{"id":9741,"date":"2024-07-24T12:08:02","date_gmt":"2024-07-24T03:08:02","guid":{"rendered":"https:\/\/physics.gist.ac.kr\/?post_type=research_news&#038;p=9741"},"modified":"2024-07-25T09:55:49","modified_gmt":"2024-07-25T00:55:49","slug":"%ec%9d%b4%ec%a2%85%ec%84%9d-%ea%b5%90%ec%88%98-%ec%97%b0%ea%b5%ac%ed%8c%80-%eb%ac%bc%eb%a6%ac%ed%95%99-109%eb%85%84-%eb%82%9c%ec%a0%9c%ed%92%80%ec%96%b4-%eb%af%b8%ec%8b%9c-%ea%b1%b0%ec%8b%9c","status":"publish","type":"research_news","link":"https:\/\/physics.gist.ac.kr\/en\/news-events\/research_highlights_news\/%ec%9d%b4%ec%a2%85%ec%84%9d-%ea%b5%90%ec%88%98-%ec%97%b0%ea%b5%ac%ed%8c%80-%eb%ac%bc%eb%a6%ac%ed%95%99-109%eb%85%84-%eb%82%9c%ec%a0%9c%ed%92%80%ec%96%b4-%eb%af%b8%ec%8b%9c-%ea%b1%b0%ec%8b%9c\/","title":{"rendered":"[\ucd5c\uc778\ud601 \ubc15\uc0ac, \uc2e0\ub3d9\ube48 \uad50\uc218, \uc774\uc885\uc11d \uad50\uc218] \ubb3c\ub9ac\ud559 &#8216;109\ub144 \ub09c\uc81c&#8217;\ud480\uc5b4&#8230; \ubbf8\uc2dc-\uac70\uc2dc\uc138\uacc4 \uac01\uc6b4\ub3d9\ub7c9 \uc804\ub2ec \uba54\ucee4\ub2c8\uc998 \ubc1d\ud600"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" style=\"font-size:37px\">GIST, \ubb3c\ub9ac\ud559 &#8216;109\ub144 \ub09c\uc81c&#8217; \ud480\uc5b4&#8230; \ubbf8\uc2dc-\uac70\uc2dc\uc138\uacc4 \uac01\uc6b4\ub3d9\ub7c9 \uc804\ub2ec \uba54\ucee4\ub2c8\uc998 \ubc1d\ud600<\/h2>\n\n\n\n<p><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<h2 class=\"wp-block-heading has-text-align-left\" style=\"font-size:20px\">&#8211; \ubb3c\ub9ac\u00b7\uad11\uacfc\ud559\uacfc \uc774\uc885\uc11d \uad50\uc218\ud300, \uc778\uacf5\uad6c\uc870\ubb3c \ud1b5\ud574 &#8216;\uce74\uc774\ub784 \uc5f4\ud3ec\ub17c&#8217; \uc138\uacc4 \ucd5c\ucd08 \uc9c1\uc811 \uad00\uce21&#8230; &#8216;\uc544\uc778\uc288\ud0c0\uc778-\ub354 \ud558\uc2a4 \ud6a8\uacfc&#8217; \ubc1c\uacac(1915\ub144) \ud6c4 \ubbf8\uc2dc \u2192 \uac70\uc2dc\uc138\uacc4 \uac01\uc6b4\ub3d9\ub7c9 \uc804\ub2ec \uc6d0\ub9ac \ub09c\uc81c\ub85c \ub0a8\uc544<\/h2>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"> &#8211; &#8220;\ud3ec\ub17c\uc774 \uc790\uae30 \uc218\uc1a1\uc5d0 \uc9c1\uc811\uc801\uc73c\ub85c \uae30\uc5ec\ud560 \uc218 \uc788\uc74c\uc744 \uc785\uc99d\ud55c \uac83\uc73c\ub85c \ud5a5\ud6c4 \ud3ec\ub17c \uacf5\ud559\uacfc\uc2a4\ud540 \uacf5\ud559\uc758 \uc735\ud569\uc5f0\uad6c \ucd08\uc11d \ub9c8\ub828&#8221;&#8230; \uad6d\uc81c\ud559\uc220\uc9c0 \u300aNature Nanotechnology\u300b \uac8c\uc7ac<\/h2>\n<\/div><\/div>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1920\" height=\"1380\" data-id=\"9742\" src=\"https:\/\/physics.gist.ac.kr\/wp-content\/uploads\/2024\/07\/image01.jpg\" alt=\"\" class=\"wp-image-9742\" title=\"\"><\/figure>\n<\/div><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><strong>\u25b2 (\uc624\ub978\ucabd\ubd80\ud130) \ubb3c\ub9ac\u00b7\uad11\uacfc\ud559\uacfc \uc774\uc885\uc11d \uad50\uc218, \ucd5c\uc778\ud601 \ubc15\uc0ac\uacfc\uc815\uc0dd<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p style=\"font-size:21px\"><strong>\uad11\uc8fc\uacfc\ud559\uae30\uc220\uc6d0(GIST, \ucd1d\uc7a5 \uc784\uae30\ucca0)\uc740 \ubb3c\ub9ac\u00b7\uad11\uacfc\ud559\uacfc \uc774\uc885\uc11d \uad50\uc218 \uc5f0\uad6c\ud300\uc774 \uc790\uc131-\ube44\uc790\uc131 \ucd08\uaca9\uc790\uff0a \uc778\uacf5 \uad6c\uc870\ubb3c\uc5d0\uc11c \uac01\uc6b4\ub3d9\ub7c9\uc744 \uc9c0\ub2c8\uace0 \uc788\ub294 \uce74\uc774\ub784 \uc5f4\ud3ec\ub17c\uff0a \uc758 \uc0dd\uc131\uc744 \ud655\uc778\ud558\ub294 \ub370 \uc131\uacf5\ud588\ub2e4\uace0 \ubc1d\ud614\ub2e4.<\/strong><\/p>\n\n\n\n<p>\uff0a<strong>\ucd08\uaca9\uc790<\/strong>: \ub450 \uc885\ub958 \uc774\uc0c1\uc758 \ubb3c\uc9c8\uc774 \uc8fc\uae30\uc801\uc778 \uce35\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c4 \uad6c\uc870\ub85c, \ubcf4\ud1b5 \uac01 \uce35 \ub450\uaed8\ub294 \uc218 \ub098\ub178\ubbf8\ud130 \uc815\ub3c4\ub2e4.                                                                                                                                                                                \uff0a<strong>\uce74\uc774\ub784 \uc5f4\ud3ec\ub17c<\/strong>: \uce74\uc774\ub784 \ud3ec\ub17c\uc740 \uaca9\uc790\uac00 \uc9d1\ub2e8\uc801\uc73c\ub85c \ud68c\uc804\ud558\uba70 \uc6c0\uc9c1\uc774\uba70 \ubb3c\uc9c8 \uc18d\uc5d0\uc11c \uc804\ud30c\ud574 \ub098\uac00\ub294 \ud3ec\ub17c\uc73c\ub85c, \uc11c\ub85c \uac70\uc6b8\uc0c1\uc774\uc9c0\ub9cc \uacb9\uce58\uc9c0 \uc54a\ub294 \uc131\uc9c8\uc778 \uce74\uc774\ub784\uc131\uc744 \uc9c0\ub2cc\ub2e4. \uc5f4\ud1b5\uacc4\ub97c \ub530\ub974\ub294 \uce74\uc774\ub784 \ud3ec\ub17c\uc744 \uce74\uc774\ub784 \uc5f4\ud3ec\ub17c\uc774\ub77c\uace0 \ud55c\ub2e4. <\/p>\n\n\n\n<p><\/p>\n\n\n\n<p style=\"font-size:21px\"><strong>\uac01\uc6b4\ub3d9\ub7c9 \ubcf4\uc874 \ubc95\uce59\uff0a\uc740 \uc5d0\ub108\uc9c0 \ubcf4\uc874 \ubc95\uce59, \uc6b4\ub3d9\ub7c9 \ubcf4\uc874 \ubc95\uce59\uacfc \ud568\uaed8 \ubb3c\ub9ac\ud604\uc0c1\uc744 \uc124\uba85\ud558\ub294 \uac00\uc7a5 \uadfc\ubcf8\uc801\uc778 \uc138 \uac00\uc9c0 \ubc95\uce59 \uc911 \ud558\ub098\ub85c\uc11c, \uace0\uc804\uc5ed\ud559\uc73c\ub85c \uae30\uc220\ub418\ub294 \uac70\uc2dc\uc138\uacc4\uc640 \uc591\uc790\uc5ed\ud559\uc73c\ub85c \uae30\uc220\ub418\ub294 \ubbf8\uc2dc\uc138\uacc4\uc5d0 \ubaa8\ub450 \uc801\uc6a9\ub41c\ub2e4.