{"id":79476,"date":"2017-05-10T06:30:56","date_gmt":"2017-05-09T22:30:56","guid":{"rendered":"\/\/m.iemloyee.com\/?p=79476"},"modified":"2017-05-28T23:10:08","modified_gmt":"2017-05-28T15:10:08","slug":"%e4%b8%8a%e6%b5%b7%e7%a7%91%e6%8a%80%e5%a4%a7%e5%ad%a6nature-materials%ef%bc%9a%e4%b8%80%e7%a7%8d%e7%a1%ae%e8%ae%a4%e4%b8%a4%e7%a7%8d%e5%9f%ba%e4%ba%8e%e7%94%b5%e5%ad%90%e6%99%b6%e4%bd%93%e5%ad%a6","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=79476","title":{"rendered":"\u4e0a\u6d77\u79d1\u6280\u5927\u5b66Nature Materials\uff1a\u4e00\u79cd\u786e\u8ba4\u4e24\u79cd\u57fa\u4e8e\u7535\u5b50\u6676\u4f53\u5b66\u624b\u6027\u7684\u65b0\u65b9\u6cd5"},"content":{"rendered":"

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

\u795e\u5947\u7f8e\u5e7b\u7684\u81ea\u7136\u4e2d\uff0c\u7269\u4f53\u4e0e\u5176\u672c\u8eab\u65e0\u6cd5\u8ddf\u5b83\u7684\u955c\u50cf\u91cd\u5408\uff0c\u5c31\u8bf4\u6b64\u7269\u4f53\u5177\u6709\u201c\u624b\u6027\u201d\u3002\u624b\u6027\u5728\u81ea\u7136\u754c\u4e2d\u5e7f\u6cdb\u5b58\u5728\u5e76\u5e7f\u6cdb\u5e94\u7528\uff0c\u4f8b\u5982\uff1a\u4eba\u7c7b\u7684\u624b\u3001\u6d77\u87ba\u7684\u87ba\u58f3\u90fd\u5177\u6709\u660e\u663e\u7684\u624b\u6027\u7279\u5f81\u3002\u540c\u6837\u624b\u6027\u4e5f\u5b58\u5728\u4e8e\u5fae\u89c2\u4e16\u754c\u4e2d\uff0c\u8bb8\u591a\u5206\u5b50\u90fd\u5177\u6709\u624b\u6027\u7279\u5f81\uff0c\u975e\u624b\u6027\u7684\u5206\u5b50\u901a\u8fc7\u5f7c\u6b64\u95f4\u76f8\u4e92\u4f5c\u7528\u4e5f\u53ef\u4ee5\u5f62\u6210\u624b\u6027\u6392\u5217\u3002\u5728\u6676\u4f53\u5b66\u4e2d\uff0c\u624b\u6027\u7ed3\u6784\u662f\u6307\u5177\u6709\u624b\u6027\u7a7a\u95f4\u7fa4\u7684\u7ed3\u6784\uff0c\u800c\u5355\u4e2a\u6676\u4f53\u624b\u6027\u7ed3\u6784\u7684\u786e\u8ba4\u4e00\u822c\u662f\u901a\u8fc7\u5355\u6676X\u5c04\u7ebf\u884d\u5c04\u6765\u5b8c\u6210\u3002\u7531\u4e8e\u5438\u6536\u7684\u5b58\u5728\uff0cX\u5c04\u7ebf\u4e0e\u7269\u8d28\u76f8\u4e92\u4f5c\u7528\u65f6\u4f1a\u53d1\u751f\u53cd\u5e38\u6563\u5c04\uff0c\u9020\u6210\u5f17\u91cc\u5fb7\u5c14\u884d\u5c04\u5bf9(Friedel pair)\u7684\u5f3a\u5ea6\u5dee\u5f02\uff0c\u800c\u4e24\u79cd\u624b\u6027\u7ed3\u6784\u4ea7\u751f\u7684\u5f3a\u5ea6\u5dee\u5f02\u6b63\u597d\u76f8\u53cd\u3002\u5982\u4f55\u5feb\u901f\u6709\u6548\u5730\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\u4ecd\u7136\u662f\u4e00\u4e2a\u6311\u6218\u3002\u672c\u6587\u901a\u8fc7\u5f00\u53d1\u51fa\u786e\u8ba4\u4e24\u79cd\u57fa\u4e8e\u7535\u5b50\u6676\u4f53\u5b66\u7684\u624b\u6027\u7684\u65b0\u65b9\u6cd5\uff0c\u6210\u529f\u5b9e\u73b0\u4e86\u7eb3\u7c73\u5c3a\u5bf8\u6676\u4f53\u7684\u624b\u6027\u786e\u8ba4\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u4e0a\u6d77\u79d1\u6280\u5927\u5b66\u7269\u8d28\u5b66\u9662\u7279\u8058\u6559\u6388<\/strong>Peter Oleynikov\u3001<\/strong>\u7535\u955c<\/strong>\u4e2d\u5fc3\u4e3b\u4efb<\/strong>Osamu Terasaki<\/strong>\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\u548c\u52a9\u7406\u6559\u6388\u9a6c\u5ef6\u822a<\/strong>\u5728Nature Materials<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u4e3a \u201cElectron crystallography for determining the handedness of a chiral zeolite nanocrystal<\/strong>\u201d \u7684\u6587\u7ae0\u3002\u8be5\u7814\u7a76\u56e2\u961f\u5f00\u53d1\u51fa\u4e24\u79cd\u57fa\u4e8e\u7535\u5b50\u6676\u4f53\u5b66\u7684\u624b\u6027\u786e\u8ba4\u65b0\u65b9\u6cd5\uff0c\u6210\u529f\u5b9e\u73b0\u4e86\u7eb3\u7c73\u5c3a\u5bf8\u6676\u4f53\u7684\u624b\u6027\u786e\u8ba4\uff1aTEM\u4e2d\u5229\u7528\u6676\u4f53\u65cb\u8f6c\uff0c\u6cbf\u7740\u4e0d\u540c\u6676\u5e26\u8f74\u62cd\u6444\u540c\u4e00\u4e2a\u6676\u4f53\u7684\u9ad8\u5206\u8fa8\u56fe\u50cf\uff0c\u901a\u8fc7\u5bf9\u6bd4\u65cb\u8f6c\u524d\u540e\u56fe\u50cf\u7684\u53d8\u5316\uff0c\u786e\u5b9a\u6676\u4f53\u7684\u624b\u6027\u7ed3\u6784\uff1b\u5229\u7528\u65cb\u8fdb\u7535\u5b50\u884d\u5c04\uff0c\u6cbf\u7740\u7279\u5b9a\u5e26\u8f74\u6536\u53d6\u7cfb\u5217\u65cb\u8fdb\u7535\u5b50\u884d\u5c04\u82b1\u6837\uff0c\u901a\u8fc7\u6bd4\u8f83\u9ad8\u9636\u52b3\u5384\u533a\u884d\u5c04\u70b9\u5f3a\u5ea6\u7684\u5dee\u5f02\uff0c\u786e\u5b9a\u6676\u4f53\u7684\u624b\u6027\u7ed3\u6784\u3002\u6210\u529f\u5730\u7a81\u7834\u4e86\u5355\u6676X\u5c04\u7ebf\u884d\u5c04\u65b9\u6cd5\u7684\u9650\u5236\uff0c\u4e3a\u786e\u8ba4\u63d0\u4f9b\u624b\u6027\u7ed3\u6784\u63d0\u4f9b\u4e86\u65b0\u7684\u7814\u7a76\u624b\u6bb5\u548c\u6280\u672f\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4e3a\u8bbe\u8ba1\u548c\u5f00\u53d1\u65b0\u7684\u624b\u6027\u63d0\u4f9b\u91cd\u8981\u501f\u9274\u610f\u4e49\u3002<\/p>\n

