{"id":237103,"date":"2022-05-12T08:37:19","date_gmt":"2022-05-12T00:37:19","guid":{"rendered":"\/\/m.iemloyee.com\/?p=237103"},"modified":"2022-05-12T08:37:19","modified_gmt":"2022-05-12T00:37:19","slug":"%e9%92%99%e9%92%9b%e7%9f%bf%e8%86%9c%e5%86%8d%e6%ac%a1%e7%99%bb%e4%b8%8anature%ef%bc%9a%e4%bd%9c%e4%b8%ba%e4%ba%8c%e7%bb%b4%e6%99%b6%e4%bd%93%e7%ae%a1%e7%9a%84%e7%bb%9d%e7%bc%98%e4%bd%93","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=237103","title":{"rendered":"\u9499\u949b\u77ff\u819c\u518d\u6b21\u767b\u4e0aNature\uff1a\u4f5c\u4e3a\u4e8c\u7ef4\u6676\u4f53\u7ba1\u7684\u7edd\u7f18\u4f53"},"content":{"rendered":"

\u3010\u5bfc\u8bfb\u3011<\/p>\n

\u00a0\u5bf9\u4e8e\u7845 (Si) \u91d1\u5c5e\u6c27\u5316\u7269\u534a\u5bfc\u4f53\u573a\u6548\u5e94\u6676\u4f53\u7ba1 (MOSFET) \u4e2d\u7684\u4e9a10\u7eb3\u7c73\u6280\u672f\u8282\u70b9\uff0c\u4e9a\u7eb3\u7c73\u7535\u5bb9\u7b49\u6548\u539a\u5ea6(CET)\u548c\u4e0e\u6c9f\u9053\u7684\u5b8c\u7f8e\u754c\u9762\u5bf9\u4e8e\u6805\u6781\u7535\u4ecb\u8d28\u4fdd\u6301\u6805\u6781\u81f3\u5173\u91cd\u8981\u53ef\u63a7\u6027\u3002\u540c\u6837\uff0c\u4eba\u4eec\u70ed\u5207\u671f\u5f85\u5f00\u53d1\u51fa\u9002\u7528\u4e8e\u672a\u6765\u8282\u70b9\u7684\u4e8c\u7ef4(2D) MOSFET\u7684\u53ef\u9760\u9ad8\u4ecb\u7535\u5e38\u6570(\u03ba)\u6750\u6599 (CET < 1 nm)\u3002Si\u6280\u672f\u4e2d\u5e38\u7528\u7684\u9ad8\u03ba\u7535\u4ecb\u8d28\uff08\u5373\u6c27\u5316\u94dd (Al2<\/sub>O3<\/sub>) \u548c\u6c27\u5316\u94ea (HfO2<\/sub>)\uff09\u5df2\u4e0e\u4e8c\u7ef4\u8fc7\u6e21\u91d1\u5c5e\u4e8c\u786b\u5c5e\u5316\u7269\u6750\u6599\u96c6\u6210\u5728\u4e00\u8d77\u3002\u7136\u800c\uff0c\u5b83\u4eec\u7684\u65e0\u5b9a\u5f62\u6027\u8d28\u548c\u4e0d\u5b8c\u7f8e\u7684\u7535\u4ecb\u8d28\/\u8fc7\u6e21\u91d1\u5c5e\u4e8c\u786b\u5c5e\u5316\u7269\u754c\u9762\u4f7f\u5f97\u6d88\u9664\u7535\u8377\u6563\u5c04\u548c\u9677\u9631\u53d8\u5f97\u56f0\u96be\uff0c\u6b64\u5916\uff0c\u7535\u4ecb\u8d28\u6c89\u79ef\u5de5\u827a\u4f1a\u76f4\u63a5\u635f\u574f\u4e8c\u7ef4\u901a\u9053\u3002\u800c\u9499\u949b\u77ff\u9536\u949b\u6c27\u5316\u7269(SrTiO3<\/sub>) \u8868\u73b0\u51fa\u9ad8\u9759\u6001\u4ecb\u7535\u5e38\u6570\uff08\u5728\u5ba4\u6e29\u4e0b\uff0c\u03b5bulk\u2009<\/sub>\u2248\u2009300 \uff09\uff0c\u8fd9\u4f7f\u5176\u6210\u4e3a\u5728\u590d\u5408\u6c27\u5316\u7269\u5f02\u8d28\u754c\u9762\u5904\u9759\u7535\u8c03\u5236\u7845\u3001\u77f3\u58a8\u70ef\u6216\u4e8c\u7ef4\u7535\u5b50\u6c14\u7684\u6f5c\u5728\u6805\u6781\u7535\u4ecb\u8d28\u3002\u6b64\u5916\uff0c\u5408\u6210\u5355\u6676\u72ec\u7acb\u5f0f\u9499\u949b\u77ff\u6c27\u5316\u7269\u819c\u7684\u6700\u65b0\u8fdb\u5c55\u5df2\u7ecf\u5efa\u7acb\u4e86\u4e00\u6761\u53ef\u884c\u7684\u9014\u5f84\uff0c\u5c06\u8d85\u9ad8\u03ba\u7ed3\u6676SrTiO3<\/sub>\u8584\u819c\u4e0e\u4e8c\u7ef4\u534a\u5bfc\u4f53\u96c6\u6210\u4ee5\u5f62\u6210\u9ad8\u8d28\u91cf\u7684\u4ecb\u7535\/\u901a\u9053\u754c\u9762\uff0c\u4ee5\u514b\u670d\u76ee\u524d\u6805\u6781\u63a7\u5236\u7684\u9650\u5236\u3002<\/p>\n

