{"id":1026,"date":"2019-02-09T17:59:57","date_gmt":"2019-02-09T09:59:57","guid":{"rendered":"https:\/\/labstt.phy.ncu.edu.tw\/?p=1026"},"modified":"2019-02-10T00:15:33","modified_gmt":"2019-02-09T16:15:33","slug":"spin-transfer-properties-of-amine-ended-single-molecule-magnetic-junction","status":"publish","type":"post","link":"https:\/\/labstt.phy.ncu.edu.tw\/en\/archives\/1026","title":{"rendered":"Spin Transfer Properties of Amine-Ended Single-Molecule Magnetic Junction"},"content":{"rendered":"<p>We proposed the superior spin injection in amine-ended single-molecule magnetic junction (SMMJ) under stretching process, resulting from the strong hard-hard spinterfacial coupling between Co nanowire and amine linker. Furthermore, we predict anomalous magnetoresistance (MR) effect, including strain-induced sign reversal and bias-induced enhancement of MR value in amine-ended SMMJ with Co tip-like nanowire, which is in sharp contrast to normal MR effect in conventional magnetic tunnel junctions. <!--more-->Finally, our newly developed \u201cJunPy\u201d package, which successfully combined the self-consistent Hamiltonian by using the first-principles calculation with the TB model and the non-equilibrium Green\u2019s function (NEGF) method, to investigate the \u201cnoncollinear\u201d spin torque effect. In sharp contrast to the conventional Co\/vacuum\/Co magnetic tunnel junction, the hard\u2212hard coupling between the amine linker and the Co tip atom plays an active role in the interfacial spin filter to emerge the strong interlayer exchange coupling between two Co electrodes and the anomalous strain-enhanced FLST effect. These intriguing features may pave a novel way to engineer the magnetization switching via either external bias or mechanical strain to achieve the writing process in next-generation multifunctional organic FLST-MRAMs with lower power consumption.<\/p>\r\n<br>\r\n[1] Y.\u2013H. Tang et al., J. Phys. Chem. C 120, 692 (2016)\r\n<br>\r\n[2] Y.\u2013H. Tang et al., J. Phys. Chem. 146, 224701 (2017)\r\n<br>\r\n[3] Y.\u2013H. Tang et al., J. Phys. Chem. C 122, 20500 (2018)\r\n<br>\r\n<img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-1027\" src=\"https:\/\/labstt.phy.ncu.edu.tw\/wp-content\/uploads\/2019\/02\/Image-award__YHTang_BDAjunction.png\" alt=\"\" width=\"2591\" height=\"1729\" \/>","protected":false},"excerpt":{"rendered":"We proposed the superior spin injection in amine-ended single-molecule magnetic junction (SMMJ) under stretching process, resulting from the strong hard-hard spinterfacial coupling between Co nanowire and amine linker. Furthermore, we predict anomalous magnetoresistance (MR) effect, including strain-induced sign reversal and bias-induced enhancement of MR value in amine-ended SMMJ with Co tip-like nanowire, which is in [&#8230;]<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/labstt.phy.ncu.edu.tw\/en\/archives\/1026\">Read More&#8230;<span class=\"screen-reader-text\"> from Spin Transfer Properties of Amine-Ended Single-Molecule Magnetic Junction<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":750,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[18],"tags":[],"class_list":["post-1026","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-newest-research"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Spin Transfer Properties of Amine-Ended Single-Molecule Magnetic Junction &#060; Theoretical and Computational Spintronics 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:\/\/labstt.phy.ncu.edu.tw\/en\/archives\/1026\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Spin Transfer Properties of Amine-Ended Single-Molecule Magnetic Junction &#060; Theoretical and Computational Spintronics Group\" \/>\n<meta property=\"og:description\" content=\"We proposed the superior spin injection in amine-ended single-molecule magnetic junction (SMMJ) under stretching process, resulting from the strong hard-hard spinterfacial coupling between Co nanowire and amine linker. Furthermore, we predict anomalous magnetoresistance (MR) effect, including strain-induced sign reversal and bias-induced enhancement of MR value in amine-ended SMMJ with Co tip-like nanowire, which is in [...]Read More... from Spin Transfer Properties of Amine-Ended Single-Molecule Magnetic Junction\" \/>\n<meta property=\"og:url\" content=\"https:\/\/labstt.phy.ncu.edu.tw\/en\/archives\/1026\" \/>\n<meta property=\"og:site_name\" content=\"Theoretical and Computational Spintronics Group\" \/>\n<meta property=\"article:published_time\" content=\"2019-02-09T09:59:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-02-09T16:15:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/labstt.phy.ncu.edu.tw\/wp-content\/uploads\/2018\/07\/1.4984821.figures.online.f1.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1400\" \/>\n\t<meta property=\"og:image:height\" content=\"490\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"LISE\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"LISE\" \/>\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:\/\/labstt.phy.ncu.edu.tw\/archives\/1026#article\",\"isPartOf\":{\"@id\":\"https:\/\/labstt.phy.ncu.edu.tw\/archives\/1026\"},\"author\":{\"name\":\"LISE\",\"@id\":\"https:\/\/labstt.phy.ncu.edu.tw\/#\/schema\/person\/cda02180aa6bc03cc2fee84aeba5e41d\"},\"headline\":\"Spin Transfer Properties of Amine-Ended Single-Molecule Magnetic Junction\",\"datePublished\":\"2019-02-09T09:59:57+00:00\",\"dateModified\":\"2019-02-09T16:15:33+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/labstt.phy.ncu.edu.tw\/archives\/1026\"},\"wordCount\":221,\"image\":{\"@id\":\"https:\/\/labstt.phy.ncu.edu.tw\/archives\/1026#primaryimage\"},\"thumbnailUrl\":\"https:\/\/labstt.phy.ncu.edu.tw\/wp-content\/uploads\/2018\/07\/1.4984821.figures.online.f1.jpeg\",\"articleSection\":[\"\u6700\u65b0\u7814\u7a76\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/labstt.phy.ncu.edu.tw\/en\/archives\/1026\",\"url\":\"https:\/\/labstt.phy.ncu.edu.tw\/en\/archives\/1026\",\"name\":\"Spin Transfer Properties of Amine-Ended Single-Molecule Magnetic Junction &#060; 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