{"id":148562,"date":"2024-04-27T16:46:35","date_gmt":"2024-04-27T16:46:35","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ed%91%9c%eb%a9%b4-%ec%a0%84%ec%9c%84%ea%b3%84\/"},"modified":"2024-04-27T16:46:43","modified_gmt":"2024-04-27T16:46:43","slug":"%ed%91%9c%eb%a9%b4-%ec%a0%84%ec%9c%84%ea%b3%84","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ed%91%9c%eb%a9%b4-%ec%a0%84%ec%9c%84%ea%b3%84\/","title":{"rendered":"\ud45c\uba74 \uc804\uc704\uacc4"},"content":{"rendered":"<p class=\"sidekick\">\ud45c\uba74 \uc804\uc704\uacc4\ub294 \uc7ac\ub8cc \ud45c\uba74\uc758 \uc804\uae30\uc801 \uc5d0\ub108\uc9c0 \ucc28\uc774\ub97c \ub098\ud0c0\ub0b4\uba70, \uc804\uc790\uae30\ud559\uacfc \uacf5\ud559 \ubd84\uc57c\uc5d0\uc11c \ud575\uc2ec\uc801\uc778 \uac1c\ub150\uc785\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\ud45c\uba74-\uc804\uc704\uacc4.png\" alt=\"\ud45c\uba74 \uc804\uc704\uacc4\"\/><\/p>\n<h2>\ud45c\uba74 \uc804\uc704\uacc4\ub780 \ubb34\uc5c7\uc778\uac00?<\/h2>\n<p>\ud45c\uba74 \uc804\uc704\uacc4(Surface Potential)\ub294 \uc7ac\ub8cc\uc758 \ud45c\uba74\uc5d0 \uc874\uc7ac\ud558\ub294 \uc804\uae30\uc801 \uc7a0\uc7ac\uc801 \uc5d0\ub108\uc9c0\uc758 \ucc28\uc774\ub97c \ub9d0\ud569\ub2c8\ub2e4. \uc774\uac83\uc740 \ud45c\uba74\uc5d0 \uc874\uc7ac\ud558\ub294 \uc804\ud558\ub4e4\uac04\uc758 \uc0c1\ud638\uc791\uc6a9\uc5d0 \uc758\ud574 \ubc1c\uc0dd\ud558\uba70, \ud2b9\ud788 \uacf5\ud559 \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ud45c\uba74 \uc804\uc704\uacc4\ub294 \uc804\uc790\uae30\ud559\uc758 \uae30\ubcf8 \ubc95\uce59\uc5d0 \uadfc\uac70\ud558\uc5ec \ub2e4\uc591\ud55c \uc7ac\ub8cc\uc758 \uc804\uae30\uc801 \uc131\uc9c8\uc744 \uc774\ud574\ud558\ub294 \ub370 \uc911\uc694\ud55c \uac1c\ub150\uc785\ub2c8\ub2e4.<\/p>\n<h2>\ud45c\uba74 \uc804\uc704\uacc4\uac00 \uc911\uc694\ud55c \uc774\uc720\ub294?<\/h2>\n<p>\ud45c\uba74 \uc804\uc704\uacc4\ub294 \uc7ac\ub8cc\uac00 \uc678\ubd80 \ud658\uacbd\uacfc \uc0c1\ud638 \uc791\uc6a9\ud560 \ub54c \ubc1c\uc0dd\ud558\ub294 \uc804\uae30\uc801 \ud604\uc0c1\uc744 \uc124\uba85\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uba74, \ucee4\ud328\uc2dc\ud130\uc758 \uc804\uadf9, \ubc18\ub3c4\uccb4 \uc18c\uc790, \uadf8\ub9ac\uace0 \uc804\ud574\uc9c8\uacfc \uac19\uc740 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc804\uc704\uacc4\ub97c \uc815\ud655\ud558\uac8c \uc774\ud574\ud558\ub294 \uac83\uc740 \uc804\uc790\uae30 \uc7a5\uce58\uc758 \uc124\uacc4 \ubc0f \ucd5c\uc801\ud654\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774 \uac19\uc740 \uc774\ud574\ub294 \uc5d0\ub108\uc9c0 \uc800\uc7a5, \uc13c\uc11c \uae30\uc220, \uadf8\ub9ac\uace0 \ud45c\uba74 \ud654\ud559\uacfc \uac19\uc740 \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud55c \uae30\uc220\uc801 \uc9c4\ubcf4\ub85c \uc774\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n<h2>\ud45c\uba74 \uc804\uc704\uacc4\ub97c \uce21\uc815\ud558\ub294 \ubc29\ubc95<\/h2>\n<p>\ud45c\uba74 \uc804\uc704\uacc4\ub97c \uce21\uc815\ud558\ub294 \ubc29\ubc95\uc5d0\ub294 \uc5ec\ub7ec \uac00\uc9c0\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ucf08\ube48 \ud504\ub85c\ube0c \ud3ec\uc2a4 \ud604\ubbf8\uacbd(Kelvin probe force microscopy, KPFM)\uc774\ub098 \uc804\uc704\ucc28\uacc4(Voltmeter)\uc640 \uac19\uc740 \uace0\uae09 \uc7a5\ube44\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud45c\uba74\uc758 \ubbf8\uc138\ud55c \uc804\uae30\uc801 \ubcc0\ud654\ub97c \uac10\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ubc29\ubc95\ub4e4\uc740 \uc7ac\ub8cc\uc758 \uc804\uae30\uc801 \ud2b9\uc131\uc744 \ud30c\uc545\ud558\uae30 \uc704\ud574 \ub9e4\uc6b0 \ubbfc\uac10\ud558\uace0 \uc815\ubc00\ud55c \uce21\uc815\uc774 \uc694\uad6c\ub420 \ub54c \ud2b9\ud788 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<h2>\ud45c\uba74 \uc804\uc704\uc640 \uc804\uae30\uc7a5<\/h2>\n<p>\ud45c\uba74 \uc804\uc704\uacc4\ub294 \uc8fc\ubcc0\uc758 \uc804\uae30\uc7a5\uacfc\ub3c4 \ubc00\uc811\ud55c \uad00\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc804\uae30\uc7a5(E)\uc740 \uc804\uc704(V)\uc758 \uacf5\uac04\uc801 \ubcc0\ud654\uc728\ub85c \uc815\uc758\ub418\uba70, \ub2e4\uc74c\uacfc \uac19\uc740 \uad00\uacc4\uc2dd\uc73c\ub85c \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<p>\nE = -\u2207V\n<\/p>\n<p>\uc5ec\uae30\uc11c \u2207(\ub098\ube14\ub77c)\ub294 \ubca1\ud130 \uc5f0\uc0b0\uc790\ub85c\uc11c \uacf5\uac04\uc801 \ubcc0\ud654\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc74c\uc758 \uae30\ud638\ub294 \uc804\uae30\uc7a5\uc774 \ub192\uc740 \uc804\uc704\uc5d0\uc11c \ub0ae\uc740 \uc804\uc704\ub85c \ud5a5\ud558\ub294 \ubc29\ud5a5\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c, \uc804\uae30\uc7a5\uc740 \uc804\uc704\uac00 \ub0ae\uc740 \ubc29\ud5a5\uc73c\ub85c \uac00\uc7a5 \ub192\uc740 \ube44\uc728\ub85c \ubcc0\ud654\ud558\ub294 \ubc29\ud5a5\uacfc \uc77c\uce58\ud569\ub2c8\ub2e4.