\u3010\u6210\u679c\u63a0\u5f71\u3011<\/p>\n

\u8fd1\u65e5\uff0c\u9999\u6e2f\u5927\u5b66Lain-Jong Li\u6559\u6388\u56e2\u961f\u8054\u5408\u6fb3\u5927\u5229\u4e9a\u65b0\u5357\u5a01\u5c14\u58eb\u5927\u5b66Sean Li\u6559\u6388\u56e2\u961f\u63a2\u7d22\u53ef\u8f6c\u79fb\u7684\u8d85\u9ad8\u03ba\u5355\u6676\u9499\u949b\u77ff\u9536\u949b\u6c27\u5316\u7269\u819c\u4f5c\u4e3a\u4e8c\u7ef4\u573a\u6548\u5e94\u6676\u4f53\u7ba1\u7684\u6805\u6781\u7535\u4ecb\u8d28\u3002\u6240\u5236\u9020\u7684\u9499\u949b\u77ff\u819c\u8868\u73b0\u51fa\u7406\u60f3\u7684\u4e9a\u4e00\u7eb3\u7c73\u7ea7CET\uff0c\u5177\u6709\u4f4e\u6f0f\u7535\u6d41\uff08\u57282.5\u5146\u4f0f\/\u5398\u7c73\u65f6\u5c0f\u4e8e10-2\u2009<\/sup>\u5b89\u57f9\/\u5e73\u65b9\u5398\u7c73\uff09\u3002\u7814\u7a76\u53d1\u73b0\uff0c\u9536\u949b\u6c27\u5316\u7269\u7535\u4ecb\u8d28\u548c\u4e8c\u7ef4\u534a\u5bfc\u4f53\u4e4b\u95f4\u7684\u8303\u5fb7\u534e\u95f4\u9699\u51cf\u8f7b\u4e86\u7531\u4e8e\u4f7f\u7528\u8d85\u9ad8\u03ba\u7535\u4ecb\u8d28\u800c\u5bfc\u81f4\u7684\u4e0d\u5229\u8fb9\u7f18\u8bf1\u5bfc\u7684\u52bf\u5792\u964d\u4f4e\u6548\u5e94\u3002\u7531\u5316\u5b66\u6c14\u76f8\u6c89\u79ef\u548c\u6c27\u5316\u9536\u949b\u7535\u4ecb\u8d28\u5236\u6210\u7684\u53ef\u6269\u5c55\u4e8c\u786b\u5316\u94bc\u8584\u819c\u7684\u5178\u578b\u77ed\u6c9f\u9053\u6676\u4f53\u7ba1\u8868\u73b0\u51fa\u9661\u5ced\u7684\u4e9a\u9608\u503c\u6446\u5e45\u4f4e\u81f3\u6bcf\u5341\u500d\u9891\u7ea6 70 \u6beb\u4f0f\uff0c\u5f00\/\u5173\u7535\u6d41\u6bd4\u9ad8\u8fbe107<\/sup>\uff0c\u7b26\u5408\u6700\u65b0\u7684\u300a\u56fd\u9645\u8bbe\u5907\u548c\u7cfb\u7edf\u8def\u7ebf\u56fe\u300b\u5efa\u8bae\u7684\u4f4e\u529f\u8017\u89c4\u683c\u3002\u5177\u4f53\u7684\u6210\u679c\u4ee5\u201cHigh-\u03ba\u00a0perovskite membranes as insulators for two-dimensional transistors\u201d\u4e3a\u9898\u53d1\u5e03\u5728Nature\u3002<\/p>\n

