{"id":164423,"date":"2019-01-13T06:30:28","date_gmt":"2019-01-12T22:30:28","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=164423"},"modified":"2019-01-12T22:35:25","modified_gmt":"2019-01-12T14:35:25","slug":"%e3%80%90%e5%91%a8%e5%85%ad%e5%ae%89%e6%8e%92%e3%80%91%e6%b5%99%e6%b1%9f%e5%a4%a7%e5%ad%a6%e7%8e%8b%e6%b1%9f%e4%bc%9f%e7%a0%94%e7%a9%b6%e5%91%98nat-commun-%e6%99%b6%e7%95%8c%e8%bf%81","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=164423","title":{"rendered":"\u6d59\u6c5f\u5927\u5b66\u738b\u6c5f\u4f1f\u7814\u7a76\u5458Nat.\u00a0Commun.:\u00a0\u6676\u754c\u8fc1\u79fb\u7684\u53f0\u9636\u673a\u5236"},"content":{"rendered":"<p><strong><b>\u3010\u5f15 \u8a00\u3011<\/b><\/strong><\/p>\n<p>\u6676\u754c\u8fc1\u79fb\uff08grain\u00a0boundary migration\uff09\u662f\u591a\u6676\u548c\u7eb3\u7c73\u6676\u6750\u6599\u4e2d\u4e00\u79cd\u5e38\u89c1\u7684\u5851\u6027\u53d8\u5f62\u65b9\u5f0f\uff0c\u6df1\u5165\u7814\u7a76\u5176\u5fae\u89c2\u53d8\u5f62\u673a\u5236\u5bf9\u8c03\u63a7\u6750\u6599\u7684\u529b\u5b66\u6027\u80fd\u5177\u6709\u975e\u5e38\u91cd\u8981\u7684\u610f\u4e49\u3002\u7136\u800c\uff0c\u53d7\u5236\u4e8e\u73b0\u6709\u7684\u5b9e\u9a8c\u6280\u672f\u624b\u6bb5\uff0c\u5b9e\u65f6\u89c2\u6d4b\u5e94\u529b\u4f5c\u7528\u4e0b\u6676\u754c\u5904\u539f\u5b50\u7ed3\u6784\u7684\u52a8\u6001\u6f14\u53d8\u8fc7\u7a0b\u4ecd\u7136\u9762\u4e34\u7740\u5de8\u5927\u7684\u6311\u6218\uff0c\u6781\u5927\u5730\u9650\u5236\u4e86\u4eba\u4eec\u5bf9\u4e8e\u6750\u6599\u5851\u6027\u53d8\u5f62\u8fc7\u7a0b\u4e2d\u6676\u754c\u673a\u5236\u7684\u7cfb\u7edf\u7814\u7a76\u548c\u6df1\u5165\u7406\u89e3\u3002\u56e0\u6b64\uff0c\u4e9f\u9700\u5f00\u53d1\u65b0\u7684\u5b9e\u9a8c\u65b9\u6cd5\uff0c\u4e3a\u5efa\u7acb\u5b8c\u6574\u7684\u6676\u754c\u53d8\u5f62\u7406\u8bba\u63d0\u4f9b\u6709\u529b\u7684\u5b9e\u9a8c\u4f9d\u636e\uff0c\u8fdb\u800c\u4e3a\u6539\u5584\u6750\u6599\u7684\u529b\u5b66\u6027\u80fd\u63d0\u4f9b\u65b0\u601d\u8def\u3002<\/p>\n<p><strong><b>\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n<p>\u8fd1\u65e5\uff0c<strong>\u6d59\u6c5f\u5927\u5b66\u6750\u6599\u79d1\u5b66\u4e0e\u5de5\u7a0b\u5b66\u9662\u5f20\u6cfd\u9662\u58eb\u3001\u738b\u6c5f\u4f1f\u7814\u7a76\u5458\u4e0e\u52a0\u62ff\u5927\u66fc\u5c3c\u6258\u5df4\u5927\u5b66Chuang Deng\u6559\u6388\u3001\u7f8e\u56fd\u5339\u5179\u5821\u5927\u5b66S.X. Mao\u6559\u6388<\/strong>\u7b49\u5408\u4f5c\uff0c\u7ed3\u5408\u5148\u8fdb\u7684\u539f\u4f4d\u7535\u955c\u6280\u672f\u548c\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u62df\uff0c\u4ece\u539f\u5b50\u5c3a\u5ea6\u63ed\u793a\u4e86\u5207\u5e94\u529b\u4f5c\u7528\u4e0bDisconnection\u673a\u5236\u4e3b\u5bfc\u7684\u6676\u754c\u8fc1\u79fb\u884c\u4e3a,\u00a0\u8fdb\u4e00\u6b65\u53d1\u5c55\u548c\u5b8c\u5584\u4e86\u6676\u754c\u53d8\u5f62\u7406\u8bba\uff0c\u4e3a\u901a\u8fc7\u6676\u754c\u7ed3\u6784\u8c03\u63a7\u4f18\u5316\u6750\u6599\u529b\u5b66\u6027\u80fd\u63d0\u4f9b\u4e86\u65b0\u601d\u8def\u3002\u7814\u7a76\u4eba\u5458\u5229\u7528\u5148\u8fdb\u7684\u7403\u5dee\u6821\u6b63\u7535\u5b50\u663e\u5fae\u955c\u7ed3\u5408\u529b-\u7535\u8026\u5408\u539f\u4f4d\u6837\u54c1\u6746\uff0c\u901a\u8fc7\u5de7\u5999\u7684\u5b9e\u9a8c\u8bbe\u8ba1\u53d1\u5c55\u51fa\u4e00\u79cd\u72ec\u7279\u7684\u539f\u4f4d\u5236\u6837\u548c\u529b\u5b66\u5b9e\u9a8c\u65b9\u6cd5\uff0c\u9ad8\u8d28\u91cf\u5730\u5236\u5907\u51fa\u4e86\u591a\u79cd\u5305\u542b\u4e0d\u540c