{"id":225007,"date":"2021-07-31T15:00:41","date_gmt":"2021-07-31T07:00:41","guid":{"rendered":"\/\/m.iemloyee.com\/?p=225007"},"modified":"2021-07-31T13:58:52","modified_gmt":"2021-07-31T05:58:52","slug":"%e6%b0%b8%e6%97%a0%e6%ad%a2%e5%a2%83%ef%bc%81%e6%89%8b%e6%8f%a17%e7%af%87nature-1%e7%af%87science%e7%9a%84%e4%bb%96%ef%bc%8c%e5%86%8d%e8%8e%b71%e7%af%87nature","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=225007","title":{"rendered":"\u6c38\u65e0\u6b62\u5883\uff01\u624b\u63e17\u7bc7Nature\/1\u7bc7Science\u7684\u4ed6\uff0c\u518d\u83b71\u7bc7Nature"},"content":{"rendered":"

\u3010\u80cc\u666f\u4ecb\u7ecd\u3011<\/strong><\/p>\n

\u91cf\u5b50\u6750\u6599\u7684\u6700\u65b0\u8fdb\u5c55\u662f\u901a\u8fc7\u5806\u53e0\u5177\u6709\u626d\u66f2\u89d2\u6216\u6676\u683c\u5931\u914d\u7684\u4e8c\u7ef4\uff082D\uff09\u6750\u6599\u6765\u6784\u5efa\u4eba\u9020\u7684moir\u00e9\u8d85\u6676\u683c\u3002\u5728\u67d0\u4e9bmoir\u00e9\u8d85\u6676\u683c\u4e2d\uff0c\u5e73\u5e26\u7684\u51fa\u73b0\u4f1a\u5f15\u8d77\u76f8\u5173\u7edd\u7f18\u4f53\u3001\u94c1\u78c1\u76f8\u7b49\u73b0\u8c61\uff0c\u7279\u522b\u662f\u8d85\u5bfc\u6027\u3002\u6700\u8fd1\u5728\u9b54\u89d2\u626d\u66f2\u53cc\u5c42\u77f3\u58a8\u70ef\uff08MATBG\uff09\u4ee5\u53ca\u9b54\u89d2\u626d\u66f2\u4e09\u5c42\u77f3\u58a8\u70ef\uff08MATTG\uff09\u4e2d\u53d1\u73b0\u4e86\u5f3a\u5927\u7684\u8d85\u5bfc\u6027\u3002\u6b64\u5916\uff0cMATTG\u8868\u73b0\u51fa\u72ec\u7279\u7684\u7535\u4f4d\u79fb\u573a\u53ef\u8c03\u6027\uff0c\u5176\u8d85\u5bfc\u72b6\u6001\u53ef\u4ee5\u8c03\u6574\u5230\u8d85\u5f3a\u8026\u5408\u72b6\u6001\uff0c\u4f7f\u5f97MATTG\u6210\u4e3a\u7814\u7a76moir\u00e9\u8d85\u5bfc\u6027\u8d28\u7684\u6709\u5438\u5f15\u529b\u7684\u5e73\u53f0\u3002\u7136\u800c\uff0c\u5173\u4e8e\u8d85\u5bfc\u6027\u7684\u4e00\u4e2a\u57fa\u672c\u95ee\u9898\u662f\u5176\u975e\u5e38\u89c4\u914d\u5bf9\u5bf9\u79f0\u6027\uff0c\u5373\u7a7a\u95f4\u5bf9\u79f0\u6027\u548c\u81ea\u65cb\u914d\u7f6e\uff0c\u4ecd\u6709\u5f85\u5b9e\u9a8c\u8bc1\u660e\u3002<\/p>\n