\"\"<\/p>\n

\u3010\u6570\u636e\u6982\u51b5\u3011<\/p>\n

\u56fe 1\uff1a\u72ec\u7acb\u5f0f\u5355\u6676 SrTiO\u00a03<\/sub>\u5c42\u7684\u5236\u5907\u548c\u8868\u5f81\u3002<\/p>\n

\"\"<\/p>\n

\u56fe 2\uff1a\u5355\u6676 SrTiO\u00a03<\/sub>\u819c\u7684\u4ecb\u7535\u6027\u80fd\u3002<\/p>\n

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\u56fe 3\uff1a\u5177\u6709\u8d85\u9ad8\u03ba<\/i>\u00a0SrTiO\u00a03<\/sub>\u7535\u4ecb\u8d28\u7684\u5c40\u90e8\u80cc\u6805 MoS\u00a0<\/sub>2<\/sub>\u00a0FET \u3002<\/p>\n

\"\"<\/p>\n

\u56fe 4\uff1a\u57fa\u4e8e\u8d85\u9ad8\u03ba<\/i>\u00a0SrTiO\u00a03<\/sub>\u7535\u4ecb\u8d28\u7684\u77ed\u6c9f\u9053 MoS\u00a02<\/sub>\u00a0FET\u7684\u9759\u7535\u5b66\u3002<\/p>\n

\"\"<\/p>\n

\u3010\u6210\u679c\u542f\u793a\u3011<\/p>\n

\u7b80\u800c\u8a00\u4e4b\uff0c\u4e8c\u7ef4\u534a\u5bfc\u4f53\u7684\u6676\u4f53\u8868\u9762\u548c\u5b9a\u4e49\u660e\u786e\u7684vdW\u754c\u9762\u5c55\u793a\u4e86\u672a\u6765\u6676\u4f53\u7ba1\u6280\u672f\u7684\u6269\u5c55\u6f5c\u529b\u3002\u9499\u949b\u77ff\u819c\u7684\u5f39\u6027\u548c\u7ea4\u8584\u7279\u6027\u4e5f\u4f7f\u5f97\u4f7f\u7528MoS2<\/sub>\u4f5c\u4e3a\u6676\u4f53\u7ba1\u901a\u9053\u7684\u67d4\u6027\u548c\u900f\u660e\u7535\u5b50\u5668\u4ef6\u6210\u4e3a\u53ef\u80fd\u3002\u540c\u65f6\uff0c\u8003\u8651\u5230\u9499\u949b\u77ff\u6c27\u5316\u7269\u9886\u57df\u5df2\u7ecf\u5efa\u7acb\u7684\u7cbe\u7ec6\u63a7\u5236\u548c\u53ef\u6269\u5c55\u7684\u751f\u957f\u6280\u672f\uff0c\u5c06\u529f\u80fd\u6027\u9499\u949b\u77ff\u6c27\u5316\u7269\u819c\u4e0e2D\u6750\u6599\u81ea\u7531\u96c6\u6210\u7684\u80fd\u529b\u4e3a\u5355\u72473D\u96c6\u6210\u7684\u5c42\u538b\u7ec4\u88c5\u63d0\u4f9b\u4e86\u9014\u5f84\u3002<\/p>\n

\u53c2\u8003\u6587\u732e\uff1aHuang, JK., Wan, Y., Shi, J.\u00a0et al.<\/i>\u00a0High-\u03ba<\/i>\u00a0perovskite membranes as insulators for two-dimensional transistors.\u00a0Nature<\/i>\u00a0605,\u00a0<\/b>262\u2013267 (2022).<\/p>\n

https:\/\/doi.org\/10.1038\/s41586-022-04588-2<\/p>\n","protected":false},"excerpt":{"rendered":"

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