{"id":132707,"date":"2018-04-05T06:30:16","date_gmt":"2018-04-04T22:30:16","guid":{"rendered":"\/\/m.iemloyee.com\/?p=132707"},"modified":"2018-04-01T20:32:47","modified_gmt":"2018-04-01T12:32:47","slug":"sci-adv-%e4%ba%8c%e7%bb%b4%e5%b9%b3%e9%9d%a2%e9%87%8f%e5%ad%90%e9%98%b1%e8%b6%85%e6%99%b6%e6%a0%bc%e7%9a%84%e4%bd%8d%e9%94%99%e9%a9%b1%e5%8a%a8%e7%94%9f%e9%95%bf","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=132707","title":{"rendered":"Sci. Adv.: \u4e8c\u7ef4\u5e73\u9762\u91cf\u5b50\u9631\u8d85\u6676\u683c\u7684\u4f4d\u9519\u9a71\u52a8\u751f\u957f"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u8fd1\u5e74\u6765\uff0c\u4e8c\u7ef4\uff082D\uff09\u6750\u6599\u7531\u4e8e\u5176\u72ec\u7279\u7684\u6027\u80fd\u548c\u826f\u597d\u7684\u5e94\u7528\u524d\u666f\u800c\u5f15\u8d77\u4e86\u7814\u7a76\u4eba\u5458\u7684\u5e7f\u6cdb\u5173\u6ce8\uff0c\u5176\u51fa\u73b0\u5f15\u53d1\u4e86\u5bf9\u65b0\u578b\u5f02\u8d28\u7ed3\u7684\u7814\u7a76\u3002\u6700\u8fd1\u79d1\u7814\u4eba\u5458\u5df2\u7ecf\u83b7\u5f97\u9ad8\u8d28\u91cf\u7684\u4e8c\u7ef4\u591a\u91cd\u5f02\u8d28\u7ed3\u53ca\u8d85\u6676\u683c\u7b49\u529f\u80fd\u5316\u7ed3\u6784\uff0c\u7136\u800c\u53d7\u9650\u4e8e\u76ee\u524d\u7684\u5fae\u7eb3\u52a0\u5de5\u548c\u751f\u957f\u6280\u672f\uff0c\u6240\u5236\u5907\u7684\u56fe\u6848\u5316\u4eba\u5de5\u8d85\u7ed3\u6784\u5c3a\u5ea6\u4ecd\u7136\u8f83\u5927\uff0c\u6784\u7b51\u5bbd\u5ea6\u5c0f\u4e8e5\u7eb3\u7c73\u7684\u5177\u6709\u663e\u8457\u91cf\u5b50\u7279\u6027\u7684\u529f\u80fd\u5316\u4e8c\u7ef4\u8d85\u6676\u683c\u7ed3\u6784\u4ecd\u7136\u662f\u4e00\u4e2a\u6311\u6218\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u00a0<\/strong>\u8fd1\u65e5\uff0c\u4e2d\u56fd\u79d1\u5b66\u9662\u5927\u5b66\u7269\u7406\u79d1\u5b66\u5b66\u9662\u53ca\u4e2d\u56fd\u79d1\u5b66\u9662\u62d3\u6251\u91cf\u5b50\u8ba1\u7b97\u5353\u8d8a\u521b\u65b0\u4e2d\u5fc3\u7684\u5468\u6b66\u7814\u7a76\u5458\u3001\u5f20\u4f59\u6d0b\u526f\u6559\u6388\u7b49<\/strong>\u4e0e\u591a\u4e2a\u8bfe\u9898\u7ec4\u5408\u4f5c\uff0c\u5229\u7528\u4e862D\u5e73\u9762\u4fa7\u5411\u5f02\u8d28\u7ed3\u4e2d\u4e24\u79cd\u534a\u5bfc\u4f53\u6750\u6599\u4e4b\u95f4\u7684\u754c\u9762\u5931\u914d\u4f4d\u9519\u9a71\u52a8\u4e8c\u7ef4\u91cf\u5b50\u9631\u7684\u751f\u957f\uff0c\u6784\u7b51\u4e86\u534a\u5bfc\u4f53\u5355\u5c42\u5185\u9ad8\u8d28\u91cf\u7684\u5bbd\u5ea6\u5c0f\u4e8e2\u7eb3\u7c73\u7684\u91cf\u5b50\u9631\u4ee5\u53ca\u91cf\u5b50\u9631\u8d85\u6676\u683c\u3002\u540c\u65f6\u7ed3\u5408\u539f\u5b50\u5206\u8fa8\u7684\u