O microcrystals with excellent optical material quality.<\/p>\n<p>The process is compatible with standard silicon fabrication techniques and allows the possibility for photonic circuit integration.<\/p>\n<p>\u201cThe majority of quantum optics experiments with this material have been performed with geological samples found in mines \u2013 for instance, the Tsumeb mine in Namibia.<\/p>\n<p>\u201cOur synthesis method is associated with very low-cost fabrication, suitable for mass production and does not require gases or chemicals that are toxic or harmful for the environment,\u201d said Steinhauer.<\/p>\n<h3>Quantum technologies based on solid-state Rydberg excitations<\/h3>\n<p>Steinhauer says the work lays the foundation for realising quantum technologies based on solid-state Rydberg excitations, which are excited quantum states with high principal quantum number.<\/p>\n<p>These excitations can be interfaced with photonic integrated circuits, aiming at on-chip generation and manipulation of light at the single-photon level, he says.<\/p>\n<p>\u201cExciting challenges lie ahead to translate quantum information processing and quantum sensing schemes previously developed for Rydberg atoms into the solid-state environment of a semiconductor crystal at the micrometre or nanometre scale.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Researchers from KTH Royal Institute of Technology report that they have developed a scalable production method for cuprous oxide (Cu2O) micrometre-sized crystals. The compound Cu2O, or cuprous oxide, is a material for quantum photonics, optoelectronics and renewable energy technologies. \u201cThe unique properties of Cu2O can lead to new schemes for quantum information processing with light [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":4855,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[766,24429],"tags":[763],"acf":[],"yoast_head":"\n<title>Researchers have developed a new method of producing Cu2O<\/title>\n<meta name=\"description\" content=\"Researchers from KTH report that they have developed a scalable production method for cuprous oxide (Cu2O) micrometre-sized crystals.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.innovationnewsnetwork.com\/researchers-have-developed-a-new-method-of-producing-cu2o\/4852\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Researchers have developed a new method of producing Cu2O\" \/>\n<meta property=\"og:description\" content=\"Researchers from KTH report that they have developed a scalable production method for cuprous oxide (Cu2O) micrometre-sized crystals.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.innovationnewsnetwork.com\/researchers-have-developed-a-new-method-of-producing-cu2o\/4852\/\" \/>\n<meta property=\"og:site_name\" content=\"Innovation News Network\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/InnoNewsNetwork\" \/>\n<meta property=\"article:published_time\" content=\"2020-04-17T13:07:55+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.innovationnewsnetwork.com\/wp-content\/uploads\/2020\/04\/producing-Cu2O.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Caitlin Magee\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@InnoNewsNetwork\" \/>\n<meta name=\"twitter:site\" content=\"@InnoNewsNetwork\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Caitlin Magee\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.innovationnewsnetwork.com\/researchers-have-developed-a-new-method-of-producing-cu2o\/4852\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.innovationnewsnetwork.com\/researchers-have-developed-a-new-method-of-producing-cu2o\/4852\/\"},\"author\":{\"name\":\"Caitlin Magee\",\"@id\":\"https:\/\/www.innovationnewsnetwork.com\/#\/schema\/person\/5186ad57c79ad5162638977775a065d2\"},\"headline\":\"Researchers have developed a new method of producing Cu2O\",\"datePublished\":\"2020-04-17T13:07:55+00:00\",\"dateModified\":\"2020-04-17T13:07:55+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.innovationnewsnetwork.com\/researchers-have-developed-a-new-method-of-producing-cu2o\/4852\/\"},\"wordCount\":314,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.innovationnewsnetwork.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.innovationnewsnetwork.com\/researchers-have-developed-a-new-method-of-producing-cu2o\/4852\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.innovationnewsnetwork.com\/wp-content\/uploads\/2020\/04\/producing-Cu2O.jpg\",\"keywords\":[\"Chemistry\"],\"articleSection\":[\"Research &amp; 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