{"id":262931,"date":"2024-10-04T08:29:11","date_gmt":"2024-10-04T00:29:11","guid":{"rendered":"\/\/m.iemloyee.com\/?p=262931"},"modified":"2024-10-04T08:29:11","modified_gmt":"2024-10-04T00:29:11","slug":"%e6%bd%98%e6%99%93%e6%99%b4%e6%9c%80%e6%96%b0science%ef%bc%8c%e6%8f%ad%e7%a4%ba%e7%ba%b3%e7%b1%b3%e6%99%b6%e6%9d%90%e6%96%99%e4%b8%ad%e7%9a%84%e6%99%b6%e7%b2%92%e6%97%8b%e8%bd%ac%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=262931","title":{"rendered":"\u6f58\u6653\u6674\u6700\u65b0Science\uff0c\u63ed\u793a\u7eb3\u7c73\u6676\u6750\u6599\u4e2d\u7684\u6676\u7c92\u65cb\u8f6c\u673a\u5236\uff01"},"content":{"rendered":"<p><strong>\u4e00\u3001\u3010\u79d1\u5b66\u80cc\u666f\u3011<\/strong><\/p>\n<p>\u591a\u6676\u6750\u6599\u662f\u5177\u6709\u4e0d\u540c\u6676\u683c\u53d6\u5411\u7684\u6676\u7c92\u7684\u805a\u96c6\u4f53\u3002\u5728\u5fae\u89c2\u7ed3\u6784\u6f14\u53d8\u8fc7\u7a0b\u4e2d\uff0c\u6676\u7c92\u7ecf\u5386\u4e86\u8fd1\u4e4e\u521a\u4f53\u7684\u65cb\u8f6c\u3002\u5728\u591a\u6676\u6750\u6599\u4e2d\uff0c\u5c24\u5176\u662f\u7eb3\u7c73\u6676\u6750\u6599\u4e2d\u7684\u518d\u7ed3\u6676\u3001\u5851\u6027\u53d8\u5f62\u548c\u6676\u7c92\u751f\u957f\u8fc7\u7a0b\u4e2d\uff0c\u5df2\u5e7f\u6cdb\u89c2\u5bdf\u5230\u8fd1\u521a\u4f53\u6676\u7c92\u65cb\u8f6c\u3002\u6676\u7c92\u65cb\u8f6c\u6781\u5927\u5730\u5f71\u54cd\u4e86\u5fae\u89c2\u7ed3\u6784\u7684\u6f14\u53d8\uff08\u4f8b\u5982\u6539\u53d8\u4e86\u6676\u7c92\u751f\u957f\u52a8\u529b\u5b66\uff09\uff0c\u5e76\u63a7\u5236\u4e86\u7ec7\u6784\u7684\u6f14\u53d8\u3002\u8fd1\u521a\u4f53\u6676\u7c92\u65cb\u8f6c\u5df2\u7ecf\u6839\u636e\u5404\u79cd\u6676\u754c\uff08GB\uff09\u4ecb\u5bfc\u7684\u8fc7\u7a0b\u8fdb\u884c\u4e86\u63cf\u8ff0\uff0c\u4f8b\u5982GB\u4f4d\u9519\u722c\u5347\u3001GB\u6269\u6563\u3001GB\u6ed1\u52a8\u3001\u76d8\u72b6\u5076\u6781\u5b50\u52a8\u529b\u5b66\u548c\u526a\u5207\u8026\u5408GB\u8fc1\u79fb\u3002\u5c3d\u7ba1\u7ecf\u8fc7\u4e86\u51e0\u5341\u5e74\u7684\u7814\u7a76\uff0c\u6676\u7c92\u65cb\u8f6c\u7684\u4e3b\u8981\u673a\u5236\u4ecd\u7136\u662f\u4e2a\u8c1c\u3002<\/p>\n<p><strong>\u4e8c\u3001\u3010\u521b\u65b0\u6210\u679c\u3011<\/strong><\/p>\n<p>\u57fa\u4e8e\u6b64\uff0c<strong>\u7f8e\u56fd\u52a0\u5dde\u5927\u5b66\u5c14\u6e7e\u5206\u6821\u6f58\u6653\u6674\u6559\u6388\u3001\u9999\u6e2f\u5927\u5b66<\/strong><strong>David J. Srolovitz<\/strong><strong>\u548c\u9999\u6e2f\u57ce\u5e02\u5927\u5b66\u97e9\u5065\u6559\u6388\u7b49\u4eba<\/strong>\u5728<strong><em>Science<\/em><\/strong>\u53d1\u8868\u4e86\u9898\u4e3a\u201c<strong>Grain rotation mechanisms in nanocrystalline materials: Multiscale observations