<\/strong><\/p>\n\n\n\n<p style=\"font-size:21px\"><strong>\ud53c\uaca8\uc2a4\ucf00\uc774\ud305 \uc120\uc218\uac00 \ud68c\uc804\ud560 \ub54c \ubab8\uc744 \uc6c0\uce20\ub9ac\ub294 \ub3d9\uc2dc\uc5d0 \ud314\uc744 \uc624\ubbc0\ub9ac\ub294 \ud589\ub3d9\uc740 \ud68c\uc804\uad00\uc131\uc744 \uc904\uc5ec \ud68c\uc804 \uc18d\ub3c4\ub97c \uc870\uc808\ud558\ub294 \uac83\uc774\uba70, \ud5ec\ub9ac\ucf65\ud130\uc5d0\uc11c \uaf2c\ub9ac \ub0a0\uac1c\ub97c \ud65c\uc6a9\ud558\uc5ec \uade0\ud615\uc744 \uc7a1\ub294 \uac83\uc740 \uc2e4\uc0dd\ud65c\uc5d0\uc11c \uac01\uc6b4\ub3d9\ub7c9 \ubcf4\uc874 \ubc95\uce59\uc73c\ub85c \uc124\uba85\ub418\ub294 \uc0ac\ub840\uc774\ub2e4.<\/strong><\/p>\n\n\n\n<p>\uff0a<strong>\uac01\uc6b4\ub3d9\ub7c9 \ubcf4\uc874 \ubc95\uce59<\/strong>: \uc678\ubd80\ub85c\ubd80\ud130 \ud68c\uc804\ub825\uc774 \uc791\uc6a9\ud558\uc9c0 \uc54a\ub294 \ud55c \ud68c\uc804\uccb4\uc758 \uac01\uc6b4\ub3d9\ub7c9\uc740 \uc77c\uc815\ud558\uac8c \ubcf4\uc874\ub418\ub294 \uac83\uc744 \uc758\ubbf8\ud558\uba70, \ud68c\uc804\ud558\ub294 \ubb3c\uccb4\uc758 \uc9c8\ub7c9\uc740 \uc77c\uc815\ud558\uae30 \ub54c\ubb38\uc5d0 \ud68c\uc804\uc18d\ub3c4\ub294 \ubc18\ube44\ub840\ud55c\ub2e4. \uac01\uc6b4\ub3d9\ub7c9= \uc9c8\ub7c9 X \uc18d\ub3c4 X \ubc18\uc9c0\ub984\uc73c\ub85c \uc815\uc758\ub41c\ub2e4.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p style=\"font-size:21px\"><strong>1915\ub144, \uc54c\ubc84\ud2b8 \uc544\uc778\uc288\ud0c0\uc778(Albert Einstein)\uacfc \ubc18\ub354\ub974 \uc694\ud558\ub124\uc2a4 \ub354 \ud558\uc2a4( Wander Johannes de Hass)\ub294 \ubbf8\uc2dc\uc138\uacc4\uc5d0\uc11c \uac70\uc2dc\uc138\uacc4\ub85c\ub3c4 \uac01\uc6b4\ub3d9\ub7c9\uc774 \ubcf4\uc874\ub41c\ub2e4\ub294 \uac83\uc744 \uc544\uc778\uc288\ud0c0\uc778-\ub354 \ud558\uc2a4 \ud6a8\uacfc\uff0a\ub97c \ud1b5\ud574 \uc2e4\ud5d8\uc801\uc73c\ub85c \ud655\uc778\ud558\uc600\uc9c0\ub9cc \uc5b4\ub5a0\ud55c \uc6d0\ub9ac\ub85c \ubbf8\uc2dc\uc138\uacc4\uc5d0\uc11c \uac70\uc2dc\uc138\uacc4\ub85c \uac01\uc6b4\ub3d9\ub7c9\uc744 \uc804\ub2ec\ud558\ub294 \uc9c0\uc5d0 \ub300\ud574\uc11c\ub294 \ucd08\uace0\uc18d \uce21\uc815 \uae30\uc220\uc758 \ud55c\uacc4\ub85c 1915\ub144 \uc774\ud6c4 100\ub144\uc774 \ub118\ub3c4\ub85d \ubc1d\ud600\uc9c0\uc9c0 \uc54a\uc558\ub2e4.<\/strong><\/p>\n\n\n\n<p>\uff0a<strong>\uc544\uc778\uc288\ud0c0\uc778-\ub354 \ud558\uc2a4 \ud6a8\uacfc(Einstein-de Hass effect)<\/strong>: \uc790\uc131 \ubb3c\uc9c8 \ub0b4\uc5d0 \ubb34\uc791\uc704\ub85c \uc815\ub82c\ub41c \ubbf8\uc2dc\uc138\uacc4\uc18d \uc790\uae30 \uc30d\uadf9\uc790\ub4e4\uc774 \uc678\ubd80 \uc790\uae30\uc7a5, \uc628\ub3c4 \ubcc0\ud654\ub97c \ud1b5\ud574 \ud55c \ubc29\ud5a5\uc73c\ub85c \uc815\ub82c\ub420 \uc218 \uc788\uc73c\uba70, \uc2a4\ud540 \uac01\uc6b4\ub3d9\ub7c9\uc774 \ubcc0\ud558\uac8c \ub41c\ub2e4. \uc774\ub54c \uac01\uc6b4\ub3d9\ub7c9 \ubcf4\uc874 \ubc95\uce59\uc744 \ub9cc\uc871\ud558\uae30 \uc704\ud574 \uac70\uc2dc\uc138\uacc4\uc758 \uc790\uc131 \ubb3c\uccb4\uac00 \ud68c\uc804\ud558\uac8c \ub418\ub294\ub370 \uc774\ub294 \ubbf8\uc2dc\uc138\uacc4-\uac70\uc2dc\uc138\uacc4 \uac01\uc6b4\ub3d9\ub7c9 \uc804\ub2ec\uc744 \ubcf4\uc5ec\uc8fc\ub294 \ub300\ud45c\uc801\uc778 \ud6a8\uacfc \uc911 \ud558\ub098\uc774\ub2e4.