{"id":7863,"date":"2016-02-15T17:22:24","date_gmt":"2016-02-15T17:22:24","guid":{"rendered":"http:\/\/vps468643.ovh.net.s216418.gridserver.com\/?p=7863"},"modified":"2016-02-15T17:22:24","modified_gmt":"2016-02-15T17:22:24","slug":"a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature","status":"publish","type":"post","link":"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/","title":{"rendered":"A half-metallic A-and B-site-ordered quadruple perovskite oxide CaCu3Fe2Re2O12 with large magnetization and a high transition temperature"},"content":{"rendered":"<p><a href=\"http:\/\/www.nature.com\/ncomms\/2014\/140522\/ncomms4909\/full\/ncomms4909.html?WT.ec_id=NCOMMS-20140528\">Wei-tin Chen, Masaichiro Mizumaki, Hayato Seki,Mark S. Senn, Takashi Saito, Daisuke Kan, J. Paul Attfield &amp; Yuichi Shimakawa, Nature Communications 5 (2014), 3909.<\/a><\/p>\n<p>Strong correlation between spins and conduction electrons is key in spintronic materials and devices. A few ferro- or ferrimagnetic transition metal oxides such as La<sub>1\u2212<i>x<\/i><\/sub>Sr<sub><i>x<\/i><\/sub>MnO<sub>3<\/sub>, <span class=\"annotation highlight-compound highlight-off popup-prompt\">Fe<sub>3<\/sub>O<sub>4<\/sub><\/span>, <span class=\"annotation highlight-compound highlight-off popup-prompt\">CrO<sub>2<\/sub><\/span> and Sr<sub>2<\/sub>FeMoO<sub>6<\/sub> have spin-polarized conduction electrons at room temperature, but it is difficult to find other spin-polarized oxides with high Curie temperatures (well above room temperature) and large magnetizations for spintronics applications. Here we show that an A- and B-site-ordered quadruple perovskite oxide, CaCu<sub>3<\/sub>Fe<sub>2<\/sub>Re<sub>2<\/sub>O<sub>12<\/sub>, has spin-polarized conduction electrons and is ferrimagnetic up to 560\u2009K. The couplings between the three magnetic cations lead to the high Curie temperature, a large saturation magnetization of 8.7\u2009<i>\u03bc<\/i><sub>B<\/sub> and a half-metallic electronic structure, in which only minority-spin bands cross the Fermi level, producing highly spin-polarized conduction electrons. Spin polarization is confirmed by an observed low-field magnetoresistance effect in a polycrystalline sample. Optimization of CaCu<sub>3<\/sub>Fe<sub>2<\/sub>Re<sub>2<\/sub>O<sub>12<\/sub> and related quadruple perovskite phases is expected to produce a new family of useful spintronic materials.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Wei-tin Chen, Masaichiro Mizumaki, Hayato Seki,Mark S. Senn, Takashi Saito, Daisuke Kan, J. Paul Attfield &amp; Yuichi Shimakawa, Nature Communications 5 (2014), 3909. Strong correlation between spins and conduction electrons<br \/><a href=\"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/\" class=\"more\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":7864,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[64],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>A half-metallic A-and B-site-ordered quadruple perovskite oxide CaCu3Fe2Re2O12 with large magnetization and a high transition temperature - SENN GROUP<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A half-metallic A-and B-site-ordered quadruple perovskite oxide CaCu3Fe2Re2O12 with large magnetization and a high transition temperature - SENN GROUP\" \/>\n<meta property=\"og:description\" content=\"Wei-tin Chen, Masaichiro Mizumaki, Hayato Seki,Mark S. Senn, Takashi Saito, Daisuke Kan, J. Paul Attfield &amp; Yuichi Shimakawa, Nature Communications 5 (2014), 3909. Strong correlation between spins and conduction electronsRead more\" \/>\n<meta property=\"og:url\" content=\"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/\" \/>\n<meta property=\"og:site_name\" content=\"SENN GROUP\" \/>\n<meta property=\"article:published_time\" content=\"2016-02-15T17:22:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/senngroup.com\/wp-content\/uploads\/2016\/02\/nature_communications_2014.png\" \/>\n\t<meta property=\"og:image:width\" content=\"2490\" \/>\n\t<meta property=\"og:image:height\" content=\"1172\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Mark\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mark\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/\"},\"author\":{\"name\":\"Mark\",\"@id\":\"https:\/\/senngroup.com\/#\/schema\/person\/56efbdd98406e419d0c1fb8d15561eda\"},\"headline\":\"A half-metallic A-and B-site-ordered quadruple perovskite oxide CaCu3Fe2Re2O12 with large magnetization and a high transition temperature\",\"datePublished\":\"2016-02-15T17:22:24+00:00\",\"dateModified\":\"2016-02-15T17:22:24+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/\"},\"wordCount\":204,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/senngroup.