{"id":191529,"date":"2019-12-09T06:30:59","date_gmt":"2019-12-08T22:30:59","guid":{"rendered":"\/\/m.iemloyee.com\/?p=191529"},"modified":"2019-12-08T16:22:01","modified_gmt":"2019-12-08T08:22:01","slug":"adv-mater-%e4%ba%8c%e7%bb%b4%e8%8c%83%e5%be%b7%e5%8d%8e%e5%bc%82%e8%b4%a8%e7%bb%93%e6%9e%84%e7%9a%84%e6%96%b0%e6%9c%ba%e9%81%87%ef%bc%9a%e5%88%b6%e4%bd%9c%e9%99%a1%e5%9d%a1%e6%99%b6%e4%bd%93","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=191529","title":{"rendered":"Adv. Mater.:\u4e8c\u7ef4\u8303\u5fb7\u534e\u5f02\u8d28\u7ed3\u6784\u7684\u65b0\u673a\u9047\uff1a\u5236\u4f5c\u9661\u5761\u6676\u4f53\u7ba1"},"content":{"rendered":"

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

\u8fd1\u5e74\u6765\uff0c\u91d1\u5c5e\u51b7\u6e90\uff08CS\uff09\u88ab\u8ba4\u4e3a\u662f\u5b9e\u73b0\u9661\u5761\u573a\u6548\u5e94\u6676\u4f53\u7ba1\uff08FET\uff09\u7684\u6709\u6548\u9014\u5f84\u3002\u9664\u4e86\u9009\u62e9\u5177\u6709\u6240\u9700\u6001\u5bc6\u5ea6-\u80fd\u91cf\u5173\u7cfb\uff08D(E)\uff09\u7684\u6e90\u6750\u6599\u5916\uff0c\u8bbe\u8ba1\u6805\u53ef\u8c03\u6c9f\u9053\u52bf\u5792\u7684\u6e90-\u6c9f\u9053\u754c\u9762\u5bf9CS-FET\u81f3\u5173\u91cd\u8981\u3002\u7136\u800c\uff0c\u7531\u4e8e\u4e0d\u53ef\u907f\u514d\u7684\u5316\u5b66\u65e0\u5e8f\u548c\u7f3a\u9677\u8bf1\u5bfc\u7684\u5e26\u9699\u6001\uff0c\u4f20\u7edf\u7684\u91d1\u5c5e\uff1a\u534a\u5bfc\u4f53\uff08MS\uff09\u754c\u9762\u901a\u5e38\u906d\u53d7\u5f3a\u8d39\u7c73\u5c14\u9489\u624e\uff0c\u4ece\u800c\u9650\u5236\u4e86\u6805\u7684\u53ef\u8c03\u63a7\u6027<\/p>\n