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

\u57282021\u5e747\u670822\u65e5\uff0c\u7f8e\u56fd\u9ebb\u7701\u7406\u5de5\u5b66\u9662\u66f9\u539f\uff08\u4e00\u4f5c\u517c\u901a\u8baf\u4f5c\u8005\uff09\u3001Pablo Jarillo-Herrero\u548cJeong Min Park\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba<\/strong>\u62a5\u9053\u4e86\u9b54\u89d2\u626d\u66f2\u4e09\u5c42\u77f3\u58a8\u70ef\uff08MATTG\uff09\u5728\u9762\u5185\u78c1\u573a\u8d85\u8fc710 T\u65f6\u8868\u73b0\u51fa\u8d85\u5bfc\u6027\uff0c\u6781\u5927\u7684\u8fdd\u53cd\u4e86\u4f20\u7edf\u81ea\u65cb\u5355\u7ebf\u6001\u8d85\u5bfc\u4f53\u7684\u6ce1\u5229\uff08Pauli\uff09\u6781\u9650\uff0c\u8d85\u8fc7\u4e862-3\u500d\u3002\u5bf9\u4e8e\u4e00\u4e2a\u9884\u8ba1\u4e0d\u4f1a\u6709\u5f3a\u81ea\u65cb\u8f68\u9053\u8026\u5408\u7684\u7cfb\u7edf\uff0c\u8fd9\u662f\u4e00\u4e2a\u610f\u60f3\u4e0d\u5230\u7684\u89c2\u5bdf\u7ed3\u679c\u3002\u5728\u6574\u4e2a\u8d85\u5bfc\u76f8\u4f4d\u4e0a\u89c2\u5bdf\u5230\u8fdd\u53cd\u4e86\u6ce1\u5229\u6781\u9650\uff0c\u8868\u660eMATTG\u4e0e\u5177\u6709\u5927\u8d85\u5bfc\u5e45\u5ea6\u914d\u5bf9\u7684\u53ef\u80fd\u7684\u8d5d\u9699\u76f8\u4f4d\u65e0\u5173\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u4f5c\u8005\u5728\u5927\u78c1\u573a\u4e2d\u89c2\u5bdf\u5230\u91cd\u5165\u8d85\u5bfc\u6027\uff0c\u5b83\u5b58\u5728\u4e8e\u8f83\u7a84\u7684\u8f7d\u6d41\u5b50\u5bc6\u5ea6\u548c\u4f4d\u79fb\u573a\u8303\u56f4\u5185\u3002\u8fd9\u4e9b\u53d1\u73b0\u8868\u660e\uff0cMATTG\u4e2d\u7684\u8d85\u5bfc\u6027\u53ef\u80fd\u662f\u7531\u4e00\u79cd\u5bfc\u81f4\u975e\u81ea\u65cb\u5355\u7ebf\u6001Cooper\u5bf9\u7684\u673a\u5236\u6240\u9a71\u52a8\uff0c\u5e76\u4e14\u5916\u90e8\u78c1\u573a\u4f1a\u5bfc\u81f4\u5177\u6709\u6f5c\u5728\u4e0d\u540c\u987a\u5e8f\u53c2\u6570\u7684\u76f8\u4e4b\u95f4\u7684\u8f6c\u53d8\u3002\u8be5\u7814\u7a76\u7ed3\u679c\u8bc1\u660e\u4e86moir\u00e9\u8d85\u5bfc\u7684\u4e30\u5bcc\u6027\uff0c\u5e76\u4e14\u53ef\u80fd\u6709\u52a9\u4e8e\u8bbe\u8ba1\u4e0b\u4e00\u4ee3\u5947\u5f02\u91cf\u5b50\u7269\u8d28\u3002\u7814\u7a76\u6210\u679c\u4ee5\u9898\u76ee\u4e3a\u201cPauli-limit violation and re-entrant superconductivity in moir\u00e9 graphene\u201d<\/strong>\u53d1\u8868\u5728\u56fd\u9645\u9876\u7ea7\u671f\u520aNature<\/strong>\u4e0a\u3002<\/p>\n

\u3010\u56fe\u6587\u901f\u9012\u3011<\/strong><\/p>\n

\u56fe\u4e00\u3001\u9ad8\u9762\u5185\u78c1\u573a\u4e0bMATTG\u7684\u8d85\u5bfc\u6027<\/strong>
\n \"\"\uff08a\uff09\u5b9e\u9a8c\u7cfb\u7edf\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08b, d\uff09T=300 mK\u65f6\uff0cB\u2016=0 T\u548cB\u2016=10 T\u65f6\u7684\u7eb5\u5411\u7535\u963bR<\/em>xx<\/sub>\uff1b<\/p>\n

\uff08c\uff09\u5728\u03bd=-2.4\u3001D\/\u03b50<\/sub>=-0.44 V nm-1<\/sup>\u548cT=300 mK\u3001\u4e0d\u540cB\u2016\u503c\u65f6\u7535\u538b-\u7535\u6d41\uff08V<\/em>xx<\/sub>–I<\/em>\uff09\u66f2\u7ebf\uff1b<\/p>\n

