{"id":120467,"date":"2018-01-12T14:00:35","date_gmt":"2018-01-12T06:00:35","guid":{"rendered":"\/\/m.iemloyee.com\/?p=120467"},"modified":"2018-01-09T18:15:59","modified_gmt":"2018-01-09T10:15:59","slug":"nature%e5%ad%90%e5%88%8a%ef%bc%9a%e7%94%b1%e7%94%b5%e5%9c%ba%e6%8e%a7%e5%88%b6%e7%9a%84%e9%97%b4%e9%87%91%e5%b1%9e%e8%96%84%e8%86%9c%e4%b8%ad%e7%9a%84%e7%94%b5%e6%80%a7%e5%8f%af%e9%80%86%e8%a3%82","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=120467","title":{"rendered":"Nature\u5b50\u520a\uff1a\u7531\u7535\u573a\u63a7\u5236\u7684\u95f4\u91d1\u5c5e\u8584\u819c\u4e2d\u7684\u7535\u6027\u53ef\u9006\u88c2\u7eb9"},"content":{"rendered":"

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

\u8fd1\u6765\uff0c\u5c06\u76f8\u53d8\u78c1\u6027\u95f4\u91d1\u5c5e\u5408\u91d1\u8584\u819c\u4e0e\u529f\u80fd\u6027\u94c1\u7535\u4f53\u6c27\u5316\u7269\u7ed3\u5408\u5728\u4e00\u8d77\uff0c\u901a\u8fc7\u5c0f\u7535\u573a\u63a7\u5236\u53ef\u4ee5\u6709\u6548\u8c03\u63a7\u95f4\u91d1\u5c5e\u95f4\u7684\u78c1\u6027\u548c\u7535\u963b\u7387\uff0c\u4e3a\u4f4e\u8017\u80fd\u5b58\u50a8\u5668\u5e94\u7528\u63d0\u4f9b\u4e86\u826f\u597d\u7684\u524d\u666f\u3002\u53e6\u5916\uff0c\u94c1\u7535\u6c27\u5316\u7269\u7684\u538b\u7535\u6548\u5e94\u5df2\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u673a\u68b0\u80fd\u91cf\u6536\u96c6\uff0c\u673a\u68b0\u4f20\u611f\u5668\u548c\u7535\u673a\u4e2d\u3002\u7136\u800c\uff0c\u94c1\u7535\u9676\u74f7\u5728\u5faa\u73af\u7535\u573a\u4e0b\u4f1a\u7531\u4e8e\u5fae\u89c2\u5185\u90e8\u5e94\u529b\u800c\u4ea7\u751f\u88c2\u7eb9\uff0c\u8fd9\u5728\u5927\u591a\u6570\u94c1\u7535\u5e94\u7528\u662f\u6709\u5bb3\u7684\u3002<\/p>\n

