{"id":243959,"date":"2022-11-14T06:27:18","date_gmt":"2022-11-13T22:27:18","guid":{"rendered":"\/\/m.iemloyee.com\/?p=243959"},"modified":"2022-11-13T22:28:37","modified_gmt":"2022-11-13T14:28:37","slug":"nature-nanotechnology%ef%bc%9a%e9%ab%98%e8%b4%a8%e9%87%8f%e5%8d%95%e6%99%b6%e6%9d%90%e6%96%99%e5%bc%82%e8%b4%a8%e7%bb%93%e7%94%9f%e9%95%bf%e6%96%b0%e7%ad%96%e7%95%a5","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=243959","title":{"rendered":"Nature Nanotechnology\uff1a\u9ad8\u8d28\u91cf\u5355\u6676\u6750\u6599\u5f02\u8d28\u7ed3\u751f\u957f\u65b0\u7b56\u7565"},"content":{"rendered":"

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

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\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u9ebb\u7701\u7406\u5de5\u5b66\u9662Jeehwan Kim\u3001\u4f26\u65af\u52d2\u7406\u5de5\u5b66\u9662\u77f3\u4e91\u5cf0\u3001\u4fc4\u4ea5\u4fc4\u5dde\u7acb\u5927\u5b66Jinwoo Hwang\u3001\u5723\u8def\u6613\u65af\u534e\u76db\u987f\u5927\u5b66Sang-Hoon Bae\u7b49\u4eba<\/strong>\u53d1\u8868\u4e86\u7814\u7a76\u6027\u8bba\u6587\uff0c\u5f15\u5165\u77f3\u58a8\u70ef\u7eb3\u7c73\u56fe\u6848\u4f5c\u4e3a\u5148\u8fdb\u7684\u5f02\u8d28\u6574\u5408\u5e73\u53f0\uff0c\u5141\u8bb8\u5236\u5907\u5e7f\u6cdb\u7c7b\u578b\u7684\u5355\u6676\u819c\u6750\u6599\uff08\u4ece\u975e\u6781\u6027\u6750\u6599\u5230\u6781\u6027\u6750\u6599\uff0c\u4ece\u7a84\u5e26\u9699\u5230\u5bbd\u5e26\u9699\u534a\u5bfc\u4f53\u6750\u6599\uff09\uff0c\u5176\u7f3a\u9677\u5927\u5927\u51cf\u5c11\u3002<\/p>\n

\u76f8\u5173\u7814\u7a76\u6587\u7ae0\u4ee5\u201cGraphene nanopattern as a universal epitaxy platform for single-crystal membrane production and defect reduction<\/em><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Nature Nanotechnology<\/em><\/strong>\u4e0a\u3002<\/p>\n

\"\"<\/p>\n

\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/strong><\/p>\n

\u672c\u6587\u63d0\u51fa\u4e86\u4e00\u79cd\u65b0\u7684\u5355\u6676\u5f02\u8d28\u7ed3\u5236\u5907\u65b9\u6cd5\uff0c\u6709\u53ef\u80fd\u901a\u8fc7\u6269\u5927\u6750\u6599\u7684\u9009\u62e9\u8303\u56f4\u4e3a\u8bbe\u8ba1\u5f02\u8d28\u96c6\u6210\u7cfb\u7edf\u63d0\u4f9b\u7075\u6d3b\u6027\uff0c\u4ece\u800c\u5f7b\u5e95\u6539\u53d8\u4e0d\u540c\u6750\u6599\u7684\u5f02\u8d28\u96c6\u6210\u3002<\/p>\n

