{"id":119930,"date":"2018-01-08T06:30:27","date_gmt":"2018-01-07T22:30:27","guid":{"rendered":"\/\/m.iemloyee.com\/?p=119930"},"modified":"2018-01-05T21:35:09","modified_gmt":"2018-01-05T13:35:09","slug":"%e5%8c%97%e5%a4%a7%e6%96%b9%e5%93%b2%e5%ae%87%e8%af%be%e9%a2%98%e7%bb%84nano-lett-%ef%bc%9a%e5%9c%a8%e4%ba%9a%e7%ba%b3%e7%b1%b3%e5%b0%ba%e5%ba%a6%e5%ae%9e%e7%8e%b0%e5%af%b9%e7%ad%89%e7%a6%bb%e6%bf%80","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=119930","title":{"rendered":"\u5317\u5927\u65b9\u54f2\u5b87\u8bfe\u9898\u7ec4Nano Lett.\uff1a\u5728\u4e9a\u7eb3\u7c73\u5c3a\u5ea6\u5b9e\u73b0\u5bf9\u7b49\u79bb\u6fc0\u5143\u624b\u6027\u9634\u6781\u8367\u5149\u7684\u6fc0\u53d1\u53ca\u8c03\u63a7"},"content":{"rendered":"

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

\u81ea\u7136\u754c\u4e2d\uff0c\u624b\u6027\u7ed3\u6784\u901a\u5e38\u5177\u6709\u5fae\u5f31\u7684\u65cb\u5149\u54cd\u5e94\uff1b\u800c\u5f97\u76ca\u4e8e\u5c40\u57df\u8868\u9762\u7b49\u79bb\u6fc0\u5143\uff08LSP\uff09\u5171\u632f\uff0c\u7b49\u79bb\u6fc0\u5143\u624b\u6027\u7eb3\u7c73\u7ed3\u6784\u548c\u8d85\u6750\u6599\u53ef\u4ee5\u83b7\u5f97\u8f83\u5f3a\u7684\u624b\u6027\u5149\u5b66\u54cd\u5e94\u3002\u5728\u7535\u5b50\u675f\u6fc0\u53d1\u4e0b\uff0c\u91d1\u5c5e\u7eb3\u7c73\u7ed3\u6784\u540c\u6837\u53ef\u4ee5\u4ea7\u751fLSP\uff0c\u4e14\u4ea7\u751f\u9634\u6781\u8367\u5149 (CL) \u4e0e\u7535\u5b50\u675f\u6fc0\u53d1\u4f4d\u7f6e\u6709\u5173\u3002\u5706\u504f\u632f\u5149\u5bf9\u73b0\u4ee3\u7269\u7406\u7814\u7a76\u81f3\u5173\u91cd\u8981\uff0c\u8868\u9762\u7b49\u79bb\u6fc0\u5143\u7684CL\u5df2\u7ecf\u88ab\u8bc1\u5b9e\u53ef\u4ee5\u5305\u542b\u65cb\u6027\u4fe1\u606f\u3002\u7136\u800c\uff0c\u5728\u91cf\u5b50\u901a\u4fe1\u3001\u624b\u6027\u5206\u5b50\u63a2\u6d4b\u7b49\u5f53\u4ee3\u7269\u7406\u524d\u6cbf\u9886\u57df\uff0c\u9ad8\u5ea6\u96c6\u6210\u7684\u7eb3\u7c73\u5149\u5b66\u5668\u4ef6\u9700\u8981\u66f4\u8fdb\u4e00\u6b65\u5bf9\u5149\u7684\u65cb\u6027\u8fdb\u884c\u4e9a\u7eb3\u7c73\u5c3a\u5ea6\u7684\u8c03\u63a7\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u5317\u4eac\u5927\u5b66\u65b9\u54f2\u5b87\u8bfe\u9898\u7ec4<\/strong>\u5728Nano Lett.<\/strong>\u53d1\u8868\u4e86\u9898\u4e3a\u201cReveal and Control of Chiral Cathodoluminescence at Subnanoscale\u201d<\/strong>\u7684\u7814\u7a76\u8bba\u6587\uff0c\u62a5\u9053\u4e86\u624b\u6027CL\u8c03\u63a7\u7684\u6700\u65b0\u7814\u7a76\u6210\u679c\u3002\u7814\u7a76\u56e2\u961f\u5728SEM-CL\u63a2\u6d4b\u5e73\u53f0\u4e0a\uff0c\u901a\u8fc7\u7535\u5b50\u675f\u6fc0\u53d1\u5355\u4e00\u7684\u4e03\u805a\u4f53\u91d1\u7eb3\u7c73\u7ed3\u6784\u5b9e\u73b0\u4e86\u53ef\u8c03\u63a7\u7684CL\u53d1\u5c04\u3002\u540c\u65f6\u53d1\u73b0\u51fa\u5c04CL\u7684\u65cb\u6027\u5bf9\u7535\u5b50-\u91d1\u5c5e\u76f8\u4e92\u4f5c\u7528\u4f4d\u7f6e\u5341\u5206\u654f\u611f\uff0c\u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u7535\u5b50\u675f\u4e9a\u7eb3\u7c73\u5c3a\u5ea6\u7684\u79fb\u52a8\u5b9e\u73b0\u5bf9CL\u65cb\u6027\u7684\u8c03\u63a7\u3002\u8fdb\u800c\u901a\u8fc7\u8bbe\u8ba1\u7535\u5b50\u675f\u7684\u626b\u63cf\u8def\u5f84\uff0c\u5229\u7528\u8be5\u6280\u672f\u624b\u6bb5\u5728\u7eb3\u7c73\u5c3a\u5ea6\u5b9e\u73b0\u4e86\u4e09\u8fdb\u5236\u7f16\u7801\u8f93\u51fa\u3002<\/p>\n