\u3010\u7814\u7a76\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u6e05\u534e\u5927\u5b66\u7cbe\u5bc6\u4eea\u5668\u7cfb\u674e\u9ec4\u9f99\u526f\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09\u53ca\u5176\u535a\u58eb\u540e\u5415\u5a1f\uff08\u7b2c\u4e00\u4f5c\u8005\uff09\u5728<\/strong>Adv. Mater.<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u76ee\u4e3a\u201cA New Opportunity for 2D van der Waals Heterostructures: Making Steep-Slope Transistors\u201d\u7684\u7814\u7a76\u6210\u679c\u3002\u8be5\u7814\u7a76\u901a\u8fc7\u5728\u539f\u5b50\u5c3a\u5ea6\u4e0a\u5bf9\u6750\u6599\u548c\u5668\u4ef6\u8fdb\u884c\u7efc\u5408\u5efa\u6a21\uff0c\u53d1\u73b0\u4e8c\u7ef4van der Waals\uff08vdW\uff09MS\u754c\u9762\u4ee5\u5176\u539f\u5b50\u7ea7\u7684\u9510\u5ea6\u548c\u975e\u5316\u5b66\u952e\u63a5\u89e6\u53ef\u4ee5\u4f5c\u4e3aCS-FET\u7684\u4e00\u822c\u6210\u5206\u3002\u4f5c\u4e3a\u6d4b\u8bd5\u6848\u4f8b\uff0c\u7814\u7a76\u4e86\u57fa\u4e8eInSe\u7684n\u578b\u573a\u6548\u5e94\u6676\u4f53\u7ba1\u3002\u7814\u7a76\u53d1\u73b0\uff0c\u77f3\u58a8\u70ef\u53ef\u4ee5\u901a\u8fc7\u4e0eInSe\u7684\u754c\u9762\u4f5c\u7528\uff0c\u5728Dirac\u70b9\u9644\u8fd1\u51fa\u73b0\u81ea\u53d1\u7684p\u578b\u63ba\u6742\u548c\u5fae\u5f00\u7684\u5e26\u9699\uff0c\u5bfc\u81f4\u70ed\u8f7d\u6d41\u5b50\u5bc6\u5ea6\u968fn\u578b\u6c9f\u9053\u52bf\u5792\u7684\u589e\u52a0\u5448\u6307\u6570\u8870\u51cf\u3002\u6b64\u5916\uff0cD(E)\u5173\u7cfb\u8868\u660e\uff0c2D\u8fc7\u6e21\u91d1\u5c5e\u4e8c\u786b\u5316\u7269\u548c2D\u8fc7\u6e21\u91d1\u5c5e\u78b3\u5316\u7269\u662f\u4e30\u5bcc\u7684CS\u6750\u6599\u5e93\u3002\u77f3\u58a8\u70ef\u3001Cd3<\/sub>C2<\/sub>\u3001T-VTe2<\/sub>\u3001H-VTe2<\/sub>\u548cH-TaTe2<\/sub> CSs\u5bfc\u81f4\u4f4e\u4e8e60 mV dec-1<\/sup>\u7684\u9608\u4e0b\u6446\u52a8\u3002\u8fd9\u9879\u5de5\u4f5c\u62d3\u5bbd\u4e862D-vdW-MS\u5f02\u8d28\u7ed3\u6784\u7684\u5e94\u7528\u6f5c\u529b\uff0c\u4e3a\u8fdb\u4e00\u6b65\u7814\u7a76\u57fa\u4e8e2D\u6750\u6599\u7684\u4f4e\u529f\u8017\u7535\u5b50\u5668\u4ef6\u63d0\u4f9b\u4e86\u652f\u6301\u3002<\/p>\n

\u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u56fe1 <\/strong>\u77f3\u58a8\u70efCS-FET<\/strong>\u6a21\u578b<\/strong><\/p>\n

\"\"<\/p>\n

a\uff09n\u578bInSe\u57fa\u77f3\u58a8\u70efCS-FET\u7684\u4fa7\u89c6\u56fe\u3002\u7b49\u6548\u6c27\u5316\u7269\u539a\u5ea6\uff08EOT\uff1d0.54 nm\uff09\u3001\u6805\u6781\u957f\u5ea6\uff08L\uff1d7.8 nm\uff09\u548c\u7535\u6e90\u7535\u538b\uff08VSD\uff1d0.74 V\uff09\u6839\u636e2021\u56fd\u9645\u534a\u5bfc\u4f53\u6280\u672f\u8def\u7ebf\u56fe\uff08ITRS\uff09\u5bf9\u9ad8\u6027\u80fd\u6676\u4f53\u7ba1\u8fdb\u884c\u53c2\u6570\u5316\uff1b<\/p>\n