\u3010\u6570\u636e\u6982\u89c8\u3011<\/strong><\/p>\n

\"\"<\/p>\n

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\n <\/strong> a\uff0c\u7eb3\u7c73\u56fe\u6848\u5316\u77f3\u58a8\u70ef\u4e0a\u7684\u5916\u5ef6\u548c\u5c42\u91ca\u653e\u7684\u793a\u610f\u56fe\u3002b\uff0c\u751f\u957f\u5728GaAs\u548cGe\u886c\u5e95\u4e0a\u7684GaAs\u548cGe\u7684\u5e73\u9762SEM\u56fe\u50cf(\u5de6)\u548cEBSD\u56fe(\u53f3),\u663e\u793a\u4e86\u5e73\u9762\u5316\u7684\u5355\u6676\u8584\u819c\u3002\u6bd4\u4f8b\u5c3a\uff0c2 \u03bcm\u3002c\uff0c\u5728600 MPa\u7684Ni\u5e94\u529b\u6c34\u5e73\u548cGe\u886c\u5e95\u4e0a70%\u7684\u77f3\u58a8\u70ef\u8986\u76d6\u7387\u4e0b\uff0c\u4f5c\u4e3a\u5e94\u529b\u6e90\u539a\u5ea6\u548c\u5916\u5ef6\u5c42\u539a\u5ea6\u7684\u51fd\u6570\u7684\u4e09\u79cd\u5265\u79bb\u6a21\u5f0f\u3002\u865a\u7ebf\u8868\u793a\u6ca1\u6709\u77f3\u58a8\u70ef\u7684\u81ea\u7136\u5265\u843d\u6df1\u5ea6\u3002d\u3001\u5728600 MPa\u7684\u5e94\u529b\u6e90\u5e94\u529b\u548c1 \u03bcm\u7684\u5916\u5ef6\u5c42\u539a\u5ea6\u4e0b\u77f3\u58a8\u70ef\u8986\u76d6\u5bf9\u5265\u79bb\u6a21\u5f0f\u7684\u5f71\u54cd\u3002e\u3001\u5265\u79bb\u7684GaAs\u819c(\u5de6)\u548c\u5269\u4f59\u7684\u4e24\u82f1\u5bf8Ge\u6676\u7247(\u53f3)\u7684\u7167\u7247\u3002f\uff0cg\uff0c\u5265\u79bb\u540e\u886c\u5e95\u7684\u5e73\u9762\u56feSEM\u56fe\u50cf(f)\u548cAFM\u56fe\u50cf(g)\u3002h\uff0cGaAs\u886c\u5e95\u5728\u5265\u843d\u72b6\u6001\u4e0b\u7684\u5e73\u9762SEM\u56fe\u50cf\u3002I\uff0c\u5206\u5c42\u533a\u57df\u4e2d\u6837\u54c1\u8868\u9762\u7684\u5e73\u9762SEM\u56fe\u50cf\uff0c\u663e\u793a\u4e86Ni\/\u5916\u5ef6\u5c42\u754c\u9762(\u5de6)\u548c\u80f6\u5e26\/Ni\u754c\u9762(\u53f3)\u5904\u7684\u5206\u5c42\u00a9 2022 Spring Nature<\/p>\n

\"\"<\/p>\n

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\n <\/strong>a\uff0cb\uff0c\u76f4\u63a5\u751f\u957f\u5728Ge (a)\u548c\u7eb3\u7c73\u56fe\u6848\u5316\u77f3\u58a8\u70ef\u6d82\u8986\u7684Ge (b)\u4e0a\u7684GaAs\u7684\u6a2a\u622a\u9762STEM\u56fe\u50cf\u3002c\uff0cd\uff0c\u751f\u957f\u5728\u88f8Ge (c)\u548c\u7eb3\u7c73\u56fe\u6848\u5316\u77f3\u58a8\u70ef\u6d82\u5c42Ge (d)\u4e0a\u7684AlGaAs\u7ea2\u8272LEDs\u7684\u5e73\u9762SEM\u56fe\u50cf\u3002e\uff0c\u901a\u8fc7\u4ece\u886c\u5e95\u5265\u79bbLED\u7ed3\u6784\u5e76\u8f6c\u79fb\u5230\u805a\u9170\u4e9a\u80fa\/\u7845\u886c\u5e95\u4e0a\u800c\u5236\u9020\u7684LED\u7684\u6a2a\u622a\u9762SEM\u56fe\u50cf\u3002f\u3001\u5728\u6709\u548c\u6ca1\u6709\u7eb3\u7c73\u56fe\u6848\u5316\u77f3\u58a8\u70ef\u7684\u60c5\u51b5\u4e0b\uff0c\u5728Ge\u4e0a\u5236\u9020\u7684LEDs\u7684I-V\u66f2\u7ebf\u3002g\uff0c\u5728\u5404\u79cd\u6ce8\u5165\u7535\u6d41\u4e0b\uff0c\u6ca1\u6709(\u5de6)\u548c\u6709(\u53f3)\u7eb3\u7c73\u56fe\u6848\u5316\u77f3\u58a8\u70ef\u7684Ge\u4e0a\u7684LEDs\u7684EL\u5149\u8c31\u7684\u6bd4\u8f83\u3002h\uff0cI\uff0c\u4e0d\u540c\u5c3a\u5bf8\u548c\u51e0\u4f55\u5f62\u72b6\u7684\u7ea2\u8272\u53d1\u5149\u4e8c\u6781\u7ba1\u5728\u6d82\u6709\u7eb3\u7c73\u56fe\u6848\u7684\u77f3\u58a8\u70ef\u7684Ge (h)\u548c\u88f8Ge (i)\u4e0a\u7684EL\u663e\u5fae\u7167\u7247\u3002\u6ce8\u5165\u7535\u6d41\u4e3a3\u30013\u30015\u548c7 mA(\u4ece\u5de6\u81f3\u53f3)\u3002\u6bd4\u4f8b\u5c3a\uff0c10 \u03bcm\u00a9 2022 Spring Nature<\/p>\n