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

\u56fe<\/strong>1 <\/strong>\u5b9e\u9a8c\u8bbe\u8ba1<\/strong><\/p>\n

\"\"<\/p>\n

(a)\u7535\u5b50\u6fc0\u53d1\u4e03\u805a\u4f53\u7eb3\u7c73\u7ed3\u6784\u7684\u793a\u610f\u56fe\uff1b<\/p>\n

(b)\u5706\u504f\u632fCL\u63a2\u6d4b\u5149\u8def\uff1b<\/p>\n

(c)\u4e03\u805a\u4f53\u7684SEM\u8868\u5f81\u3002<\/p>\n

\u56fe<\/strong>2 CL mapping\u6210\u50cf\u53caCL\u8c31\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a)\u5de6\uff1a\u5728695 nm\u7684\u957f\u901a\u6ee4\u5149\u7247\u6ee4\u5149\u4e0b\uff0c\u4e03\u805a\u4f53\u7eb3\u7c73\u7ed3\u6784\u7684CL mapping\u56fe\u50cf\uff0c\u53f3\uff1a\u4e03\u805a\u4f53\u7684\u5c40\u90e8SEM\u8868\u5f81\uff0c\u5206\u522b\u6807\u793a3\u4e2a\u63a2\u6d4b\u4f4d\u7f6e\uff1b<\/p>\n

(b)3\u4e2a\u63a2\u6d4b\u4f4d\u7f6e\u7684CL\u8c31\uff1b<\/p>\n

(c-e)3\u4e2a\u63a2\u6d4b\u4f4d\u7f6e\u7684\u5706\u504f\u632fCL\u8c31(690~890nm)\u53caCL \u624b\u6027(CL chirality\uff0c\u67f1\u72b6\u56fe)\u3002<\/p>\n

\u56fe<\/strong>3 \u65f6\u57df\u6709\u9650\u5dee\u5206\u6cd5(FDTD)<\/strong>\u7406\u8bba\u6a21\u62df<\/strong><\/p>\n

\"\"<\/p>\n

(a-c)\u5bf9\u5e94\u56fe2\u4e2d\u4e09\u4e2a\u6fc0\u53d1\u4f4d\u7f6e\u7684\u5706\u504f\u632fCL\u8c31\u53caCL\u624b\u6027\u6a21\u62df\uff1b<\/p>\n

(d-i)\u5728\u5706\u504f\u632fCL\u8c31\u5cf0\u503c\u5904\u7684x-y\u5e73\u9762\u4e0a\u6240\u5bf9\u5e94\u7684\u8868\u9762\u7535\u8377\u5206\u5e03\u56fe<\/p>\n

(d-f)\u548c\u7535\u573a\u5206\u5e03\u56fe(g-i)\uff1b\u5706\u5708\u793a\u610f\u5728x-y\u5e73\u9762\u4e0a\u6a21\u62df\u7684\u7535\u5b50\u6fc0\u53d1\u4f4d\u7f6e\u3002<\/p>\n

\u56fe<\/strong>4 \u4e9a\u7eb3\u7c73\u5c3a\u5ea6\u7684\u4e09\u8fdb\u5236\u5e8f\u5217<\/strong><\/p>\n

\"\"<\/p>\n

(a)\u7531\u6536\u96c6\u5230\u7684LCP\u51cf\u53bbRCP-CL\u5f3a\u5ea6\u503c\u5f97\u5230\u7684\u0394CL mapping\u56fe\u50cf\uff1b<\/p>\n

(b)\u6cbf\u626b\u63cf\u8def\u5f84\u03b1 (\u5982\u56fe(a)\u6240\u793a) \u7684\u0394CL-\u4f4d\u7f6e\u5173\u7cfb\uff0c\u5bf9\u5e94(-1\uff0c0\uff0c1)\u4e09\u8fdb\u5236\u5e8f\u5217\uff1b\u63d2\u56fe\u793a\u610f\u5728\u5708\u51fa\u4f4d\u7f6e\u5904\u5b9e\u73b0CL\u65cb\u6027\u8f6c\u6362\uff1b\u4ece-1\u52300\uff0c\u53ca0 \u52301\u7684\u8f6c\u6362\uff0c\u7535\u5b50\u675f\u79fb\u52a8\u8ddd\u79bb\u90fd\u4e3a1.86 nm\uff1b<\/p>\n

