{"id":114737,"date":"2017-12-05T06:30:46","date_gmt":"2017-12-04T22:30:46","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=114737"},"modified":"2017-11-30T21:12:11","modified_gmt":"2017-11-30T13:12:11","slug":"%e5%ae%be%e6%b1%89%e5%a7%86%e9%a1%bf%e5%a4%a7%e5%ad%a6nat-mater-%ef%bc%9a%e4%bd%8d%e9%94%99%e6%88%90%e6%a0%b8%e6%96%b0%e6%9c%ba%e7%90%86-%e5%8e%9f%e5%ad%90%e7%9a%84%e5%81%8f%e6%9e%90","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=114737","title":{"rendered":"\u5bbe\u6c49\u59c6\u987f\u5927\u5b66Nat. Mater.\uff1a\u4f4d\u9519\u6210\u6838\u65b0\u673a\u7406-\u539f\u5b50\u7684\u504f\u6790"},"content":{"rendered":"

\u3010\u5f15\u8a00<\/strong>\u3011<\/p>\n

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\u3010\u6210\u679c\u7b80\u4ecb<\/strong>\u3011<\/p>\n

\u8fd1\u65e5\uff0c\u7f8e\u56fd\u5bbe\u6c49\u59c6\u987f\u5927\u5b66Guangwen Zhou<\/strong> (\u901a\u8baf\u4f5c\u8005<\/strong>)\u56e2\u961f\u5728Nat. Mater.<\/strong>\u4e0a\u53d1\u5e03\u4e86\u4e00\u7bc7\u5173\u4e8e\u5408\u91d1\u8868\u9762\u4f4d\u9519\u6210\u6838\u673a\u7406\u7684\u6587\u7ae0\uff0c\u9898\u4e3a\u201cDislocation nucleation facilitated by atomic segregation<\/strong>\u201d\u3002 \u4f5c\u8005\u4ee5\u94dc\u91d1\u56fa\u6eb6\u4f53\u4e3a\u4f8b\uff0c\u89e3\u91ca\u4e86\u4f4d\u9519\u5f62\u6838\u662f\u7531\u8868\u9762\u504f\u6790\u5f15\u8d77\u7684\u6210\u5206\u53d8\u5316\u6240\u5bfc\u81f4\u3002\u901a\u8fc7\u52a8\u6001\u539f\u5b50\u5c3a\u5ea6\u5206\u8fa8\u7535\u5b50\u663e\u5fae\u955c\u89c2\u5bdf\u548c\u7406\u8bba\u5efa\u6a21\uff0c\u89c2\u5bdf\u5230\u4f4d\u9519\u7684\u8fd0\u52a8\uff0c\u5e76\u4e14\u9610\u660e\u4e86\u5728\u5347\u6e29\u6761\u4ef6\u4e0b\u4e0e\u4f4d\u9519\u6210\u6838\u3001\u6ed1\u79fb\u3001\u6500\u79fb\u548c\u6d88\u5931\u76f8\u5173\u7684\u7279\u5b9a\u539f\u5b50\u5c3a\u5ea6\u673a\u7406\u3002<\/p>\n

\u00a0[\u81f4\u6b49\uff1a\u5f88\u62b1\u6b49\uff0c\u672a\u80fd\u627e\u5230\u901a\u8baf\u4f5c\u8005\u00a0Guangwen Zhou \u7684\u786e\u5207\u4e2d\u6587\u540d\u5b57\uff0c\u5c0f\u7f16\u8868\u793a\u8bda\u631a\u7684\u6b49\u610f\uff01]\u00a0<\/strong><\/p>\n

\u3010\u56fe\u7247\u5bfc\u8bfb<\/strong>\u3011<\/p>\n

\u56fe1 \u56fa\u6eb6\u4f53\u4e2dAu\u7684\u8868\u9762\u504f\u6790<\/strong><\/p>\n

\"\"
\n (a<\/strong>) Cu90<\/sub>Au10<\/sub>\u5728350\u2103\u4e0b\u9000\u706b\u540e\u7684TEM\u56fe\u50cf\uff1b<\/p>\n

(b<\/strong>) (110)\u6676\u9762\u7684\u9ad8\u89d2\u73af\u5f62\u6697\u573a\u50cf-\u626b\u63cf\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c(HAADF-STEM)\u7167\u7247;<\/p>\n

(c<\/strong>) \u6700\u9876\u7aef\u7684\u539f\u5b50\u5c42\u5448\u73b0\u6c9f\u69fd\u6784\u578b\uff1b<\/p>\n

