{"id":3941,"date":"2018-07-07T12:39:00","date_gmt":"2018-07-07T09:39:00","guid":{"rendered":"https:\/\/www.elch.chem.msu.ru\/wp3\/?page_id=3941"},"modified":"2018-07-08T19:37:55","modified_gmt":"2018-07-08T16:37:55","slug":"electrochemical-segregation","status":"publish","type":"page","link":"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/en\/electrochemical-segregation\/","title":{"rendered":"Interfacial segregation"},"content":{"rendered":"<p style=\"text-align: left;\">Headed by Professor<b> Viktor A. Safonov\u00a0<\/b>(email: safon@elch.chem.msu.ru)<\/p>\n<table style=\"height: 265px;\" width=\"791\">\n<tbody>\n<tr>\n<td width=\"391\">\n<p style=\"text-align: left;\">We address the interfacial segregation at the alloy electrodes (the enrichment of their surface with certain components) in the context of the phase diagrams of these alloys.<\/p>\n<p style=\"text-align: left;\">We compare the kinetics of the spontaneous segregation at the renewable alloy\/vacuum and alloy\/solution interfaces.<\/p>\n<p style=\"text-align: left;\">We stady the effect of interfacial\u00a0 segregation on the kinetics of electrode reactions at alloys, and model the experimentally observed non-steady-state behavior.<\/p>\n<\/td>\n<td width=\"247\"><a href=\"https:\/\/www.elch.chem.msu.ru\/wp3\/wp-content\/uploads\/2016\/02\/interface3.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1521 alignnone\" src=\"https:\/\/www.elch.chem.msu.ru\/wp3\/wp-content\/uploads\/2016\/02\/interface3.jpg\" alt=\"interface3\" width=\"176\" height=\"182\" srcset=\"https:\/\/www.elch.chem.msu.ru\/wp3\/wp-content\/uploads\/2016\/02\/interface3.jpg 399w, https:\/\/www.elch.chem.msu.ru\/wp3\/wp-content\/uploads\/2016\/02\/interface3-290x300.jpg 290w\" sizes=\"auto, (max-width: 176px) 100vw, 176px\" \/><\/a><\/p>\n<p><em>electrochemical cell with renewable electrode<\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><a href=\"https:\/\/www.elch.chem.msu.ru\/wp3\/wp-content\/uploads\/2016\/02\/interface4.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-1522 aligncenter\" src=\"https:\/\/www.elch.chem.msu.ru\/wp3\/wp-content\/uploads\/2016\/02\/interface4.jpg\" alt=\"interface4\" width=\"640\" height=\"163\" srcset=\"https:\/\/www.elch.chem.msu.ru\/wp3\/wp-content\/uploads\/2016\/02\/interface4.jpg 953w, https:\/\/www.elch.chem.msu.ru\/wp3\/wp-content\/uploads\/2016\/02\/interface4-300x76.jpg 300w, https:\/\/www.elch.chem.msu.ru\/wp3\/wp-content\/uploads\/2016\/02\/interface4-768x195.jpg 768w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p>Recent publications<\/p>\n<ol>\n<li>A. Safonov, M.A. Choba, \u201c<strong>Surface segregation of cadmium atoms at the interface of\u00a0<\/strong><strong>mechanically renewable Ag- Cd alloy electrode with surface-inactive electrolyte\u00a0<\/strong><strong>solution<\/strong>\u201d, Russ. J. Electrochem., 51 (2015), p. 703.<\/li>\n<li>V. A. Safonov, M. A. Choba, Yu. K. Aleshin, M. I. Buleev,\u00a0\u201c<strong>Using impedance to study surface segregation on restored electrodes of Ag-Sn and\u00a0<\/strong><strong>Au-Sn alloys<\/strong>\u201d, Bulletin of the Russian Academy of Sciences: Physics., 78 (2014), p.164.\\<\/li>\n<li>V. A. Safonov, M. A. Choba, \u201c<strong>Modeling of surface segregation effects observed on\u00a0<\/strong><strong>renewed electrodes of eutectic<\/strong> <strong>alloys\u201d,<\/strong> Z. phys. Chem., 227 (2013), p.1159.<\/li>\n<li>R. A. Manzhos, A. G. Krivenko, S.V. Doronin, M. A. Choba, V. A. Safonov,\u00a0\u201c<strong>Surface segregation of silver atoms on Au-Ag alloys according to data of laser-heating\u00a0<\/strong><strong>induced temperature potential shifts, XPS and conventional electrochemical methods\u201d, \u00a0 J. <\/strong>Electroanal. Chem., 704 (2013), p.175.<\/li>\n<li>V. A. Safonov, M. A. Choba, A. G. Krivenko, R. A. Manzhos, Yu. M. Maksimov,\u00a0\u201c<strong>Primary oxidation of Au electrode in weakly acidic solutions of surface-inactive\u00a0<\/strong><strong>electrolyte as evidenced by the potential shifts induced by laser heating and<\/strong><strong>\u00a0traditional <\/strong><strong>electrochemical methods\u201d, <\/strong>Electrochim. Acta, 61 (2012), p.140.<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Headed by Professor Viktor A. Safonov\u00a0(email: safon@elch.chem.msu.ru) We address the interfacial segregation at the alloy electrodes (the enrichment of their surface with certain components) in the context of the phase diagrams of these alloys. We compare the kinetics of the <a href=\"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/en\/electrochemical-segregation\/\" class=\"read-more\">\u0447\u0438\u0442\u0430\u0442\u044c \u0434\u0430\u043b\u044c\u0448\u0435 &#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3941","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/wp-json\/wp\/v2\/pages\/3941","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/wp-json\/wp\/v2\/comments?post=3941"}],"version-history":[{"count":5,"href":"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/wp-json\/wp\/v2\/pages\/3941\/revisions"}],"predecessor-version":[{"id":4041,"href":"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/wp-json\/wp\/v2\/pages\/3941\/revisions\/4041"}],"wp:attachment":[{"href":"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/wp-json\/wp\/v2\/media?parent=3941"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}