{"id":227900,"date":"2021-09-29T06:30:44","date_gmt":"2021-09-28T22:30:44","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=227900"},"modified":"2021-09-28T18:11:05","modified_gmt":"2021-09-28T10:11:05","slug":"%e6%ad%a6%e6%b1%89%e5%a4%a7%e5%ad%a6national-science-review%ef%bc%9a%e4%ba%8c%e7%bb%b4%e5%bc%82%e8%b4%a8%e7%bb%93%e6%96%b0%e8%bf%9b%e5%b1%95-%e5%b1%82%e9%97%b4%e6%bf%80%e5%ad%90","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=227900","title":{"rendered":"\u6b66\u6c49\u5927\u5b66National Science Review\uff1a\u4e8c\u7ef4\u5f02\u8d28\u7ed3\u65b0\u8fdb\u5c55\u2014\u2014\u5c42\u95f4\u6fc0\u5b50\u7684\u8fa8\u8ba4"},"content":{"rendered":"<p><strong><b>\u524d\u8a00<\/b><\/strong><\/p>\n<p>\u901a\u8fc7\u8303\u5fb7\u74e6\u5c14\u65af\u76f8\u4e92\u4f5c\u7528\u6784\u5efa\u5f02\u8d28\u7ed3\u6784\u964d\u4f4e\u4e86\u5916\u5ef6\u751f\u957f\u6837\u54c1\u4e2d\u6676\u683c\u5339\u914d\u7684\u4e00\u822c\u8981\u6c42\uff0c\u901a\u8fc7\u5806\u53e0\u4e0d\u540c\u7684\u8584\u5c42\u53ef\u4ee5\u5b9e\u73b0\u591a\u79cd\u8d85\u6750\u6599\u3002\u989d\u5916\u7684\u81ea\u7531\u5ea6\uff0c\u5982\u6210\u5206\u7684\u7ec4\u5408\u6216\u5b83\u4eec\u7684\u626d\u66f2\u89d2\u5ea6\uff0c\u53ef\u4ee5\u7528\u6765\u8bbe\u8ba1\u5f02\u8d28\u7ed3\u6784\u7684\u673a\u68b0\u3001\u7535\u3001\u78c1\u6027\u548c\u5149\u5b66\u7279\u6027\u3002\u7279\u522b\u5730\uff0c\u5782\u76f4\u5806\u53e0\u7684\u8fc7\u6e21\u91d1\u5c5e\u4e8c\u786b\u5316\u7269(TMD)\u5f02\u8d28\u53cc\u5c42\u5f15\u8d77\u4e86\u4eba\u4eec\u6781\u5927\u7684\u5174\u8da3\uff0c\u56e0\u4e3a\u5b83\u4eec\u7684\u2171\u578b\u80fd\u5e26\u6392\u5217\u6709\u5229\u4e8e\u4ea7\u751f\u5177\u6709\u8d85\u957f\u5bff\u547d\u548c\u8c37\u53bb\u6781\u5316\u65f6\u95f4\u7684\u5c42\u95f4\u6fc0\u5b50\u3002\u626d\u66f2\u89d2\u548c\u5355\u5206\u5b50\u5c42\u6676\u683c\u5e38\u6570\u7684\u4e0d\u5339\u914d\u53ef\u4ee5\u4ea7\u751f\u6df1\u5ea6\u4e3a116 meV\u7684\u5468\u671f\u6027moir\u00e9\u52bf\u3002\u5939\u5728moir\u00e9\u52bf\u4e2d\u7684\u5c42\u95f4\u6fc0\u5b50\u5448\u73b0\u51fa\u4ea4\u66ff\u7684\u5706\u504f\u632f\u5149\u81f4\u53d1\u5149(PL)\uff0c\u8fd9\u6e90\u4e8emoir\u00e9\u8d85\u6676\u683c\u4e2d\u7a7a\u95f4\u53d8\u5316\u7684\u5149\u5b66\u9009\u62e9\u89c4\u5219\u3002\u5c42\u95f4\u6fc0\u5b50\u7684\u7279\u6027\u4f7f\u5176\u6210\u4e3a\u63a2\u7d