{"id":139866,"date":"2018-05-23T06:40:29","date_gmt":"2018-05-22T22:40:29","guid":{"rendered":"\/\/m.iemloyee.com\/?p=139866"},"modified":"2018-05-22T21:38:07","modified_gmt":"2018-05-22T13:38:07","slug":"nano-letters%ef%bc%9a%e9%ab%98%e6%80%a7%e8%83%bd%e5%8d%95%e5%b1%82%e4%ba%8c%e7%a1%ab%e5%8c%96%e9%92%bc%e7%9f%ad%e6%b2%9f%e9%81%93%e5%9c%ba%e6%95%88%e5%ba%94%e7%ae%a1","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=139866","title":{"rendered":"Nano Letters\uff1a\u9ad8\u6027\u80fd\u5355\u5c42\u4e8c\u786b\u5316\u94bc\u77ed\u6c9f\u9053\u573a\u6548\u5e94\u7ba1"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u5177\u6709\u4e9a\u7eb3\u7c73\u539a\u5ea6\u7684\u4e8c\u7ef4\u534a\u5bfc\u4f53\u6750\u6599\u88ab\u8ba4\u4e3a\u6709\u671b\u66ff\u4ee3\u7845\uff0c\u514b\u670d\u77ed\u6c9f\u9053\u6548\u5e94\u5e76\u7ee7\u7eed\u7f29\u5c0f\u573a\u6548\u5e94\u7ba1\u3002\u5c3d\u7ba1\u5355\u5c42\u4e8c\u786b\u5316\u94bc\uff08MoS2<\/sub>\uff09\u5df2\u901a\u8fc7\u5b9e\u9a8c\u548c\u7406\u8bba\u65b9\u6cd5\u8bc1\u660e\u4e86\u5728\u4e9a10 nm\u6c9f\u9053\u957f\u5ea6\u91cf\u7ea7\u4e0a\u53ef\u4ee5\u63d0\u4f9b\u9ad8\u5f00\u5173\u6bd4\uff0c\u60f3\u5b9e\u73b0\u771f\u6b63\u9ad8\u6027\u80fd\u7684\u4e8c\u786b\u5316\u94bc\u77ed\u6c9f\u9053\u573a\u6548\u5e94\u7ba1\u8fd8\u9762\u4e34\u5f88\u591a\u6311\u6218\u3002\u9996\u5148\uff0c\u672c\u5f81\u4e8c\u786b\u5316\u94bc\u4e0e\u91d1\u5c5e\u63a5\u89e6\u7535\u963b\u5f88\u5927\uff0c\u800c\u73b0\u5728\u5e76\u6ca1\u6709\u53ef\u9760\u6613\u64cd\u4f5c\u7684\u65b9\u6cd5\u5728\u7eb3\u7c73\u5c3a\u5ea6\u4e0b\u5bf9\u4e8c\u7ef4\u6750\u6599\u8fdb\u884c\u7cbe\u51c6\u53ef\u63a7\u7684\u63ba\u6742\u3002\u5176\u6b21\uff0c\u4e8c\u786b\u5316\u94bc\u4e0e\u7845\u4e0d\u540c\uff0c\u8868\u9762\u96be\u4ee5\u751f\u957f\u9ad8\u8d28\u91cf\u8d85\u8584\u7684\u91d1\u5c5e\u6c27\u5316\u7269\u4f5c\u4e3a\u6805\u6781\u7535\u4ecb\u8d28\u5c42\u3002\u56e0\u6b64\uff0c\u5c3d\u7ba1\u4e8c\u786b\u5316\u94bc\u573a\u6548\u5e94\u7ba1\u5728\u6c9f\u9053\u8f83\u957f\u65f6\u80fd\u591f\u63d0\u4f9b\u9ad8\u5f00\u5173\u6bd4\uff08on\/off\uff09\u548c\u4f4e\u4e9a\u4e34\u754c\u6446\u5e45\uff08SS\uff09\uff0c\u5f53\u6c9f\u9053\u957f\u5ea6\u771f\u6b63\u7f29\u51cf\u81f310 nm\u91cf\u7ea7\u65f6\uff0c\u5668\u4ef6\u7684\u6027\u80fd\u4e0e\u5de5\u4e1a\u8981\u6c42\u76f8\u5dee\u8f83\u8fdc\uff0c\u4e14\u5668\u4ef6\u7684\u7ed3\u6784\u8bbe\u8ba1\u5f80\u5f80\u96be\u4ee5\u4e0e\u73b0\u6709\u7684\u52a0\u5de5\u6280\u672f\u517c\u5bb9\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u4eca\u65e5\uff0c\u6765\u81ea\u7f8e\u56fd\u54e5\u4f26\u6bd4\u4e9a\u5927\u5b66\u7684James