{"id":173402,"date":"2019-05-01T06:30:34","date_gmt":"2019-04-30T22:30:34","guid":{"rendered":"\/\/m.iemloyee.com\/?p=173402"},"modified":"2019-04-30T17:49:06","modified_gmt":"2019-04-30T09:49:06","slug":"nano-lett-%ef%bc%9a%e9%93%9d%e9%94%97%e7%ba%b3%e7%b1%b3%e7%ba%bf%e5%9b%ba%e6%80%81%e5%8f%8d%e5%ba%94%e7%9a%84%e5%8e%9f%e4%bd%8dtem%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=173402","title":{"rendered":"Nano Lett.\uff1a\u94dd\u9517\u7eb3\u7c73\u7ebf\u56fa\u6001\u53cd\u5e94\u7684\u539f\u4f4dTEM\u5206\u6790"},"content":{"rendered":"

\u3010\u7814\u7a76\u80cc\u666f\u3011<\/strong><\/p>\n

\u5728\u7535\u5b50\u3001\u5149\u7535\u5b50\u3001\u80fd\u91cf\u8f6c\u6362\u548c\u81ea\u65cb\u7535\u5b50\u5b66\u7b49\u7814\u7a76\u9886\u57df\uff0c\u63d0\u51fa\u4e86\u8bb8\u591a\u534a\u5bfc\u4f53\u7eb3\u7c73\u7ebf\u5668\u4ef6\u3002\u4e3a\u4e86\u5c06\u8fd9\u4e9b\u534a\u5bfc\u4f53\u7eb3\u7c73\u7ebf\u7ed3\u5408\u5230\u7eb3\u7c73\u7535\u5b50\u5e94\u7528\u4e2d\uff0c\u9700\u8981\u5b9e\u73b0\u4f4e\u6b27\u59c6\u7535\u963b\u63a5\u89e6\uff0c\u4f7f\u7528Si\u4e2d\u7684\u7845\u5316\u5de5\u827a\u6216Ge\u4e2d\u7684\u9517\u5316\u5de5\u827a\uff0c\u4ee5\u6709\u6548\u5730\u4ece\u5668\u4ef6\u6ce8\u5165\u7535\u6d41\u548c\u63d0\u53d6\u7535\u6d41\u3002\u5728\u7845\u5316\u7269\u76f8\u6216\u9517\u5316\u7269\u76f8\u548c\u534a\u5bfc\u4f53\u7eb3\u7c73\u7ebf\u95f4\u5b9e\u73b0\u7535\u63a5\u89e6\uff0c\u964d\u4f4e\u6e90\u6781\/\u6f0f\u6781\u548c\u6c9f\u9053\u4e4b\u95f4\u7684\u7535\u63a5\u89e6\u7535\u963b\u3002\u7136\u800c\uff0c\u91d1\u5c5e\u548c\u534a\u5bfc\u4f53\u7eb3\u7c73\u7ebf\u4e4b\u95f4\u7684\u63a5\u89e6\u8d28\u91cf\u5927\u5927\u9650\u5236\u4e86\u8fd9\u4e9b\u5668\u4ef6\u7684\u6548\u7387\u4ee5\u53ca\u5728\u65b0\u578b\u7eb3\u7c73\u7535\u5b50\u5668\u4ef6\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n

