{"id":2692,"date":"2025-01-06T11:32:14","date_gmt":"2025-01-06T16:32:14","guid":{"rendered":"https:\/\/umaine.edu\/first\/?page_id=2692"},"modified":"2025-01-06T11:32:15","modified_gmt":"2025-01-06T16:32:15","slug":"ioan-augustin-chioar","status":"publish","type":"page","link":"https:\/\/umaine.edu\/first\/ioan-augustin-chioar\/","title":{"rendered":"Ioan-Augustin Chioar"},"content":{"rendered":"<style>.kb-row-layout-id2692_098169-f9 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id2692_098169-f9 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id2692_098169-f9 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:repeat(2, minmax(0, 1fr));}.kb-row-layout-id2692_098169-f9 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id2692_098169-f9 > .kt-row-column-wrap{grid-template-columns:repeat(2, minmax(0, 1fr));}}@media all and (max-width: 767px){.kb-row-layout-id2692_098169-f9 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id2692_098169-f9 alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column2692_e38d9a-23 > .kt-inside-inner-col,.kadence-column2692_e38d9a-23 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column2692_e38d9a-23 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column2692_e38d9a-23 > .kt-inside-inner-col{flex-direction:column;}.kadence-column2692_e38d9a-23 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column2692_e38d9a-23 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column2692_e38d9a-23{position:relative;}@media all and (max-width: 1024px){.kadence-column2692_e38d9a-23 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column2692_e38d9a-23 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column2692_e38d9a-23\"><div class=\"kt-inside-inner-col\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"240\" height=\"305\" src=\"https:\/\/umaine.edu\/first\/wp-content\/uploads\/sites\/498\/2024\/11\/Image.jpeg\" alt=\"Image of Ioan Choir\" class=\"wp-image-2448\" style=\"width:333px;height:auto\" srcset=\"https:\/\/umaine.edu\/first\/wp-content\/uploads\/sites\/498\/2024\/11\/Image.jpeg 240w, https:\/\/umaine.edu\/first\/wp-content\/uploads\/sites\/498\/2024\/11\/Image-236x300.jpeg 236w, https:\/\/umaine.edu\/first\/wp-content\/uploads\/sites\/498\/2024\/11\/Image-105x133.jpeg 105w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,240px\" \/><\/figure><\/div><\/div><\/div>\n\n\n<style>.kadence-column2692_ca4f15-24 > .kt-inside-inner-col,.kadence-column2692_ca4f15-24 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column2692_ca4f15-24 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column2692_ca4f15-24 > .kt-inside-inner-col{flex-direction:column;}.kadence-column2692_ca4f15-24 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column2692_ca4f15-24 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column2692_ca4f15-24{position:relative;}@media all and (max-width: 1024px){.kadence-column2692_ca4f15-24 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column2692_ca4f15-24 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column2692_ca4f15-24\"><div class=\"kt-inside-inner-col\">\n<p><strong>Ioan-Augustin Chioar<\/strong><\/p>\n\n\n\n<p><strong>Assistant Professor of Physics<\/strong><\/p>\n\n\n\n<p>Address: 5708 ESRB-Barrows, Room 253<\/p>\n\n\n\n<p>Telephone: (207) 581-2257<\/p>\n\n\n\n<p>Email:&nbsp;<a href=\"mailto:ioanaugustin.chioar@maine.edu\">ioanaugustin.chioar@maine.edu<\/a><\/p>\n\n\n\n<p>Additional links:\u00a0<a href=\"https:\/\/scholar.google.se\/citations?user=brVyg4EAAAAJ&amp;hl=en\">Google Scholar<\/a>,\u00a0\u00a0<a href=\"https:\/\/orcid.org\/0000-0001-5169-2690\">ORCiD<\/a><\/p>\n\n\n\n<p><strong>Education:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2015 Ph.D., University of Grenoble-Alpes, Grenoble, France<\/li>\n\n\n\n<li>2012 M.S., University Joseph Fourier, Grenoble, France<\/li>\n\n\n\n<li>2010 B.S., University Babe\u0219-Bolyai, Cluj-Napoca, Romania<\/li>\n<\/ul>\n<\/div><\/div>\n\n<\/div><\/div>\n\n\n<p><strong>Research Interests:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nanomagnetism<\/li>\n\n\n\n<li>Magnetic metamaterials, especially Artificial Spin Ice Systems<\/li>\n\n\n\n<li>Optical and magneto-optical metamaterials (metaoptics)<\/li>\n\n\n\n<li>Classical frustrated spin models<\/li>\n\n\n\n<li>Polarimetry and optical sensing<\/li>\n<\/ul>\n\n\n\n<p>Dr. Chioar\u2019s research group focuses on studying magnetic and optical metamaterials, both from a fundamental science standpoint and for potential applications in computing and sensing technologies. These nanoarchitectures offer a bountiful playground to design, visualize, control, and harness collective many-body phenomena at the forefront of nanomagnetism and nanooptics. The research employs various magnetic and optical characterization techniques and can also be complemented by numerical\/theoretical undertakings. Current research projects focus on artificial spin ice systems and the investigation of new magneto-optical metamaterial designs.