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/senngroup.com\/wp-content\/uploads\/2016\/02\/nature_communications_2014.png\",\"articleSection\":[\"Publications\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/\",\"url\":\"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/\",\"name\":\"A half-metallic A-and B-site-ordered quadruple perovskite oxide CaCu3Fe2Re2O12 with large magnetization and a high transition temperature - SENN GROUP\",\"isPartOf\":{\"@id\":\"https:\/\/senngroup.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/senngroup.com\/wp-content\/uploads\/2016\/02\/nature_communications_2014.png\",\"datePublished\":\"2016-02-15T17:22:24+00:00\",\"dateModified\":\"2016-02-15T17:22:24+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/#primaryimage\",\"url\":\"https:\/\/senngroup.com\/wp-content\/uploads\/2016\/02\/nature_communications_2014.png\",\"contentUrl\":\"https:\/\/senngroup.com\/wp-content\/uploads\/2016\/02\/nature_communications_2014.png\",\"width\":2490,\"height\":1172},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/senngroup.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"A half-metallic A-and B-site-ordered quadruple perovskite oxide CaCu3Fe2Re2O12 with large magnetization and a high transition temperature\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/senngroup.com\/#website\",\"url\":\"https:\/\/senngroup.com\/\",\"name\":\"SENN GROUP\",\"description\":\"Symmetry, Solid State, Phase Transitions and their Relationship to Physical Properties\",\"publisher\":{\"@id\":\"https:\/\/senngroup.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/senngroup.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/senngroup.com\/#organization\",\"name\":\"Senn Group\",\"url\":\"https:\/\/senngroup.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/senngroup.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/senngroup.com\/wp-content\/uploads\/2019\/10\/senn-group-icon.jpg\",\"contentUrl\":\"https:\/\/senngroup.com\/wp-content\/uploads\/2019\/10\/senn-group-icon.jpg\",\"width\":1024,\"height\":622,\"caption\":\"Senn Group\"},\"image\":{\"@id\":\"https:\/\/senngroup.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/senngroup.com\/#\/schema\/person\/56efbdd98406e419d0c1fb8d15561eda\",\"name\":\"Mark\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/senngroup.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/c0b41d61e87dcec57632ef4f1f376c1d?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/c0b41d61e87dcec57632ef4f1f376c1d?s=96&d=mm&r=g\",\"caption\":\"Mark\"},\"description\":\"Principal Investigator\",\"sameAs\":[\"https:\/\/senngroup.com\"],\"url\":\"https:\/\/senngroup.com\/author\/dr-mark-senn\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"A half-metallic A-and B-site-ordered quadruple perovskite oxide CaCu3Fe2Re2O12 with large magnetization and a high transition temperature - SENN GROUP","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/","og_locale":"en_US","og_type":"article","og_title":"A half-metallic A-and B-site-ordered quadruple perovskite oxide CaCu3Fe2Re2O12 with large magnetization and a high transition temperature - SENN GROUP","og_description":"Wei-tin Chen, Masaichiro Mizumaki, Hayato Seki,Mark S. Senn, Takashi Saito, Daisuke Kan, J. Paul Attfield &amp; Yuichi Shimakawa, Nature Communications 5 (2014), 3909. Strong correlation between spins and conduction electronsRead more","og_url":"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/","og_site_name":"SENN GROUP","article_published_time":"2016-02-15T17:22:24+00:00","og_image":[{"width":2490,"height":1172,"url":"https:\/\/senngroup.com\/wp-content\/uploads\/2016\/02\/nature_communications_2014.png","type":"image\/png"}],"author":"Mark","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Mark","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/#article","isPartOf":{"@id":"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/"},"author":{"name":"Mark","@id":"https:\/\/senngroup.com\/#\/schema\/person\/56efbdd98406e419d0c1fb8d15561eda"},"headline":"A