Hone\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09\uff0c\u535a\u58eb\u540e\u7814\u7a76\u5458\u795d\u6bc5\u535a\uff08\u7b2c\u4e00\u4f5c\u8005\uff09\u4ee5\u53ca\u6765\u81ea\u5357\u4eac\u5927\u5b66\u3001\u97e9\u56fdSKKU\u3001\u7f8e\u56fdARL\u548c\u65b0\u52a0\u5761\u5357\u6d0b\u7406\u5de5\u7684\u7814\u7a76\u4eba\u5458\u5171\u540c\u62a5\u9053\u4e86\u4e00\u79cd\u7b80\u5355\u3001\u53ef\u9760\u5e76\u6709\u671b\u5b9e\u73b0\u5927\u9762\u79ef\u751f\u4ea7\u7684\u65b9\u6cd5\uff0c\u7528\u4e8e\u89e3\u51b3\u4e8c\u7ef4\u534a\u5bfc\u4f53\u6750\u6599\u7684\u9ad8\u63a5\u89e6\u7535\u963b\u548c\u4e0e\u8d85\u8584\u7535\u4ecb\u8d28\u5c42\u76f8\u7ed3\u5408\u7684\u96be\u9898\uff0c\u5e76\u5c55\u793a\u4e86\u9ad8\u6027\u80fd14 nm\u77ed\u6c9f\u9053MoS2<\/sub>\u573a\u6548\u5e94\u7ba1\u3002\u4e0e\u7ecf\u5e38\u4f7f\u7528\u7684\u9876\u6805\u573a\u6548\u5e94\u7ba1\u7ed3\u6784\u4e0d\u540c\uff0c\u6587\u7ae0\u4e2d\u6240\u62a5\u9053\u7684\u5668\u4ef6\u4f7f\u7528\u4e86\u5e95\u90e8\u6805\u6781\uff0c\u5e76\u7531\u5355\u5c42\u77f3\u58a8\u70ef\u6784\u6210\u3002\u77f3\u58a8\u70ef\u7684\u8868\u9762\u7c97\u7cd9\u5ea6\u548c\u539a\u5ea6\u5747\u5728\u539f\u5b50\u5c3a\u5ea6\u7ea7\u522b\uff0c\u56e0\u6b64\u4e0e\u5e38\u7528\u7684\u91d1\u5c5e\u7535\u6781\u4e0d\u540c\uff0c\u77f3\u58a8\u70ef\u7535\u6781\u6709\u6548\u5730\u51cf\u5c0f\u4e86\u7531\u4e8e\u7535\u6781\u8868\u9762\u7c97\u7cd9\u4e0d\u5e73\u3001\u4fa7\u58c1\u8fc7\u9ad8\u7b49\u539f\u56e0\u5f15\u8d77\u7684\u6805\u6781\u6f0f\u7535\u6d41\uff0c\u5c24\u5176\u662f\u5f53\u6805\u6781\u7535\u4ecb\u8d28\u5c42\u539a\u5ea6\u53ea\u6709\u51e0\u4e2a\u7eb3\u7c73\u65f6\u3002<\/p>\n \u7531\u6b64\u5e26\u6765\u7684\u597d\u5904\u6709\u4e24\u70b9\uff1a\u9996\u5148\uff0c\u53ef\u4ee5\u5728\u77f3\u58a8\u70ef\u6805\u6781\u4e0a\u65bd\u52a0\u9ad8\u6805\u538b\u6765\u8c03\u63a7\u8986\u76d6\u5728\u6f0f\u6e90\u7535\u6781\u4e0b\u7684MoS2<\/sub>\u7684\u63ba\u6742\u7a0b\u5ea6\u548c\u63a5\u89e6\u7535\u963b\u3002\u6587\u4e2d\u5c55\u73b0\u4e86\u5f53\u5355\u5c42MoS2<\/sub>\u63ba\u6742\u7a0b\u5ea6\u4e3a4.6 \u00d71013<\/sup>\/cm2<\/sup>\u65f6\uff0c\u5176\u4e0e\u91d1\u5c5e\u954d\u7684\u63a5\u89e6\u7535\u963b\u5c06\u81f32.3 k\u03a9\u009e\u00b5m\u3002\u800c\u5bf9\u63a5\u89e6\u7535\u963b\u7684\u6709\u6548\u8c03\u63a7\u4e5f\u4f7f\u5f97\u5668\u4ef6\u5728\u5ba4\u6e29\u4e0b\u5c55\u73b0\u51fa\u63a5\u8fd1\u70ed\u529b\u5b66\u6781\u9650\u7684SS = 64 