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

\u56fe<\/strong>1 <\/strong>\u5177\u6709\u4e0d\u540c\u624b\u6027\u7684\u87ba\u65cb\u7684\u516d\u6298\u65cb\u8f6c\u7684\u793a\u610f\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u65cb\u8f6c\u540e\u53f3\u65cb\u87ba\u65cb\u548c\uff08b\uff09\u5de6\u65cb\u87ba\u65cb\u7684\u53d8\u5316\u4e0e\u53f3\u4fa7\u76f8\u540c\uff1b<\/p>\n

\u87ba\u65cb\u7ebf\u7531\u67f1\u5b50\u5468\u56f4\u7684\u7403\u94fe\u663e\u793a\u3002\u6bcf\u4e2a\u87ba\u65cb\u4e2d\u7684\u4e24\u4e2a\u7403\u4f53\u88ab\u6807\u8bb0\u4e3a\u77e9\u5f62\uff0c\u663e\u793a\u4e86\u65cb\u8f6c\u4e4b\u540e\u7684\u6295\u5f71\u7684\u79fb\u52a8\u3002\u5373\u53f3\u624b\u7684\u5411\u4e0b\uff0c\u5de6\u624b\u7684\u5411\u4e0a\u3002<\/p>\n

\u56fe<\/strong>2 <\/strong>\u4ece\u4e00\u7ec4<\/strong>HRTEM<\/strong>\u56fe\u50cf\u4e2d\u786e\u5b9a<\/strong>HPM-1<\/strong>\u7684\u624b\u6027<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u53f3\u65cb\u7684\u6cb8\u77f3\u7684\u6a21\u62dfHRTEM\u56fe\u50cf\uff1b<\/p>\n

\uff08b\uff09\u5de6\u65cb\u5ea6\u6cb8\u77f3\u7684\u6a21\u62dfHRTEM\u56fe\u50cf\uff1b<\/p>\n

\u84dd\u8272\u548c\u7ea2\u8272\u7684\u7403\u5206\u522b\u4ee3\u8868Si\u548cO\u539f\u5b50\u7684\u539f\u5b50\u7ed3\u6784\u6a21\u578b\u88ab\u8986\u76d6\u5728\u6a21\u62df\u56fe\u50cf\u4e4b\u4e0a\uff1b<\/p>\n