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p style=\"font-size:21px\"><strong>\uadf8\ub7ec\ub098 \uacfc\ud559\uae30\uc220\uc758 \uae09\uc18d\ud55c \ubc1c\uc804\uc5d0 \ub530\ub77c \uc2a4\ud540-\uaca9\uc790 \uc0c1\ud638\uc791\uc6a9\uff0a\uc744 \ud1b5\ud574 \ubbf8\uc2dc\uc138\uacc4 \uc18d \uc2a4\ud540\uc5d0\uc11c \uaca9\uc790\ub4e4\uc758 \uc9d1\ub2e8 \uc6c0\uc9c1\uc784\uc778 \ud3ec\ub17c\uff0a\uc73c\ub85c \uac01\uc6b4\ub3d9\ub7c9\uc744 \uc804\ub2ec\ud560 \uc218 \uc788\ub2e4\ub294 \uc0ac\uc2e4\uc774 2022\ub144 \ub3c5\uc77c \ucf58\uc2a4\ud0c4\uce20 \ub300\ud559\uad50(Universitat Konstanz) \uc5f0\uad6c\ud300\uc5d0 \uc758\ud574 \uc2e4\ud5d8\uc801\uc73c\ub85c \ubc1d\ud600\uc84c\ub2e4[<em>Nature<\/em> 602, 73 (2022)]. \uc774\ub54c \uac01\uc6b4\ub3d9\ub7c9\uc744 \uc804\ub2ec\ubc1b\uc740 \ud3ec\ub17c\uc744 \uce74\uc774\ub784 \ud3ec\ub17c\uc774\ub77c\uace0 \ubd80\ub974\uba70, \uc774\ub294 \ubbf8\uc2dc\uc138\uacc4\uc640 \uac70\uc2dc\uc138\uacc4\ub97c \uc774\uc5b4\uc8fc\ub294 \ud575\uc2ec\uc801\uc778 \uac01\uc6b4\ub3d9\ub7c9 \uc804\ub2ec \ub9e4\uac1c\uccb4\uc774\ub2e4.<\/strong><\/p>\n\n\n\n<p>\uff0a<strong>\uc2a4\ud540-\uaca9\uc790 \uc0c1\ud638\uc791\uc6a9<\/strong>: \uace0\uccb4 \ub0b4\ubd80\uc5d0\uc11c \uc785\uc790\uc758 \uae30\ubcf8 \ubb3c\ub9ac\ub7c9 \uc911 \ud558\ub098\uc778 \uc2a4\ud540\uacfc \ubc18\ubcf5\uc801\uc73c\ub85c \ubc30\uc5f4\ub41c \uaca9\uc790\uac00 \uc11c\ub85c \uac15\ud558\uac8c \uc601\ud5a5\uc744 \ubc1b\ub294 \ud604\uc0c1                                                                                                                            \uff0a<strong>\ud3ec\ub17c<\/strong>: \ub300\uce6d\uc131\uc758 \uaddc\uce59\uc5d0 \ub530\ub77c \ubc18\ubcf5\uc801\uc73c\ub85c \ubc30\uc5f4\ub41c \uad6c\uc870\uc778 \uaca9\uc790\uc758 \uc9d1\ub2e8\uc801 \uc6c0\uc9c1\uc784.            <\/p>\n\n\n\n<p><\/p>\n\n\n\n<p style=\"font-size:21px\"><strong>\uadf8\ub7fc\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \uce74\uc774\ub784 \ud3ec\ub17c\uc758 \uc0dd\uc131(\uc218 \ud53c\ucf54\ucd08\uff0a)\uacfc \uc544\uc778\uc288\ud0c0\uc778-\ub354 \ud558\uc2a4 \ud6a8\uacfc(\uc218\ubc00\ub9ac\ucd08\uff0a) \uc0ac\uc774\uc5d0 \ubc29\ub300\ud55c \uc2dc\uac04\uc801 \ucc28\uc774\uac00 \uc874\uc7ac\ud558\uba70, \uadf8 \uc0ac\uc774\uc5d0 \uc5b4\ub5a0\ud55c \uc77c\uc774 \uc77c\uc5b4\ub098\ub294\uc9c0\ub294 \uc9c0\uae08\uae4c\uc9c0\ub3c4 \uc218\uc218\uaed8\ub07c\ub85c \ub0a8\uc544 \uc788\ub2e4.