\"\"<\/p>\n

\u56fe\u4e09\u3001\u77f3\u58a8\u70ef\u7eb3\u7c73\u56fe\u6848\u51cf\u5c11\u6676\u683c\u4e0d\u5339\u914d\u5f02\u8d28\u5916\u5ef6\u7684\u7f3a\u9677
\n <\/strong>a\u2013c\u3001\u65e0\u77f3\u58a8\u70ef\u5f02\u8d28\u5916\u5ef6\u7684MD\u6a21\u62df(a),\u8584\u4e14\u67d4\u6027\u7684\u77f3\u58a8\u70ef\u63a9\u819c(b)\u548c\u539a\u4e14\u521a\u6027\u7684\u63a9\u819c(c)\u3002d\uff0c\u65e0\u63a9\u6a21\u76f4\u63a5\u751f\u957f\u5728InP\u4e0a\u7684InAs\u7684\u4f4e\u500dSTEM\u56fe\u50cf\u3002e\uff0c\u9ad8\u5206\u8fa8\u7387STEM\u56fe\u50cf(\u5de6)\u548c\u76f8\u5e94\u7684GPA\u56fe\uff0c\u663e\u793a\u5e73\u9762\u5185(\u4e2d\u95f4)\u548c\u5e73\u9762\u5916(\u53f3)\u5e94\u53d8\u3002f\uff0c\u751f\u957f\u5728\u77f3\u58a8\u70ef\u56fe\u6848\u4e0a\u7684InAs\u7684\u4f4e\u500dSTEM\u56fe\u50cf\u3002g\uff0c\u77f3\u58a8\u70ef\u8fb9\u7f18\u7684\u9ad8\u5206\u8fa8\u7387STEM\u56fe\u50cf\u548c\u76f8\u5e94\u7684GPA\u56fe\uff0c\u663e\u793a\u4e86\u77f3\u58a8\u70ef\u8f7b\u5fae\u53d8\u5f62\u7684\u5f1b\u8c6bInAs\u819c\u3002h\uff0cI\uff0c\u751f\u957f\u5728SiO2<\/sub>\u56fe\u6848\u4e0a\u7684InAs\u7684\u76f8\u540c\u6570\u636e\u7ec4\uff0c\u663e\u793a\u4e86\u754c\u9762\u548c\u63a9\u6a21\u8fb9\u7f18\u5904\u7684\u4e25\u91cd\u5e94\u53d8\u00a9 2022 Spring Nature<\/p>\n

\"\"<\/p>\n

\u56fe\u56db\u3001\u77f3\u58a8\u70ef\u8986\u76d6\u7684\u5f71\u54cd
\n <\/strong>a\u3001\u751f\u957f\u5728\u5177\u6709\u4e0d\u540c\u77f3\u58a8\u70ef\u8986\u76d6\u7387\u7684\u7eb3\u7c73\u56fe\u6848\u5316\u77f3\u58a8\u70ef\u6d82\u8986\u7684GaAs\u4e0a\u7684InAs\u7684ECCI\u56fe\u50cf\u3002\u6bd4\u4f8b\u5c3a\uff0c200 nm\u3002b\uff0c\u8868\u9762\u4f4d\u9519\u5bc6\u5ea6\u4e0e\u901a\u8fc7ECCI\u6d4b\u91cf\u7684\u77f3\u58a8\u70ef\u8986\u76d6\u5ea6\u7684\u51fd\u6570\u5173\u7cfb\u3002c\uff0c\u7528\u8986\u76d6\u8868\u9762\u76840%\u300120%\u548c40%\u7684\u4e0d\u540c\u63a9\u6a21\u5bbd\u5ea6\u5728Si(100)\u4e0a\u5f02\u8d28\u5916\u5ef6Ge\u7684MD\u6a21\u62df\uff0c\u663e\u793a\u901a\u8fc7\u589e\u52a0\u77f3\u58a8\u70ef\u8986\u76d6\u51cf\u5c11\u4e86\u7f3a\u9677\u00a9 2022 Spring Nature<\/p>\n

\u3010\u6210\u679c\u542f\u793a\u3011<\/strong><\/p>\n

\u672c\u5de5\u4f5c\u5c55\u793a\u4e86\u77f3\u58a8\u70ef\u7eb3\u7c73\u56fe\u6848\u4f5c\u4e3a\u5355\u6676\u8584\u819c\u5916\u5ef6\u7684\u901a\u7528\u5e73\u53f0\uff0c\u4e3a\u751f\u4ea7\u5404\u79cd\u9ad8\u8d28\u91cf\u5355\u6676\u819c\u63d0\u4f9b\u4e86\u4e00\u6761\u65b0\u9014\u5f84\uff0c\u514b\u670d\u4e86\u6781\u6027\u548c\u6676\u683c\u5339\u914d\u9650\u5236\uff0c\u7a81\u7834\u4e86\u5f02\u8d28\u96c6\u6210\u591a\u529f\u80fd\u7cfb\u7edf\u7684\u5173\u952e\u969c\u788d\u3002<\/p>\n

\u539f\u6587\u8be6\u60c5\uff1a<\/strong>Kim, H., Lee, S., Shin, J. et al. Graphene nanopattern as a universal epitaxy platform for single-crystal membrane production and defect reduction. Nat. Nanotechnol. (2022). https:\/\/doi.org\/10.1038\/s41565-022-01200-6<\/p>\n","protected":false},"excerpt":{"rendered":"

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