{"id":1661,"date":"2024-08-09T08:40:53","date_gmt":"2024-08-09T08:40:53","guid":{"rendered":"https:\/\/sugino.issp.u-tokyo.ac.jp\/?page_id=1661"},"modified":"2024-08-18T09:07:21","modified_gmt":"2024-08-18T09:07:21","slug":"recent-researches","status":"publish","type":"page","link":"https:\/\/sugino.issp.u-tokyo.ac.jp\/?page_id=1661","title":{"rendered":"Recent Researches"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\">\u8868\u9762\u30fb\u754c\u9762\u7269\u7406<\/h4>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-color has-link-color has-system-serif-font-family wp-elements-ffeaf089ff288cb4583212b0409d227a\" style=\"color:#145f81\"><strong>Time-dependent electron transfer and energy dissipation in condensed media: <\/strong><strong>E. Arguelles and O Sugino , J. Chem. Phys. 160, 144102 (2024)<\/strong>.<\/p>\n\n\n\n<p>\u79fb\u52d5\u3059\u308b\u30d7\u30ed\u30c8\u30f3\u304c\u6eb6\u5a92\u4e2d\u306e\u91d1\u5c5e\u96fb\u6975\u3068\u76f8\u4e92\u4f5c\u7528\u3059\u308b\u73fe\u8c61\u3092\u3001\u30b1\u30eb\u30c7\u30a3\u30c3\u30b7\u30e5\u30fb\u30b0\u30ea\u30fc\u30f3\u95a2\u6570\u3092\u7528\u3044\u3066\u7814\u7a76\u3059\u308b\u3002\u30d7\u30ed\u30c8\u30f3\u306e\u904b\u52d5\u3068\u6eb6\u5a92\u306e\u30d5\u30a9\u30ce\u30f3\u3068\u306e\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0\u304c\u975e\u65ad\u71b1\u7684\u306b\u96fb\u5b50\u79fb\u52d5\u3092\u6291\u5236\u3059\u308b\u3053\u3068\u3092\u793a\u3057\u305f\u3002\u307e\u305f\u3001\u30d7\u30ed\u30c8\u30f3\u306e\u904b\u52d5\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u91d1\u5c5e\u4e2d\u306e\u96fb\u5b50-\u30db\u30fc\u30eb\u5bfe\u306e\u52b1\u8d77\u306e\u305f\u3081\u306b\u6563\u9038\u3055\u308c\u3001\u3055\u3089\u306b\u3053\u306e\u904e\u7a0b\u306f\u6eb6\u5a92\u30d5\u30a9\u30ce\u30f3\u3068\u306e\u76f8\u4e92\u4f5c\u7528\u306b\u3088\u3063\u3066\u59a8\u3052\u3089\u308c\u3001\u96fb\u6975\u306b\u5370\u52a0\u3055\u308c\u305f\u96fb\u4f4d\u306b\u3088\u3063\u3066\u4fc3\u9032\u3055\u308c\u308b\u3053\u3068\u3092\u660e\u3089\u304b\u306b\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"368\" height=\"242\" src=\"https:\/\/sugino.issp.u-tokyo.ac.jp\/wp-content\/uploads\/2024\/07\/image-3.png\" alt=\"\" class=\"wp-image-1379\" srcset=\"https:\/\/sugino.issp.u-tokyo.ac.jp\/wp-content\/uploads\/2024\/07\/image-3.png 368w, https:\/\/sugino.issp.u-tokyo.ac.jp\/wp-content\/uploads\/2024\/07\/image-3-300x197.png 300w, https:\/\/sugino.issp.u-tokyo.ac.jp\/wp-content\/uploads\/2024\/07\/image-3-350x230.png 350w\" sizes=\"(max-width: 368px) 100vw, 368px\" \/><\/figure>\n<\/div>\n\n\n\n<p class=\"has-text-color has-link-color has-system-serif-font-family wp-elements-b612976c53ca3b3a1b488377105df8fb\" style=\"color:#145f81\"><br><span><b>Effect of Nitrogen Doping and Oxygen Vacancy on the Oxygen Reduction Reaction on the Tetragonal Zirconia(101) Surface: S. Muhammady,\u00a0J. Haruyama,\u00a0S. Kasamatsu,\u00a0and O Sugino, <\/b><\/span><strong>J. Phys. Chem. C 2022, 126, 37, 15662\u201315670 (2022).