\u7c7b\u578b\u6676\u754c\u7684\u91d1\u5c5e\u7eb3\u7c73\u7ed3\u6784\uff0c\u5e76\u5b9e\u73b0\u4e86\u7a33\u5b9a\u7684\u539f\u4f4d\u526a\u5207\u52a0\u8f7d\u3002\u672c\u6587\u7ed3\u5408\u5148\u8fdb\u7684\u539f\u4f4d\u7535\u955c\u6280\u672f\u548c\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u62df\uff0c\u4ece\u539f\u5b50\u5c3a\u5ea6\u63ed\u793a\u4e86\u526a\u5207\u5e94\u529b\u4f5c\u7528\u4e0b\u4e0d\u540c\u7ed3\u6784\u7684\u6676\u754c\u901a\u8fc7disconnection\u5f62\u6838\u3001\u6ed1\u79fb\u548c\u4ea4\u4e92\u4f5c\u7528\u5b9e\u73b0\u5f80\u590d\u8fc1\u79fb\u7684\u666e\u9002\u673a\u5236\u3002\u8fdb\u4e00\u6b65\u7814\u7a76\u53d1\u73b0\uff0c\u7eb3\u7c73\u6676\u6750\u6599\u4e2d\u7684\u4e09\u53c9\u6676\u754c\u53ef\u4ee5\u4f5c\u4e3adisconnection\u5f62\u6838\u7684\u6709\u6548\u4f4d\u7f6e\uff0c\u4fc3\u8fdb\u6676\u754c\u8fc1\u79fb\uff0c\u5e76\u4e14\u5176\u5b83\u6676\u754c\u7f3a\u9677\uff08\u5982\u4f4d\u9519\uff09\u5bf9\u8be5\u8fc1\u79fb\u4e0d\u4ea7\u751f\u660e\u663e\u7684\u9489\u624e\u4f5c\u7528\uff0c\u663e\u8457\u63d0\u9ad8\u4e86\u6750\u6599\u7684\u5851\u6027\u53d8\u5f62\u80fd\u529b\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201c<strong><b>In situ atomistic observation of disconnection-mediated grain boundary migration<\/b><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Nature Communications\u4e0a\u3002<\/p>\n<p><strong><b>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n<p>\u56fe1 \u03a311(113)\u6676\u754c\u5728\u526a\u5207\u52a0\u8f7d\u4e0b\u7684\u8fc1\u79fb\u8fc7\u7a0b<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-164426 size-full aligncenter\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72471-7.png\" alt=\"\" width=\"600\" height=\"236\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72471-7.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72471-7-300x118.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\uff08a\uff09\u539f\u4f4d\u5236\u5907\u7684\u5305\u542b\u4e00\u4e2a\u03a311(113)\u5bf9\u79f0\u503e\u8f6c\u6676\u754c\u7684Au\u7eb3\u7c73\u53cc\u6676\u7ed3\u6784\u3002\u767d\u8272\u77e9\u5f62\u6846\u6807\u8bc6\u51fa\u6676\u754c\u4e0a\u7684\u4e00\u4e2adisconnection<\/p>\n<p>\uff08b-e\uff09\u526a\u5207\u52a0\u8f7d\u4e0b\u7531\u6676\u754cdisconnection\u8fde\u7eed\u5f62\u6838\u548c\u6ed1\u79fb\u4e3b\u5bfc\u7684\u03a311(113)\u6676\u754c\u5411\u4e0b\u8fc1\u79fb\uff0c\u84dd\u8272\u548c\u7ea2\u8272\u7bad\u5934\u5206\u522b\u6307\u793adisconnection\u6ed1\u79fb\u65b9\u5411\u548c\u6676\u754c\u8fc1\u79fb\u65b9\u5411\u3002<\/p>\n<p>\uff08f\uff09 FFT\u56fe\u8bc1\u5b9e\u539f\u4f4d\u5236\u5907\u7684\u03a311(113)\u6676\u754c\u7ed3\u6784\u7684\u5bf9\u79f0\u6027<\/p>\n<p>\uff08g\uff09\u767d\u8272\u77e9\u5f62\u6846\u5185\u6240\u793adisconnection\u6838\u5fc3\u7684\u539f\u5b50\u7ed3\u6784<\/p>\n<p>\u56fe2 \u03a311(113)\u6676\u754c\u4e0a\u4e24\u79cd\u4e0d\u540c\u7684disconnection\u53ca\u5176\u6ed1\u79fb\u8fc7\u7a0b<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-164427 size-full aligncenter\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72472-7.png\" alt=\"\" width=\"600\" height=\"297\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72472-7.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72472-7-300x149.