b\uff09InSe\u7684\u80fd\u5e26\u7ed3\u6784\uff1a\u77f3\u58a8\u70ef\u5f02\u8d28\u7ed3\u3002\u77f3\u58a8\u70ef\u548cInSe\u7684\u7535\u5b50\u6001\u5206\u522b\u7528\u7ea2\u8272\u548c\u9ed1\u8272\u66f2\u7ebf\u8868\u793a\u3002\u8d39\u7c73\u80fd\u91cf\u8bbe\u4e3a\u96f6\u3002\u63d2\u56fe\u663e\u793a\u4e86\u677e\u5f1b\u7684\u539f\u5b50\u7ed3\u6784\uff0c\u9ec4\u8272\u3001\u7c89\u8272\u548c\u7070\u8272\u7684\u7403\u5206\u522b\u4ee3\u8868In\u3001Se\u548cC\u539f\u5b50\uff1b<\/p>\n

c\uff09\u6709\u6216\u65e0\u77f3\u58a8\u70ef\u6e90\u7684InSe\u57fa\u573a\u6548\u5e94\u6676\u4f53\u7ba1\u7684\u4f20\u8f93\u7279\u6027\u3002<\/p>\n

\u56fe2 <\/strong>\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\uff08DOS<\/strong>\uff09<\/strong><\/p>\n

\"\"<\/p>\n

a-b) DOS\u6cbf\u4f20\u8f93\u65b9\u5411\u6295\u5c04\u5230\u77f3\u58a8\u70efCS-FET\u4e0a\uff0c\u7528\u4e8ea\uff09\u5f00\u6001\u548cb\uff09\u5173\u6001\u5668\u4ef6\uff1b<\/p>\n

c\uff09\u901a\u65ad\u72b6\u6001\u4e0b\u7684\u4f20\u8f93\u9891\u8c31\uff1b<\/p>\n

d\uff09\u6295\u5c04\u5230\u77f3\u58a8\u70ef\u6e90\u7684\u539f\u5b50\u5242\u91cf\uff0c\u6c9f\u9053\u4e2d\u7684InSe\u548c\u6f0f\u6781\u4e2d\u7684InSe\uff0c\u7528\u4e8e\u5f00\u5173\u72b6\u6001\u5668\u4ef6\uff1b<\/p>\n

e\uff09\u653e\u5927\u80fd\u91cf\u533a\u7684DOS\uff08e\uff09\u548cn\uff08e\uff09\uff0c\u5728\u8be5\u533a\u57df\u9644\u8fd1\u51fa\u73b0SS=51 mV dec-1\u7684\u6700\u9661\u659c\u7387\u3002<\/p>\n

\u56fe3 DOS<\/strong>\u548c\u8f7d\u6d41\u5b50\u5206\u5e03\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

a\uff09Zn3<\/sub>C2<\/sub>\uff0cb\uff09Hg3<\/sub>C2<\/sub>\uff0cc\uff09Cd3<\/sub>C2<\/sub>\uff0cd\uff09T-VTe2<\/sub>\uff0cE\uff09H-VTe2<\/sub>\u548cf\uff09H-TaTe2\u7684DOS\uff08E\uff09\u548cn\uff08E\uff09\u5173\u7cfb\u3002<\/p>\n

\u56fe4 InSe\/T-VTe2<\/sub><\/strong>\u5f02\u8d28\u7ed3\u80fd\u5e26\u7ed3\u6784\u548c\u4f20\u8f93\u7279\u6027\u66f2\u7ebf<\/strong><\/p>\n

\"\"<\/p>\n

a\uff09InSe\/T-VTe2<\/sub>\u5f02\u8d28\u7ed3\u7684\u80fd\u5e26\u7ed3\u6784\u3002\u7531\u5355\u5c42InSe\u548cT-VTe2<\/sub>\u8d21\u732e\u7684\u7535\u5b50\u6001\u5206\u522b\u7528\u9ed1\u7ebf\u548c\u7070\u7ebf\u6807\u8bb0\u3002\u63d2\u56fe\u663e\u793a\u4e86\u677e\u5f1b\u7684\u539f\u5b50\u7ed3\u6784\uff0c\u7eff\u8272\u548c\u6a59\u8272\u7684\u7403\u5206\u522b\u4ee3\u8868V\u539f\u5b50\u548cTe\u539f\u5b50\uff1b<\/p>\n

b\uff09\u5e26\u548c\u4e0d\u5e26T-VTe2<\/sub>\u6e90\u7684CS-FET\u7684\u4f20\u8f93\u7279\u6027\u3002<\/p>\n