in Pt thin films<\/strong>\u201d\u7684\u8bba\u6587\uff0c\u63ed\u793a\u4e86\u6676\u7c92\u65cb\u8f6c\u5728\u94c2\uff08Pt\uff09\u8584\u819c\u4e2d\u662f\u901a\u8fc7\u6cbf\u6676\u754c\u7684\u65ad\u5f00\uff08\u5177\u6709\u9636\u68af\u548c\u4f4d\u9519\u7279\u5f81\u7684\u7ebf\u7f3a\u9677\uff09\u8fd0\u52a8\u800c\u53d1\u751f\u7684\u3002\u7814\u7a76\u4eba\u5458\u5229\u7528\u6700\u5148\u8fdb\u7684\u539f\u4f4d\u56db\u7ef4\u626b\u63cf\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\uff084D-STEM\uff09\u89c2\u5bdf\u63ed\u793a\u4e86\u6676\u7c92\u65cb\u8f6c\u548c\u6676\u7c92\u751f\u957f\u6216\u6536\u7f29\u4e4b\u95f4\u7684\u7edf\u8ba1\u76f8\u5173\u6027\u3002\u8fd9\u79cd\u76f8\u5173\u6027\u6765\u81ea\u4e8e\u526a\u5207\u8026\u5408\u7684\u6676\u754c\u8fc1\u79fb\uff0c\u8fd9\u662f\u901a\u8fc7\u65ad\u5f00\u8fd0\u52a8\u53d1\u751f\u7684\uff0c\u901a\u8fc7\u539f\u4f4d\u9ad8\u89d2\u73af\u5f62\u6697\u573aSTEM\u89c2\u6d4b\u548c\u539f\u5b50\u6a21\u62df\u8f85\u52a9\u5206\u6790\u6765\u8bc1\u660e\u3002\u672c\u7814\u7a76\u4e0d\u4ec5\u4e3a\u591a\u6676\u4e2d\u8fd1\u521a\u4f53\u6676\u7c92\u65cb\u8f6c\u63d0\u4f9b\u4e86\u5b9a\u91cf\u89c1\u89e3\uff0c\u8fd8\u5c55\u793a\u4e86\u591a\u5c3a\u5ea6\u539f\u4f4dTEM\u5728\u89e3\u51b3\u5173\u4e8e\u539f\u4f4dTEM\u7814\u7a76\u5bf9\u539f\u5b50\u5c3a\u5ea6\u673a\u5236\u7684\u4ee3\u8868\u6027\u7684\u4e89\u8bba\u65b9\u9762\u7684\u5de8\u5927\u6f5c\u529b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262932\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/10\/0.png\" alt=\"\" width=\"600\" height=\"218\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/10\/0.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2024\/10\/0-300x109.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262933\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/10\/1.jpg\" alt=\"\" width=\"600\" height=\"532\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/10\/1.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2024\/10\/1-300x266.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u56fe<\/strong><strong>1 \u00a0<\/strong><strong>\u540c\u65f6\u8fdb\u884c\u7684<\/strong><strong>GB<\/strong><strong>\u8fc1\u79fb\u548c\u6676\u7c92\u65cb\u8f6c\u7684\u539f\u4f4d\u89c2\u5bdf<\/strong><strong> \u00a9 2024 AAAS<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262934\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/10\/2.jpg\" alt=\"\" width=\"600\" height=\"541\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/10\/2.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2024\/10\/2-300x271.