(d<\/strong>) (110)\u6676\u9762\u4e0aCu3<\/sub>Au\u504f\u6790\u5c42\u6a21\u578b\u7684\u7ed3\u6784\u6a21\u578b\uff1b<\/p>\n

(e<\/strong>) \u6a21\u62df(110)\u6676\u9762\u7684\u9ad8\u5206\u8fa8\u7387\u900f\u5c04\u7535\u955c(HRTEM)\u7167\u7247\u3002<\/p>\n

\u56fe2 \u539f\u4f4d\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u89c2\u5bdfCu3Au\u4e0eCu(Au)\u754c\u9762\u5904\u7684\u4f4d\u9519<\/strong><\/p>\n

\n \"\"
\n (a-b<\/strong>) (110)\u6676\u9762\u7684\u539f\u4f4dHRTEM\u56fe\u50cf\uff1b<\/p>\n

(c-f<\/strong>) \u8868\u9762\u5438\u6536\u8fc7\u7a0b\u5bfc\u81f4Cu3<\/sub>Au\u4e0eCu(Au)\u754c\u9762\u5904\u4f4d\u9519\u5f62\u6838\u3002<\/p>\n

\u56fe3 \u6ed1\u79fb\u548c\u6500\u79fb\u4f4d\u9519\u7684HRTEM\u8868\u5f81\u4ee5\u53ca\u539f\u4f4dTEM\u89c2\u5bdf<\/strong><\/p>\n

\"\"
\n (a<\/strong>) Cu3<\/sub>Au\u4e0e Cu(Au)\u754c\u9762\u5904\u51fa\u73b0\u4f4d\u9519\uff1b<\/p>\n

(b<\/strong>) Cu(Au)\u533a\u57df\u51fa\u73b0\u87ba\u578b\u4f4d\u9519;<\/p>\n

(c<\/strong>) \u4f4d\u9519\u6838\u5fc3\u7ed3\u6784\u7684HRTEM\u663e\u5fae\u7167\u7247\uff1b<\/p>\n

(d<\/strong>) \u539f\u5b50\u6a21\u578b\u6a21\u62dfHRTEM\u663e\u5fae\u7167\u7247\uff1b<\/p>\n

(e-h<\/strong>) \u4f4d\u9519\u6cbfCu3<\/sub>Au\u4e0e Cu(Au)\u7684\u754c\u9762\u53d1\u751f\u6ed1\u79fb\uff1b<\/p>\n

(i-l<\/strong>) \u4f4d\u9519\u5411\u5916\u754c\u9762\u8fdb\u884c\u6500\u79fb\uff1b<\/p>\n

(m-p<\/strong>) \u4f4d\u9519\u6500\u79fb\u81f3Cu(Au)\u533a\u57df\u3002<\/p>\n

\u56fe4 \u8fd1\u8868\u9762\u4f4d\u9519\u5efa\u6a21<\/strong><\/p>\n

\"\"
\n (a<\/strong>) \u7eaf\u94dc\u4e2d\u4f4d\u9519\u4e0d\u7a33\u5b9a\u5e76\u6d88\u5931\uff1b<\/p>\n

(b<\/strong>) \u87ba\u578b\u4f4d\u9519\u6cbfCu3<\/sub>Au\u4e0e Cu(Au)\u7684\u754c\u9762\u6ed1\u79fb\uff0c\u6ca1\u6709\u7a7f\u8fc7Cu3<\/sub>Au\u5c42;<\/p>\n

(c<\/strong>) \u4ece[001]\u65b9\u5411\u89c2\u5bdf\u5230\u6709\u5e8f\u7684L12<\/sub>\u7ed3\u6784\uff1b<\/p>\n

(d<\/strong>) Cu3Au\u8868\u5c42\u4e2d\u5f15\u5165\u4f4d\u9519\u540e\u7684\u677e\u5f1bMD\u6784\u578b\uff1b<\/p>\n

(e<\/strong>) \u4f4d\u9519\u6500\u79fb\u529b\u548c\u4f4d\u9519\u4e4b\u95f4\u8ddd\u79bb\u7684\u51fd\u6570\u5173\u7cfb\u56fe\u3002<\/p>\n

