{"id":283,"date":"2020-09-02T18:20:52","date_gmt":"2020-09-02T22:20:52","guid":{"rendered":"https:\/\/sciences.ucf.edu\/physics\/afmspin\/?p=283"},"modified":"2021-09-03T13:24:35","modified_gmt":"2021-09-03T17:24:35","slug":"unconventional-spin-currents-in-magnetic-films","status":"publish","type":"post","link":"https:\/\/sciences.ucf.edu\/physics\/afmspin\/unconventional-spin-currents-in-magnetic-films\/","title":{"rendered":"Unconventional spin currents in magnetic films"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"283\" class=\"elementor elementor-283\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1089864 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1089864\" 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-c02d992\" data-id=\"c02d992\" 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-decbbff elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"decbbff\" 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-d702d94\" data-id=\"d702d94\" 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-6928e91 elementor-widget elementor-widget-image\" data-id=\"6928e91\" 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=\"480\" height=\"498\" src=\"https:\/\/sciences.ucf.edu\/physics\/afmspin\/wp-content\/uploads\/sites\/31\/2020\/09\/unconventional-spin-waves.jpg\" class=\"attachment-large size-large wp-image-234\" alt=\"Four graphs show different blue patterns on orange backgrounds. The patterns vary in density and shape, labeled with angles \u0398 and n values for each graph from (a) to (d).\" srcset=\"https:\/\/sciences.ucf.edu\/physics\/afmspin\/wp-content\/uploads\/sites\/31\/2020\/09\/unconventional-spin-waves.jpg 480w, https:\/\/sciences.ucf.edu\/physics\/afmspin\/wp-content\/uploads\/sites\/31\/2020\/09\/unconventional-spin-waves-289x300.jpg 289w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/>\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-21472fe elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"21472fe\" 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-8ff3fed\" data-id=\"8ff3fed\" 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-735f8a9 elementor-widget elementor-widget-text-editor\" data-id=\"735f8a9\" 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\">A spin current\u2014a flow of spin angular momentum\u2014can be carried either by spin-polarized free electrons or by magnons, the quanta of a moving collective oscillation of localized electron spins, i.e., a spin wave. Traditionally, it was assumed that a spin wave in a magnetic film with spin-sink-free surfaces can transfer energy and angular momentum only along its propagation direction. In this work, using Brillouin light-scattering spectroscopy in combination with a theory of dipole-exchange spin-wave spectra, we show that in obliquely magnetized free magnetic films, the in-plane propagation of spin waves is accompanied by a transverse spin current along the film normal without any corresponding transverse transport of energy. This work has been published in Physical Review Research and can be accessed <a href=\"https:\/\/journals.aps.org\/prresearch\/abstract\/10.1103\/PhysRevResearch.2.023324\">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>A spin current\u2014a flow of spin angular momentum\u2014can be carried either by spin-polarized free electrons or by magnons, the quanta of a moving collective oscillation of localized electron spins, i.e., <a class=\"more-link\" href=\"https:\/\/sciences.ucf.edu\/physics\/afmspin\/unconventional-spin-currents-in-magnetic-films\/\">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-283","post","type-post","status-publish","format-standard","hentry","category-publications"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Unconventional spin currents in magnetic films -<\/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\/unconventional-spin-currents-in-magnetic-films\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Unconventional spin currents in magnetic films -\" \/>\n<meta property=\"og:description\" content=\"A spin current\u2014a flow of spin angular momentum\u2014can be carried either by spin-polarized free electrons or by magnons, the quanta of a moving collective oscillation of localized electron spins, i.e., Continue Reading &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sciences.ucf.edu\/physics\/afmspin\/unconventional-spin-currents-in-magnetic-films\/\" \/>\n<meta property=\"article:published_time\" content=\"2020-09-02T22:20:52+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-09-03T17:24:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sciences.ucf.edu\/physics\/afmspin\/wp-content\/uploads\/sites\/31\/2020\/09\/unconventional-spin-waves.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\" 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