\u7531\u4e8e\u8868\u9762\u7f3a\u9677\u5bf9\u94c1\u7535\u7574\u7684\u9489\u624e\u4f5c\u7528\uff0c\u94c1\u7535\u6750\u6599\u4e2d\u90e8\u5206\u7574\u4e0d\u80fd\u5728\u5916\u52a0\u7535\u573a\u4e0b\u81ea\u7531\u53cd\u8f6c\u3002\u5f53\u7ed9\u94c1\u7535\u6750\u6599\u65bd\u52a0\u5468\u671f\u6027\u5916\u52a0\u7535\u573a\u65f6\uff0c\u53ef\u81ea\u7531\u53cd\u8f6c\u548c\u4e0d\u80fd\u53cd\u8f6c\u7684\u7574\u4ea4\u754c\u5904\u5c31\u4f1a\u79ef\u805a\u5f88\u5927\u7684\u5185\u90e8\u5e94\u529b\uff0c\u5f53\u8fd9\u79cd\u5185\u90e8\u5e94\u529b\u5bf9\u5e94\u7684\u5f39\u6027\u80fd\u9ad8\u4e8e\u94c1\u7535\u6750\u6599\u7684\u8868\u9762\u80fd\u65f6\uff0c\u94c1\u7535\u6750\u6599\u8868\u9762\u5c31\u4f1a\u51fa\u73b0\u7eb3\u7c73\u6216\u8005\u5fae\u7c73\u5c3a\u5ea6\u88c2\u75d5\u3002\u8fd9\u4e9b\u88c2\u75d5\u5728\u5468\u671f\u6027\u7535\u573a\u4e0b\u4f1a\u53ef\u9006\u5f00\u5173\u5e76\u4e14\u4f1a\u8fdb\u4e00\u6b65\u751f\u957f\u6269\u5c55\uff0c\u5bf9\u5f88\u591a\u5e94\u7528\u975e\u5e38\u6709\u5bb3\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u5317\u4eac\u822a\u7a7a\u822a\u5929\u5927\u5b66\u5218\u77e5\u742a<\/strong>(<\/strong>\u901a\u8baf\u4f5c\u8005<\/strong>)<\/strong>\u5728\u9876\u7ea7\u671f\u520aNature Communications<\/strong>\u53d1\u8868\u4e86\u9898\u76ee\u4e3a\u201cElectrically reversible cracks in an intermetallic film controlled by an electric field<\/strong>\u201d\u7684\u6587\u7ae0\uff0c\u62a5\u9053\u4e86\u4e00\u79cd\u65b0\u578b\u7684\u7531\u95f4\u91d1\u5c5e\u8584\u819c\u548c\u94c1\u7535\u6c27\u5316\u7269\u7ec4\u6210\u7684\u5f02\u8d28\u7ed3\u6784\uff0c\u7528\u4e8e\u5ba4\u6e29\u8bb0\u5fc6\u7684\u5e94\u7528\u7814\u7a76\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe<\/strong>1. 35nm<\/strong>\u539a\u7684<\/strong>MnPt \/ PMN-PT<\/strong>\u5f02\u8d28\u7ed3\u6784\u7684\u6a2a\u622a\u9762\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>2.<\/strong> \u5ba4\u6e29\u4e0b\u8fdb\u884c\u5de8\u7535\u8f6c\u6362\u5b9e\u9a8c<\/strong><\/p>\n

\"\"<\/p>\n

a.\u5728PMN-PT\u4e2d\u4ea7\u751f\u88c2\u7eb9\u7684\u7535\u6ce2\u5f62<\/p>\n

b.\u7535\u963b\u6d4b\u91cf\u51e0\u4f55\u7684\u793a\u610f\u56fe<\/p>\n

c.\u901a\u9053\u7535\u6d41Isd<\/sub>\u7684\u91cd\u590d\u548c\u53ef\u518d\u73b0\u7684\u5207\u6362\u4f5c\u4e3a\u6805\u6781\u7535\u573aEG<\/sub>\u7684\u51fd\u6570\uff0c\u5728300K\u4e0b\u7531Vsd <\/sub>= 0.1V\u7684\u6d4b\u91cf<\/p>\n

d.\u6700\u540e\u4e00\u6b21\u626b\u63cf\u7684PMN-PT\u886c\u5e95\u4e2d\u7684\u5bf9\u5e94\u5f00\u5173\u7535\u6d41<\/p>\n

\u56fe<\/strong>3.<\/strong>\u5728\u626b\u63cf\u6805\u6781\u7535\u573a<\/strong>EG<\/strong>\u4e4b\u540e\uff0c\u5728<\/strong>MnPt<\/strong>\u819c\u4e2d\u7684\u5355\u4e2a\u88c2\u7eb9\u7684\u7531\u7535\u573a\u9a71\u52a8\u7684\u53ef\u9006\u88c2\u7eb9\u539f\u5b50\u529b\u663e\u5fae\u955c\u56fe\u50cf\uff08<\/strong>5\u00d75\u03bcm2<\/sup><\/strong>\uff09<\/strong><\/p>\n

