{"id":171344,"date":"2019-04-07T06:58:35","date_gmt":"2019-04-06T22:58:35","guid":{"rendered":"\/\/m.iemloyee.com\/?p=171344"},"modified":"2019-04-06T17:59:00","modified_gmt":"2019-04-06T09:59:00","slug":"%e9%83%ad%e4%b8%87%e6%9e%97%e5%9b%a2%e9%98%9fnat-nanotechnol-%ef%bc%9a%e6%8e%a2%e6%b5%8b%e4%ba%8c%e7%bb%b4%e5%bc%82%e8%b4%a8%e7%bb%93%e4%b8%ad%e7%9a%84%e8%8c%83%e5%be%b7%e5%8d%8e%e7%9b%b8%e4%ba%92","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=171344","title":{"rendered":"\u90ed\u4e07\u6797\u56e2\u961fNat. Nanotechnol.\uff1a\u63a2\u6d4b\u4e8c\u7ef4\u5f02\u8d28\u7ed3\u4e2d\u7684\u8303\u5fb7\u534e\u76f8\u4e92\u4f5c\u7528"},"content":{"rendered":"

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

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

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

\u56fe\u4e00\uff1a\u77f3\u58a8\u5305\u8986AFM\u63a2\u9488\u7814\u7a76\u4e8c\u7ef4\u5f02\u8d28\u7ed3\u6784\u4e2d\u7684\u8303\u5fb7\u534e\u76f8\u4e92\u4f5c\u7528<\/strong><\/p>\n

\u4f5c\u8005\u9009\u53d6\u77f3\u58a8\u3001\u516d\u65b9BN\u548cMoS2\u7b49\u4e09\u79cd\u5178\u578b\u5177\u6709\u8f83\u5927\u5dee\u5f02\u7535\u5b66\u6027\u8d28\u76842D\u6750\u6599\uff0c\u4ee5\u63a2\u6d4b\u5f02\u8d28\u754c\u9762\u5904\u7684vdW\u76f8\u4e92\u4f5c\u7528\u3002\u4e3a\u7b80\u660e\u8d77\u89c1\uff0c\u4e3b\u8981\u5173\u6ce8\u77f3\u58a8-BN\u548c\u77f3\u58a8-MoS2\u754c\u9762\u3002
\n \"\"
\n \uff08a\uff09\u77f3\u58a8(i)\u3001BN(ii)\u548cMoS2(iii\uff0civ)\u7684\u6676\u683c\u5e38\u6570\u548c\u8868\u9762\u539f\u5b50\uff0c\u5176\u4e2dMoS2\u7684\u9876\u5c42\u548c\u5e95\u5c42\u786b\u539f\u5b50\u5206\u522b\u7528\u84dd\u8272\u548c\u9ec4\u8272\u8868\u793a\uff1b
\n \uff08b\uff09\u7a33\u5b9a\u5305\u88f9\u8584\u5c42\u77f3\u58a8\u7247\u7684AFM\u63a2\u9488\u4e0eBN-MoS2\/\u77f3\u58a8\u57fa\u5e95\u5b9e\u9a8c\u63a5\u89e6\u793a\u610f\u56fe\uff1b
\n \uff08c\uff09\u5206\u522b\u5728BN\u3001MoS2\u548c\u77f3\u58a8\u4e0a\u6d4b\u5f97\u7684\u5178\u578b\u529b-\u8ddd\u79bb\u66f2\u7ebf\u3002\u63d2\u56fe\uff0c\u4e34\u754c\u7c98\u9644\u529b\u7684\u653e\u5927\u89c6\u56fe\uff1b
\n \uff08d\uff09\u6d4b\u91cf100\u6b21\u7684\u77f3\u58a8-\u77f3\u58a8\u4e34\u754c\u7c98\u9644\u529b\uff08PG\/G<\/sub>\uff09\u7684\u76f4\u65b9\u56fe\u5206\u5e03\u3002\u9ed1\u7ebf\u662f\u9ad8\u65af\u62df\u5408\uff0c\u91c7\u6837\u95f4\u9694\u4e3a\u0394x= 0.25nN\uff1b
\n \uff08e\uff09\u77f3\u58a8-BN\uff08PBN\/G<\/sub>\uff09\u548c\u77f3\u58a8-MoS2\uff08PMoS2\/G<\/sub>\uff09\u4e2d\u6d4b\u5f97\u7684\u4e34\u754c\u7c98\u9644\u529b\u4e0e\u77f3\u58a8-\u77f3\u58a8\uff08PG\/G<\/sub>\uff09\u4e2d\u7684\u4e34\u754c\u7c98\u9644\u529b\u4e4b\u6bd4\u7684\u76f4\u65b9\u56fe\u5206\u5e03\u3002<\/p>\n

\u56fe\u4e8c\uff1aBN-\u77f3\u58a8-MoS2\u7684\u63a5\u89e6\u5206\u79bb\u7ade\u4e89\u6d4b\u8bd5<\/strong><\/p>\n