\u3010\u5c0f\u7ed3<\/strong>\u3011<\/p>\n

\u8fd9\u7bc7\u6587\u7ae0\u4ee5\u94dc\u91d1\u56fa\u6eb6\u4f53\u4e3a\u4f8b\uff0c\u7814\u7a76\u4e86\u5408\u91d1\u8868\u9762\u4f4d\u9519\u6210\u6838\u7684\u673a\u7406\u3002\u7814\u7a76\u7ed3\u679c\u8868\u660e\uff0c\u8868\u9762\u504f\u6790\u5f15\u8d77\u7684\u7ec4\u5206\u53d8\u5316\u662f\u9a71\u52a8\u5931\u914d\u4f4d\u9519\u5f62\u6838\u548c\u8fc1\u79fb\u5e94\u53d8\/\u5e94\u529b\u7684\u56e0\u7d20\u3002\u6b64\u5916\uff0c\u6587\u7ae0\u9610\u8ff0\u4e86\u5982\u4f55\u5229\u7528\u5408\u91d1\u7ec4\u5206\u7684\u8868\u9762\u504f\u6790\u6765\u7406\u89e3\u4f4d\u9519\u7684\u5f62\u6210\u8fc7\u7a0b\u3002\u8868\u9762\u504f\u6790\u9a71\u52a8\u7684\u76f8\u53d8\u4f1a\u5728\u5408\u9002\u7684\u8868\u9762\u6216\u5185\u90e8\u754c\u9762\u5904\u5f62\u6210\u8584\u5916\u5ef6\u5c42\uff0c\u8fd9\u79cd\u673a\u5236\u5728\u5176\u4ed6\u6750\u6599\u7cfb\u7edf\u4e2d\u4f9d\u7136\u53ef\u4ee5\u770b\u5230\u3002\u6587\u4e2d\u6240\u63cf\u8ff0\u7684\u73b0\u8c61\u5bf9\u4e8e\u8868\u9762\u548c\u754c\u9762\u6027\u8d28\u7684\u7406\u89e3\u5177\u6709\u66f4\u6df1\u523b\u7684\u542b\u4e49\uff0c\u6e05\u695a\u5730\u8868\u660e\u539f\u5b50\u504f\u6790\u4e0d\u4ec5\u6539\u53d8\u4e86\u56fa\u6eb6\u4f53\u8868\u9762\u548c\u6b21\u8868\u9762\u533a\u57df\u4e2d\u7684\u6210\u5206\uff0c\u540c\u65f6\u8fd8\u6539\u53d8\u4e86\u539f\u5b50\u7ed3\u6784\u548c\u5e94\u53d8\u72b6\u6001\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1aDislocation nucleation facilitated by atomic segregation<\/a> (Nat. Mater., 27 November, 2017 , DOI: 10.1038\/nmat5034\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u91d1\u5c5e\u5b66\u672f\u7ec4jcfxs01\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n

\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8\u5927\u5bb6\u5ead<\/a>\u3002<\/p>\n

\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1tougao@cailiaoren.com\u3002<\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1aRDD-2011-CHERISH\uff0c\u4efb\u4e39\u4e39\uff0c\u6211\u4eec\u4f1a\u9080\u8bf7\u5404\u4f4d\u8001\u5e08\u52a0\u5165\u4e13\u5bb6\u7fa4\u3002<\/strong><\/p>\n

\u6750\u6599\u6d4b\u8bd5\u3001\u6570\u636e\u5206\u6790\uff0c\u4e0a\u6d4b\u8bd5\u8c37<\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u91d1\u5c5e\u6750\u6599\u7684\u5408\u91d1\u5316\u662f\u6539\u5584\u5176\u673a\u68b0\u5f3a\u5ea6\u3001\u5ef6\u5c55\u6027\u3001\u97e7\u6027\u3001\u8010\u8150\u8680\u6027\u548c\u50ac\u5316\u6027\u7b49\u6027\u80fd\u7684\u5e38\u7528\u65b9\u6cd5\u3002\u6750\u6599\u5c40\u90e8\u7ec4\u6210\u53d1\u751f\u7684\u5fae\u5c0f\u53d8\u5316\u90fd\u4f1a\u5bfc\u81f4\u5176\u6027\u8d28\u7684\u6025\u5267\u53d8\u5316\uff1a\u4f8b\u5982\u8868\u9762\u53d1\u751f\u53d8\u5316…<\/p>\n","protected":false},"author":4915,"featured_media":114739,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[346],"class_list":["post-114737","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","tag-metal"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/114737"}],"collection":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/users\/4915"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=114737"}],"version-history":[{"count":5,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/114737\/revisions"}],"predecessor-version":[{"id":115012,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/114737\/revisions\/115012"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/media\/114739"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=114737"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=114737"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=114737"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}