{"id":277,"date":"2020-11-15T18:13:37","date_gmt":"2020-11-15T23:13:37","guid":{"rendered":"https:\/\/sciences.ucf.edu\/physics\/afmspin\/?p=277"},"modified":"2021-09-03T13:18:54","modified_gmt":"2021-09-03T17:18:54","slug":"using-nv-two-magnon-relaxometry-to-detect-high-frequency-high-wave-vector-magnons-generated-by-antiferromagnetic-neel-order-switching","status":"publish","type":"post","link":"https:\/\/sciences.ucf.edu\/physics\/afmspin\/using-nv-two-magnon-relaxometry-to-detect-high-frequency-high-wave-vector-magnons-generated-by-antiferromagnetic-neel-order-switching\/","title":{"rendered":"Using NV two-magnon relaxometry to detect high frequency, high wave-vector magnons generated by antiferromagnetic N\u00e9el Order switching"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"277\" class=\"elementor elementor-277\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-740fcbb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"740fcbb\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-07b32e3\" data-id=\"07b32e3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-95d7b3d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"95d7b3d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-cc67b4b\" data-id=\"cc67b4b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e2174a2 elementor-widget elementor-widget-image\" data-id=\"e2174a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"690\" height=\"480\" src=\"https:\/\/sciences.ucf.edu\/physics\/afmspin\/wp-content\/uploads\/sites\/31\/2020\/09\/NV_two-magnon-relaxometry.jpg\" class=\"attachment-large size-large wp-image-233\" alt=\"Six-panel scientific graph depicting Microwave (MW) power and magnetic field relationships. Panels a-c show MW transmission percentages, and panels d-f highlight uniform mode FMR frequency.\" srcset=\"https:\/\/sciences.ucf.edu\/physics\/afmspin\/wp-content\/uploads\/sites\/31\/2020\/09\/NV_two-magnon-relaxometry.jpg 697w, https:\/\/sciences.ucf.edu\/physics\/afmspin\/wp-content\/uploads\/sites\/31\/2020\/09\/NV_two-magnon-relaxometry-300x209.jpg 300w\" sizes=\"(max-width: 690px) 100vw, 690px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-d566354 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d566354\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-7c6b6f5\" data-id=\"7c6b6f5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2e3d0d1 elementor-widget elementor-widget-text-editor\" data-id=\"2e3d0d1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #000000\">Identification of magnon populations in antiferromagnets and understanding of the associated magnon-magnon interactions is essential for the development of AF spintronic applications. A single NV spin is a powerful, nanoscale probe for local detection of magnons.&nbsp; As we and others have shown, the relaxation rate of the NV spin is sensitive to fluctuations of the magnetic dipolar fields generated by magnons.&nbsp; However, this detection technique was long thought to be limited to fluctuations at the NV resonance frequency (~2.9 GHz).&nbsp; We recently showed the effectiveness of two-magnon processes in relaxing NV moments.&nbsp; These two-magnon processes involve very high frequency\/wavevector magnons whose difference frequency is constrained to match the NV frequency. &nbsp;Magnon systems in antiferromagnets remain poorly understood in large part due to the technical challenge of detecting high frequency magnetics.&nbsp; Our recent advance opens a route to NV detection and study of very high frequency magnon dynamics. This work has been published in nature communications and can be accessed <a href=\"https:\/\/www.nature.com\/articles\/s41467-020-19121-0\">here<\/a>.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Identification of magnon populations in antiferromagnets and understanding of the associated magnon-magnon interactions is essential for the development of AF spintronic applications. A single NV spin is a powerful, nanoscale <a class=\"more-link\" href=\"https:\/\/sciences.ucf.edu\/physics\/afmspin\/using-nv-two-magnon-relaxometry-to-detect-high-frequency-high-wave-vector-magnons-generated-by-antiferromagnetic-neel-order-switching\/\">Continue Reading &rarr;<\/a><\/p>\n","protected":false},"author":61,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[7],"tags":[],"class_list":["post-277","post","type-post","status-publish","format-standard","hentry","category-publications"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Using NV two-magnon relaxometry to detect high frequency, high wave-vector magnons generated by antiferromagnetic N\u00e9el Order switching -<\/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:\/\/sciences.ucf.edu\/physics\/afmspin\/using-nv-two-magnon-relaxometry-to-detect-high-frequency-high-wave-vector-magnons-generated-by-antiferromagnetic-neel-order-switching\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Using NV two-magnon relaxometry to detect high frequency, high wave-vector magnons generated by antiferromagnetic N\u00e9el Order switching -\" \/>\n<meta property=\"og:description\" content=\"Identification of magnon populations in antiferromagnets and understanding of the associated magnon-magnon interactions is essential for the development of AF spintronic applications. A single NV spin is a powerful, nanoscale Continue Reading &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sciences.ucf.edu\/physics\/afmspin\/using-nv-two-magnon-relaxometry-to-detect-high-frequency-high-wave-vector-magnons-generated-by-antiferromagnetic-neel-order-switching\/\" \/>\n<meta property=\"article:published_time\" content=\"2020-11-15T23:13:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-09-03T17:18:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sciences.ucf.edu\/physics\/afmspin\/wp-content\/uploads\/sites\/31\/2020\/09\/NV_two-magnon-relaxometry.jpg\" \/>\n<meta name=\"author\" content=\"Gyan Khatri\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Gyan Khatri\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script 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