22\u73bb\u8272-\u7231\u56e0\u65af\u5766\u51dd\u805a\u7684\u826f\u597d\u5e73\u53f0\uff0c\u6216\u529f\u80fd\u6fc0\u5b50\u5668\u4ef6\u4e2d\u91cf\u5b50\u4fe1\u606f\u7684\u65b0\u8f7d\u4f53\u3002<\/p>\n<p>\u7136\u800c\uff0c<strong><u><b>\u786e\u5b9aTMD\u5f02\u8d28\u53cc\u5c42\u4e2d\u65b0\u7684\u5149\u5b66\u8dc3\u8fc1\u7684\u6765\u6e90\u662f\u4e00\u9879\u8270\u5de8\u7684\u4efb\u52a1\uff0c\u6709\u4e89\u8bae\u7684\u7ed3\u8bba\u5728\u6587\u732e\u4e2d\u4e0d\u65ad\u88ab\u62a5\u9053\u3002<\/b><\/u><\/strong>\u4f8b\u5982\uff0cMoSe<sub>2<\/sub>\/WSe<sub>2<\/sub>\u5f02\u8d28\u53cc\u5c42\u4e2d\u7ea61.35 eV\u5904\u7684\u5cf0\u88ab\u8bb8\u591a\u7814\u7a76\u5c0f\u7ec4\u5f52\u56e0\u4e8e\u6e90\u4e8e\u52a8\u91cf-\u76f4\u63a5(K-K)\u8dc3\u8fc1\u7684\u5c42\u95f4\u6fc0\u5b50\uff0c\u4f46\u4e5f\u88ab\u79f0\u4e3a\u95f4\u63a5\u8dc3\u8fc1\u6216\u6df7\u5408\u8dc3\u8fc1\uff0c\u5c3d\u7ba1\u5b9e\u9a8c\u5149\u8c31\u770b\u8d77\u6765\u76f8\u4f3c\u3002PL\u5728\u4e0d\u540c\u6ce2\u957f\u7684\u76f8\u53cd\u5706\u504f\u632f\uff0c\u8fd9\u662f\u6765\u6e90\u7684\u4e00\u4e2a\u5173\u952e\u8bc1\u636e\uff0c\u5f52\u56e0\u4e8e\u503e\u659c\u7684\u7535\u5b50\u81ea\u65cb\uff08\u7531\u5c42\u4e4b\u95f4\u7684\u7535\u5b50\u6742\u5316\u6216\u7531\u83ab\u5c14\u8d85\u6676\u683c\u8c03\u5236\u7684\u4e0d\u540c\u5149\u5b66\u9009\u62e9\u89c4\u5219\u5f15\u8d77\u7684\uff09\u3002\u5bf9\u4e8e\u5176\u4ed6\u7ec4\u5408\uff0c\u5982MoS<sub>2<\/sub>\/WSe<sub>2<\/sub>\u548cMoSe<sub>2<\/sub>\/WS<sub>2<\/sub>\uff0c\u5355\u5c42\u7ec4\u5206\u4e2d\u4eae\u6fc0\u5b50\u4f4e\u80fd\u4fa7\u7684\u65b0\u5149\u5b66\u8dc3\u8fc1\u88ab\u8bc1\u660e\u5177\u6709\u8f83\u5f3a\u7684\u5c42\u5185\u7279\u6027\u6216\u5c42\u5185\u548c\u5c42\u95f4\u6742\u5316\u7279\u6027\u3002\u52a8\u91cf-\u76f4\u63a5\u7684K-K\u8dc3\u8fc1\u662f\u5728\u5927\u7ea61.0 eV\u7684\u7ea2\u5916\u533a\u57df\u53d1\u73b0\u7684\u3002(\u6ce8\u610f\uff0c\u5f02\u8d28\u53cc\u5c42\u4e2d\u7684K-K\u8dc3\u8fc1\u5728\u4e24\u4e2a\u8c37\u7684\u4e2d\u5fc3\u4e4b\u95f4\u901a\u5e38\u662f\u5149\u5b66\u9ed1\u6697\u7684)\u00a0\u6700\u8fd1\uff0c\u4eba\u4eec\u5bf9WS<sub>2<\/sub>\/WSe<sub>2<\/sub>\u7ec4\u5408\u6709\u4e86\u6d53\u539a\u7684\u7814\u7a76\u5174\u8da3\uff0c\u5305\u62ec\u53d1\u73b0\u4e86\u7eaf\u81ea\u65cb\u8c37\u6269\u6563\u7535\u6d41\u3001moir\u00e9-trapped\u6fc0\u5b50\u548c\u8d85\u5feb\u6fc0\u5b50\u76f8\u53d8\u3002\u5728\u8fd9\u4e9b\u5de5\u4f5c\u4e2d\u89c2\u5bdf\u5230\u7684\u7ea61.45 