{"id":170910,"date":"2019-03-30T06:35:43","date_gmt":"2019-03-29T22:35:43","guid":{"rendered":"\/\/m.iemloyee.com\/?p=170910"},"modified":"2019-03-29T22:48:48","modified_gmt":"2019-03-29T14:48:48","slug":"%e3%80%90%e5%9b%bd%e5%a4%96%e7%a8%bf%e4%bb%b6%e3%80%91%e4%bb%a5%e8%89%b2%e5%88%97%e7%90%86%e5%b7%a5%e5%ad%a6%e9%99%a2afm%ef%bc%9a%e4%ba%8c%e7%bb%b4%e5%9c%ba%e6%95%88%e5%ba%94%e6%99%b6%e4%bd%93","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=170910","title":{"rendered":"\u4ee5\u8272\u5217\u7406\u5de5\u5b66\u9662AFM\uff1a\u4e8c\u7ef4\u573a\u6548\u5e94\u6676\u4f53\u7ba1\u4ecb\u7535\u6750\u6599\u7684\u7406\u8bba\u7814\u7a76"},"content":{"rendered":"

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

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

\u8fd1\u65e5\uff0c\u4ee5\u8272\u5217\u7406\u5de5\u5b66\u9662Maytal Caspary Toroker\u6559\u6388\u56e2\u961f<\/strong>\u901a\u8fc7\u5c06\u7b2c\u4e00\u539f\u7406DFT\u8ba1\u7b97\u4e0e\u6ce2\u5305\u4f20\u64ad\u76f8\u7ed3\u5408\uff0c\u6a21\u62df\u4e86\u901a\u8fc7\u51e0\u79cd\u57fa\u4e8eMoS2<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684\u754c\u9762\u7535\u5b50\u4f20\u8f93\u3002\u51e0\u79cd\u4e8c\u7ef4\u7535\u4ecb\u8d28\u5982\u5355\u5c42SiC\u3001hBN\u548cBeO\u5177\u6709\u826f\u597d\u7684\u6027\u80fd\u548c\u4e0eMoS2<\/sub>\u517c\u5bb9\u7684\u8702\u7a9d\u7ed3\u6784\u53ef\u7528\u4e8e\u6784\u5efa\u5f02\u8d28\u7ed3\u6784\u3002\u968f\u540e\u4f7f\u7528DFT\u8ba1\u7b97\u8fd9\u4e9b\u5f02\u8d28\u7ed3\u6784\u7684\u57fa\u6001\u539f\u5b50\u548c\u7535\u5b50\u6027\u8d28\u3002\u786e\u5b9a\u754c\u9762\u7684\u539f\u5b50\u7ed3\u6784\uff0c\u5e76\u901a\u8fc7\u7814\u7a76\u754c\u9762\u5f62\u6210\u80fd\u91cf\u548c\u754c\u9762\u5904\u5e94\u529b\/\u5e94\u53d8\u7684\u5b58\u5728\u6765\u8bc4\u4f30\u5b83\u4eec\u7684\u7a33\u5b9a\u6027\u3002\u7ed3\u679c\u8868\u660e\uff0c\u6240\u9009\u62e9\u7684\u6240\u6709\u4e09\u79cd\u6750\u6599\u90fd\u662f\u826f\u597d\u7684\u4ecb\u7535\u6750\u6599\uff0c\u4f46SiC\u6027\u80fd\u6700\u5dee\uff0c\u5355\u5c42BeO\u5177\u6709\u6700\u4f73\u7684\u7edd\u7f18\u6027\u80fd\uff0chBN\u53ef\u4ee5\u963b\u6b62\u6700\u591a\u7684\u754c\u9762\u5904\u7684\u7535\u8377\u6cc4\u6f0f\u3002\u6700\u540e\uff0c\u901a\u8fc7\u5c06DFT\u8ba1\u7b97\u7684\u754c\u9762\u7535\u4f4d\u7ed3\u5408\u5230\u65f6\u95f4\u4f9d\u8d56\u7684\u859b\u5b9a\u8c14\u65b9\u7a0b\uff08TDSE\uff09\u4e2d\u6765\u6a21\u62df\u754c\u9762\u5904\u7535\u5b50\u7684\u52a8\u529b\u5b66\uff0c\u7136\u540e\u901a\u8fc7\u4f7f\u7528\u5206\u88c2\u7b97\u5b50\u7b97\u6cd5\u6c42\u89e3\u8be5\u65b9\u7a0b\u3002\u8fd9\u4e9b\u4e0d\u540c\u7684\u6280\u672f\u53ef\u7528\u4e8e\u8bc6\u522b\u6700\u6709\u524d\u666f\u7684\u57fa\u4e8eMoS2<\/sub>\u5668\u4ef6\u7684\u7edd\u7f18\u7535\u4ecb\u8d28\u3002\u8be5\u6210\u679c\u8fd1\u65e5\u4ee5\u9898\u4e3a\u201cTheoretical Investigation of Dielectric Materials for Two-Dimensional Field-Effect Transistors<\/strong>\u201d\u53d1\u8868\u5728\u77e5\u540d\u671f\u520aAdv. Funct. Mater.<\/strong>\u4e0a\u3002<\/p>\n