<\/strong><\/p>\n\n\n\n<p>\uff0a<strong>\ud53c\ucf54\ucd08<\/strong>: 1\uc870\ubd84\uc758 1\ucd08                                                                                                                                       \uff0a<strong>\ubc00\ub9ac\ucd08<\/strong>: 1\ucc9c\ubd84\uc758 1\ucd08<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p style=\"font-size:21px\"><strong>\uc5f0\uad6c\ud300\uc740 \uc790\uc131 \uc0b0\ud654\ubb3c SrRuO3\uc640 \ube44\uc790\uc131 \uc0b0\ud654\ubb3c SrTiO3\uc744 \uacb0\ud569\uc2dc\ud0a8 \ucd08\uaca9\uc790 \ud615\ud0dc\uc758 \uc778\uacf5 \ubcf5\ud569 \uad6c\uc870\ubb3c(artificial heterostructure)\uc744 \ub9cc\ub4e4\uc5c8\uace0, \ubcf4\uc2a4-\uc544\uc778\uc288\ud0c0\uc778 \ud1b5\uacc4\uff0a\ub97c \ub530\ub974\ub294 \uce74\uc774\ub784 \uc5f4\ud3ec\ub17c\uc758 \uc0dd\uc131\uc744 \uc138\uacc4 \ucd5c\ucd08\ub85c \uc9c1\uc811 \uad00\uce21\ud558\uc5ec 1\uc870\ubd84\uc758 1\ucd08\uc640 \ucc9c\ubd84\uc758 1\ucd08 \uc0ac\uc774\uc758 \uac01\uc6b4\ub3d9\ub7c9 \uc804\ub2ec\uc758 \uc218\uc218\uaed8\ub07c\ub97c \ud478\ub294 \ub370 \uc131\uacf5\ud588\ub2e4.<\/strong><\/p>\n\n\n\n<p>\uff0a<strong>\ubcf4\uc2a4-\uc544\uc778\uc288\ud0c0\uc778 \ud1b5\uacc4<\/strong>: \ud3ec\ub17c\uacfc \uac19\uc740 \ubcf4\uc874(boson) \uc785\uc790\ub4e4\uc774 \uc5f4\ud3c9\ud615 \uc0c1\ud0dc\uc5d0\uc11c \ub530\ub974\ub294 \ud1b5\uacc4\uc801\uc778 \ubd84\ud3ec<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p style=\"font-size:21px\"><strong>\uc5f0\uad6c\ud300\uc740 \uad11\uc5ec\uae30\uff0a\ub97c \ud1b5\ud574 \uc790\uc131 \uc0b0\ud654\ubb3c \ub8e8\ud14c\ub968\uc0b0 \uc2a4\ud2b8\ub860\ud2ac(SrRuO3)\uff0a\uc5d0\uc11c \ucd08\uace0\uc18d \uc790\uae30\uc18c\uac70\uff0a\ub97c \uc720\ub3c4\ud558\uace0, \uce74\uc774\ub784 \uc5f4\ud3ec\ub17c\uc744 \uc0dd\uc131\ud558\uc600\ub2e4. \uc774\ub807\uac8c \uc0dd\uc131\ub41c \uce74\uc774\ub784 \uc5f4\ud3ec\ub17c\uc740 \uc778\uc811\ud55c \ube44\uc790\uc131 \ud0c0\uc774\ud0c0\ub284\uc0b0 \uc2a4\ud2b8\ub860\ud2ac(SrTiO3)\uff0a \uce35\uc73c\ub85c \uc804\ub2ec\ub418\uace0 \ub3d9\uc801 \ub2e4\uac15\uc131 \ud6a8\uacfc\uff0a\ub97c \ud1b5\ud574 \ud070 \uc790\uae30 \ubaa8\uba58\ud2b8\ub97c \ud615\uc131\ud558\uac8c \ub41c\ub2e4.