\u5728AFM\u6d4b\u91cf\u4e2d\uff0c\u77f3\u58a8\u5c16\u7aef\u4e0e\u57fa\u5e95\u4e4b\u95f4\u7684\u76f8\u5bf9\u6676\u4f53\u53d6\u5411\u662f\u968f\u673a\u7684\u3002\u4e3a\u4e86\u7814\u7a76\u7ed3\u679c\u662f\u5426\u4f9d\u8d56\u4e8e\u5806\u53e0\u65b9\u5411\uff0c\u5229\u7528\u5fae\u5c3a\u5ea6\u63a5\u89e6\u5206\u88c2\u7ade\u4e89\u7b56\u7565\u6765\u5b9a\u6027\u6bd4\u8f83\u5b83\u4eec\u7684\u5c42\u95f4\u76f8\u4e92\u4f5c\u7528\u3002
\n \"\"
\n \uff08a\uff09\u63a5\u89e6\u5206\u79bb\u7ade\u4e89\u6d4b\u8bd5\u7684\u793a\u610f\u56fe\uff1b
\n \uff08b\uff09\u4e0d\u540c\u5806\u53e0\u53d6\u5411\u7684BN-\u77f3\u58a8-MoS2\u5c42\u7684\u7ed3\u679c\u7684\u5149\u5b66\u56fe\u50cf\u3002\u6bd4\u4f8b\u5c3a\u4e3a5 \u03bcm\u3002<\/p>\n

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\n \"\"
\n \uff08a\uff09\u8ba1\u7b97\u5f97\u5230\u7684\u77f3\u58a8\u70ef-BN\u548c\u77f3\u58a8\u70ef-MoS2\u5f02\u8d28\u7ed3\u6784\u7684\u5355\u4f4d\u9762\u79ef\u7ed3\u5408\u80fd\u5173\u4e8e\u5c42\u95f4\u8ddd\u7684\u51fd\u6570\u5173\u7cfb\u3002\u66f2\u7ebf\uff08i\uff09\u591a\u4f53\u8272\u6563\u6cd5;\uff08ii\uff09Grimme\u7684DFT+D2\uff0c\uff08iii\uff09vdW-DF\uff0c\uff08iv\uff09\u975e\u5c40\u90e8vdW\u6cdb\u51fdOPT88\u548c\uff08v\uff09Tkatchenko\u548cScheffler\u65b9\u6cd5\u3002\u56fe\u4e2d\u96f6\u4f4d\u79fb\u6307\u5e73\u8861\u4f4d\u7f6e\u3002
\n \uff08b\uff09\u77f3\u58a8\u70ef-BN\u4e0e\u77f3\u58a8\u70ef-MoS2\u7684\u4e34\u754c\u4f5c\u7528\u529b\u6bd4\u503c\u3002<\/p>\n

\u56fe\u56db\uff1a\u7531Lifshitz\u7406\u8bba\u5bfc\u51fa\u7684\u5c42\u95f4\u4f5c\u7528\u529b<\/strong><\/p>\n

\u4e3a\u7406\u89e3\u4e0d\u540c\u4e8c\u7ef4\u5f02\u8d28\u754c\u9762\u4e0avdW\u76f8\u4e92\u4f5c\u7528\u5dee\u5f02\u4ea7\u751f\u7684\u673a\u5236\uff0c\u4f5c\u8005\u4ecevdW\u6676\u4f53\u7684\u4ecb\u7535\u6027\u8d28\u51fa\u53d1\uff0c\u4f7f\u7528Lifshitz\u7406\u8bba\u8ba1\u7b97\u4e86\u5c42\u95f4vdW\u80fd\u91cf\u3002
\n \"\"
\n \uff08a\uff09Lifshitz\u7406\u8bba\u8ba1\u7b97\u6a21\u578b\u793a\u610f\u56fe\uff1b
\n \uff08b\uff09\u968f\u673a\u76f8\u4f4d\u8fd1\u4f3c\u65b9\u6cd5\u8ba1\u7b97\u5f97\u4f53\u5757vdW\u6676\u4f53\u7684\u4ecb\u7535\u51fd\u6570\u865a\u90e8;
\n \uff08c\uff095nm\u77f3\u58a8-5nm BN\u548c5nm\u77f3\u58a8-5nm MoS2\u8584\u819c\u5f02\u8d28\u7ed3\u5355\u4f4d\u9762\u79ef\u5c42\u95f4\u529b\u5173\u4e8e\u5c42\u95f4\u4f4d\u79fb\u7684\u51fd\u6570\uff1b
\n \uff08d\uff09\u5355\u5c42\u77f3\u58a8\u70ef-BN\u548c\u5355\u5c42\u77f3\u58a8\u70ef-MoS2\u5f02\u8d28\u7ed3\u5355\u4f4d\u9762\u79ef\u5c42\u95f4\u529b\u5173\u4e8e\u5c42\u95f4\u4f4d\u79fb\u7684\u51fd\u6570\u3002<\/p>\n

\u56fe\u4e94\uff1aMoS2\u9010\u7247\u5265\u79bb\u77f3\u58a8-BN-\u77f3\u58a8\u5f02\u8d28\u7ed3\u6784<\/strong><\/p>\n

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\n \"\"
\n \uff08a\uff09\u9010\u7247\u5265\u79bb\u8fc7\u7a0b\u793a\u610f\u56fe\uff1b
\n \uff08b\uff09\u539f\u59cb\u77f3\u58a8-BN-\u77f3\u58a8\u53e0\u5c42\uff08\u5de6\uff09\u7684\u5149\u5b66\u56fe\u50cf\uff0c\u5176\u9876\u90e8\u77f3\u58a8\u9996\u5148\u88ab\u79fb\u9664\uff08\u4e2d\u95f4\uff09\uff0c\u7136\u540e\u79fb\u9664BN\u8584\u7247\uff08\u53f3\uff09\u3002<\/p>\n

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

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\u6587\u732e\u94fe\u63a5\uff1aProbing van der Waals interactions at two-dimensional heterointerfaces<\/a> (Nature Nanotechnology, 2019<\/strong>, DOI: 10.1038\/s41565 -019-0405-2)<\/p>\n

\u3010\u56e2\u961f\u4ecb\u7ecd\u3011<\/strong><\/p>\n

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