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

\u56fe\u4e00\uff1a\u5404\u754c\u9762\u7a33\u5b9a\u7684\u6df7\u5408\u7ed3\u6784<\/strong><\/p>\n

\u9996\u5148\u4f5c\u8005\u7814\u7a76\u4e86SiC\/MoS2<\/sub>\u3001BeO\/MoS2<\/sub>\u548chBN\/MoS2<\/sub>\u754c\u9762\u7684\u7ed3\u6784\u6392\u5217\u3002
\n \"\"
\n \u7531\u5de6\u81f3\u53f3\u4f9d\u6b21\u4e3aSiC\/MoS2<\/sub>\u3001BeO\/MoS2<\/sub>\u3001hBN\/MoS2<\/sub>\u754c\u9762\u7ed3\u6784\u677e\u5f1b\u5355\u5143\u7684\u4fef\u89c6\u56fe\u3002\u5e95\u90e8\u7531\u5de6\u81f3\u53f3\u4e3aSiC\/MoS2<\/sub>\u3001BeO\/MoS2<\/sub>\u3001hBN\/MoS2<\/sub>\u754c\u9762\u677e\u5f1b\u7ed3\u6784\u5355\u5143\u5355\u5143\u56fe\u3002<\/p>\n

\u56fe\u4e8c\uff1a\u754c\u9762\u5316\u5b66\u952e\u4f5c\u7528\u4e0b\u7684\u7535\u8377\u8f6c\u79fb<\/strong><\/p>\n

\u5efa\u7acb\u4e86\u754c\u9762\u7684\u539f\u5b50\u7ed3\u6784\uff0c\u4f5c\u8005\u7814\u7a76\u4e86\u754c\u9762\u5316\u5b66\u952e\u4f5c\u7528\u4e0b\u7684\u7535\u8377\u8f6c\u79fb\u3002\u754c\u9762\u5904\u7684\u7535\u8377\u5bc6\u5ea6\u5dee\u662f\u901a\u8fc7\u4ece\u754c\u9762\u7684\u603b\u7535\u8377\u5bc6\u5ea6\u4e2d\u51cf\u53bb\u6bcf\u79cd\u9694\u79bb\u6750\u6599\uff08\u771f\u7a7a\u4e2d\u7684\u6bcf\u4e2a\u5355\u5c42\uff09\u7684\u7535\u8377\u5bc6\u5ea6\u6765\u8ba1\u7b97\u7684\u3002
\n \"\"
\n \u9876\u90e8\uff0cBeO\u548cMoS2<\/sub>\u7684\u539f\u59cb\u5355\u5c42\u4e0e\u5b83\u4eec\u7684\u754c\u9762\u4e4b\u95f4\u7684\u7535\u8377\u5bc6\u5ea6\u5dee\u03c1diff<\/sub>\u7684\u4e09\u7ef4\u793a\u610f\u56fe\uff0c\u5176\u4e2d\u7535\u8377\u7d2f\u79ef\u4e3a\u7eff\u8272\uff0c\u7535\u8377\u8017\u5c3d\u4e3a\u7ea2\u8272\u3002<\/p>\n

\u56fe\u4e09\uff1a\u7535\u5b50\u7ed3\u6784\u548c\u5e26\u504f\u79fb<\/strong><\/p>\n