half-metallic A-and B-site-ordered quadruple perovskite oxide CaCu3Fe2Re2O12 with large magnetization and a high transition temperature","datePublished":"2016-02-15T17:22:24+00:00","dateModified":"2016-02-15T17:22:24+00:00","mainEntityOfPage":{"@id":"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/"},"wordCount":204,"commentCount":0,"publisher":{"@id":"https:\/\/senngroup.com\/#organization"},"image":{"@id":"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/#primaryimage"},"thumbnailUrl":"https:\/\/senngroup.com\/wp-content\/uploads\/2016\/02\/nature_communications_2014.png","articleSection":["Publications"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/","url":"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/","name":"A half-metallic A-and B-site-ordered quadruple perovskite oxide CaCu3Fe2Re2O12 with large magnetization and a high transition temperature - SENN GROUP","isPartOf":{"@id":"https:\/\/senngroup.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/#primaryimage"},"image":{"@id":"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/#primaryimage"},"thumbnailUrl":"https:\/\/senngroup.com\/wp-content\/uploads\/2016\/02\/nature_communications_2014.png","datePublished":"2016-02-15T17:22:24+00:00","dateModified":"2016-02-15T17:22:24+00:00","breadcrumb":{"@id":"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/#primaryimage","url":"https:\/\/senngroup.com\/wp-content\/uploads\/2016\/02\/nature_communications_2014.png","contentUrl":"https:\/\/senngroup.com\/wp-content\/uploads\/2016\/02\/nature_communications_2014.png","width":2490,"height":1172},{"@type":"BreadcrumbList","@id":"https:\/\/senngroup.com\/a-half-metallic-a-and-b-site-ordered-quadruple-perovskite-oxide-cacu3fe2re2o12-with-large-magnetization-and-a-high-transition-temperature\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/senngroup.com\/"},{"@type":"ListItem","position":2,"name":"A half-metallic A-and B-site-ordered quadruple perovskite oxide CaCu3Fe2Re2O12 with large magnetization and a high transition temperature"}]},{"@type":"WebSite","@id":"https:\/\/senngroup.com\/#website","url":"https:\/\/senngroup.com\/","name":"SENN GROUP","description":"Symmetry, Solid State, Phase Transitions and their Relationship to Physical Properties","publisher":{"@id":"https:\/\/senngroup.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/senngroup.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/senngroup.com\/#organization","name":"Senn Group","url":"https:\/\/senngroup.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/senngroup.com\/#\/schema\/logo\/image\/","url":"https:\/\/senngroup.com\/wp-content\/uploads\/2019\/10\/senn-group-icon.jpg","contentUrl":"https:\/\/senngroup.com\/wp-content\/uploads\/2019\/10\/senn-group-icon.jpg","width":1024,"height":622,"caption":"Senn Group"},"image":{"@id":"https:\/\/senngroup.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/senngroup.com\/#\/schema\/person\/56efbdd98406e419d0c1fb8d15561eda","name":"Mark","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/senngroup.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/c0b41d61e87dcec57632ef4f1f376c1d?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c0b41d61e87dcec57632ef4f1f376c1d?s=96&d=mm&r=g","caption":"Mark"},"description":"Principal Investigator","sameAs":["https:\/\/senngroup.com"],"url":"https:\/\/senngroup.com\/author\/dr-mark-senn\/"}]}},"_links":{"self":[{"href":"https:\/\/senngroup.com\/wp-json\/wp\/v2\/posts\/7863"}],"collection":[{"href":"https:\/\/senngroup.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/senngroup.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/senngroup.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/senngroup.com\/wp-json\/wp\/v2\/comments?post=7863"}],"version-history":[{"count":0,"href":"https:\/\/senngroup.com\/wp-json\/wp\/v2\/posts\/7863\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/senngroup.com\/wp-json\/wp\/v2\/media\/7864"}],"wp:attachment":[{"href":"https:\/\/senngroup.com\/wp-json\/wp\/v2\/media?parent=7863"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/senngroup.com\/wp-json\/wp\/v2\/categories?post=7863"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/senngroup.com\/wp-json\/wp\/v2\/tags?post=7863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}