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u56fe<\/strong><strong>2 \u00a0<\/strong><strong>\u65ad\u5f00\u8fd0\u52a8\u548c\u9897\u7c92\u65cb\u8f6c\u7684\u540c\u6b65\u539f\u5b50\u5c3a\u5ea6\u89c2\u6d4b<\/strong> <strong>\u00a9 2024 AAAS<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262935\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/10\/3.jpg\" alt=\"\" width=\"600\" height=\"308\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/10\/3.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2024\/10\/3-300x154.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u56fe<\/strong><strong>3 \u00a0<\/strong><strong>\u6676\u7c92\u540c\u65f6\u751f\u957f\u548c\u65cb\u8f6c\u7684\u5fae\u89c2\u7ed3\u6784\u5c3a\u5ea6\u89c2\u5bdf<\/strong><strong> \u00a9 2024 AAAS<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>\u4e09\u3001\u3010\u79d1\u5b66\u542f\u8fea\u3011<\/strong><\/p>\n<p>\u7efc\u4e0a\uff0c\u672c\u7814\u7a76\u63d0\u4f9b\u4e86\u76f4\u63a5\u7684\u591a\u5c3a\u5ea6\u8bc1\u636e\uff0c\u8868\u660e\u6676\u7c92\u65cb\u8f6c\u662f\u7531\u7eb3\u7c73\u6676\u8584\u819c\u6750\u6599\u4e2dGB\u4e0a\u7684\u65ad\u5f00\u4f20\u64ad\u5f15\u8d77\u7684\u3002\u539f\u4f4d\u52a0\u70ed4D-STEM\u7814\u7a76\u4ece\u7edf\u8ba1\u5b66\u4e0a\u8bc1\u660e\uff0c\u5728\u6676\u7c92\u751f\u957f\u8fc7\u7a0b\u4e2d\uff0c\u6676\u7c92\u65cb\u8f6c\u5e7f\u6cdb\u53d1\u751f\uff0c\u8fd9\u4e0e\u7eb3\u7c73\u6676\u6750\u6599\u4e2d\u7684GB\u8fc1\u79fb\u5bc6\u5207\u76f8\u5173\u3002\u539f\u5b50\u5c3a\u5ea6\u539f\u4f4dHAADF-STEM\u89c2\u6d4b\u8868\u660e\uff0c\u6676\u7c92\u65cb\u8f6c\u548cGB\u8fc1\u79fb\u4e4b\u95f4\u7684\u8026\u5408\u6e90\u4e8e\u65ad\u5f00\u8fd0\u52a8\uff0c\u8fd9\u5bfc\u81f4\u6cbfGB\u7684\u526a\u5207\u5e76\u9a71\u52a8\u6676\u7c92\u65cb\u8f6c\u3002\u8fd9\u4e9b\u53d1\u73b0\u8bc1\u660e\u4e86\u65ad\u5f00\u8fd0\u52a8\u5728\u51b3\u5b9a\u7eb3\u7c73\u6676\u6750\u6599\u5fae\u89c2\u7ed3\u6784\u6f14\u5316\u7684\u6027\u8d28\u548c\u884c\u4e3a\u65b9\u9762\u7684\u5173\u952e\u4f5c\u7528\uff0c\u5e76\u4e3a\u7406\u89e3\u5fae\u89c2\u7ed3\u6784\u52a8\u529b\u5b66\u548cGB\u5de5\u7a0b\u63d0\u4f9b\u4e86\u65b0\u7684\u89c1\u89e3\u3002<\/p>\n<p>\u539f\u6587\u8be6\u60c5\uff1a<a href=\"https:\/\/www.science.org\/doi\/10.1126\/science.adk6384\" target=\"_blank\" rel=\"noopener\">Grain rotation mechanisms in nanocrystalline materials: Multiscale observations in Pt thin films<\/a> (<em>Science<\/em> <strong>2024<\/strong>, 386, 49-54)<\/p>\n<p>\u672c\u6587\u7531\u5927\u5175\u54e5\u4f9b\u7a3f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u3010\u79d1\u5b66\u80cc\u666f\u3011 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