7535\u955c\u7ed3\u6784\u8868\u5f81\u548c\u7406\u8bba\u8ba1\u7b97\uff0c\u63ed\u793a\u4e86\u6b64\u7c7b\u65b0\u578b\u4e8c\u7ef4\u91cf\u5b50\u9631\u8d85\u6676\u683c\u7684\u751f\u957f\u673a\u5236\u3002\u8be5\u7814\u7a76\u4e3a\u5236\u5907\u9ad8\u8d28\u91cf\u4e8c\u7ef4\u8d85\u6676\u683c\u7ed3\u6784\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def\u3002\u8be5\u7814\u7a76\u53d1\u8868\u4e8eScience Advances<\/strong>\uff0c\u9898\u4e3a\u201cDislocation-driven growth of two-dimensional lateral quantum-well superlattices<\/strong>\u201d<\/strong>\u3002<\/p>\n \u00a0<\/strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe<\/strong>1. <\/strong>\u5d4c\u5165\u5355\u5c42<\/strong>WSe2<\/sub><\/strong>\u6676\u683c\u5185\u7684<\/strong>WS2<\/sub><\/strong>\u91cf\u5b50\u9631\u7ed3\u6784\u548c\u5e94\u53d8\u5206\u6790<\/strong><\/p>\n \uff08A\uff09\u5bbd\u5ea6\u4e3a1.2nm\u7684WS2<\/sub>\u91cf\u5b50\u9631\u7684\u539f\u5b50\u5206\u8fa8\u7387STEM-ADF\u56fe\u50cf\u3002\u9ec4\u8272\u865a\u7ebf\u7a81\u51fa\u663e\u793a\u4e86WS2<\/sub>\u91cf\u5b50\u9631\u548cWSe2<\/sub>\u6676\u683c\u4e4b\u95f4\u7684\u5171\u683c\u754c\u9762\u3002 \u516d\u8fb9\u5f62\u5f3a\u8c03\u683c\u5b50\u7684\u65b9\u5411\u3002<\/p>\n \uff08B\u548cC\uff09\u4e0e\uff08A\uff09\u4e2d\u540c\u533a\u57df\u7684\u80fd\u8c31\u6210\u50cf\u5206\u6790\u5206\u522b\u663e\u793a\u4e86WS2<\/sub>\u548cWSe2<\/sub>\u7684\u7a7a\u95f4\u5206\u5e03\u3002<\/p>\n \uff08D\u548cE\uff09\u4e3aWS2<\/sub>\u91cf\u5b50\u9631\u7684\u9ad8\u5206\u8fa8\u7387STEM-ADF\u56fe\u50cf\u4ee5\u53ca\u76f8\u5e94\u7684\u539f\u5b50\u7ed3\u6784\u6a21\u578b\u3002<\/p>\n \uff08F\u5230H\uff09\u6574\u4e2a65 nm\u957f\u7684WS2<\/sub>\u91cf\u5b50\u9631\u7684STEM-ADF\u4ee5\u53ca\u91cf\u5b50\u9631\u5468\u56f4\u76f8\u5e94\u7684\u5e94\u53d8\u5206\u5e03\u3002<\/p>\n \uff08I\u548cJ\uff09\u4e3aSTEM-ADF\u56fe\u50cf\uff0c\u663e\u793a\u4e86\uff08F\uff09\u4e2dWS2<\/sub>\u91cf\u5b50\u9631\u9876\u7aef\u7684\u4f4d\u9519\u6838\u7684\u539f\u5b50\u6392\u5217\u548c\u76f8\u5e94\u7684\u539f\u5b50\u6a21\u578b\u3002<\/p>\n \u56fe<\/strong>2. <\/strong>\u5728<\/strong>WSe2<\/sub>\/WS2<\/sub><\/strong>\u5e73\u9762\u4fa7\u5411\u754c\u9762\u5904\u7684\u5468\u671f\u6027\u4f4d\u9519\u9635\u5217\u7684\u5f62\u6210\u548c<\/strong>WS2<\/sub><\/strong>\u91cf\u5b50\u9631\u7684\u4f4d\u9519\u9a71\u52a8\u751f\u957f<\/strong><\/p>\n \uff08A\uff09\u56fe\u663e\u793a\uff08I\uff09\u5468\u671f\u6027\u4f4d\u9519\u9635\u5217\u7684\u5f62\u6210\uff0c\uff08II\uff09WS2<\/sub>\u91cf\u5b50\u9631\u7684\u4f4d\u9519\u9a71\u52a8\u751f\u957f\uff0c\u548c\uff08III\uff09WSe2<\/sub> \/ WS2<\/sub>\u4fa7\u5411\u5f02\u8d28\u7ed3\u4e2d2D\u91cf\u5b50\u9631\u8d85\u6676\u683c\u7684\u5f62\u6210\u3002<\/p>\n \uff08B\uff09\u672a\u5f62\u6210WS2<\/sub>\u91cf\u5b50\u9631\u7684WSe2<\/sub> \/ WS2<\/sub>\u4fa7\u5411\u754c\u9762\u7684STEM-ADF\u56fe\u50cf\u3002\u5916\u5ef6\u754c\u9762\u7531\u9ec4\u8272\u865a\u7ebf\u7a81\u51fa\u663e\u793a\u3002<\/p>\n \uff08C\uff09\u76f8\u5e94\u7684\u5e94\u53d8\u5206\u5e03\uff0c\u53e0\u52a0\u5728ADF\u56fe\u50cf\u4e0a\uff0c\u663e\u793a\u5728\u5f02\u8d28\u754c\u9762\u5904\u5f62\u6210\u5468\u671f\u6027\u4f4d\u9519\u9635\u5217\u3002<\/p>\n \uff08D\uff09WSe2<\/sub> \/ WS2<\/sub>\u4fa7\u5411\u754c\u9762\u7684STEM-ADF\u56fe\u50cf\u4e0eWS2<\/sub>\u91cf\u5b50\u9631\u7684\u5f62\u6210\u3002 WS2<\/sub>\u91cf\u5b50\u9631\u663e\u793a\u4e3a\u5177\u6709\u76f8\u540c\u5bbd\u5ea6\u7684\u6697\u6761\u7eb9\u3002<\/p>\n \uff08E\uff09\u5bf9\u5e94\u7684\u5e94\u53d8\u56fe\uff0c\u53e0\u52a0\u5728ADF\u56fe\u50cf\u4e0a\uff0c\u663e\u793a\u5728\u6bcf\u4e2aWS2<\/sub>\u91cf\u5b50\u9631\u7684\u9876\u7aef\u5b58\u5728\u4f4d\u9519\u6838\u3002<\/p>\n \u56fe<\/strong>3.<\/strong> WSe2<\/sub><\/strong>\u4e2d<\/strong>WS2<\/sub><\/strong>\u91cf\u5b50\u9631\u7684\u751f\u957f\u673a\u5236<\/strong><\/p>\n \uff08A\uff09\u7531\u4e8e\u6676\u683c\u5931\u914d\u800c\u5728WS2<\/sub>\/WSe2<\/sub>\u754c\u9762\u5904\u76845|7\u4f4d\u9519\u7684\u539f\u5b50\u6a21\u578b\uff0c<\/p>\n \uff08B\uff09\u4f4d\u9519\u901a\u8fc7\u63d2\u5165W\u539f\u5b50\u548cS2<\/sub>\u5bf9\u53d1\u9001\u6500\u79fb\u8fdb\u5165WSe2<\/sub>\uff0c<\/p>\n \uff08C\uff09\u7528S\u53d6\u4ee3\u4f4d\u4e8e5|7\u4f4d\u9519\u4e94\u89d2\u5f62\u5904\u7684Se\u539f\u5b50\uff0c<\/p>\n \uff08D\uff09\u968f\u540e\u57285|7\u4f4d\u9519\u65c1\u4ee5S\u53d6\u4ee3\u4e86Se\u539f\u5b50\uff0c\u4ea7\u751f\u4e86\u4e00\u4e2a\u56db\u5355\u80de\u5bbd\u5ea6\u7684WS2<\/sub>\u7eb3\u7c73\u79cd\u6676\u3002<\/p>\n \uff08E\uff09\u4e0d\u540c\u6c34\u5e73\u7684\u538b\u7f29\u5e94\u53d8\u4e0bSSe<\/sub>\u53d6\u4ee3\u7684\u80fd\u5792\u3002<\/p>\n \uff08F\uff09\u57fa\u4e8e\uff08B\uff09\u4e2d\u539f\u5b50\u6a21\u578b\u7684\u952e\u957f\u5206\u6790\u7684\u5e94\u53d8\u56fe\u3002\u7eff\u8272\u865a\u7ebf\u8868\u793aWS2<\/sub>\/WSe2<\/sub>\u754c\u9762\u3002<\/p>\n \uff08G\uff09\u7ed3\u6784\u6a21\u578b\u663e\u793a\u5728\u91cd\u590d\u63d2\u5165-\u7f6e\u6362\u8fc7\u7a0b\u516d\u6b21\u540e\u56db\u4e2a\u5355\u80de\u5bbd\u548c\u516d\u4e2a\u5355\u80de\u957f\u7684WS2<\/sub>\u5e26\u3002<\/p>\n \u56fe<\/strong>4. <\/strong>\u751f\u957f\u5177\u6709\u539f\u5b50\u7ea7\u9510\u5229\u4fa7\u5411\u8fb9\u754c\u7684\u4e8c\u7ef4\u91cf\u5b50\u9631\u8d85\u6676\u683c\u3002<\/strong><\/p>\n \uff08A\uff09\u7528HSE06\u6cdb\u51fd\u8ba1\u7b97\u7684WSe2<\/sub> \/ WS2<\/sub>\u8d85\u6676\u683c\u7684\u539f\u5b50\u7ed3\u6784\u6a21\u578b\u548c\u80fd\u5e26\u6392\u5217\u3002\u4ef7\u5e26\u9876\uff08VBM\uff09\u548c\u5bfc\u5e26\u5e95\uff08CBM\uff09\u5206\u522b\u7528\u9ed1\u7ebf\u548c\u7ea2\u7ebf\u8868\u793a\u3002 \u9ec4\u8272\u4e3aS\uff0c\u7d2b\u8272\u4e3aSe;<\/p>\n \uff08B\uff09\u4f4e\u500d\u653e\u5927\u7684STEM-ADF\u56fe\u50cf\uff0c\u663e\u793a\u4e86MoSe2<\/sub>\u5355\u5c42\u4e2d\u6cbf\u91cf\u5b50\u9631\u8d85\u6676\u683c\u5f62\u6210\u65b9\u5411\u7684\u957f\u8fbe\u51e0\u767e\u7eb3\u7c73\u7684\u5e73\u884cMoS2<\/sub>\u91cf\u5b50\u9631\u3002<\/p>\n \u00a0<\/strong>\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u91cf\u5b50\u9631\u9635\u5217\u5728WSe2<\/sub>\/WS2<\/sub>\u548cMoSe2<\/sub>\/MoS2<\/sub>\u4fa7\u5411\u5f02\u8d28\u7ed3\u4e2d\u7684\u6210\u529f\u751f\u957f\u8868\u660e\uff0c\u8fd9\u79cd\u4f4d\u9519\u9a71\u52a8\u7684\u751f\u957f\u673a\u5236\u5e94\u8be5\u9002\u7528\u4e8e\u66f4\u5e7f\u6cdb\u76842D\u5355\u5c42\u4e0e\u6676\u683c\u5931\u914d\u7ec4\u5408\uff0c\u56e0\u4e3a\u5b83\u4eec\u7684\u7ed3\u6784\u5177\u6709\u76f8\u4f3c\u6027\u3002\u56e0\u800c\u201c\u8be5\u65b9\u6cd5\u5f88\u53ef\u80fd\u88ab\u5e7f\u6cdb\u63a8\u5e7f\u5230\u5176\u4ed6\u8fc7\u6e21\u91d1\u5c5e\u786b\u65cf\u5316\u5408\u7269\u4e2d\uff0c\u4e3a\u8c03\u63a7\u4e8c\u7ef4\u5e73\u9762\u5f02\u8d28\u7ed3\u4ece\u800c\u83b7\u53d6\u65b0\u9896\u7535\u5b50\u548c\u5149\u5b66\u7279\u6027\u63d0\u4f9b\u4e86\u65b0\u7684\u673a\u9047\u3002\u201d<\/p>\n \u6587\u732e\u94fe\u63a5\uff1a <\/strong>Dislocation-driven growth of two-dimensional lateral quantum-well superlattices <\/a>(Science Advances 2018, DOI: 10.1126\/sciadv.aap9096)<\/p>\n \u8bfe\u9898\u7ec4\u7b80\u4ecb\u8bf7\u53c2\u7167\u5468\u8001\u5e08\u4e3b\u9875\uff1ahttp:\/\/people.ucas.ac.cn\/~wuzhou<\/a><\/p>\n \u672c\u6587\u7531\u6750\u6599\u4eba\u8ba1\u7b97\u6750\u6599\u7ec4Annay\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<\/a>\u3002<\/p>\n \u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1a<\/strong>RDD-2011-CHERISH<\/strong>\uff0c\u4efb\u4e39\u4e39\uff0c\u6211\u4eec\u4f1a\u9080\u8bf7\u5404\u4f4d\u8001\u5e08\u52a0\u5165\u4e13\u5bb6\u7fa4\u3002<\/strong><\/p>\n<\/p>\n
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