mV\/decade\u3002\u5728\u6b64\u57fa\u7840\u4e0a\uff0c\u5f53\u6805\u6781\u7535\u4ecb\u5c42\u51cf\u81f35\u7eb3\u7c73\u539a\u65f6\uff0c50 nm\u6c9f\u9053\u957f\u5ea6\u7684\u5668\u4ef6SS = 73 mV\/decade\uff0c14 nm\u7684\u5668\u4ef6SS = 86.5 mV\/decade\uff0c\u4e14\u6ca1\u6709\u51fa\u73b0\u660e\u663e\u7684\u77ed\u6c9f\u9053\u6548\u5e94\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u8be5\u9879\u7814\u7a76\u4e2d\u6240\u7528\u7684\u6240\u6709\u6750\u6599\uff08\u77f3\u58a8\u70ef\uff0cMoS2<\/sub>\u53ca\u91d1\u5c5e\u6c27\u5316\u7269HfO2<\/sub>\uff09\u5747\u4e3a\u5316\u5b66\u6c89\u79ef\u65b9\u6cd5\u5236\u5907\uff0c\u4e14\u6750\u6599\u7684\u5904\u7406\u8f6c\u79fb\u65b9\u6cd5\u9ad8\u6548\u73af\u4fdd\uff0c\u8fd9\u5bf9\u4e8e\u5668\u4ef6\u91cf\u4ea7\u81f3\u5173\u91cd\u8981\u3002\u53e6\u5916\uff0c\u5668\u4ef6\u7684\u8bbe\u8ba1\u548c\u64cd\u4f5c\u7b80\u5355\uff0c\u4e0e\u73b0\u6709\u7684\u7845\u573a\u6548\u5e94\u7ba1\u7c7b\u4f3c\uff0c\u800c\u4e14\u4ece\u539f\u7406\u4e0a\u6765\u8bf4\u5bf9\u4e8en\u6216p\u578b\u534a\u5bfc\u4f53\u5747\u9002\u7528\uff0c\u56e0\u6b64\u5bf9\u4f7f\u7528\u5355\u5c42\u4e8c\u7ef4\u6750\u6599\u751f\u4ea7\u9ad8\u6027\u80fd\u96c6\u6210\u7535\u8def\u7684\u53ef\u884c\u6027\u63d0\u4f9b\u4e86\u91cd\u8981\u7684\u4f9d\u636e\u3002\u7814\u7a76\u6210\u679c\u4ee5Monolayer Molybdenum Disulfide Transistors with Single-Atom-Thick Gates\u4e3a\u9898\u4e8e\u8fd1\u671f\u53d1\u8868\u5728Nano Letters\u4e0a\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe\u4e00\u3001\u5668\u4ef6\u7ed3\u6784 \u548c\u663e\u5fae\u955c\u8868\u5f81<\/strong><\/p>\n \uff08a\uff09\u5668\u4ef6\u7ed3\u6784\u793a\u610f\u56fe\uff1b\uff08b\uff09MoS2<\/sub>\/HfO2<\/sub>\/Gr\u7ed3\u6784\u7684\u5149\u5b66\u663e\u5fae\u955c\u56fe\uff1b\uff08c\uff09MoS2<\/sub>\/HfO2<\/sub>\/Gr\u7ed3\u6784\u7684\u62c9\u66fc\u5149\u8c31\uff1b\uff08d\uff09\u5668\u4ef6\u7684SEM\u56fe\uff1b\uff08e\uff09\u5668\u4ef6\u7684AFM\u56fe\u3002<\/p>\n \u56fe\u4e8c\u3001<\/strong>HfO2<\/sub> <\/strong>\u7535\u5b66\u6027\u80fd\uff0c\u4ee5\u53ca<\/strong>MoS2<\/sub>-Ni<\/strong>\u63a5\u89e6\u7535\u963b\u8868\u5f81<\/strong><\/p>\n \uff08a\uff09\u51fb\u7a7f\u7535\u538b\u6d4b\u8bd5\uff1b\uff08b\uff09\u51fb\u7a7f\u7535\u573a\u4e0e\u6c27\u5316\u5c42\u539a\u5ea6\u7684\u5173\u7cfb\uff1b\uff08c\uff09-\uff08d\uff09HfO2<\/sub>\u7535\u4ecb\u5e38\u6570\u6d4b\u8bd5\uff1b\uff08e\uff09\u63a5\u89e6\u7535\u963b\u5bf9\u4e8e\u6027\u80fd\u7684\u5f71\u54cd\uff1b\uff08f\uff09\u63a5\u89e6\u7535\u963b\u968f\u6805\u6781\u7535\u538b\u7684\u53d8\u5316\u3002<\/p>\n \u56fe\u4e09\u3001\u5668\u4ef6\u7535\u5b66\u6027\u80fd\u8868\u5f81<\/strong><\/p>\n \uff08a\uff09-\uff08c\uff09\u5f53HfO2<\/sub>\u7ea6\u4e3a16 nm\u539a\u65f6\u7684\u5668\u4ef6\u8f93\u51fa\u7279\u6027\u66f2\u7ebf\uff0c\u8f6c\u79fb\u7279\u6027\u66f2\u7ebf\u548c\u4e0d\u540c\u6c9f\u9053\u957f\u5ea6\u4e0b\u7684\u573a\u6548\u5e94\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\uff1b\uff08d\uff09- \uff08f\uff09\u5f53HfO2<\/sub>\u7ea6\u4e3a8 nm\u539a\u65f6\u7684\u8f6c\u79fb\u7279\u6027\u66f2\u7ebf\u548c\u591a\u4e2a\u5668\u4ef6\u7684\u6027\u80fd\u7edf\u8ba1\u3002<\/p>\n \u56fe\u56db\u3001\u77ed\u6c9f\u9053\u5668\u4ef6\u7535\u5b66\u6027\u80fd<\/strong><\/p>\n \uff08a\uff09- \uff08b\uff0950 nm\u6c9f\u9053\u7684SEM\u56fe\u548c\u8f6c\u79fb\u7279\u6027\u66f2\u7ebf\uff1b\uff08c\uff09-\uff08d\uff0914 nm\u6c9f\u9053\u7684SEM\u56fe\u548c\u8f6c\u79fb\u7279\u6027\u66f2\u7ebf\uff1b\uff08e\uff09\u77ed\u6c9f\u9053\u5668\u4ef6\u5728\u4e0d\u540c\u6f0f\u6e90\u7535\u538b\u4e0b\u7684\u5f00\u5173\u6bd4\u3002<\/p>\n \u56fe\u4e94\u3001PEN<\/strong>\u67d4\u6027\u886c\u5e95\u4e0a\u5668\u4ef6\u7684\u7535\u5b66\u6027\u80fd<\/strong><\/p>\n \uff08a\uff09\u5668\u4ef6\u663e\u5fae\u955c\u56fe\u548c\u7167\u7247\uff1b\uff08b\uff09\u67d4\u6027\u886c\u5e95\u4e0a\u5668\u4ef6\u7684\u8f6c\u79fb\u7279\u6027\u66f2\u7ebf\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/p>\n \u6587\u7ae0\u63d0\u51fa\u4e86\u7b80\u5355\u53ef\u9760\u7684\u65b9\u6cd5\u5b9e\u73b0\u9ad8\u6027\u80fd\u77ed\u6c9f\u9053\u5355\u5c42MoS2<\/sub>\u573a\u6548\u5e94\u7ba1\u3002\u5b9e\u73b0\u4e86\u8d85\u8584\u91d1\u5c5e\u6c27\u5316\u5c42\u4e0e\u5355\u5c42\u4e8c\u7ef4\u534a\u5bfc\u4f53\u7684\u7ed3\u5408\uff0c\u589e\u5f3a\u4e86\u6805\u6781\u5bf9\u6c9f\u9053\u548c\u63a5\u89e6\u7535\u963b\u7684\u8c03\u63a7\u3002\u8fd9\u4e00\u65b9\u6cd5\u4e0d\u4ec5\u80fd\u591f\u7528\u4e8e\u7535\u5b50\u5668\u4ef6\u7814\u7a76\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u7814\u7a76\u6750\u6599\u5728\u9ad8\u63ba\u6742\u548c\u9ad8\u7535\u573a\u4e0b\u7684\u7269\u7406\u7279\u6027\u3002\u53e6\u5916\uff0c\u77f3\u58a8\u70ef\u7684\u900f\u660e\u6027\u8d28\u4e5f\u5bf9\u4e8e\u7814\u7a76\u5668\u4ef6\u7684\u5149\u5b66\u6027\u80fd\u63d0\u4f9b\u4e86\u65b9\u4fbf\u3002<\/p>\n \u6587\u732e\u94fe\u63a5\uff1aMonolayer Molybdenum Disulfide Transistors with Single-Atom-Thick Gates, (Nano Letters, 2018, DOI: 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