\u901a\u8fc7\u6bd4\u8f83\u9694\u79bb\u6750\u6599\u4e0e\u754c\u9762\u6750\u6599\u7684\u80fd\u5e26\u56fe\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u8bc6\u522b\u5e26\u7ed3\u6784\u7684\u53d8\u5316\u3002\u5728\u754c\u9762\u5904\u7684\u5e26\u7684\u79fb\u52a8\u53ef\u4ee5\u4e0e\u4e24\u4e2a\u754c\u9762\u6750\u6599\u7684\u7535\u5b50\u6001\u6742\u5316\u6709\u5173\u3002\u7535\u8377\u8f7d\u4f53\u5728\u754c\u9762\u5904\u7684\u884c\u4e3a\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53d6\u51b3\u4e8e\u754c\u9762\u6750\u6599\u7684\u80fd\u5e26\u7684\u6392\u5217\uff0c\u4ece\u800c\u53d6\u51b3\u4e8e\u5e26\u504f\u79fb\u3002\u754c\u9762\u53ef\u4ee5\u5206\u4e3a\u4e09\u79cd\u7c7b\u578b\uff1a\u8de8\u8d8a\u95f4\u9699\uff08\u79f0\u4e3aI\u578b\uff09\uff0c\u4ea4\u9519\u95f4\u9699\uff08II\u578b\uff09\u548c\u65ad\u88c2\u95f4\u9699\uff08III\u578b\uff09\u3002
\n \"\"
\n \u8ba1\u7b97\u4e0d\u540c\u5f02\u8d28\u7ed3\u6784\u53ca\u5176\u9694\u79bb\u7ec4\u5206\u6750\u6599\u6cbf\u9ad8\u5bf9\u79f0\u65b9\u5411\u7684\u80fd\u5e26\u3002\u80fd\u91cf\u4ee5eV\u8868\u793a\uff0c\u5e76\u4e0e\u7ed3\u6784\u7684\u4ef7\u5e26\u6700\u5927\u503c\u6709\u5173\u3002\u4ece\u5de6\u81f3\u53f3\u4f9d\u6b21\u4e3a\u7edd\u7f18\u4ecb\u8d28\u6750\u6599\u7684\u80fd\u5e26\u7ed3\u6784\u3001\u4e0eMoS2<\/sub>\u5355\u5c42\u754c\u9762\u7684\u80fd\u5e26\u7ed3\u6784\u4ee5\u53ca\u5355\u5c42\u7684\u80fd\u5e26\u7ed3\u6784\u3002\u6bcf\u4e2a\u754c\u9762\u7684\u6761\u5e26\u6839\u636e\u5360\u636e\u5b83\u4eec\u7684\u72b6\u6001\u7684\u767e\u5206\u6bd4\u8fdb\u884c\u7740\u8272\uff0c\u5176\u4e2d100% MoS2<\/sub>\u5360\u7d2b\u8272\uff0c100% SiC (hBN\uff0c BeO)\u5360\u68d5\u8272(\u7eff\u8272\uff0c\u7ea2\u8272)\uff0c\u7531\u5f69\u6761\u8868\u793a\u3002<\/p>\n

\u56fe\u56db\uff1a\u96a7\u9053\u52bf\u5792<\/strong><\/p>\n

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\n \"\"
\n \u7531Vesta\u751f\u6210\u7684SiC\/MoS2<\/sub>\u754c\u9762\u7ed3\u6784\u7684\u6676\u80de\u7684\u9876\u90e8\u4fa7\u89c6\u56fe\u3002\u7ea2\u8272\u7bad\u5934\u8868\u793a\u754c\u9762\uff08d\uff09\u5904\u7684\u7269\u7406\u5206\u79bb\u3002\u4e0b\u56fe\uff0c\u6cbf\u5782\u76f4\u4e8eSiC\/MoS2<\/sub>\u754c\u9762\u7684\u65b9\u5411\u7684\u4e00\u7ef4\u6709\u6548\u7535\u4f4d\u56fe\u3002<\/p>\n

\u56fe\u4e94\uff1aSiC\/MoS2\u754c\u9762\u7684\u4e00\u7ef4\u6709\u6548\u7535\u4f4d<\/strong><\/p>\n