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

\u8fd1\u671f\uff0c\u6cd5\u56fd\u683c\u52d2\u8bfa\u5e03\u5c14\u5927\u5b66<\/strong>Martien Den Hertog<\/strong>\u6559\u6388<\/strong>\u63d0\u4f9b\u4e86\u4e00\u79cd\u975e\u5e38\u6709\u5e94\u7528\u524d\u666f\u7684\u7eb3\u7c73\u7ebf\u7684\u539f\u4f4dTEM\u7814\u7a76\uff0c\u5176\u4e2d\u94dd\u91d1\u5c5e\u8fdb\u5165\u9517\u534a\u5bfc\u4f53\u7eb3\u7c73\u7ebf\u4ee5\u5f62\u6210\u6781\u5176\u7a81\u7136\u548c\u6d01\u51c0\u7684\u8f74\u5411\u91d1\u5c5e-\u534a\u5bfc\u4f53\u754c\u9762\u3002\u91c7\u7528\u4e24\u79cd\u4e0d\u540c\u7684\u5c40\u90e8\u52a0\u70ed\u65b9\u6cd5\uff0c\u7814\u7a76\u4e86\u94dd\u4e0e\u9517\u7eb3\u7c73\u7ebf\u5728TEM\u4e2d\u7684\u539f\u4f4d\u56fa\u76f8\u53cd\u5e94\u3002\u5728250-330\u2103\u4e4b\u95f4\uff0cAl\u4fb5\u5165Ge\u7eb3\u7c73\u7ebf\u7684\u53cd\u5e94\u754c\u9762\u53cd\u5e94\u901f\u7387\u53d7\u6269\u6563\u8fc7\u7a0b\u7684\u9650\u5236\u3002EDX\u8868\u5f81\u63ed\u793a\u4e86\u8f6c\u5316\u540e\u7684\u94dd\u82af\u7eb3\u7c73\u7ebf\u7684\u4e09\u7ef4\u622a\u9762\uff0c\u5206\u522b\u88ab\u4e00\u5c42\u8584\u7684\u7eafGe\uff08\u223c2 nm\uff09\u3001Al2<\/sub>O3<\/sub>\uff08\u223c3 nm\uff09\u548c\u542b\u6709Al2<\/sub>O3<\/sub> (1 nm)\u5c42\u7684Ge\u5305\u88f9\u3002Al\u6838\u5468\u56f4\u5b58\u5728\u542bGe\u7684\u58f3\uff0c\u8868\u660eGe\u901a\u8fc7\u8868\u9762\u6269\u6563\u6269\u6563\u56de\u91d1\u5c5e\u50a8\u5c42\uff0c\u901a\u8fc7EDX\u68c0\u6d4b\u53ef\u4ee5\u5f97\u5230\u8bc1\u5b9e\u3002\u5c06\u6269\u6563\u65b9\u7a0b\u62df\u5408\u5230\u52a8\u529b\u5b66\u6570\u636e\u4e2d\uff0c\u53ef\u4ee5\u63d0\u53d6\u4e24\u79cd\u4e0d\u540c\u6e29\u5ea6\u4e0b\u7684\u6269\u6563\u7cfb\u6570\uff0c\u4e0e\u6587\u732e\u4e2d\u5173\u4e8eAl\u7684\u81ea\u6269\u6563\u7684\u6269\u6563\u7cfb\u6570\u7684\u826f\u597d\u4e00\u81f4\u6027\u3002\u8be5\u6210\u679c\u8fd1\u65e5\u4ee5\u9898\u4e3a\u201cIn Situ Transmission Electron Microscopy Analysis of Aluminum\u2212Germanium Nanowire Solid-State Reaction<\/strong>\u201d\u53d1\u8868\u5728\u77e5\u540d\u671f\u520aNano Lett.<\/strong>\u4e0a\u3002<\/p>\n

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

\u56fe\u4e00\uff1a\u539f\u4f4d\u7126\u8033\u52a0\u70ed<\/strong>Ha<\/sub><\/strong>\u6216<\/strong>Hb<\/sub><\/strong>\u8fdb\u884c\u94dd\u9517\u539f\u4f4d\u4f20\u64ad\u5b9e\u9a8c<\/strong><\/p>\n

\"\"<\/p>\n

(a)\u539f\u4f4dHa\u52a0\u70ed\u7684\u6837\u54c1TEM\u56fe\u50cf<\/p>\n

(b-c)\u5728250\u2103\u548c330\u2103\u4e0b\uff0c\u539f\u4f4d\u52a0\u70edHb\u5b9e\u9a8cTEM\u56fe\u50cf\u3002<\/p>\n

(d) \u5728\u0394v=0.575 V\u65f6\uff0c\u4e24\u4e2a\u76f8\u53cd\u4f20\u64ad\u65b9\u5411\u8f6c\u6362\u6bb5\u957f\u5ea6\u4e0e\u65f6\u95f4\u7684\u5173\u7cfb<\/p>\n