<\/strong><\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-system-serif-font-family wp-elements-af6beee75da5a09ff00db8fc5932ab54\" style=\"color:#145f81\"><strong>Correction to \u201cEffect of Nitrogen Doping and Oxygen Vacancy on the Oxygen Reduction Reaction on the Tetragonal Zirconia(101) Surface\u201d: S. Muhammady,\u00a0J. Haruyama,\u00a0S. Kasamatsu,\u00a0and O Sugino, J. Phys. Chem. C, 128, 24, 10248\u20131024 (2024).<\/strong><\/p>\n\n\n\n<p>Using exhaustive first-principles sampling, we simulated oxygen reduction on defective tetragonal zirconia (101) by introducing two nitrogen dopants at the expense of one oxygen vacancy. Our analysis reveals that the energy barrier in the rate-limiting step, identified as the removal of OH* (OH* + H<sup>+<\/sup> + e<sup>&#8211;<\/sup> \u2192 H<sub>2<\/sub>O), is slightly reduced compared to the pristine surface. This result indicates that defects play a minor role in enhancing the catalytic activity of oxygen reduction.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"362\" height=\"195\" src=\"https:\/\/sugino.issp.u-tokyo.ac.jp\/wp-content\/uploads\/2024\/07\/image-5.png\" alt=\"\" class=\"wp-image-1385\" srcset=\"https:\/\/sugino.issp.u-tokyo.ac.jp\/wp-content\/uploads\/2024\/07\/image-5.png 362w, https:\/\/sugino.issp.u-tokyo.ac.jp\/wp-content\/uploads\/2024\/07\/image-5-300x162.png 300w\" sizes=\"(max-width: 362px) 100vw, 362px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u8d85\u4f1d\u5c0e<\/h4>\n\n\n\n<p class=\"has-text-color has-link-color has-system-serif-font-family wp-elements-cf8025c03f371ca055b0037897653507\" style=\"color:#145f81\"><strong>Magnetic phases of electron-doped infinite-layer Sr<sub>1-x<\/sub>La<em><sub>x<\/sub><\/em>CuO<sub>2<\/sub> from first-principles density functional calculations: A. N. Tatan, J. Haruyama, and O. Sugino, Phys. Rev. B 109, 165134 (2024)<\/strong>.<\/p>\n\n\n\n<p>\u96fb\u5b50\u30c9\u30fc\u30d7\u7121\u9650\u5c64\u9285\u9178\u5316\u7269\u306e\u78c1\u6027\u76f8\u3092\u7b2c\u4e00\u539f\u7406\u5bc6\u5ea6\u6c4e\u95a2\u6570\u8a08\u7b97\u306b\u3088\u3063\u3066\u660e\u3089\u304b\u306b\u3057\u305f\u3002 \u78c1\u6c17\u63fa\u3089\u304e\u3068\u30e9\u30f3\u30bf\u30f3\u7f6e\u63db\u304c\u96fb\u5b50\u69cb\u9020\u306b\u53ca\u307c\u3059\u5f71\u97ff\u3092\u793a\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"389\" height=\"177\" src=\"https:\/\/sugino.issp.u-tokyo.ac.jp\/wp-content\/uploads\/2024\/07\/image-9.png\" alt=\"\" class=\"wp-image-1389\" srcset=\"https:\/\/sugino.issp.u-tokyo.ac.jp\/wp-content\/uploads\/2024\/07\/image-9.png 389w, https:\/\/sugino.issp.u-tokyo.ac.jp\/wp-content\/uploads\/2024\/07\/image-9-300x137.png 300w\" sizes=\"(max-width: 389px) 100vw, 389px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u96fb\u5b50\u30fb\u30d5\u30a9\u30ce\u30f3\u76f8\u4e92\u4f5c\u7528<\/h4>\n\n\n\n<p class=\"has-text-color has-link-color has-system-serif-font-family wp-elements-26fda8b2dbb2449de46312db131f2b30\" style=\"color:#145f81\"><strong>Optical representation of thermal nuclear fluctuation effect on band-gap renormalization: K. Ishii, J. Haruyama, and O. Sugino, Phys. Rev. B 104, 245144 (2021)<\/strong>.