{"id":131938,"date":"2018-03-28T14:00:17","date_gmt":"2018-03-28T06:00:17","guid":{"rendered":"\/\/m.iemloyee.com\/?p=131938"},"modified":"2018-04-01T13:32:25","modified_gmt":"2018-04-01T05:32:25","slug":"nature%e5%ad%90%e5%88%8a%ef%bc%9a%e9%9d%9e%e6%99%b6%e5%90%88%e9%87%91%e5%bd%a2%e6%88%90%e6%b6%b2%e4%bd%93%e4%b8%ad%e7%a9%ba%e9%97%b4%e4%b8%8d%e5%9d%87%e5%8c%80%e5%8a%a8%e5%8a%9b%e5%ad%a6%e7%9a%84","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=131938","title":{"rendered":"Nature\u5b50\u520a\uff1a\u975e\u6676\u5408\u91d1\u5f62\u6210\u6db2\u4f53\u4e2d\u7a7a\u95f4\u4e0d\u5747\u5300\u52a8\u529b\u5b66\u7684\u7535\u5b50\u76f8\u5173\u663e\u5fae\u955c\u6210\u50cf\u89c2\u5bdf"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u8fc7\u51b7\u6db2\u4f53\u5728\u539f\u5b50\u6392\u5e03\u6da8\u843d\u7684\u52a8\u529b\u5b66\u8fc7\u7a0b\u4e2d\u8868\u73b0\u51fa\u7a7a\u95f4\u4e0d\u5747\u5300\u6027\u3002\u6839\u636e\u591a\u6570\u5fae\u89c2\u7406\u8bba\u7684\u89c2\u70b9\uff0c\u8fc7\u51b7\u6db2\u6001\u7ecf\u5386\u73bb\u7483\u8f6c\u53d8\u65f6\uff0c\u5f1b\u8c6b\u65f6\u95f4\u548c\u5f1b\u8c6b\u8f83\u6162\u533a\u57df\u7684\u7279\u5f81\u957f\u5ea6\u589e\u52a0\u3002\u5bf9\u6bd4\u800c\u8a00\uff0c\u7ecf\u5178\u5f62\u6838\u7406\u8bba\u8ba4\u4e3a\uff0c\u6db2\u76f8\u5728\u754c\u9762\u5904\u4f1a\u7387\u5148\u53d1\u751f\u7ed3\u6676\u8f6c\u53d8\u3002\u5c3a\u5ea6\u52a8\u529b\u5b66\u4e0d\u5747\u5300\u7684\u957f\u5ea6\u5c3a\u5ea6\u548c\u65f6\u95f4\u5c3a\u5ea6\u5bf9\u4e8e\u73bb\u7483\u8f6c\u53d8\u53ca\u6db2\u76f8\u7ed3\u6676\u7684\u5f62\u6838\u751f\u957f\u95ee\u9898\u81f3\u5173\u91cd\u8981\u3002\u7535\u5b50\u76f8\u5173\u663e\u5fae\u955c\uff08ECM\uff09\u53ef\u7528\u4e8e\u7eb3\u7c73\u5c3a\u5ea6\u7a7a\u95f4\u5206\u8fa8\u7387\u7684\u6db2\u76f8\u52a8\u529b\u5b66\u6d4b\u91cf\uff0c\u5b83\u4f7f\u7528\u65f6\u95f4\u5206\u8fa8\u7684\u76f8\u5e72\u7535\u5b50\u884d\u5c04\u6765\u7814\u7a76\u7eb3\u7c73\u5c3a\u5ea6\u7684\u6db2\u76f8\u52a8\u529b\u5b66\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u7f8e\u56fd\u5a01\u65af\u5eb7\u661f\u5927\u5b66<\/strong>\u9ea6\u8fea\u900a\u5206\u6821<\/strong>Paul M. Voyles<\/strong>\u6559\u6388<\/strong>\u5728Nature Communications<\/strong>\u53d1\u8868\u4e86\u9898\u4e3a\u201cSpatially heterogeneous dynamics in a metallic glass forming liquid imaged by electron correlation microscopy<\/strong>\u201d\u7684\u7814\u7a76\u8bba\u6587\u3002\u8be5\u56e2\u961f\u501f\u52a9\u4e9a\u7eb3\u7c73\u7ea7\u5206\u8fa8\u7387\u7684\u7535\u5b50\u76f8\u5173\u663e\u5fae\u955c\uff08electron correlation