\u56fe5 <\/strong>\u5668\u4ef6\u5de5\u4f5c\u72b6\u6001\u4e0b\u80fd\u5e26\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

a-b\uff09T-VTe2<\/sub> CS-FET\u7684PLDOS\uff0ca\uff09\u5f00\u72b6\u6001\u548cb\uff09\u5173\u72b6\u6001\uff1b<\/p>\n

c\uff09\u901a\u65ad\u72b6\u6001\u4e0b\u4f20\u8f93\u9891\u8c31\u7684\u6bd4\u8f83\uff1b<\/p>\n

d\uff09\u5206\u522b\u4ee5T-VTe2<\/sub>\u4e3a\u6e90\uff0cInSe\u4e3a\u6c9f\u9053\uff0cInSe\u4e3a\u6c9f\u9053\uff0cInSe\u4e3a\u6c9f\u9053\uff1b<\/p>\n

e\uff09\u653e\u5927\u80fd\u91cf\u533a\u7684DOS\uff08e\uff09\u548cn\uff08e\uff09\uff0c\u5728\u8be5\u533a\u57df\u9644\u8fd1\uff0cSS=57 mV dec-1<\/sup>\u7684\u6700\u9661\u659c\u7387\u51fa\u73b0\u3002<\/p>\n

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

\u672c\u6587\u7814\u7a76\u4e86\u4e8c\u7ef4vdW-MS\u5f02\u8d28\u7ed3\u5728\u8d85\u9661\u4e9a\u9608\u503c\u6446\u5e45CS-FET\u4e2d\u7684\u5e94\u7528\u6f5c\u529b\u3002\u6839\u636eDOS\uff08E\uff09\u5173\u7cfb\u548c\u5404\u79cd\u4e8c\u7ef4\u91d1\u5c5e\u6750\u6599\uff08\u5982\u77f3\u58a8\u70ef\u3001\u6240\u9009TMDs\u548cMXenes\uff09\u5c42\u95f4\u76f8\u4e92\u4f5c\u7528\u7684\u975e\u5316\u5b66\u6027\u8d28\uff0c\u4f5c\u8005\u9884\u671f\u4e86\u5927\u91cf\u7684\u4e8c\u7ef4vdW\u6750\u6599\u53ef\u4ee5\u7528\u4f5c\u6240\u9700\u7684CS\u6750\u6599\u3002\u4f5c\u4e3a\u6d4b\u8bd5\u6848\u4f8b\uff0c\u7814\u7a76\u8005\u7814\u7a76\u4e86\u5177\u6709\u539f\u59cb\u77f3\u58a8\u70ef\u3001\u63ba\u6742\u77f3\u58a8\u70ef\u3001Cd3<\/sub>C2<\/sub>\u3001T-VTe2<\/sub>\u3001H-VTe2<\/sub>\u548cH-TaTe2<\/sub> CSs\u7684\u9ad8\u8fc1\u79fb\u7387\u5355\u5c42InSe\u57fan\u578b\u573a\u6548\u5e94\u6676\u4f53\u7ba1\u3002\u8fd9\u4e9bFET\u663e\u793a\u4f4e\u4e8e60 mV dec-1<\/sup>\u7684\u4f4eSS\u503c\u3002\u70ed\u5c3e\u6548\u5e94\u5bf9\u5173\u65ad\u7535\u6d41\u7684\u6291\u5236\u4e3b\u8981\u5f52\u56e0\u4e8e\u6805\u6781\u53ef\u8c03\u8c10\u6c9f\u9053\u52bf\u5792\u4ee5\u53can\uff08E\uff09\u7684\u8d85\u6307\u6570\u4e0b\u964d\u3002\u9661\u5761\u3001\u4f4e\u5173\u65ad\u7535\u6d41\u548c\u5927\u7535\u6d41CS-FET\u7684DOS\u5de5\u7a0b\uff0c\u4ee5\u53ca\u63a2\u7d22\u5b9e\u73b0CS-FET\u91d1\u5c5e-\u534a\u5bfc\u4f53\u5f02\u8d28\u7ed3\u591a\u6676\u96c6\u6210\u7684\u6750\u6599\u53ef\u80fd\u662f\u672a\u6765\u7684\u5173\u952e\u7814\u7a76\u673a\u4f1a\u3002\u8fd9\u9879\u5de5\u4f5c\u4e3a\u57fa\u4e8e\u4e8c\u7ef4\u6750\u6599\u7684\u4f4e\u529f\u8017\u7535\u5b50\u5668\u4ef6\u63d0\u4f9b\u4e86\u65b0\u7684\u673a\u9047\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>A New Opportunity for 2D van der Waals Heterostructures: Making Steep-Slope Transistors<\/a>, 2019, Adv. Mater. DOI: 10.1002\/adma.201906000.<\/p>\n