(c)\u6cbf\u626b\u63cf\u8def\u5f84\u03b2\u3001\u03b3\u7684\u0394CL-\u4f4d\u7f6e\u5173\u7cfb\uff0c\u5206\u522b\u5bf9\u5e94(1\uff0c0\uff0c1)\u53ca(-1\uff0c0\uff0c-1)\u4e09\u8fdb\u5236\u5e8f\u5217\u3002<\/p>\n

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

\u672c\u6587\u5229\u7528\u7535\u5b50\u675f\u6fc0\u53d1\u91d1\u5c5e\u624b\u6027\u4e03\u805a\u4f53\u7ed3\u6784\uff0c\u5728SEM-CL\u63a2\u6d4b\u5e73\u53f0\u4e0a\u5b9e\u73b0\u4e86\u4e9a\u7eb3\u7c73\u5c3a\u5ea6\u7684\u624b\u6027CL\u6fc0\u53d1\u548c\u8c03\u63a7\u3002 CL\u65cb\u6027\u7684\u8f6c\u6362\u53ef\u4ee5\u57281.86nm \u7684\u7535\u5b50\u675f\u79fb\u52a8\u8ddd\u79bb\u4e0b\u5b9e\u73b0\u3002\u540c\u65f6\uff0c\u8fd9\u79cd\u5728\u4e9a\u7eb3\u7c73\u5c3a\u5ea6\u5bf9\u624b\u6027\u5149\u5b66\u54cd\u5e94\u8c03\u63a7\u7684\u65b9\u6cd5\u53ef\u4ee5\u666e\u904d\u5e94\u7528\u4e8e\u5176\u4ed6\u7ed3\u6784\u8bbe\u8ba1\u4e0a\uff0c\u5e76\u8fdb\u4e00\u6b65\u5730\u4fc3\u8fdb\u91cf\u5b50\u5149\u5b66\u3001\u751f\u7269\u5316\u5b66\u3001\u751f\u547d\u79d1\u5b66\u7b49\u73b0\u4ee3\u4ea4\u53c9\u5b66\u79d1\uff0c\u4ee5\u53ca\u4fe1\u606f\u5b58\u50a8\u548c\u5904\u7406\u9886\u57df\u7684\u53d1\u5c55\u3002<\/p>\n

\u3010\u901a\u8baf\u4f5c\u8005\u7b80\u4ecb\u3011<\/span><\/strong><\/p>\n

\u65b9\u54f2\u5b87<\/strong>\uff0c\u5317\u4eac\u5927\u5b66\u7269\u7406\u5b66\u9662\u767e\u4eba\u8ba1\u5212\u7814\u7a76\u5458\uff0c\u5168\u56fd\u4f18\u535a\uff0c\u57fa\u91d1\u59d4\u4f18\u9752\uff0c\u56fd\u5bb6\u4e07\u4eba\u8ba1\u5212\u9752\u5e74\u62d4\u5c16\u4eba\u624d\uff0c\u4e3b\u6301\u79d1\u6280\u90e8973\u8bfe\u9898\u3002\u4e3b\u8981\u7814\u7a76\u65b0\u578b\u5fae\u7eb3\u5149\u5b50\u5b66\u5668\u4ef6\u539f\u7406\u3001\u6750\u6599\u53ca\u529f\u80fd\u96c6\u6210\uff0c\u5728\u7b49\u79bb\u6fc0\u5143\u7eb3\u7c73\u5c3a\u5ea6\u5149\u5b66\u805a\u7126\u3001\u6ce2\u5bfc\u3001\u5149\u7535\u63a2\u6d4b\u65b9\u9762\u53d6\u5f97\u7cfb\u5217\u4ee3\u8868\u6027\u6210\u679c\u3002 \u8fd15\u5e74\u5728Chem. Rev., Nano Lett., Adv. Mater. Acs Nano, Nat. Comm., Science Advances\u7b49\u9ad8\u6c34\u5e73\u56fd\u9645\u5b66\u672f\u671f\u520a\u4e0a\u53d1\u8868SCI\u8bba\u658780\u4f59\u7bc7\uff0cSCI\u4ed6\u5f153000\u4f59\u6b21\uff0c10\u7bc7\u8bba\u6587\u5165\u9009ESI\u9ad8\u88ab\u5f15(<1%)\u3002\u76f8\u5173\u5de5\u4f5c\u591a\u6b21\u88abScience\u3001Nature\u5b50\u520a\u7b49\u9876\u7ea7\u671f\u520a\u4eae\u70b9\u63a8\u8350\u548c\u62a5\u5bfc\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5: <\/strong>Reveal and Control of Chiral Cathodoluminescence at Subnanoscale<\/a>\u00a0(Nano Lett., 2017\uff0cDOI. 10.1021\/acs.nanolett.7b04705)<\/p>\n

\u611f\u8c22\u8bba\u6587\u5171\u540c\u7b2c\u4e00\u4f5c\u8005\u97e9\u5929\u6d0b\u535a\u58eb\u5bf9\u672c\u6587\u7684\u4fee\u6b63\uff01<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u7eb3\u7c73\u5b66\u672f\u7ec4Roay\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n

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\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

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