{"id":255142,"date":"2023-10-17T06:43:59","date_gmt":"2023-10-16T22:43:59","guid":{"rendered":"\/\/m.iemloyee.com\/?p=255142"},"modified":"2023-10-16T16:44:12","modified_gmt":"2023-10-16T08:44:12","slug":"%e6%9c%80%e6%96%b0nature-materials%ef%bc%9a%e7%83%ad%e8%af%b1%e5%af%bc%e5%8e%9f%e5%ad%90%e9%87%8d%e6%9e%84%e8%bf%87%e6%b8%a1%e9%87%91%e5%b1%9e%e7%a1%ab%e5%8c%96%e7%89%a9%e9%9b%b6%e8%bd%ac%e8%a7%92","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=255142","title":{"rendered":"\u6700\u65b0Nature Materials\uff1a\u70ed\u8bf1\u5bfc\u539f\u5b50\u91cd\u6784\u8fc7\u6e21\u91d1\u5c5e\u786b\u5316\u7269\u96f6\u8f6c\u89d2\u5b8c\u5168\u76f8\u79f0\u5f02\u8d28\u7ed3\u6784"},"content":{"rendered":"
\u4e00\u3001\u3010\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u4e8c\u7ef4\u5c42\u7684\u8303\u5fb7\u534e(vdW)\u5f02\u8d28\u7ed3\u6784\u7531\u4e8e\u5176\u524d\u6240\u672a\u6709\u7684\u7269\u7406\u6027\u8d28\u800c\u88ab\u5e7f\u6cdb\u7814\u7a76\uff0c\u5305\u62ec\u5728\u9b54\u89d2\u77f3\u58a8\u70ef\u53cc\u5206\u5b50\u5c42\u4e2d\u7684\u8d85\u5bfc\u6027\u548cMott\u7edd\u7f18\u76f8\uff0c\u4ee5\u53ca\u5728\u626d\u66f2\u8fc7\u6e21\u91d1\u5c5e\u4e8c\u786b\u5316\u7269\u4e2d\u7684\u83ab\u5c14\u5c42\u95f4\u6fc0\u5b50\u548c\u91cf\u5b50\u529b\u5b66\u6742\u5316\u7535\u5b50\u6001\u3002\u56e0\u6b64\uff0c\u4e8c\u7ef4\u5c42\u95f4\u7684\u626d\u8f6c\u89d2\u88ab\u8ba4\u4e3a\u662f\u51b3\u5b9a\u626d\u66f2vdW\u5f02\u8d28\u7ed3\u6784\u7535\u5b50\u548c\u5149\u5b66\u6027\u8d28\u7684\u5173\u952e\u53c2\u6570\u3002\u7136\u800c\uff0c\u6700\u8fd1\u7684\u62a5\u9053\u8868\u660e\uff0c\u626d\u66f2\u53cc\u5c42\u901a\u8fc7\u975e\u5e38\u89c4\u7684\u539f\u5b50\u91cd\u5efa\u6765\u7f13\u89e3\u5e94\u53d8\uff0c\u7531\u4e8e\u539f\u5b50\u91cd\u5efa\u6240\u9700\u7684\u9ad8\u80fd\u91cf\uff0c\u5927\u626d\u8f6c\u89d2\u7684\u53cc\u5c42\u5806\u53e0\u5f62\u6210\u4e86\u6ce2\u7eb9\u8d85\u6676\u683c\u7ed3\u6784\uff0c\u51e0\u4e4e\u4e3a\u96f6\u5806\u53e0\u7684\u53cc\u5c42\u8f6c\u53d8\u4e3a\u7531\u4e0d\u76f8\u79f0\u8fb9\u754c\u5206\u9694\u7684\u5468\u671f\u6027\u76f8\u79f0\u57df\uff0c\u5177\u6709\u91cd\u6574\u7684\u7535\u5b50\u5e26\u7ed3\u6784\u3002\u867d\u7136\u96f6\u626d\u66f2\u53cc\u5c42\u7ed3\u6784\u5728\u7406\u8bba\u4e0a\u662f\u80fd\u91cf\u7a33\u5b9a\u7684\uff0c\u4f46\u7531\u4e8e\u673a\u68b0\u9650\u5236\u7684\u4e0d\u51c6\u786e\u6027\u548c\u81ea\u53d1\u91cd\u5efa\u4e0d\u53ef\u907f\u514d\u5730\u5f62\u6210\u4e0d\u76f8\u79f0\u533a\u57df\uff0c\u5728\u83b7\u5f97\u5b8c\u7f8e\u7684\u6676\u4f53\u53d6\u5411\u65b9\u9762\u4ecd\u7136\u5b58\u5728\u6311\u6218\u3002<\/p>\n \u4e8c\u3001\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u97e9\u56fd\u9996\u5c14\u56fd\u7acb\u5927\u5b66Gwan-Hyoung Lee\u56e2\u961f\u63d0\u51fa\u4e86\u4e00\u79cd\u65b9\u6cd5\uff0c\u901a\u8fc7\u5c01\u88c5\u9000\u706b\u5bf9\u968f\u673a\u5806\u53e0\u7684\u8fc7\u6e21\u91d1\u5c5e\u4e8c\u786b\u5316\u7269\u591a\u5c42\u819c\u8fdb\u884c\u70ed\u8bf1\u5bfc\u539f\u5b50\u91cd\u5efa\uff0c\u83b7\u5f97\u5177\u6709\u96f6\u626d\u8f6c\u89d2\u7684\u5b8c\u5168\u76f8\u79f0\u5f02\u8d28\u7ed3\u6784\uff0c\u6574\u4e2a\u8fc7\u7a0b\u4e0d\u53d7\u5806\u53e0\u6837\u54c1\u626d\u8f6c\u89d2\u548c\u6676\u683c\u9519\u914d\u7684\u5f71\u54cd\uff0c\u5728\u6574\u4e2a\u5806\u53e0\u533a\u57df\u4ea7\u751fH\u578b\u6216R\u578b\u5b8c\u7f8e\u6392\u5217\u7684\u6676\u4f53\u53d6\u5411\uff0c\u800c\u5728\u76f8\u90bb\u5c42\u4e2d\u4ea7\u751f\u76f8\u53cd\u7684\u5e94\u53d8\u3002\u6b64\u5916\uff0c\u8fd8\u8bc1\u660e\u4e86\u4f7f\u7528\u5316\u5b66\u6c14\u76f8\u6c89\u79efTMD\u9009\u62e9\u6027\u5730\u5f62\u6210\u4e86\u5177\u6709\u65e0\u7f1d\u6a2a\u5411\u7ed3\u7684R\u578b\u548cH\u578b\u5b8c\u5168\u76f8\u79f0\u76f8\u3002\u6240\u5f97\u5230\u7684\u5b8c\u5168\u76f8\u79f0\u5f02\u8d28\u7ed3\u6784\u5373\u4f7f\u5728\u5ba4\u6e29\u4e0b\u4e5f\u8868\u73b0\u51fa\u5c42\u95f4\u6fc0\u5b50\u7684\u5f3a\u5149\u81f4\u53d1\u5149\u589e\u5f3a\uff0c\u8fd9\u662f\u7531\u4e8e\u7535\u5b50\u5e26\u8fb9\u7f18\u5728\u52a8\u91cf\u7a7a\u95f4\u4e2d\u6392\u5217\u800c\u8fbe\u5230\u70ed\u6781\u9650\u3002\u8be5\u9879\u5de5\u4f5c\u4e0d\u4ec5\u5c55\u793a\u4e86\u4e00\u79cd\u5236\u9020\u5177\u6709R\u578b\u548cH\u578b\u6784\u578b\u7684\u96f6\u626d\u66f2\u4e8c\u7ef4\u53cc\u5c42\u7ed3\u6784\u7684\u65b9\u6cd5\uff0c\u800c\u4e14\u8fd8\u4e3a\u7814\u7a76\u5176\u672a\u5f00\u53d1\u7684\u6027\u8d28\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5e73\u53f0\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cThermally induced atomic reconstruction into fully commensurate structures of transition metal dichalcogenide layers\u201d\u4e3a\u9898\u53d1\u8868\u5728\u56fd\u9645\u8457\u540d\u671f\u520aNature Materials<\/strong>\u4e0a\u3002<\/p>\n \u4e09\u3001\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/strong><\/p>\n \u901a\u8fc7\u70ed\u8bf1\u5bfc\u539f\u5b50\u91cd\u5efa\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u5236\u9020\u5177\u6709R\u578b\u548cH\u578b\u6784\u578b\u7684\u96f6\u626d\u66f2\u4e8c\u7ef4\u53cc\u5c42\u7ed3\u6784\u7684\u65b9\u6cd5<\/p>\n \u56db\u3001\u3010\u6570\u636e\u6982\u89c8\u3011<\/strong><\/p>\n \u56fe1\u626d\u66f2TMD