(e-f) \u5728250\u00b0C\u548c330\u00b0C\uff0c\u8f6c\u6362\u6bb5\u7684\u957f\u5ea6\u968f\u65f6\u95f4\u7684\u53d8\u5316\u3002<\/p>\n

\u56fe\u4e8c\uff1a\u5229\u7528<\/strong>Ha<\/sub><\/strong>\u6280\u672f\u5e76\u6392\u4f20\u64ad\u7684\u7eb3\u7c73\u7ebf\u7684\u9ad8\u89d2\u5ea6\u73af\u5f62\u6697\u573a<\/strong>STEM<\/strong><\/p>\n

\"\"<\/p>\n

(a)\u53cd\u5e94\u5f00\u59cb\u524d\u7684\u6837\u54c1<\/p>\n

(b)\u4ea4\u6362\u53cd\u5e94\u540e\u7684\u6837\u54c1<\/p>\n

(c)\u4e24\u4e2aNWs\u9876\u90e8\u8f6c\u6362\u6bb5\u957f\u5ea6\u4e0e\u65f6\u95f4\u7684\u5173\u7cfb<\/p>\n

(d)\u5e95\u90e8\u8f6c\u6362\u6bb5\u957f\u5ea6\u4e0e\u65f6\u95f4\u7684\u5173\u7cfb<\/p>\n

\u56fe\u4e09\uff1a<\/strong> EDX<\/strong>\u5b9a\u91cf<\/strong>Ha<\/sub><\/strong>\u4e2d\u7eb3\u7c73\u7ebf\u7684\u5143\u7d20<\/strong><\/p>\n

\"\"<\/p>\n

(a)Ha<\/sub>\u52a0\u70ed\u540e\uff0cEDX\u8d85\u56fe\u663e\u793a\u4e0d\u540c\u7684\u5143\u7d20\u3002<\/p>\n

(b- c) \u5229\u7528\u5b9a\u91cf\u4e09\u7ef4\u5316\u5b66\u91cd\u5efa\u6a21\u578b\uff0c\u786e\u5b9a\u4ea4\u6362\u540e\u7684NW\u5256\u9762\uff08\u5373\u7531NW\u9ec4\u8272\u6846\u5b9a\u4e49\u7ebf\u5256\u9762\uff09<\/p>\n

(d) NW\u6a2a\u622a\u9762\u5316\u5b66\u91cd\u5efa\u7684\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe\u56db\uff1a<\/strong>EDX<\/strong>\u5206\u6790\u94dd\u5c42\u7ed3\u6784<\/strong><\/p>\n

\"\"<\/p>\n

(a)\u5728380\u2103\u4e0b\uff0c Hb<\/sub>\u52a0\u70ed\u8fdb\u884c\u76f8\u4f4d\u4f20\u64ad\u540e\uff0cSTEM\u56fe\u50cf<\/p>\n

(b) EDX\u8d85\u56fe<\/p>\n

\u56fe\u4e94\uff1a<\/strong>HAADF STEM<\/strong>\u56fe\u50cf\u53ca\u5176\u5efa\u8bae\u673a\u7406<\/strong><\/p>\n

\"\"<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u9517\u539f\u5b50\u53ef\u4ee5\u901a\u8fc7\u8868\u9762\u901a\u9053\u6269\u6563\u5230\u94dd\u50a8\u5c42\uff0c\u94dd\u539f\u5b50\u901a\u8fc7\u4f53\u79ef\u6269\u6563\u63d0\u4f9b\u7ed9\u53cd\u5e94\u754c\u9762\u3002<\/p>\n