microscopy\uff09\u76f4\u63a5\u5b9e\u9a8c\u89c2\u5bdf\u5230\u5728Pt\u57fa\u975e\u6676\u5408\u91d1\u7684\u8fc7\u51b7\u6db2\u6001\u4e2d\uff0c \u52a8\u529b\u5b66\u7a7a\u95f4\u4e0d\u5747\u5300\u6027\u968f\u6e29\u5ea6\u7684\u53d8\u5316\u60c5\u51b5\u3002\u5b9e\u9a8c\u5f97\u5230\u7684\u56db\u70b9\u65f6\u7a7a\u5173\u8054\u51fd\u6570\u663e\u793a\u52a8\u529b\u5b66\u5173\u8054\u957f\u5ea6\u5728\u51b7\u5374\u81f3\u73bb\u7483\u8f6c\u53d8\u70b9\u7684\u8fc7\u7a0b\u4e2d\u589e\u52a0\uff0c\u4e14\u52a8\u529b\u5b66\u5173\u8054\u957f\u5ea6\u968f\u5f1b\u8c6b\u65f6\u95f4\u7684\u51fd\u6570\u5173\u7cfb\u4e0eAdam-Gibbs\u7406\u8bba\u3001\u4e0d\u5747\u5300\u6a21\u91cf\u8026\u5408\u7406\u8bba\u548c\u73bb\u7483\u8f6c\u53d8\u7684\u968f\u673a\u4e00\u7ea7\u76f8\u53d8\u7406\u8bba\u90fd\u5f97\u5230\u5f88\u597d\u7684\u7b26\u5408\u3002\u540c\u65f6\uff0c\u5b9e\u9a8c\u8bc1\u660e\u7eb3\u7c73\u539a\u5ea6\u7684\u8fd1\u8868\u9762\u5c42\u7684\u5b58\u5728\uff0c\u5176\u6bd4\u5757\u4f53\u5185\u90e8\u7684\u5f1b\u8c6b\u65f6\u95f4\u8981\u5feb\u51e0\u4e2a\u6570\u91cf\u7ea7\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe1\uff1a\u503e\u659c\u6697\u573a\u7535\u5b50\u76f8\u5173\u663e\u5fae\u955c\u8868\u5f81\u3002<\/strong><\/p>\n (a) \u5b9e\u9a8c\u793a\u610f\u56fe\u3002\u4f7f\u7528\u4e0e\u663e\u5fae\u955c\u5149\u8f74\u6709\u4e00\u5b9a\u5939\u89d2\u7684\u503e\u659c\u7167\u660e\uff0c\u4e00\u4e2a\u5c0f\u7684\u540c\u8f74\u7269\u955c\u5b54\u5f84\u5728\u884d\u5c04\u82b1\u6837\u4e2d\u9009\u53d6\u4e00\u4e2a\u5149\u6591\uff0c\u5f62\u6210\u5b9e\u7a7a\u95f4\u56fe\u50cf\u3002\u7ed3\u6784\u91cd\u6392\u5f15\u8d77\u56fe\u50cf\u6591\u70b9\u7684\u5f3a\u5ea6\u6da8\u843d\uff1b<\/p>\n (b) \u8ba1\u7b97\u6bcf\u4e2a\u50cf\u7d20\u7684\u65f6\u95f4\u5e8f\u5217\u5f3a\u5ea6\uff0c\u5f97\u5230\u65f6\u95f4\u81ea\u52a8\u5173\u8054\u51fd\u6570g<\/em>2<\/sub>(t<\/em>)\uff0c\u4e4b\u540e\u62df\u5408KWW\u65b9\u7a0b\u5e76\u63d0\u53d6\u5f1b\u8c6b\u65f6\u95f4\u03c4<\/em>\u548c\u62c9\u4f38\u53c2\u91cf\u03b2<\/em>\u3002<\/p>\n \u56fe2\uff1a\u8fc7\u51b7\u6db2\u76f8\u4f53\u7cfb\u4e2d\u7eb3\u7c73\u7ebf\u7684\u7ed3\u6784\u5f1b\u8c6b\u65f6\u95f4\u7684\u7a7a\u95f4\u5206\u5e03\u3002<\/strong><\/p>\n (a) T=523K, (b) T=519K, (c) T=515K, (d) T=511K, (e) T=507K.<\/p>\n \u5206\u5e03\u56fe\u663e\u793a\u4e0d\u540c\u5f1b\u8c6b\u65f6\u95f4\u7684\u7eb3\u7c73\u5c3a\u5ea6\u5fae\u533a\uff0c\u968f\u6e29\u5ea6\u589e\u52a0\uff0c\u5f1b\u8c6b\u6162\u7684\u5fae\u533a\u589e\u5927\u4e14\u5728\u5206\u5e03\u56fe\u4e2d\u901f\u6218\u6bd4\u4f8b\u66f4\u591a\uff0c\u7279\u522b\u662f\u5728\u63a5\u8fd1T<\/em>g<\/sub>=507K\u65f6\u3002\u63a5\u8fd1\u6bcf\u6761\u7eb3\u7c73\u7ebf\u8868\u9762~1nm\u539a\u7684\u533a\u57df\uff0c\u5f1b\u8c6b\u65f6\u95f4\u8981\u77ed20\u500d\u3002<\/p>\n (f) \u7eb3\u7c73\u7ebf\u5185\u90e8\uff08\u5757\u4f53\uff09\u548c\u8fd1\u8868\u9762\u5c42\u7684\u5e73\u5747\u7ed3\u6784\u5f1b\u8c6b\u65f6\u95f4\u3002<\/p>\n \u56fe3\uff1a\u8fd1\u8868\u9762\u533a\u57df\u7684\u5feb\u52a8\u529b\u5b66\u3002<\/strong><\/p>\n \u5728\u8fd1\u81ea\u7531\u8868\u9762\u5904\uff0c\u5f1b\u8c6b\u65f6\u95f4\u4fdd\u6301\u4e0d\u53d8\u4e14\u6bd4\u7eb3\u7c73\u7ebf\u4e2d\u5fc3\u5f1b\u8c6b\u65f6\u95f4\u5c0f\u7ea620\u500d\u3002\u5185\u63d2\u56fe\u8868\u793a\u8fd1\u81ea\u7531\u8868\u9762\u59043-4\u50cf\u7d20\u5bbd\u5ea6\uff0c\u57280.7\u81f31nm\u4e4b\u95f4\u3002<\/p>\n \u56fe4\uff1a\u4e0d\u5747\u5300\u52a8\u529b\u5b66\u7684\u7279\u5f81\u957f\u5ea6\u548c\u65f6\u95f4\u5c3a\u5ea6\u3002<\/strong><\/p>\n (a)\u5728507K\u5904\u793a\u4f8b\u7684g<\/em>4<\/sub>(\u25b3t<\/em>,\u25b3r<\/em>)\uff1b<\/p>\n (b)\u5173\u8054\u957f\u5ea6\u03be\u968f\u6e29\u5ea6\u7684\u51fd\u6570\u53d8\u5316\u5173\u7cfb\uff1b<\/p>\n (c) \u5173\u8054\u957f\u5ea6\u03be\u4e0eln(\u03c4)\u7684\u51fd\u6570\u5173\u7cfb\uff0c\u5728Adam-Gibbs\u7406\u8bba\u4e2d\u4e3a\u4e00\u6761\u76f4\u7ebf\uff1b<\/p>\n (d) \u03be\u548c\u03c4<\/em>\u7684\u5bf9\u6570\u503c\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u5728\u4e0d\u5747\u5300\u6a21\u91cf\u8026\u5408\u7406\u8bba\u4e2d\u4e3a\u4e00\u6761\u76f4\u7ebf\uff1b<\/p>\n (e) \u03c4\u7684\u534a\u5bf9\u6570\u4e0e\u03be \/kB<\/sub>T\u7684\u5173\u7cfb\u66f2\u7ebf\uff0c\u5728\u968f\u673a\u4e00\u7ea7\u76f8\u53d8\u4e2d\u4e3a\u4e00\u6761\u76f4\u7ebf\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u603b\u7684\u6765\u8bf4\uff0c\u6587\u7ae0\u62a5\u9053\u4e86\u4f7f\u7528\u6697\u573a\u7535\u5b50\u76f8\u5173\u663e\u5fae\u955c\u6765\u76f4\u63a5\u6d4b\u91cfPt\u57fa\u5408\u91d1\u7eb3\u7c73\u7ebf\u7684\u8fc7\u51b7\u6db2\u76f8\u4e2d\u7684\u52a8\u529b\u5b66\u7a7a\u95f4\u4e0d\u5747\u5300\u6027\u3002\u52a8\u529b\u5b66\u901a\u8fc7\u968f\u6db2\u76f8\u51b7\u5374\u5230\u73bb\u7483\u8f6c\u53d8\u70b9\u800c\u4e0d\u65ad\u589e\u957f\u7684\u957f\u5ea6\u548c\u65f6\u95f4\u5c3a\u5ea6\u6765\u8868\u5f81\u3002\u7eb3\u7c73\u7ebf\u4e5f\u8868\u73b0\u51fa\u8fd1\u8868\u9762\u7ea61nm\u539a\u5ea6\u7684\u5c42\u4e2d\uff0c\u660e\u663e\u8868\u73b0\u51fa\u4e0d\u540c\u4e8e\u5757\u4f53\u7684\u5feb\u52a8\u529b\u5b66\u3002\u8fd1\u8868\u9762\u5c42\u7684\u7279\u5f81\u4e3a\u6db2\u76f8\u5728\u8868\u9762\u5747\u5300\u7ed3\u6676\u63d0\u4f9b\u4e86\u6709\u6548\u673a\u5236\uff0c\u63d0\u51fa\u4e86\u4e0e\u4e0d\u5747\u5300\u5f62\u6838\u76f8\u53cd\u7684\u89c2\u70b9\u3002<\/p>\n \u6587\u732e\u94fe\u63a5\uff1a<\/strong>Spatially heterogeneous dynamics in a metallic glass forming liquid imaged by electron correlation microscopy<\/a>\uff08Nat.Commun.,2018,DOI: 10.1038\/s41467-018-03604-2\uff09<\/p>\n \u672c\u6587\u7531\u6750\u6599\u4eba\u91d1\u5c5e\u6750\u6599\u7ec4Isobel\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\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\uff1acailiaokefu\u3002<\/p>\n \u6750\u6599\u4eba\u91cd\u78c5\u63a8\u51fa\u6750\u6599\u8ba1\u7b97\u89e3\u51b3\u65b9\u6848\uff0c\u7ec4\u5efa\u4e86\u4e00\u652f\u6765\u81ea\u5168\u56fd\u77e5\u540d\u9ad8\u6821\u8001\u5e08\u53ca\u4f01\u4e1a\u5de5\u7a0b\u5e08\u7684\u79d1\u6280\u987e\u95ee\u56e2\u961f\uff0c\u4e13\u6ce8\u4e8e\u4e3a\u5927\u5bb6\u89e3\u51b3\u5404\u7c7b\u8ba1\u7b97\u6a21\u62df\u9700\u6c42\u3002\u5982\u679c\u60a8\u6709\u9700\u6c42\uff0c\u6b22\u8fce\u626b\u4ee5\u4e0b\u4e8c\u7ef4\u7801\u63d0\u4ea4\u60a8\u7684\u9700\u6c42\u3002\u6216\u70b9\u51fb\u94fe\u63a5\u63d0\u4ea4<\/a>\uff0c\u6216\u76f4\u63a5\u8054\u7cfb\u5fae\u4fe1\u5ba2\u670d\uff08\u5fae\u4fe1\u53f7\uff1aiceshigu\uff09<\/p>\n \u3010\u5f15\u8a00\u3011 \u8fc7\u51b7\u6db2\u4f53\u5728\u539f\u5b50\u6392\u5e03\u6da8\u843d\u7684\u52a8\u529b\u5b66\u8fc7\u7a0b\u4e2d\u8868\u73b0\u51fa\u7a7a\u95f4\u4e0d\u5747\u5300\u6027\u3002\u6839\u636e\u591a\u6570\u5fae\u89c2\u7406\u8bba\u7684\u89c2\u70b9\uff0c\u8fc7\u51b7\u6db2\u6001\u7ecf\u5386\u73bb\u7483\u8f6c\u53d8\u65f6\uff0c\u5f1b\u8c6b\u65f6\u95f4\u548c\u5f1b\u8c6b\u8f83\u6162\u533a\u57df\u7684\u7279\u5f81\u957f\u5ea6\u589e\u52a0\u3002\u5bf9\u6bd4\u800c\u8a00…<\/p>\n","protected":false},"author":4765,"featured_media":131939,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[2966,2985,2798],"class_list":["post-131938","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","tag-2966","tag-2985","tag-2798"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/131938"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/4765"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=131938"}],"version-history":[{"count":5,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/131938\/revisions"}],"predecessor-version":[{"id":132945,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/131938\/revisions\/132945"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/131939"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=131938"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=131938"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=131938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"