eV\u7684\u65b0\u7684\u5149\u5b66\u8dc3\u8fc1\u88ab\u79f0\u4e3a\u5c42\u95f4\u6fc0\u5b50\u8dc3\u8fc1\uff0c\u5728\u6ca1\u6709\u5177\u4f53\u6807\u8bb0\u7684\u60c5\u51b5\u4e0b\uff0c\u5b83\u6307\u7684\u662fK-K\u8c37\u8dc3\u8fc1\u3002<\/p>\n<p>\u8fd1\u65e5\uff0c<strong><b>\u6b66\u6c49\u5927\u5b66\u5f20\u987a\u5e73\u6559\u6388\u3001\u5f90\u7ea2\u661f\u9662\u58eb\u4e0e\u8881\u58f0\u519b\u6559\u6388\u3001\u5f20\u6668\u680b\u6559\u6388\u8054\u5408\u5728National Science Review<\/b><\/strong>\u4e0a\u53d1\u8868\u6587\u7ae0\uff0c\u9898\u4e3a\uff1a\u201cIdentification of twist-angle-dependent excitons in WS<sub>2<\/sub>\/WSe<sub>2<\/sub>\u00a0heterobilayers\u201d\u3002\u7814\u7a76\u56e2\u961f\u4ee5WS<sub>2<\/sub>\/WSe<sub>2<\/sub>\u5f02\u8d28\u7ed3\u4e3a\u4f8b\uff0c\u7ed3\u5408\u5149\u8c31\u5206\u6790\u548c\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\uff0c\u5bf9\u5f02\u8d28\u7ed3\u4e2d\u7684\u65b0\u578b\u5149\u6fc0\u5b50\u8dc3\u8fc1\u8fdb\u884c\u4e86\u786e\u8ba4\u3002\u8bc1\u660e\u4e86\u8fd9\u79cd\u5149\u5b66\u8dc3\u8fc1\uff0c\u5177\u6709\u8fd1\u5e73\u9762\u5185\u8dc3\u8fc1\u5076\u6781\u77e9\uff0c\u6e90\u4e8e\u52a8\u91cf\u95f4\u63a5\u0393-K\u8dc3\u8fc1\uff0c\u4ec5\u7531WS<sub>2<\/sub>\u8d21\u732e\u3002\u8fd9\u79cd\u8bc6\u522b\u662f\u57fa\u4e8e\u5bf9\u5b9e\u9a8c\u5149\u81f4\u53d1\u5149\u5149\u8c31\u7684\u7cfb\u7edf\u5206\u6790\u548c\u6bd4\u8f83\u3001\u4f9d\u8d56\u4e8e\u626d\u8f6c\u89d2\u7684\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba(DFT)\u80fd\u5e26\u7ed3\u6784\u8ba1\u7b97\u3001\u66f4\u7cbe\u786e\u7684DFT-GW\u8ba1\u7b97\u4ee5\u53ca\u4f7f\u7528GW-Bethe-Salpeter\u65b9\u7a0b(BSE)\u65b9\u6cd5\u7684\u6700\u5148\u8fdb\u7684\u5149\u5b66\u8ba1\u7b97\u3002\u53d1\u73b0\u4ece\u504f\u632f\u5206\u8fa8\u7684\u5149\u81f4\u53d1\u5149k\u7a7a\u95f4\u6210\u50cf\u83b7\u5f97\u7684\u8dc3\u8fc1\u5076\u6781\u77e9\u7684\u8fd1\u9762\u5185\u6027\u8d28\u4e0e\u626d\u8f6c\u89d2\u65e0\u5173\u3002\u8ba1\u7b97\u8fd8\u9884\u6d4b\u4e86K-K\u8dc3\u8fc1\u7684\u5c42\u95f4\u6fc0\u5b50\u5cf0\u4f4d\u4e8e\u7ea61.06 