vdW\u5f02\u8d28\u7ed3\u6784\u4e2d\u7684\u539f\u5b50\u91cd\u6784\u4e3a\u5b8c\u5168\u76f8\u79f0\u7ed3\u6784<\/p>\n a\uff0c\u7531\u4e0d\u540c\u5806\u53e0\u7c7b\u578b(R-\u5806\u53e0\u548cH-\u5806\u53e0)\u7684\u77f3\u58a8\u70ef(Gr)\u6216hBN\u5c01\u88c5\u7684\u626d\u66f2TMD\u53cc\u5c42\u793a\u610f\u56fe\u3002b\uff0c\u4e0d\u540c\u5806\u53e0\u7c7b\u578b\u7684Gr\/WSe2<\/sub>\/MoSe2<\/sub>\/Gr\u5f02\u8d28\u7ed3\u6784\u7684\u5149\u5b66\u56fe\u50cf\u3002\u4f2a\u5f69\u533a\u57df\u8868\u793aR-stack(\u9ec4\u8272)\u548cH-stack(\u84dd\u8272)WSe2<\/sub>\/MoSe2<\/sub>\u5f02\u8d28\u5c42\u3002c,d, H-stack WSe2<\/sub>\/MoSe2<\/sub>\u5f02\u8d28\u5c42(\u03b8 = 46.9\u00b0)\u5806\u53e0(c)\u548c\u9000\u706b(d)\u65f6\u7684\u9ad8\u500d\u7387HAADF-STEM\u56fe\u50cf(\u5de6)\u548cSAED\u56fe\u50cf(\u53f3)\u3002<\/p>\n \u56fe2\u5806\u53e0\u7c7b\u578b\u548c\u626d\u8f6c\u89d2\u5bf9\u70ed\u8bf1\u5bfc\u539f\u5b50\u91cd\u6784\u7684\u5f71\u54cd<\/p>\n a\uff0c\u626d\u66f2TMD\u53cc\u5c42\u7684\u603bvdW\u80fd\u91cf\u968f\u626d\u8f6c\u89d2\u7684\u51fd\u6570\u793a\u610f\u56fe\u3002b-f\uff0c\u626d\u66f2TMD\u5728(b-d)\u548c(e,f)\u9000\u706b\u524d\u7684\u539f\u5b50\u7ed3\u6784\u793a\u610f\u56fe\u3002b, 3R + IC\uff1bc, 2H + IC\uff1bd, IC\uff1be, R-FC\uff1bf, H-FC\u3002\u6a59\u8272\u3001\u9ec4\u8272\u3001\u84dd\u8272\u548c\u7d2b\u8272\u7ed3\u6784\u57df\u5206\u522b\u4ee3\u8868AB (3R)\u3001BA (3R)\u30012H\u548cIC\u3002\u7ea2\u8272\u3001\u6a59\u8272\u548c\u84dd\u8272\u5706\u5708\u5206\u522b\u4ee3\u8868W\u3001Mo\u548cSe\u539f\u5b50\u3002(IC-\u4e0d\u76f8\u79f0\uff1bFC-\u5b8c\u5168\u76f8\u79f0)<\/p>\n \u56fe3 FC\u5f02\u8d28\u7ed3\u6784\u7684\u7ed3\u6784\u7279\u5f81<\/p>\n a,b\uff0c\u9000\u706b\u540eWSe2<\/sub>\/MoSe2<\/sub> (\u03b8 = 29.5\u00b0)\u90e8\u5206\u91cd\u53e0\u533a\u57df\u7684HAADF-STEM\u56fe\u50cf\u3002c\uff0c\u9000\u706b\u540eH-FC WSe2<\/sub>\/MoSe2<\/sub>\u4e2d1L-TMD\u516d\u8fb9\u5f62\u533a\u57df\u7684HAADF-STEM\u56fe\u50cf\u3002d\uff0c\u5355\u6676WSe2<\/sub>\u548c\u591a\u6676MoSe2<\/sub>\u90e8\u5206\u91cd\u53e0\u533a\u57df\u7684HAADF-STEM\u56fe\u50cf\u3002\u63d2\u56fe\u663e\u793a\u626d\u66f2\u7684WSe2<\/sub>\/MoSe2<\/sub>\u7684\u5149\u5b66\u56fe\u50cf\u3002e, d\u4e2d\u7ea2\u8fb9\u6846\u7684\u653e\u5927HAADF-STEM\u56fe\u50cf\u3002\u5706\u5708\u4ee3\u8868Mo(\u6a59\u8272)\u548cSe(\u84dd\u8272)\u539f\u5b50\uff0c\u7ea2\u8272\u83f1\u5f62\u4ee3\u8868MoSe2<\/sub>\u7684\u955c\u50cf\u5b6a\u6676\u754c\u3002<\/p>\n \u56fe4 hBN\u5305\u5c01H-WSe2<\/sub>\/MoSe2<\/sub>\u5728\u5ba4\u6e29\u4e0b\u7684PL\u6d4b\u91cf<\/p>\n a, H-WSe2<\/sub>\/MoSe2<\/sub> (\u03b8 = 