\"\"<\/p>\n

a.\u4ece+3.3 kV \/ cm\u52300 kV \/ cm<\/p>\n

b.\u4ece-3.3kV \/ cm\u52300kV \/ cm\u3002<\/p>\n

c\uff0cd.\u793a\u610f\u56fe\u663e\u793a\uff08001\uff09PMN-PT\u8868\u9762\u4e0a\u7684\u7535\u573a\uff08E\uff09\u8bf1\u5bfc\u7684\u53ef\u9006\u548c\u975e\u6613\u5931\u6027\u88c2\u7eb9\u5f62\u6210\u548c\u95ed\u5408\u53ef\u7531\u53ef\u9006\u7684\u548c\u975e\u6613\u5931\u6027E\u8bf1\u5bfc\u7684109\u00b0\u504f\u632f\u8f6c\u6362\u4ea7\u751f\u3002<\/p>\n

e.\u5f53\u5e94\u53d8\u4e3aON\uff08\u7b2c\u4e00\u884c\u4e2d\u7684\u7b2c\u4e00\u4e2a\u56fe\u50cf\uff09\u548cOFF\uff08\u5269\u4f59\u56fe\u50cf\uff09\u65f6\u88c2\u7eb9\u6f14\u53d8\u7684\u76f8\u4f4d\u573a\u6a21\u62df\u3002\u5f69\u6761\u663e\u793a\u76f8\u4f4d\u53d8\u91cf\u7684\u5927\u5c0f\uff0c\u5728\u88c2\u7eb9\u533a\u57df\u4e3a1\uff0c\u5728PMN-PT\u4e2d\u4e3a0\uff0c\u5e76\u4e14\u5728\u5176\u754c\u9762\u4e0a\u8fde\u7eed\u53d8\u5316<\/p>\n

\u56fe<\/strong>4. <\/strong>\u7834\u89e3\u589e\u957f\u52a8\u6001\u548c\u8010\u529b\u6d4b\u8bd5\u3002<\/strong><\/p>\n

\"\"<\/strong><\/p>\n

a. \u5728\u4e0d\u540c\u7684\u5faa\u73af\u573a\u9891\u7387\u4e0b\u88c2\u7eb9\u6269\u5c55\u957f\u5ea6\u4e0e\u7535\u5faa\u73af\u6b21\u6570\u7684\u5173\u7cfb\uff0c\u4e09\u89d2\u6ce2\u5468\u671f\u7535\u573a\u7684\u5e45\u503c\u4e3a1.3kV \/ cm<\/p>\n

b. 0.1V\u6d4b\u91cf\u7684\u53cc\u63a2\u9488\u7535\u963b\u4e0e\u5355\u4e2a\u88c2\u7eb9\u4e0a\u7684\u6805\u6781\u7535\u573a\u8109\u51b2\u6570\u7684\u5173\u7cfb\uff0c\u8109\u51b2\u5bbd\u5ea6\u4e3a10\u03bcs\uff0c\u632f\u5e45\u4e3a1.3kV \/ cm<\/p>\n

c. \u5355\u4e2a\u88c2\u7eb9\u7684\u4e0d\u540c\u963b\u529b\u72b6\u6001\u7684\u4fdd\u7559\u957f\u8fbe60\u5929<\/p>\n

