{"id":7836,"date":"2018-04-25T10:00:53","date_gmt":"2018-04-25T08:00:53","guid":{"rendered":"http:\/\/physics.uwb.edu.pl\/wf\/?page_id=7836"},"modified":"2019-02-06T14:54:24","modified_gmt":"2019-02-06T13:54:24","slug":"o-marianie-smoluchowskim-w-setna-rocznice-smierci-2-2-2-2-2-4-3-2-2-2-2","status":"publish","type":"page","link":"https:\/\/physics.uwb.edu.pl\/wf\/?page_id=7836","title":{"rendered":"Study of spin pumping in Co thin film vis-\u0155-vis seed and capping layers using ferromagnetic resonance spectroscopy"},"content":{"rendered":"<h3><strong>Seminarium wydzia\u0142owe<br \/>\n<\/strong><\/h3>\n<p>Dnia 2018-05-08 o godzinie 14:15 w sali 2011 Wydzia\u0142u Fizyki UwB odb\u0119dzie si\u0119 seminarium, na kt\u00f3rym&nbsp;<strong>&nbsp;<\/strong>mgr Sukanta Kumar Jena z Instytutu Fizyki PAN w Warszawie wyg\u0142osi wyk\u0142ad pt:<\/p>\n<p>&nbsp;<\/p>\n<h3>&#8220;<strong>Study of spin pumping in Co thin film vis-\u0155-vis seed and capping layers using ferromagnetic resonance spectroscopy<\/strong>&#8220;<\/h3>\n<p>&nbsp;<\/p>\n<p>We have investigated the spin pumping of ferromagnetic material Co with different capping and seed layers by using Ferromagnetic Resonance Spectroscopy (FMR) [1]. The FMR spectrum is fitted with the Kittle equation to evaluate the Gilbert damping constant and the Lande g-factor. It has been observed that the Gilbert damping is relatively larger for the sample Ta(3nm)\/Pt(3nm)\/Co(3nm)\/Pt(3nm)\/Ta(3nm): 0.0326&nbsp;\u00b1 0.0008 and has the lowest value for the sample Ta(3nm)\/Co(3nm)\/Ta(3nm): 0.0104&nbsp;\u00b1 0.0003. The effective spin mixing conductance is larger for the sample Ta(3nm)\/Pt(3nm)\/Co(3nm)\/Pt(3nm)\/Ta(3nm) due to high spin orbit coupling and also magnetic proximity effect at the interface between Pt and Co. The lowest anisotropy for the sample Ta(3nm)\/Co(3nm)\/Ta(3nm) has been observed. It has been found that the evaluated g-factor decreases as the effective demagnetizing magnetic field increases. In second part, I will give introduction to inverse spin Hall effect and generation of the pure spin current by the spin pumping.<\/p>\n<p>Reference:<br \/>\n1. Singh et al. J. Phys. D Appl. Phys. 50 (2017) 345001<\/p>\n<p style=\"text-align: right\">Serdecznie zapraszam<\/p>\n<p style=\"text-align: right\"><strong>Andrzej Maziewski<br \/>\n<\/strong><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Seminarium wydzia\u0142owe Dnia 2018-05-08 o godzinie 14:15 w sali 2011 Wydzia\u0142u Fizyki UwB odb\u0119dzie si\u0119 seminarium, na kt\u00f3rym&nbsp;&nbsp;mgr Sukanta Kumar Jena z Instytutu Fizyki PAN w Warszawie wyg\u0142osi wyk\u0142ad pt: <a href=\"https:\/\/physics.uwb.edu.pl\/wf\/?page_id=7836\" class=\"more-link\">[&hellip;]<\/a><\/p>\n","protected":false},"author":14,"featured_media":3366,"parent":822,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ngg_post_thumbnail":0,"Layout":"","footnotes":""},"categories":[69],"tags":[],"class_list":["entry","author-ulag","post-7836","page","type-page","status-publish","has-post-thumbnail","category-seminarium_pl"],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/P7nvcn-22o","_links":{"self":[{"href":"https:\/\/physics.uwb.edu.pl\/wf\/index.php?rest_route=\/wp\/v2\/pages\/7836","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/physics.uwb.edu.pl\/wf\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/physics.uwb.edu.pl\/wf\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/physics.uwb.edu.pl\/wf\/index.php?rest_route=\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/physics.uwb.edu.pl\/wf\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7836"}],"version-history":[{"count":4,"href":"https:\/\/physics.uwb.edu.pl\/wf\/index.php?rest_route=\/wp\/v2\/pages\/7836\/revisions"}],"predecessor-version":[{"id":7840,"href":"https:\/\/physics.uwb.edu.pl\/wf\/index.php?rest_route=\/wp\/v2\/pages\/7836\/revisions\/7840"}],"up":[{"embeddable":true,"href":"https:\/\/physics.uwb.edu.pl\/wf\/index.php?rest_route=\/wp\/v2\/pages\/822"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/physics.uwb.edu.pl\/wf\/index.php?rest_route=\/wp\/v2\/media\/3366"}],"wp:attachment":[{"href":"https:\/\/physics.uwb.edu.pl\/wf\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/physics.uwb.edu.pl\/wf\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/physics.uwb.edu.pl\/wf\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}