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\n \"\"
\n \u5de6\u56fe\uff0c\u6cbf\u5782\u76f4\u4e8eSiC\/MoS2<\/sub>\u754c\u9762\u7684\u65b9\u5411\u7684\u4e00\u7ef4\u6709\u6548\u7535\u4f4d\u56fe\u7531\u9ed1\u7ebf\u8868\u793a\u3002 \u7535\u5b50\u6ce2\u5305\u7684\u521d\u59cb\u80fd\u91cf\u7531\u7eff\u7ebf\u548c\u7ea2\u7ebf\u8868\u793a\u3002\u53f3\u56fe\uff0c\u54c8\u5bc6\u987f\u91cf\uff08\u7eff\u677e\u77f3\uff09\u7684\u672c\u5f81\u51fd\u6570\u6cbf\u7740\u5782\u76f4\u4e8eSiC\/MoS2<\/sub>\u754c\u9762\u7684\u65b9\u5411\u7ed8\u5236\u5728\u4e00\u7ef4\u6709\u6548\u7535\u4f4d\uff08\u9ed1\u8272\uff09\u65c1\u8fb9\u3002<\/p>\n

\u56fe\u516d\uff1a\u6ce2\u5305\u52a8\u529b\u5b66<\/strong><\/p>\n

\u4ee5\u6bcf\u4e2a\u754c\u9762\u4e2d\u7684MoS2<\/sub>\u5355\u5c42\u7684Mo\u539f\u5b50\u4e3a\u4e2d\u5fc3\u7684\u9ad8\u65af\u6ce2\u5305\u5411\u7edd\u7f18\u4f53\u4f20\u64ad\u3002\u901a\u8fc7\u5c06\u6ce2\u5305\u8de8\u8d8a\u5230\u6709\u6548\u54c8\u5bc6\u987f\u91cf\u7684\u672c\u5f81\u51fd\u6570\u4e0a\u5e76\u8ba1\u7b97\u6ce2\u5305\u6982\u7387\u4e0e\u672c\u5f81\u51fd\u6570\u7684\u91cd\u53e0\u7684\u5e73\u65b9\u6765\u8ba1\u7b97\u6ce2\u5305\u5360\u7528\u7279\u5b9a\u6ce2\u51fd\u6570\u7684\u6982\u7387\u3002\u5728\u7ed9\u5b9a\u7684\u6ce2\u5305\u52a8\u6001\u6a21\u62df\u4e2d\uff0c\u7535\u5b50\u901a\u8fc7\u81ea\u7531\u6a21\u5f0f\u754c\u9762\u4f20\u8f93\uff0c\u800cMoS2<\/sub>\u5c42\u4e2d\u7684\u6df1\u6838\u5fc3\u6c34\u5e73\u59cb\u7ec8\u9ad8\u5ea6\u5360\u636e\uff0c\u7edd\u7f18\u5b50\u7684\u6df1\u6001\u5360\u636e\u7684\u4f4d\u7f6e\u975e\u5e38\u5c0f\u3002
\n \"\"
\n \u84dd\u8272\u4e3aBeO\/MoS2<\/sub>\u754c\u9762\u4e2d\u4eceMoS2<\/sub>\u5355\u5c42\u5411BeO\u5355\u5c42\u4f20\u64ad\u7684\u7535\u5b50\u52a8\u529b\u5b66\uff0c\u5728\u6bcf\u4e2a\u65f6\u95f4\u6b65\u957f\u4e0a\uff0c\u663e\u793a\u7edd\u5bf9\u503c\u7684\u5e73\u65b9\u548c\u6ce2\u5305\u7684\u5b9e\u90e8(\u5206\u522b\u4e3a\u4e0a\u4e0b)\u3002<\/p>\n

\u56fe\u4e03\uff1a\u4f20\u8f93\u6982\u7387\uff08\u0394Q<\/em>\uff09<\/strong><\/p>\n

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\u6587\u732e\u94fe\u63a5\uff1aTheoretical Investigation of Dielectric Materials for Two-Dimensional Field-Effect Transistors<\/a> (Adv. Funct. Mater.<\/em>\uff0c 2019<\/strong>\uff0c 1808544)<\/p>\n

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