eV\u7684\u7ea2\u5916\u533a\u57df\uff0c\u7c7b\u4f3c\u4e8eMoS<sub>2<\/sub>\/WSe<sub>2<\/sub>\u7ec4\u5408\u3002TMD\u5f02\u8d28\u53cc\u5c42\u4e2d\u8dc3\u8fc1\u7684\u8bc6\u522b\u6709\u52a9\u4e8e\u9610\u660emoir\u00e9\u8d85\u6676\u683c\u4e2d\u6fc0\u5b50\u7684\u6765\u6e90\uff0c\u5e76\u4e14\u5b83\u4eec\u7684\u8dc3\u8fc1\u5076\u6781\u53d6\u5411\u7684\u8868\u5f81\u5bf9\u4e8e\u5b83\u4eec\u7684\u6fc0\u53d1\u6216\u6536\u96c6\u6548\u7387\u4ee5\u53ca\u5b83\u4eec\u4e0e\u5149\u5b66\u5fae\u8154\u6216\u6ce2\u5bfc\u7684\u96c6\u6210\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002<\/p>\n<p><strong><b>\u56fe\u6587\u5bfc\u8bfb<\/b><\/strong><\/p>\n<p>\u56fe1. WS<sub>2<\/sub>\/WSe<sub>2<\/sub>\u5f02\u8d28\u7ed3\u7684\u5149\u5b66\u7167\u7247<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-227901\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2021\/09\/\u56fe\u7247-1-13.png\" alt=\"\" width=\"535\" height=\"840\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2021\/09\/\u56fe\u7247-1-13.png 535w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2021\/09\/\u56fe\u7247-1-13-191x300.png 191w\" sizes=\"(max-width: 535px) 100vw, 535px\" \/><\/p>\n<p>(a)\u00a0285 nm\u4e8c\u6c27\u5316\u7845\u886c\u5e95\u4e0a60\u00b0 WS<sub>2<\/sub>\/WSe<sub>2<\/sub>\u5f02\u8d28\u53cc\u5c42\u7ed3\u6784\u7684\u5149\u5b66\u56fe\u50cf\u3002<\/p>\n<p>(b) \u5355\u5c42WS<sub>2<\/sub>(\u7ea2\u8272)\u3001\u5355\u5c42WS<sub>2<\/sub>(\u84dd\u8272)\u548c\u5f02\u8d28\u53cc\u5c42(\u6a59\u8272)\u7684PL\u5149\u8c31\u3002<\/p>\n<p>\u56fe2. \u5f02\u8d28\u7ed3\u4e2d\u4f4e\u80fd\u65b0\u5cf0\u5cf0\u4f4d\u968f\u5806\u53e0\u89d2\u5ea6\u53d8\u5316\u7684\u4f9d\u8d56\u5173\u7cfb<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-227902\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2021\/09\/\u56fe\u7247-2-12.png\" alt=\"\" width=\"600\" height=\"291\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2021\/09\/\u56fe\u7247-2-12.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2021\/09\/\u56fe\u7247-2-12-300x146.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>(a\uff0cb)\u00a0\u5355\u5c42WSe<sub>2<\/sub>(\u84dd\u8272)\u3001\u5355\u5c42WS<sub>2<\/sub>(\u7ea2\u8272)\u53ca\u5176\u4e0d\u540c\u626d\u8f6c\u89d2(0\u2264\u03b8\u226460\u00b0)\u7684\u5f02\u8d28\u53cc\u5c42\u7684PL\u8c31\u3002<\/p>\n<p>(c) \u5355\u5c42WS<sub>2<\/sub>(\u6697\u7ea2\u8272)\u3001\u5355\u5c42WS<sub>2<\/sub>(\u6697\u84dd\u8272)\u548c\u5b83\u4eec\u5bf9\u5e94\u7684\u5f02\u8d28\u53cc\u5c42(\u6d45\u7ea2\u8272\u548c\u6d45\u84dd\u8272)\u4e2d\u7684\u4eae\u6fc0\u5b50\u7684\u80fd\u91cf\u4e0e\u626d\u8f6c\u89d2\u7684\u5173\u7cfb\u3002<\/p>\n<p>(d)\u00a0WS<sub>2<\/sub>\/WSe<sub>2<\/sub>\u5f02\u8d28\u53cc\u5c42\u4e2dTDE\u7684\u80fd\u91cf\u4e0e\u626d\u8f6c\u89d2\u7684\u5173\u7cfb\u3002<\/p>\n<p>(e) \u57fa\u4e8eAA\u5806\u79ef(\u84dd\u8272)\u548cAB\u5806\u79ef(\u7ea2\u8272)\u6784\u578b\u7684WS<sub>2<\/sub>\/WSe<sub>2<\/sub>\u5f02\u8d28\u53cc\u5c42\u7684\u5e73\u5747\u5c42\u8ddd\u4e0e\u626d\u8f6c\u89d2\u5173\u7cfb\u3002<\/p>\n<p>(f) \u8ba1\u7b97\u4e86\u4e0d\u540c\u626d\u66f2\u89d2\u5ea6AB-\u5806\u53e0\u5f02\u8d28\u53cc\u5c42\u7684K-K(\u84dd\u8272)\u548c\u0393-K(\u7ea2\u8272)\u8dc3\u8fc1\u80fd\u3002<\/p>\n<p>\u56fe3. \u7406\u8bba\u8ba1\u7b97\u7684\u5f02\u8d28\u7ed3\u80fd\u5e26\u7ed3\u6784<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-227903\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2021\/09\/\u56fe\u7247-3-11.png\" alt=\"\" width=\"600\" height=\"420\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2021\/09\/\u56fe\u7247-3-11.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2021\/09\/\u56fe\u7247-3-11-300x210.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>(a)\u00a0\u901a\u8fc7GW\u65b9\u6cd5\u83b7\u5f97\u7684AB\u53e0\u5c42WS<sub>2<\/sub>\/WSe<sub>2<\/sub>\u5f02\u8d28\u53cc\u5c42\u7684\u6295\u5f71\u80fd\u5e26\u7ed3\u6784\u3002<\/p>\n<p>\u4e0e(b) K-K\u6fc0\u53d1\u548c(c)\u00a0\u0393-K\u6fc0\u53d1\u76f8\u5173\u7684\u7a7a\u7a74|+\u232a\u548c\u7535\u5b50|\u2212\u232a\u6001\u7684\u5206\u5e03\u3002<\/p>\n<p>(d)\u00a0AA-\u548cAB-\u5806\u53e0WS<sub>2<\/sub>\/WSe<sub>2<\/sub>\u5f02\u8d28\u53cc\u5c42\u7684\u5e73\u5747\u5149\u5b66\u5438\u6536\u5149\u8c31.<\/p>\n<p>(e) TDE\u4e2d\u7535\u8377\u5bc6\u5ea6\u7684\u5b9e\u7a7a\u95f4\u5206\u5e03\u3002<\/p>\n<p>\u56fe4. \u52a8\u91cf\u5206\u8fa8\u7684\u65b0\u5cf0\u8367\u5149\u6210\u50cf\u3002<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-227904\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2021\/09\/\u56fe\u7247-4-13.png\" alt=\"\" width=\"600\" height=\"421\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2021\/09\/\u56fe\u7247-4-13.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2021\/09\/\u56fe\u7247-4-13-300x211.