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

\u672c\u6587\u7814\u7a76\u62a5\u544a\u4e86\u4e00\u4e2a\u5728\u5c0f\u7535\u573a\uff08-0.83kv\/cm\uff09\u9a71\u52a8\u7684\u94c1\u7535\u57fa\u7247\u4e0a\u751f\u957f\u7684\u95f4\u91d1\u5c5e\u8584\u819c\u4e2d\u7684\u7eb3\u7c73\u7ea7\u88c2\u7eb9\u7684\u7535\u53ef\u9006\u6253\u5f00\u548c\u5173\u95ed\u3002\u901a\u8fc7\u5728\u94c1\u7535\u6c27\u5316\u7269\u5355\u6676\u886c\u5e95\u4e0a\u96c6\u6210\u9002\u5ea6\u529b\u5b66\u5ef6\u5c55\u6027\u80fd\u7684\u95f4\u91d1\u5c5e\u8584\u819c\uff0c\u5916\u90e8\u7535\u573a\u9a71\u52a8\u7684\u94c1\u7535\u6c27\u5316\u7269\u4e2d\u7684\u88c2\u7eb9\u7684\u673a\u68b0\u5f00\u5408\u53ef\u4ee5\u901a\u8fc7\u754c\u9762\u5e94\u53d8\u8f6c\u79fb\u5230\u91d1\u5c5e\u95f4\u5316\u5408\u7269\u8584\u819c\u4e2d\uff0c\u7136\u540e\u94c1\u7535\u6c27\u5316\u7269\u6709\u6548\u5730\u4f5c\u7528\u4ee5\u7c7b\u4f3c\u4e8e\u6253\u5f00\/\u5173\u95ed\u7535\u65ad\u8def\u5668\u7684\u65b9\u5f0f\u673a\u68b0\u5730\u6253\u5f00\u548c\u95ed\u5408\u91d1\u5c5e\u95f4\u8584\u819c\u4e2d\u7684\u88c2\u7f1d\uff0c\u5ba4\u6e29\u4e0b\u5728\u91d1\u5c5e\u95f4\u5316\u5408\u7269\u8584\u819c\u7684\u88c2\u7eb9\u4e0a\u6d4b\u5b9a\u5f97\u5230\u4e86108<\/sup>\u4ee5\u4e0a\u7684\u975e\u6613\u5931\u6027\u5de8\u7535\u963b\u7684\u5f00\u5173\u6bd4\u3002 \u4f4e\u9891\u7535\u538b\u5faa\u73af\u5bb9\u6613\u5f62\u6210\u88c2\u7f1d\uff0c\u5e76\u5728\u9ad8\u9891\u7387\u5de5\u4f5c\u65f6\u4fdd\u6301\u7a33\u5b9a\uff0c\u8fd9\u4e3a\u4e0b\u4e00\u4ee3\u9ad8\u9891\u7387\u5b58\u50a8\u5668\u5e94\u7528\u63d0\u4f9b\u4e86\u6709\u5438\u5f15\u529b\u7684\u6f5c\u529b\u3002\u6b64\u5916\uff0c\u8010\u4e45\u6027\u6d4b\u8bd5\u8868\u660e\uff0c\u8fd9\u79cd\u88c2\u7eb9\u7684\u5f00\u542f\u548c\u5173\u95ed\u53ef\u4ee5\u572810\u03bcs\u7684\u8109\u51b2\u4e0b\u8fbe\u5230\u8d85\u8fc7107<\/sup>\u4e2a\u5468\u671f\uff0c\u4e5f\u4e0d\u4f1a\u9020\u6210\u707e\u96be\u6027\u7684\u5931\u6548\uff0c\u8fd9\u4e00\u7814\u7a76\u201c\u53d8\u5bb3\u4e3a\u5229\u201d\uff0c\u4e3a\u4fe1\u606f\u5b58\u50a8\u5f00\u8f9f\u4e86\u65b0\u9014\u5f84\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Electrically reversible cracks in an intermetallic film controlled by an electric field<\/a><\/p>\n

\uff08Nat. Commun.\uff0c2018\uff0cDOI\uff1a10.1038\/s41467-017-02454-8.\uff09<\/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\u3002\u00a0 \u00a0\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8\u5927\u5bb6\u5ead<\/a>\u3002<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u91d1\u5c5e\u5b66\u672f\u7ec4\u5f20\u6da6\u51ef\u7f16\u8bd1\u3002<\/p>\n

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

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