<\/strong><\/p>\n\n\n\n<p>\uff0a<strong>\uad11\uc5ec\uae30<\/strong>: \ubc14\ub2e5 \uc0c1\ud0dc\uc5d0 \uc788\ub294 \uc804\uc790\ub4e4\uc5d0 \ub192\uc740 \uc5d0\ub108\uc9c0\ub97c \uac00\uc9c4 \ube5b\uc744 \uc870\uc0ac\ud558\uc5ec \ub4e4\ub72c \uc0c1\ud0dc\ub85c \ub9cc\ub4dc\ub294 \ubc29\ubc95. <\/p>\n\n\n\n<p>\uff0a<strong>\ub8e8\ud14c\ub968\uc0b0 \uc2a4\ud2b8\ub860\ud2ac(SrRuO3)<\/strong>: \ud398\ub85c\ube0c\uc2a4\uce74\uc774\ud2b8 \uc804\uc774\uae08\uc18d \uc0b0\ud654\ubb3c\ub85c \uc804\ub3c4\uc131\uacfc \uc790\uc131\uc744 \ub3d9\uc2dc\uc5d0 \uc9c0\ub2c8\uace0 \uc788\ub2e4. \uac15\ud55c \uc2a4\ud540-\uaca9\uc790 \uc0c1\ud638\uc791\uc6a9\uc744 \ubcf4\uc5ec &#8216;\uc2a4\ud540-\uada4\ub3c4 \ud1a0\ud06c(SOT)&#8217; \uc5f0\uad6c \ub4f1, \uc5ec\ub7ec \uc2a4\ud540\ud2b8\ub85c\ub2c9\uc2a4 \ubd84\uc57c \uc5f0\uad6c\uc5d0 \ub9ce\uc774 \uc0ac\uc6a9\ub418\uace0 \uc788\ub2e4. <\/p>\n\n\n\n<p>\uff0a<strong>\ud0c0\uc774\ud0c0\ub284\uc0b0 \uc2a4\ud2b8\ub860\ud2ac(SrTiO3)<\/strong>: SrRuO3\uc640 \uac19\uc740 \ud398\ub85c\ube0c\uc2a4\uce74\uc774\ud2b8 \uc804\uc774\uae08\uc18d \uc0b0\ud654\ubb3c\ub85c SrRuO3\uc640 \ub2ec\ub9ac \uc808\uc5f0\uccb4\uc774\uba70, \uc790\uc131\uc774 \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294\ub2e4. \ub610\ud55c \ud0c0\uc774\ud0c0\ub284\uc0b0 \uc2a4\ud2b8\ub860\ud2ac\uc740 \uc804\uc774\uae08\uc18d\uc778 \ud0c0\uc774\uc544\ub284\uc758 d\uada4\ub3c4\ub97c \uc810\uc720\ud558\uace0 \uc788\ub294 \uc804\uc790\uac00 \ub2e4\ub978 \uc804\uc774\uae08\uc18d\uc5d0 \ube44\ud574 \uac00\uc7a5 \uc801\uc5b4 \uc0c1\ub300\uc801\uc73c\ub85c \uc804\uc790\uc640 \uc804\uc790 \uac04\uc758 \uc0c1\ud638\uc791\uc6a9\uc774\ub098 \uc804\uc790\uc640 \uaca9\uc790 \uac04\uc758 \uacb0\ud569\uc774 \uc57d\ud55c \ubb3c\uc9c8\ub85c \uc54c\ub824\uc838 \uc654\ub2e4. <\/p>\n\n\n\n<p><strong>\uff0a\ucd08\uace0\uc18d \uc790\uae30\uc18c\uac70<\/strong>: \ube5b\uc5d0\ub108\uc9c0\uc5d0 \uc758\ud574 \uc790\uc131 \ubb3c\uc9c8 \uc18d \uc790\ud654\uac00 \ucd08\uace0\uc18d(\uc218 \ud53c\ucf54\ucd08)\uc73c\ub85c \uac10\uc18c\ud558\ub294 \ud604\uc0c1. <\/p>\n\n\n\n<p><strong>\uff0a\ub3d9\uc801 \ub2e4\uac15\uc131 \ud6a8\uacfc(dynamical mutiferroicity)<\/strong>: \ud68c\uc804\ud558\ub294 \uc804\ud558\ub7c9\uc744 \ub764 \uc774\uc628\ub4e4\uc5d0 \uc758\ud574 \uc804\ub958 \uace0\ub9ac\uac00 \ud615\uc131\ub418\uace0 \uc554\ud398\uc5b4 \ubc95\uce59\uc5d0 \uc758\ud574 \uc790\uae30 \ubaa8\uba58\ud2b8\uac00 \ud615\uc131\ub418\ub294 \ud604\uc0c1.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1423\" height=\"786\" src=\"https:\/\/physics.gist.ac.kr\/wp-content\/uploads\/2024\/07\/image02.jpg\" alt=\"\" class=\"wp-image-9743\" title=\"\"><\/figure>\n\n\n\n<p class=\"has-text-align-left\"><strong>\u25b2 \uc790\uc131 \ubb3c\uc9c8 \ub0b4\uc5d0\uc11c \ubbf8\uc2dc\uc138\uacc4 (\uc2a4\ud540)-\uac70\uc2dc\uc138\uacc4 (\ubb3c\uc9c8 \ud68c\uc804)\ub85c\uc758 \uac01\uc6b4\ub3d9\ub7c9 \uc804\ub2ec \uacfc\uc815. <\/strong>\uad11\uc5ec\uae30\ub97c \ud1b5\ud574 \ucd08\uace0\uc18d \uc790\uae30\uc18c\uac70(ultrafast demagnetization)\uc744 \uc720\ub3c4\ud558\uace0, \uc774\ub54c \uac10\uc18c\ub41c \uc2a4\ud540\uc758 \uac01\uc6b4\ub3d9\ub7c9\uc774 \uce74\uc774\ub784 \ud3ec\ub17c\uc73c\ub85c \uc804\ub2ec\ub418\ub294 \uacfc\uc815\uc744 SrRuO3\/SrTiO3 \ucd08\uaca9\uc790\uc640 \uc2dc\ubd84\ud574 \uc790\uae30\uad11 \ucee4\ud6a8\uacfc\ub97c \ud1b5\ud574 \uc2e4\uc2dc\uac04\uc73c\ub85c \uad00\uce21\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p style=\"font-size:21px\"><strong>\uc5f0\uad6c\ud300\uc740 \ud3a8\ud1a0\ucd08 \ub808\uc774\uc800\ub97c \uc774\uc6a9\ud55c \uc2dc\ubd84\ud574 \uc790\uae30\uad11\ud559 \ucee4 \ud6a8\uacfc(Magneto-optic Kerr effect) \uce21\uc815\uff0a\uc744 \ud1b5\ud574 SrRuO3\/SrTiO3 \ucd08\uaca9\uc790 \ub0b4\uc758 \uce74\uc774\ub784 \uc5f4\ud3ec\ub17c\uc774 \uc0dd\uc131\ud558\ub294 \uc790\uae30 \ubaa8\uba58\ud2b8\ub97c \uc2e4\uc2dc\uac04\uc73c\ub85c \uad00\uce21\ud558\ub294 \ub370 \uc131\uacf5\ud558\uc600\uace0, \uce74\uc774\ub784 \ud3ec\ub17c\uc774 \uc0dd\uc131\ub41c \uc9c1\ud6c4 \ubb3c\uc9c8\uc758 \ud68c\uc804\uc774 \ubc1c\uc0dd\ud558\uae30 \uc804\uae4c\uc9c0 \uce74\uc774\ub784 \uc5f4\ud3ec\ub17c\uc774 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\ub294 \uac83\uc744 \uc2e4\ud5d8\uc801\uc73c\ub85c \ubc1d\ud600\ub0c8\ub2e4.<\/strong><\/p>\n\n\n\n<p>\uff0a<strong>\uc2dc\ubd84\ud574 \uc790\uae30\uad11\ud559 \ucee4 \ud6a8\uacfc \uce21\uc815<\/strong>: \ud38c\ud504\ube54\uacfc \ud504\ub8e8\ube0c\ube54\uc758 \uacbd\ub85c\ucc28\ub97c \uc774\uc6a9\ud558\uc5ec \uad11\uc5ec\uae30\ub41c \ubb3c\uc9c8\uc758 \uc790\uc131\ud2b9\uc131\uc744 \ud3a8\ud1a0\ucd08(1000\uc870\ubd84\uc758 1\ucd08) \ub2e8\uc704\ub85c \ucd94\uc801\ud560 \uc218 \uc788\ub294 \uae30\uc220.<\/p>\n\n\n\n<p style=\"font-size:21px\"><strong>\uc774\uc885\uc11d \uad50\uc218\ub294 &#8220;\uc774\ubc88 \uc5f0\uad6c\ub294 \ud3ec\ub17c\uc774 \uc790\uae30 \uc218\uc1a1\uc5d0 \uc9c1\uc811\uc801\uc73c\ub85c \uae30\uc5ec\ud560 \uc218 \uc788\uc74c\uc744 \uc785\uc99d\ud558\ub294 \uacb0\uacfc\ub85c\uc11c \uc2a4\ud540 \uacf5\ud559\uacfc \ud3ec\ub17c \uacf5\ud559\uc758 \uc811\uc810\uc774 \uc874\uc7ac\ud560 \uc218 \uc788\ub2e4\ub294 \uac00\ub2a5\uc131\uc744 \ubcf4\uc5ec \uc8fc\ub294 \ud55c\ud3b8, \ud5a5\ud6c4 \uc790\uae30 \ubc0f \uc5f4 \uae30\ub2a5\uc131\uc774 \uacb0\ud569\ub41c \ub2e4\uae30\ub2a5\uc131 \ub098\ub178 \uc18c\uc790 \uac1c\ubc1c\uc5d0 \ub300\ud55c \uc911\uc694\ud55c \ub514\ub524\ub3cc\uc744 \uc81c\uc2dc\ud55c \uac83\uc73c\ub85c \ud3c9\uac00\ud560 \uc218 \uc788\ub2e4&#8221;\uace0 \ub9d0\ud588\ub2e4.