\uff08c-h\uff09\u6cbf[2\u012b\u012b 0]\u548c[1 \u012b00]\u65b9\u5411\u5206\u522b\u83b7\u53d6\u4e00\u4e2a\u6676\u4f53\u7684\u5b9e\u9a8c\u6570\u636e\uff1a\u4f4e\u500d\u7387TEM\u56fe\u50cf\uff08c\u548ce\uff09\uff1b<\/p>\n

\u00a0 SAED\u56fe\u6848\uff08d\u548cf\uff09\u548c\u6765\u81ea\u7126\u70b9\u7684\u91cd\u5efa\u7ed3\u6784\u6295\u5f71\u7684\u56fe\u50cf \u7cfb\u5217\uff08g\u548ch\uff09\uff1b<\/p>\n

\u87ba\u65cb\u8f74\uff08\u6846\u67b6\u7684c\u8f74\uff09\u7531\u767d\u8272\u7bad\u5934\uff08c\u548ce\uff09\u8868\u793a\uff1b<\/p>\n

\u5e76\u4e14\u6676\u4f53\u7684\u4e24\u4e2a\u7279\u5f81\u70b9\u7531\u4e24\u4e2a\u7bad\u5934\uff08g\u548ch\uff09\u6807\u8bb0\uff0c\u4ee5\u6307\u5b9a\u4ece[2\u012b\u012b 0]\u5230[1\u012b 00]\u5728\u87ba\u65cb\u8f74\u5468\u56f430\u5ea6\uff1b<\/p>\n

\u6a21\u62df\u56fe\u50cf\u63d2\u5165\u5230g\u548ch\u4e2d\u3002<\/p>\n

\u56fe<\/strong>3<\/strong>\u4e24\u4e2a<\/strong>HRTEM<\/strong>\u56fe\u50cf\u4e0e\u91d1\u7eb3\u7c73\u9897\u7c92\u4f5c\u4e3a\u6807\u8bb0\u7684\u6bd4\u8f83<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u6cbf\u7740 [2 \u012b\u012b0] \u5230\uff08b\uff09[1\u012b00] \u533a\u57df\u8f74\u7ebf\u6d82\u8986\u91d1\u7eb3\u7c73\u9897\u7c92\u7684\u624b\u6027\u6cb8\u77f3\u7684\u56fe\u50cf\u3002[2\u012b\u012b 0] \u901a\u8fc7\u5c06\u6676\u4f53\u5411\u53f3\u503e\u659c30\u00b0\uff08\u7528c\u8f74\u5411\u4e0a\u9006\u65f6\u9488\u65b9\u5411\uff09\u8fbe\u5230[1\u012b00]\uff1b<\/p>\n

\uff08c\uff0cd\uff09\u5206\u522b\u5728\u5085\u7acb\u53f6\u6ee4\u6ce2\u4e4b\u540e\u7684a\u548cb\u7684\u5904\u7406\u56fe\u50cf\uff0c\u5176\u4ec5\u5305\u62ec\u7279\u5b9a\u8303\u56f4\u5185\u7684\u7a7a\u95f4\u9891\u7387\u4ee5\u589e\u5f3a\u91d1\u7eb3\u7c73\u9897\u7c92\u7684\u5bf9\u6bd4\u5ea6\u3002<\/p>\n

\u56fe<\/strong>4 <\/strong>\u4f7f\u7528<\/strong>PED<\/strong>\u56fe\u6848\u7684\u624b\u6027\u6cb8\u77f3\u7684\u624b\u6027\u6d4b\u5b9a<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u6cbf [0001] \u65b9\u5411\uff08200kV\uff0c507\u53cd\u5c04\uff0ct=100nm\uff0c\u8fdb\u52a8\u89d20.1\u00b0\uff0c\u8fdb\u52a8\u6b65\u957f0.1\u00b0\uff09\u6a21\u62df\u5177\u6709\u7a7a\u95f4\u7fa4P61<\/sub>22\u7684HPM-1\u624b\u6027\u6cb8\u77f3\u7684PED\u56fe\u6848\uff1b<\/p>\n

\uff08b\uff09\u6cbf\u7740\u76f8\u540c\u65b9\u5411\u7684\u624b\u6027\u6cb8\u77f3\u7684\u5b9e\u9a8cPED\u56fe\u6848\u3002\u7531\u9ec4\u8272\u77e9\u5f62\u6807\u8bb0\u7684\u533a\u57df\u5c55\u5f00\u4ee5\u663e\u793a\u4e24\u5bf9\u53cd\u5c04\u4e4b\u95f4\u7684\u5f3a\u5ea6\u5dee\u5f02\u3002<\/p>\n

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

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\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Electron crystallography for determining the handedness of a chiral zeolite nanocrystal<\/a><\/strong>\uff08Nature Mater., 2017, DOI: 10.1038\/nmat4890\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u7eb3\u7c73\u6750\u6599\u5b66\u672f\u7ec4\u6c6a\u674e\u8d85\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406<\/strong>\u3002\u6b22\u8fce\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u7eb3\u7c73\u6750\u6599\u5b66\u672f\u4ea4\u6d41\u7fa4\uff08228686798\uff09\uff01<\/p>\n

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