<\/p>\n\n\n\n<p><strong>Selected Publications<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>I.-A. Chioar, N. Rougemaille, A. Grimm, O. Fruchart, E. Wagner, M. Hehn, D. Lacour, F. Montaigne, and B. Canals,\u201d Nonuniversality of artificial frustrated spin systems\u201d,&nbsp;<a href=\"https:\/\/journals.aps.org\/prb\/abstract\/10.1103\/PhysRevB.90.064411\"><em>Physical Review B&nbsp;<strong>90<\/strong>, 064411 (2014).<\/em><\/a><\/li>\n\n\n\n<li>I.-A. Chioar, N. Rougemaille and B. Canals, \u201cGround-state candidate for the classical dipolar kagome Ising antiferromagnet\u201d,&nbsp;<a href=\"https:\/\/journals.aps.org\/prb\/abstract\/10.1103\/PhysRevB.93.214410\"><em>Physical Review B&nbsp;<strong>93<\/strong>, 214410 (2016)<\/em><\/a><em>.<\/em><\/li>\n\n\n\n<li>B. Canals, I.-A. Chioar, V.-D. Nguyen, M. Hehn, D. Lacour, F. Montaigne, A. Locatelli, T. O. Mente\u015f, B. S. Burgos, and N. Rougemaille, \u201cFragmentation of magnetism in artificial kagome dipolar spin ice\u201d,&nbsp;<em>&nbsp;<\/em><a href=\"https:\/\/www.nature.com\/articles\/ncomms11446\"><em>Nature Communications&nbsp;<strong>7<\/strong>, 11446 (2016)<\/em><\/a><em>.<\/em><\/li>\n\n\n\n<li>E. \u00d6stman, H. Stopfel, I.-A. Chioar, U. B. Arnalds, A. Stein, V. Kapaklis, and B. Hj\u00f6rvarsson,&nbsp;<a href=\"https:\/\/www.nature.com\/articles\/s41567-017-0027-2\"><em>Nature Physics&nbsp;<strong>14<\/strong>, 375\u2013379 (2018)<\/em><\/a><em>.<\/em><\/li>\n\n\n\n<li>N. Maccaferri, I. Zubritskaya, I. Razdolski, I.-A. Chioar, V. Belotelov, V. Kapaklis, P.M. Oppeneer, A. Dmitriev, \u201cNanoscale magnetoplasmonics (Review)\u201d,&nbsp;<a href=\"https:\/\/pubs.aip.org\/aip\/jap\/article\/127\/8\/080903\/157209\/Nanoscale-magnetophotonics\"><em>Journal of Applied Physics&nbsp;<strong>127<\/strong>, 080903 (2020)<\/em><\/a><\/li>\n\n\n\n<li>I.-A. Chioar, C. Vantaraki, M. Pohlit, R. M. Rowan-Robinson, E. Th. Papaioannou, B. Hj\u00f6rvarsson, and V. Kapaklis, \u201cSteering light with magnetic textures\u201d,&nbsp;<a href=\"https:\/\/pubs.aip.org\/aip\/apl\/article\/120\/3\/032407\/2832838\/Steering-light-with-magnetic-textures\"><em>Applied Physics Letters&nbsp;<strong>120<\/strong>, 032407 (2022)<\/em><\/a><\/li>\n\n\n\n<li>X. Zhang, I.-A. Chioar, G. Fitez, A. Hurben, M. Saccone, N.S. Bingham, J. Ramberger, C. Leighton, C. Nisoli, P.Schiffer, \u201cArtificial Magnetic Tripod Ice\u201d,&nbsp;<a href=\"https:\/\/journals.aps.org\/prl\/abstract\/10.1103\/PhysRevLett.131.126701\"><em>Physics Review Letters&nbsp;<strong>131<\/strong>, 126701 (2023)<\/em><\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Ioan-Augustin Chioar Assistant Professor of Physics Address: 5708 ESRB-Barrows, Room 253 Telephone: (207) 581-2257 Email:&nbsp;ioanaugustin.chioar@maine.edu Additional links:\u00a0Google Scholar,\u00a0\u00a0ORCiD Education: Research Interests: Dr. Chioar\u2019s research group focuses on studying magnetic and optical metamaterials, both from a fundamental science standpoint and for potential applications in computing and sensing technologies. These nanoarchitectures offer a bountiful playground to design, [&hellip;]<\/p>\n","protected":false},"author":197,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-2692","page","type-page","status-publish","hentry"],"taxonomy_info":[],"featured_image_src_large":false,"author_info":{"display_name":"tracyrichardson","author_link":"https:\/\/umaine.edu\/first\/author\/tracyrichardson\/"},"comment_info":0,"_links":{"self":[{"href":"https:\/\/umaine.edu\/first\/wp-json\/wp\/v2\/pages\/2692","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/umaine.edu\/first\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/umaine.edu\/first\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/umaine.edu\/first\/wp-json\/wp\/v2\/users\/197"}],"replies":[{"embeddable":true,"href":"https:\/\/umaine.edu\/first\/wp-json\/wp\/v2\/comments?post=2692"}],"version-history":[{"count":4,"href":"https:\/\/umaine.edu\/first\/wp-json\/wp\/v2\/pages\/2692\/revisions"}],"predecessor-version":[{"id":2698,"href":"https:\/\/umaine.edu\/first\/wp-json\/wp\/v2\/pages\/2692\/revisions\/2698"}],"wp:attachment":[{"href":"https:\/\/umaine.edu\/first\/wp-json\/wp\/v2\/media?parent=2692"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}