<\/strong><\/p>\n\n\n\n<p style=\"font-size:21px\"><strong>GIST \ubb3c\ub9ac\u00b7\uad11\uacfc\ud559\uacfc \uc774\uc885\uc11d \uad50\uc218\uac00 \uc9c0\ub3c4\ud558\uace0 \ucd5c\uc778\ud601 \ubc15\uc0ac\uacfc\uc815\uc0dd\uc774 \uc81c 1\uc800\uc790\ub85c \ucc38\uc5ec\ud55c \uc774\ubc88 \uc5f0\uad6c\ub294 \ud55c\uad6d\uc5f0\uad6c\uc7ac\ub2e8\uc758 \uc911\uacac\uc5f0\uad6c\uc790\uc0ac\uc5c5, \uc2e0\uc9c4\uc5f0\uad6c\uc790\uc0ac\uc5c5, \ub098\ub178 \ubc0f \uc18c\uc7ac \uae30\uc220\uac1c\ubc1c\uc0ac\uc5c5 \ub4f1\uc758 \uc9c0\uc6d0\uc744 \ubc1b\uc544 \uc218\ud589\ub418\uc5c8\uc73c\uba70, \uc5f0\uad6c \uacb0\uacfc\ub294 \uc7ac\ub8cc\uacfc\ud559 \uae30\ucd08 \ubc0f \uc751\uc6a9 \uc5f0\uad6c \ubd84\uc57c\uc758 \uc138\uacc4\uc801 \ud559\uc220\uc9c0 \u300a\ub124\uc774\ucc98 \ub098\ub178\ud14c\ud06c\ub180\ub7ec\uc9c0(Nature Nanotechnology)\u300b\uc5d0 2024\ub144 7\uc6d4 12\uc77c \uc628\ub77c\uc778 \uac8c\uc7ac\ub418\uc5c8\ub2e4.<\/strong><\/p>\n\n\n\n<p><strong>Publication Date: July 2024<\/strong><\/p>\n\n\n\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-7873ab5f-494e-49fa-96d6-0c6409588d33\" href=\"https:\/\/physics.gist.ac.kr\/wp-content\/uploads\/2024\/07\/\uadf8\ub9bc_\uc790\uc131\ubb3c\uc9c8\ub0b4\uc5d0\uc11c\ubbf8\uc2dc\uc138\uacc4\uc2a4\ud540-\uac70\uc2dc\uc138\uacc4\ubb3c\uc9c8\ud68c\uc804\ub85c\uc758\uac01\uc6b4\ub3d9\ub7c9\uc804\ub2ec\uacfc\uc815.jpg\">\uadf8\ub9bc_\uc790\uc131+\ubb3c\uc9c8+\ub0b4\uc5d0\uc11c+\ubbf8\uc2dc\uc138\uacc4+(\uc2a4\ud540)-\uac70\uc2dc\uc138\uacc4+(\ubb3c\uc9c8+\ud68c\uc804)\ub85c\uc758+\uac01\uc6b4\ub3d9\ub7c9+\uc804\ub2ec+\uacfc\uc815<\/a><a href=\"https:\/\/physics.gist.ac.kr\/wp-content\/uploads\/2024\/07\/\uadf8\ub9bc_\uc790\uc131\ubb3c\uc9c8\ub0b4\uc5d0\uc11c\ubbf8\uc2dc\uc138\uacc4\uc2a4\ud540-\uac70\uc2dc\uc138\uacc4\ubb3c\uc9c8\ud68c\uc804\ub85c\uc758\uac01\uc6b4\ub3d9\ub7c9\uc804\ub2ec\uacfc\uc815.jpg\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-7873ab5f-494e-49fa-96d6-0c6409588d33\">\ub2e4\uc6b4\ub85c\ub4dc<\/a><\/div>\n","protected":false},"featured_media":9748,"template":"","news":[26,27],"class_list":["post-9741","research_news","type-research_news","status-publish","has-post-thumbnail","hentry","news-news","news-research"],"acf":[],"_links":{"self":[{"href":"https:\/\/physics.gist.ac.kr\/en\/wp-json\/wp\/v2\/research_news\/9741","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/physics.gist.ac.kr\/en\/wp-json\/wp\/v2\/research_news"}],"about":[{"href":"https:\/\/physics.gist.ac.kr\/en\/wp-json\/wp\/v2\/types\/research_news"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/physics.gist.ac.kr\/en\/wp-json\/wp\/v2\/media\/9748"}],"wp:attachment":[{"href":"https:\/\/physics.gist.ac.kr\/en\/wp-json\/wp\/v2\/media?parent=9741"}],"wp:term":[{"taxonomy":"news","embeddable":true,"href":"https:\/\/physics.gist.ac.kr\/en\/wp-json\/wp\/v2\/news?post=9741"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}