45.5\u00b0)\u9000\u706b\u524d\u540e\u7684\u5c42\u95f4\u6fc0\u5b50PL\u8c31\u3002b, H-WSe2<\/sub>\/MoSe2<\/sub>\u7b2c\u4e00\u4e2aBZ\u9000\u706b\u524d\u540e\u793a\u610f\u56fe\u3002\u039a\u548c\u039a\u2019\u8868\u793aTMD\u7684\u7b2c\u4e00\u4e2aBZ\u89d2\u3002\u5706\u5708\u4ee3\u8868\u7535\u5b50(\u7ea2\u8272)\u548c\u7a7a\u7a74(\u84dd\u8272)\u3002c, H- WSe2<\/sub>\/MoSe2<\/sub> (\u03b8 = 45.5\u00b0)\u9000\u706b\u524d\u540e\u7684\u5c42\u5185\u6fc0\u5b50PL\u8c31\u3002d, MoSe2<\/sub> (XM)\u548cWSe2<\/sub> (XW)\u7ecf\u5c01\u88c5\u9000\u706b\u540e\u5c42\u5185\u6fc0\u5b50PL\u5cf0\u4f4d\u79fb\u3002\u6570\u636e\u6765\u81ea\u4e94\u4e2a\u4e0d\u540c\u7684\u6837\u672c\u3002\u4e2d\u4f4d\u6570\u7531\u65b9\u6846\u4e2d\u7684\u4e2d\u5fc3\u7ebf\u8868\u793a\uff0c\u65b9\u6846\u5305\u542b\u6570\u636e\u96c6\u7684\u7b2c25-75\u7684\u767e\u5206\u4f4d\u6570\uff0c\u6676\u987b\u8868\u793a\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u3002<\/p>\n \u56fe5 hBN\u5c01\u88c5\u7684H-WSe2<\/sub>\/MoSe2<\/sub>\u572877 K\u4e0b\u7684PL\u6d4b\u91cf<\/p>\n a\uff0c \u03b8 = 58.7\u00b0\u548c45.5\u00b0H-stack WSe2<\/sub>\/MoSe2<\/sub>\u9000\u706b\u524d\u540e\u7684PL\u8c31\u56fe\u3002IXM\u8868\u793a\u5bbd\u5c42\u95f4\u6fc0\u5b50(IX) PL\u5cf0\uff0cIXT\u548cIXS\u5206\u522b\u8868\u793a\u81ea\u65cb\u5355\u91cd\u6001\u548c\u81ea\u65cb\u4e09\u91cd\u6001\u5c42\u95f4\u6fc0\u5b50\u3002b,c, \u5806\u53e0(b)\u548ch\u578bFC (c) WSe2<\/sub>\/MoSe2<\/sub>\u5f02\u8d28\u5c42\u039a\u548cQ\u8c37\u7684\u80fd\u5e26\u7ed3\u6784\u793a\u610f\u56fe\u3002\u5706\u5708\u4ee3\u8868\u7535\u5b50(\u7ea2\u8272)\u548c\u7a7a\u7a74(\u7389\u8272)\u3002\u5b9e\u7ebf\u548c\u865a\u7ebf\u5206\u522b\u8868\u793a\u81ea\u65cb\u5411\u4e0a\u548c\u81ea\u65cb\u5411\u4e0b\u7684\u6ce2\u6bb5\u3002d, H-stack WSe2<\/sub>\/MoSe2<\/sub>\u4e2dIXs PL\u5cf0\u7684\u534a\u5cf0\u5bbd\u3002\u672c\u7814\u7a76\u4e2dH-FC\u7684\u6570\u636e\u6765\u81ea6\u4e2a\u4e0d\u540c\u7684\u6837\u54c1\u3002\u4e2d\u4f4d\u6570\u7531\u65b9\u6846\u4e2d\u7684\u4e2d\u5fc3\u7ebf\u8868\u793a\uff0c\u65b9\u6846\u5305\u542b\u6570\u636e\u96c6\u7684\u7b2c25-75\u7684\u767e\u5206\u4f4d\u6570\uff0c\u6676\u987b\u8868\u793a\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u3002<\/p>\n \u4e94\u3001\u3010\u6210\u679c\u542f\u793a\u3011<\/strong><\/p>\n 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\u6587\u732e\u94fe\u63a5\uff1ahttps:\/\/www.nature.com\/articles\/s41563-023-01690-2<\/p>\n \u672c\u6587\u7531\u5c0f\u827a\u64b0\u7a3f<\/p>\n","protected":false},"excerpt":{"rendered":" \u4e00\u3001\u3010\u5bfc\u8bfb\u3011 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