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>(a) \u8ba1\u7b97\u4e86\u7eafIP(\u5de6)\u548cOP(\u53f3)\u5076\u6781\u5b50\u7684\u5f52\u4e00\u5316k\u7a7a\u95f4\u53d1\u5c04\u6a21\u5f0f\u3002<\/p>\n<p>(b) IP(\u5de6)\u548cOP(\u53f3)\u7684s\u6781\u5316\u548cp\u6781\u5316\u7684\u6a2a\u622a\u9762\u3002<\/p>\n<p>(c) \u5355\u5c42WSe<sub>2<\/sub>\u4e2d\u7684\u4eae(A)\u6fc0\u5b50(\u5de6)\u57281.65 eV\u65f6\u548cTDE\uff08\u53f3\uff09\u5728\u5927\u7ea61.35 eV\u65f6\u7684x\u504f\u632fk\u7a7a\u95f4\u53d1\u5c04\u6a21\u5f0f\u3002<\/p>\n<p>\u5bf9\u5e94\u7684s\u504f\u632f\u548cp\u504f\u632f\u7684\u5b9e\u9a8c\u548c\u62df\u5408\u622a\u9762\u5982(d)\u6240\u793a:\u5de6\uff0cWSe<sub>2<\/sub>\uff1b\u53f3\uff0cTDE\u3002<\/p>\n<p>(e) \u5de6\u56fe:\u5355\u5c42\u4e2d\u7684\u4eae\u6fc0\u5b50\u548c\u5f02\u8d28\u53cc\u5c42\u4e2d\u7684TDE\u7684\u6bd4\u503cR\u4e0e\u6fc0\u5b50\u80fd\u91cf\u7684\u5173\u7cfb\u3002\u53f3\u56fe:TDE\u7684\u6bd4\u503cR\u4e0e\u626d\u89d2\u7684\u5173\u7cfb\u3002<\/p>\n<p>(f) \u591a\u5c42WS<sub>2<\/sub>\u8584\u819c\u7684\u5149\u81f4\u53d1\u5149\u5149\u8c31\u3002<\/p>\n<p>(g) (f)\u4e2dA\u6fc0\u5b50\u7684\u6bd4\u503cR\u4e0e\u591a\u5c42WS<sub>2<\/sub>\u7684\u5c42\u6570\u7684\u5173\u7cfb\u3002<\/p>\n<p><strong><b>\u5c0f\u7ed3<\/b><\/strong><\/p>\n<p>\u5bf9WS<sub>2<\/sub>\/WSe<sub>2<\/sub>\u5f02\u8d28\u53cc\u5c42\u7684TDE\u8fdb\u884c\u4e86\u5b9e\u9a8c\u548c\u6700\u5148\u8fdb\u7684\u7406\u8bba\u7814\u7a76\u3002\u6fc0\u5b50\u7684\u5cf0\u503c\u80fd\u91cf\u968f\u626d\u8f6c\u89d2\u5bf9\u79f0\u53d8\u5316\uff0c\u4ee530\u00b0\u4e3a\u4e2d\u5fc3\u3002\u901a\u8fc7\u4e0e\u8ba1\u7b97\u7ed3\u679c\u7684\u6bd4\u8f83\uff0c\u5c061.35 eV\u7684\u5149\u5b66\u8dc3\u8fc1\u5f52\u7ed3\u4e3a\u95f4\u63a5\u0393-K\u8dc3\u8fc1\uff0c\u5176\u4e2d\u0393\u7a7a\u7a74\u6001\u662f\u4e00\u79cd\u6df7\u5408\u6001\u3002\u57fa\u4e8eDFT-GW-BSE\u65b9\u6cd5\u7684\u7406\u8bba\u8ba1\u7b97\u8fdb\u4e00\u6b65\u8bc1\u5b9e\u4e86\u8be5TDE\u7684\u5c42\u5185\u7279\u6027\uff0c\u5176\u4e2d\u7535\u5b50\u548c\u7a7a\u7a74\u5747\u7531WS<sub>2<\/sub>\u5c42\u8d21\u732e\u3002\u7531k\u7a7a\u95f4\u53d1\u5c04\u56fe\u63ed\u793a\u7684TDE(85\u00b0~90\u00b0)\u7684\u8fd1IP\u53d6\u5411\u8dc3\u8fc1\u5076\u6781\u5b50\u7279\u5f81\u4e0e\u626d\u8f6c\u89d2\u65e0\u5173\u3002\u8ba1\u7b97\u8fd8\u9884\u6d4b\u4e86\u6765\u81eaK-K\u8dc3\u8fc1\u7684\u6fc0\u5b50\u5cf0\u5927\u7ea6\u4f4d\u4e8e1.06 