\u6e05\u534e\u5927\u5b66\u7cbe\u5bc6\u4eea\u5668\u7cfb\u674e\u9ec4\u9f99\u526f\u6559\u6388\u56e2\u961f\u81f4\u529b\u4e8e\u4f4e\u529f\u8017\u3001\u9ad8\u901f\u5ea6\u3001\u65b0\u67b6\u6784\u82af\u7247\u7684\u5143\u5668\u4ef6\u548c\u6750\u6599\u7814\u7a76\uff0c\u8fd1\u5e74\u6765\u5728\u795e\u7ecf\u5f62\u6001\u5668\u4ef6\uff08Truly Concomitant and Independently Expressed Short\u2010 and Long\u2010Term Plasticity in a Bi2<\/sub>O2<\/sub>Se\u2010Based Three\u2010Terminal Memristor, Adv. Mater. 2019, 31, 1805769)<\/span>\u548c\u8d85\u9661\u4e9a\u9608\u503c\u6446\u5e45\u6676\u4f53\u7ba1(A New Opportunity for 2D van der Waals Heterostructures: Making Steep-Slope Transistors, Adv. Mater. 2019,1906000<\/span>)\u65b9\u9762\u53d6\u5f97\u91cd\u8981\u7684\u9636\u6bb5\u6027\u7a81\u7834\u3002\u8bfe\u9898\u7ec4\u5e38\u5e74\u62db\u8058\u5b9e\u9a8c\uff08\u795e\u7ecf\u5f62\u6001\u5fae\u7eb3\u7535\u5b50\u5668\u4ef6\u3001\u57fa\u4e8e\u4e8c\u7ef4\u6750\u6599\u7684\u7535\u5b50\u5668\u4ef6\u3001\u975e\u6613\u5931\u5b58\u50a8\u5668\u7b49\uff09\u548c\u7406\u8bba\uff08\u4f7f\u7528ATK, CASTEP, VASP\u7b49\u5bf9\u7535\u5b50\u5668\u4ef6\u548c\u7535\u5b50\u6750\u6599\u8fdb\u884c\u7814\u7a76\uff09\u65b9\u5411\u7684\u4f18\u79c0\u535a\u58eb\u540e\u548c\u53c2\u4e0e\u7814\u7a76\u8bad\u7ec3\u7684\u672c\u79d1\u751f\uff0c\u4ee5\u53ca\u5b9e\u9a8c\u65b9\u5411\u7684\u535a\u58eb\u751f\u3001\u8054\u57f9\u751f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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