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

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u901a\u8fc7\u76f4\u63a5\u7126\u8033\u52a0\u70edHa<\/sub>\u548c\u63a7\u5236\u6e29\u5ea6Hb<\/sub>\u52a0\u70ed\u5b9e\u9a8c\uff0c\u5bf9\u56fa\u6001\u53cd\u5e94\u8fdb\u884c\u4e86\u8be6\u7ec6\u7684\u539f\u4f4dTEM\u7814\u7a76\u3002Al\u548cGe\u6269\u6563\u884c\u4e3a\u7684\u4e0d\u5bf9\u79f0\u6027\u4f7f\u5f97\u80fd\u591f\u901a\u8fc7\u70ed\u9000\u706b\u5f62\u6210\u91d1\u5c5e\/\u534a\u5bfc\u4f53\u7eb3\u7c73\u7ebf\u5f02\u8d28\u7ed3\u6784\u3002\u94dd-\u9517\u5f02\u8d28\u7ed3\u6784\u5728250\u2103\u5f00\u59cb\u7684\u4f4e\u6e29\u4e0b\u5f62\u6210\u3002\u4f4e\u6e29\u4e0b\u7684\u52a8\u529b\u5b66\u7ed3\u679c\u8868\u660e\uff0cAl- Ge\u7eb3\u7c73\u7ebf\u7684\u4f20\u64ad\u53d7\u5230Al\u94fe\u6bb5\u7684\u81ea\u6269\u6563\u63a7\u5236\u3002\u901a\u8fc7EDX\u53ef\u4ee5\u89c2\u5bdf\u5230Ge\u901a\u8fc7\u8868\u9762\u901a\u9053\u6269\u6563\u5230Al\u5c42\u3002\u901a\u8fc7\u4e24\u79cd\u70ed\u9000\u706b\u6280\u672f\uff0cEDX\u8bc1\u5b9e\u4e86\u5355\u6676Al-\u7eb3\u7c73\u7ebf\u7684\u5f62\u6210\uff0c\u63ed\u793a\u4e86\u4e00\u79cd\u53cc\u6838\u58f3\u7ed3\u6784\uff0c\u94dd\u6838\u88ab\u4e00\u5c42\u8584\u7684Ge\u8986\u76d6\uff0c\u540c\u65f6\uff0c\u94dd\u6838\u4e5f\u88ab\u53e6\u4e00\u4e2a\u4f4eGe\u6d53\u5ea6\u533a\u57df\u7684Al2<\/sub>O3<\/sub>\u58f3\u8986\u76d6\u3002\u4e24\u79cd\u52a0\u70ed\u6280\u672f\u7684\u53cd\u5e94\u52a8\u529b\u5b66\u8868\u660e\uff0c\u901a\u8fc7Ha<\/sub>\u52a0\u70ed\u53ef\u4ee5\u83b7\u5f97\u4e0eHb<\/sub>\u5b9e\u9a8c\u4e2d\u76f8\u4f3c\u7684\u4f4e\u6e29\uff0c\u4f7f\u5f97\u4ec5\u7528\u7535\u6c14\u63a7\u5236\u6765\u5236\u9020\u77ed\u6c9f\u9053\u91d1\u5c5e\u6c27\u5316\u7269\u534a\u5bfc\u4f53\u573a\u6548\u5e94\u6676\u4f53\u7ba1\u964d\u4f4e\u523010 nm\u4ee5\u4e0b\uff0c\u4e0e\u5149\u523b\u5de5\u827a\u7684\u7a7a\u95f4\u5206\u8fa8\u7387\u65e0\u5173\u3002\u7ed3\u679c\u8868\u660e\uff0cTEM\u662f\u7406\u89e3\u548c\u63a7\u5236Al\u548cGe\u6750\u6599\u7ec4\u5408\u7684\u6709\u529b\u5de5\u5177\u548c\u4e0d\u53ef\u7f3a\u5c11\u7684\u5de5\u5177\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aIn Situ Transmission Electron Microscopy Analysis of Aluminum\u2212Germanium Nanowire Solid-State Reaction <\/a>(Nano Lett.<\/em>, 2019<\/strong>, DOI: 10.1021\/acs.nanolett.8b05171)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u91d1\u5c5e\u7ec4\u5927\u5175\u54e5\u7f16\u8bd1\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\u7bb1\uff1atougao@cailiaoren.com<\/a>\u3002<\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu<\/p>\n","protected":false},"excerpt":{"rendered":"

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