<\/p>\n<h2>\ud45c\uba74 \uc804\uc704\uacc4\uc758 \uc751\uc6a9<\/h2>\n<p>\ud45c\uba74 \uc804\uc704\uacc4\ub294 \uacf5\ud559 \ubd84\uc57c\uc5d0\uc11c \uad11\ubc94\uc704\ud558\uac8c \uc751\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ubc18\ub3c4\uccb4 \uc18c\uc790\uc758 \uc124\uacc4\uc5d0\uc11c\ub294 \ud45c\uba74 \uc804\uc704\uacc4\ub97c \uc870\uc808\ud558\uc5ec \uc804\uc790 \ub610\ub294 \ud640\uc758 \ud750\ub984\uc744 \uc81c\uc5b4\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub294 \ud2b8\ub79c\uc9c0\uc2a4\ud130\uc758 \uc791\ub3d9 \uc6d0\ub9ac\uc5d0 \uadfc\uac04\uc744 \ub450\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ucf54\ub85c\ub098 \ubc29\uc804, \uc804\uae30 \ubd84\ud574, \uadf8\ub9ac\uace0 \uc815\uc804\uae30 \ubd84\uc9c4 \uc81c\uac70\uc640 \uac19\uc740 \ud604\uc0c1\ub4e4\ub3c4 \ud45c\uba74 \uc804\uc704\uacc4\uac00 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774 \ubd84\uc57c\uc758 \uacfc\ud559\uc790\ub4e4\uc740 \uc7ac\ub8cc\uc758 \ud45c\uba74 \uc804\uc704\ub97c \uc870\uc808\ud558\uace0 \ucd5c\uc801\ud654\ud558\uc5ec \ub354 \ud6a8\uc728\uc801\uc778 \uc7a5\uce58\uc640 \uc2dc\uc2a4\ud15c\uc744 \uac1c\ubc1c\ud558\uae30 \uc704\ud574 \ub178\ub825\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub7ec\ud55c \ubc30\uacbd \uc9c0\uc2dd\uc744 \ubc14\ud0d5\uc73c\ub85c, \ud45c\uba74 \uc804\uc704\uacc4\uc640 \uad00\ub828\ub41c \uacf5\ud559 \uae30\uc220\uc758 \ubc1c\uc804\uc740 \uc6b0\ub9ac \uc77c\uc0c1\uc0dd\ud65c\uc758 \uc5ec\ub7ec \uac00\uc804\uc81c\ud488 \ubc0f \uc0b0\uc5c5 \uc7a5\ube44\ub4e4\uc758 \ud6a8\uc728\uc131\uacfc \uc131\ub2a5\uc744 \ud601\uc2e0\uc801\uc73c\ub85c \ud5a5\uc0c1\uc2dc\ud0a4\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud45c\uba74 \uc804\uc704\uacc4\ub97c \ud3ec\ud568\ud558\uc5ec \uc804\uae30\uc640 \uc790\uae30 \ud604\uc0c1\uc744 \uc774\ud574\ud558\ub294 \uac83\uc740 \uae30\uc220 \uc9c4\ubcf4\uc758 \uadfc\ubcf8\uc774 \ub418\uba70, \uc774\ub294 \uc6b0\ub9ac\uac00 \ub354 \uc9c0\uc18d \uac00\ub2a5\ud558\uace0 \ubc1c\uc804\ub41c \uc0ac\ud68c\ub97c \ub9cc\ub4dc\ub294 \ub370 \uae30\uc5ec\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud45c\uba74 \uc804\uc704\uacc4\ub294 \uc7ac\ub8cc \ud45c\uba74\uc758 \uc804\uae30\uc801 \uc5d0\ub108\uc9c0 \ucc28\uc774\ub97c \ub098\ud0c0\ub0b4\uba70, \uc804\uc790\uae30\ud559\uacfc \uacf5\ud559 \ubd84\uc57c\uc5d0\uc11c \ud575\uc2ec\uc801\uc778 \uac1c\ub150\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":186698,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[88],"tags":[89],"class_list":["post-148562","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-88","tag-89","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - 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