<\/p>\n\n\n\n<p>\u683c\u5b50\u306e\u91cf\u5b50\u30fb\u71b1\u63fa\u3089\u304e\u306b\u3088\u308b\u30d0\u30f3\u30c9\u30ae\u30e3\u30c3\u30d7\u306e\u5909\u5316\u306e\u7814\u7a76\u3002\u3053\u308c\u3092\u5149\u5b66\u9077\u79fb\u884c\u5217\u3068\u3044\u3046\u89b3\u70b9\u304b\u3089\u6349\u3048\u76f4\u3059\u3053\u3068\u306b\u3088\u308a\u3001\u5909\u5316\u306e\u7269\u8cea\u4f9d\u5b58\u6027\u3092\u8aac\u660e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"302\" height=\"153\" src=\"https:\/\/sugino.issp.u-tokyo.ac.jp\/wp-content\/uploads\/2024\/07\/image-7.png\" alt=\"\" class=\"wp-image-1387\" srcset=\"https:\/\/sugino.issp.u-tokyo.ac.jp\/wp-content\/uploads\/2024\/07\/image-7.png 302w, https:\/\/sugino.issp.u-tokyo.ac.jp\/wp-content\/uploads\/2024\/07\/image-7-300x153.png 300w\" sizes=\"(max-width: 302px) 100vw, 302px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u8868\u9762\u30fb\u754c\u9762\u7269\u7406 Time-dependent electron transfer and energy dissipation in condensed media: E. Arguelles and O Sugino , J. Chem. Phys. 160, 144102 (2024). \u79fb\u52d5\u3059\u308b\u30d7\u30ed\u30c8\u30f3\u304c\u6eb6\u5a92\u4e2d\u306e\u91d1\u5c5e\u96fb\u6975\u3068\u76f8\u4e92\u4f5c\u7528\u3059\u308b\u73fe\u8c61\u3092\u3001\u30b1\u30eb\u30c7\u30a3\u30c3\u30b7\u30e5\u30fb\u30b0\u30ea\u30fc\u30f3\u95a2\u6570\u3092\u7528\u3044\u3066\u7814\u7a76\u3059\u308b\u3002\u30d7\u30ed\u30c8\u30f3\u306e\u904b\u52d5\u3068\u6eb6\u5a92\u306e\u30d5\u30a9\u30ce\u30f3\u3068\u306e\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0\u304c\u975e\u65ad\u71b1\u7684\u306b\u96fb\u5b50\u79fb\u52d5\u3092\u6291\u5236\u3059\u308b\u3053\u3068\u3092\u793a\u3057\u305f\u3002\u307e\u305f\u3001\u30d7\u30ed\u30c8\u30f3\u306e\u904b\u52d5\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u91d1\u5c5e\u4e2d\u306e\u96fb\u5b50-\u30db\u30fc\u30eb\u5bfe\u306e\u52b1\u8d77\u306e\u305f\u3081\u306b\u6563\u9038\u3055\u308c\u3001\u3055\u3089\u306b\u3053\u306e\u904e\u7a0b\u306f\u6eb6\u5a92\u30d5\u30a9\u30ce\u30f3\u3068\u306e\u76f8\u4e92\u4f5c\u7528\u306b\u3088\u3063\u3066\u59a8\u3052\u3089\u308c\u3001\u96fb\u6975\u306b\u5370\u52a0\u3055\u308c\u305f\u96fb\u4f4d\u306b\u3088\u3063\u3066\u4fc3\u9032\u3055\u308c\u308b\u3053\u3068\u3092\u660e\u3089\u304b\u306b\u3057\u305f\u3002 Effect of Nitrogen Doping and Oxygen Vacancy on the Oxygen Reduction Reaction on the Tetragonal Zirconia(101) Surface: S. Muhammady,\u00a0J. Haruyama,\u00a0S. Kasamatsu,\u00a0and O Sugino, J. Phys. Chem. C 2022, 126, 37, 15662\u201315670 (2022). [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1661","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sugino.issp.u-tokyo.ac.jp\/index.php?rest_route=\/wp\/v2\/pages\/1661"}],"collection":[{"href":"https:\/\/sugino.issp.u-tokyo.ac.jp\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sugino.issp.u-tokyo.ac.jp\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sugino.issp.u-tokyo.ac.jp\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/sugino.issp.u-tokyo.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1661"}],"version-history":[{"count":48,"href":"https:\/\/sugino.issp.u-tokyo.ac.jp\/index.php?rest_route=\/wp\/v2\/pages\/1661\/revisions"}],"predecessor-version":[{"id":1974,"href":"https:\/\/sugino.issp.u-tokyo.ac.jp\/index.php?rest_route=\/wp\/v2\/pages\/1661\/revisions\/1974"}],"wp:attachment":[{"href":"https:\/\/sugino.issp.u-tokyo.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}