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\uff08a-b\uff09\u03a311(113)\u6676\u754c\u4e0a\u7684\u5355\u539f\u5b50\u5c42\u578b\u548c\u53cc\u539f\u5b50\u5c42\u578bdisconnection\u3002<\/p>\n<p>\uff08c-e\uff09\u5355\u539f\u5b50\u5c42\u578bdisconnection\u6ed1\u79fb\u5bfc\u81f4\u7684\u6676\u754c\u8fc1\u79fb<\/p>\n<p>\uff08f-h\uff09\u53cc\u539f\u5b50\u5c42\u578bdisconnection\u6ed1\u79fb\u5bfc\u81f4\u7684\u6676\u754c\u8fc1\u79fb<\/p>\n<p>\uff08i-k\uff09\u53ca\uff08l-n\uff09\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u62df\u7ed9\u51fa\u7684\u5355\u5c42\u548c\u53cc\u5c42disconnection\u6ed1\u79fb\u5bfc\u81f4\u7684\u6676\u754c\u8fc1\u79fb\u8fc7\u7a0b\uff0c\u76f8\u5e94\u7684\u4f2f\u6c0f\u77e2\u91cf\u5206\u522b\u4e3a\u548c<\/p>\n<p>\u56fe3 \u4e0d\u540c\u7c7b\u578b\u7684Disconnection\u5728\u6ed1\u79fb\u8fc7\u7a0b\u4e2d\u53d1\u751f\u52a8\u6001\u4ea4\u4e92\u4f5c\u7528<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-164428 size-full aligncenter\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72473-7.png\" alt=\"\" width=\"600\" height=\"358\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72473-7.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72473-7-300x179.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\uff08a\uff09\u03a311(113)\u6676\u754c\u4e0a\u4e09\u4e2a\u5355\u5c42disconnection\u76f8\u7ee7\u4ece\u5de6\u4fa7\u8868\u9762\u5f62\u6838<\/p>\n<p>\uff08b-f\uff09Disconnection\u5728\u6ed1\u79fb\u8fc7\u7a0b\u4e2d\u4f34\u968f\u591a\u6b21\u52a8\u6001\u5408\u6210\u4e0e\u5206\u89e3\u7684\u4ea4\u4e92\u4f5c\u7528<\/p>\n<p>\uff08g-j\uff09\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u62df\u7ed9\u51fa\u7684disconnection\u52a8\u6001\u5206\u89e3\u4e0e\u5206\u5408\u6210\u8fc7\u7a0b<\/p>\n<p>\uff08k\uff09Disconnection\u52a8\u6001\u4ea4\u4e92\u4f5c\u7528\u53ca\u76f8\u5e94\u6676\u754c\u8fc1\u79fb\u7684\u793a\u610f\u56fe<\/p>\n<p>\u56fe4 \u03a311(113)\u6676\u754c\u5728\u5faa\u73af\u52a0\u8f7d\u8fc7\u7a0b\u4e2d\u53ef\u901a\u8fc7disconnection\u673a\u5236\u5b9e\u73b0\u5f80\u590d\u8fc1\u79fb<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-164429 size-full aligncenter\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72474-7.png\" alt=\"\" width=\"600\" height=\"221\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72474-7.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72474-7-300x111.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\uff08a-c\uff09\u65bd\u52a0\u5411\u5de6\u7684\u5207\u5e94\u529b\uff0c\u6676\u754c\u5411\u4e0a\u8fc1\u79fb<\/p>\n<p>\uff08d-e\uff09\u526a\u5207\u5e94\u529b\u53cd\u5411\uff0c\u65bd\u52a0\u5411\u53f3\u7684\u5207\u5e94\u529b\uff0c\u6676\u754c\u5411\u4e0b\u8fc1\u79fb<\/p>\n<p>\uff08f\uff09\u7b2c\u4e8c\u4e2a\u52a0\u8f7d\u5468\u671f\uff0c\u518d\u6b21\u65bd\u52a0\u5411\u53f3\u7684\u5207\u5e94\u529b\uff0c\u6676\u754c\u518d\u6b21\u5411\u4e0a\u8fc1\u79fb<\/p>\n<p>\u56fe5\u6676\u754c\u9644\u8fd1\u7684\u5176\u4ed6\u7f3a\u9677\uff08\u5982\u5c42\u9519\u3001\u4f4d\u9519\uff09\u7b49\u5bf9\u6676\u754c\u8fc1\u79fb\u7684\u53f0\u9636\u673a\u5236\u5f71\u54cd\u4e0d\u5927<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-164430 size-full aligncenter\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72475-7.png\" alt=\"\" width=\"600\" height=\"204\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72475-7.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72475-7-300x102.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" 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