eV\u3002\u8bc6\u522b\u5f02\u8d28\u53cc\u5c42\u4e2dTDE\u7684\u6765\u6e90\u5bf9\u4e8e\u7406\u89e3\u8fd9\u4e9b\u51c6\u7c92\u5b50\u81f3\u5173\u91cd\u8981\u3002\u8868\u5f81\u5b83\u4eec\u7684\u8dc3\u8fc1\u5076\u6781\u77e9\u5bf9\u4e8e\u8fdb\u4e00\u6b65\u8bbe\u8ba1\u57fa\u4e8e\u8303\u5fb7\u534e\u5f02\u8d28\u7ed3\u6784\u7684\u9ad8\u6548\u5149\u7535\u548c\u7eb3\u7c73\u5149\u5b50\u5668\u4ef6\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p><strong><b>\u6587\u732e\u94fe\u63a5<\/b><\/strong>\uff1a<a href=\"https:\/\/academic.oup.com\/nsr\/advance-article\/doi\/10.1093\/nsr\/nwab135\/6332300?searchresult=1\"><u>Identification of twist-angle-dependent excitons in WS<\/u><u><sub>2<\/sub><\/u><u>\/WSe<\/u><u><sub>2<\/sub><\/u><u>\u00a0heterobilayers, National Science Review, 2021, DOI:<\/u><u>\u00a0<\/u><u>10.1093\/nsr\/nwab135.<\/u><\/a><\/p>\n<p>\u672c\u6587\u7531\u7eb3\u7c73\u5c0f\u767d\u4f9b\u7a3f\u3002\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 \u901a\u8fc7\u8303\u5fb7\u74e6\u5c14\u65af\u76f8\u4e92\u4f5c\u7528\u6784\u5efa\u5f02\u8d28\u7ed3\u6784\u964d\u4f4e\u4e86\u5916\u5ef6\u751f\u957f\u6837\u54c1\u4e2d\u6676\u683c\u5339\u914d\u7684\u4e00\u822c\u8981\u6c42\uff0c\u901a\u8fc7\u5806\u53e0\u4e0d\u540c\u7684\u8584\u5c42\u53ef\u4ee5\u5b9e\u73b0\u591a\u79cd\u8d85\u6750\u6599\u3002\u989d\u5916\u7684\u81ea\u7531\u5ea6\uff0c\u5982\u6210\u5206\u7684\u7ec4\u5408\u6216\u5b83\u4eec\u7684\u626d\u66f2\u89d2\u5ea6&#8230;<\/p>\n","protected":false},"author":11454,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-227900","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/227900"}],"collection":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/users\/11454"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=227900"}],"version-history":[{"count":1,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/227900\/revisions"}],"predecessor-version":[{"id":227905,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/227900\/revisions\/227905"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=227900"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=227900"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=227900"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}