\uff08e\uff09\u7a7a\u7a74\u63ba\u6742\u4fa7\u7684\u8d85\u5bfc\u6027\u968fB\u2016\u7684\u6f14\u53d8\u3002<\/p>\n

\u56fe\u4e8c\u3001MATTG\u4e2d\u5927\u7684\u6ce1\u5229\u6781\u9650\u8fdd\u53cd<\/strong>
\n \"\"\uff08a\uff09\u8d85\u5bfc\u5706\u9876\u7684\u6f14\u53d8\u4f5c\u4e3aB\u2016\u7684\u51fd\u6570\uff1b<\/p>\n

\uff08b\uff09\u5728\u03bd=-2.28\u5904\u7684B\u2016-T\u76f8\u56fe\uff1b<\/p>\n

\uff08c\uff09\u4ee51 T\u7684\u95f4\u8ddd\u5bf9\u5e94\u4e8e\uff08b\uff09\u7684\u7ebf\u5207\u5272\uff1b<\/p>\n

\uff08d\uff09\u5bf9\u4e8e\u03bd=-3\u65f6\uff0c\u4e0e\uff08b\uff09\u4e2d\u7ed3\u679c\u4e00\u81f4\uff1b<\/p>\n

\uff08e\uff09\u5bf9\u4e8e10%\u300120%\u548c30%\u7684\u7535\u963b\u9608\u503c\uff0c\u4f5c\u4e3a\u03bd\u7684\u51fd\u6570\u63d0\u53d6\u7684PVR\u3002<\/p>\n

\u56fe\u4e09\u3001\u51f9\u89d2\u8d85\u5bfc<\/strong>
\n \"\"\uff08a\uff09R<\/em>xx<\/sub>\u7ed8\u5236\u4e3aB\u2016\u548cT\u7684\u51fd\u6570\uff0c\u5728B\u2016\u8303\u56f45-10 T\u5185\uff1b<\/p>\n

\uff08b-c\uff09R<\/em>xx<\/sub>\u7684\u7ebf\u5207\u5272\u5728\u4e0d\u540c\u7684B\u2016\u503c\u4e0b\u5bf9T\u548c\u653e\u5927\u89c6\u56fe\u7ed8\u5236\uff0c\u663e\u793a\u4e86R<\/em>xx<\/sub>-T\u66f2\u7ebf\u5728BKT\u8f6c\u53d8\u6e29\u5ea6\u9644\u8fd1\u7684\u975e\u5355\u8c03\u884c\u4e3a\uff1b<\/p>\n

\uff08d\uff09\u5dee\u5206\u7535\u963bdV<\/em>xx<\/sub>\/dI<\/em>\u7ed8\u5236\u4e3aB\u2016\u7684\u51fd\u6570\uff0cI<\/em>\u663e\u793a\u51fa\u4e0e\u6e29\u5ea6\u76f8\u5173\u7684\u7c7b\u4f3c\u8d8b\u52bf\uff1b<\/p>\n

\uff08e-f\uff09dV<\/em>xx<\/sub>\/dI<\/em>\u7684\u7ebf\u5207\u5272\u5bf9I<\/em>\u548c\u4e0d\u540cB\u503c\u7684\u653e\u5927\u89c6\u56fe\uff0c\u663e\u793a\u51fa\u4e0e\uff08b-c\uff09\u4e2d\u7c7b\u4f3c\u7684\u975e\u5355\u8c03\u884c\u4e3a\u3002<\/p>\n

\u56fe\u56db\u3001MATTG\u4e2d\u8d85\u5bfc\u76f8\u4e4b\u95f4\u7684\u573a\u81f4\u8dc3\u8fc1<\/strong>
\n \"\"\uff08a\uff09\u5728\u6700\u4f73\u63ba\u6742\u03bd=-2.4\u65f6\uff0c\u7535\u963b\u4f5c\u4e3aD\u548cB\u2016\u7684\u51fd\u6570\uff1b<\/p>\n

\uff08b\uff09\u5728D\/\u03b50<\/sub>=-0.24 V nm-1<\/sup>\u65f6\u4f5c\u4e3a\u03bd\u548cB\u2016\u7684\u51fd\u6570\u7684\u7535\u963b\uff1b<\/p>\n

\uff08c\uff09R<\/em>xx<\/sub>\u5bf9B\u2016\u7684\u56fe\u7684\u6e29\u5ea6\u4f9d\u8d56\u6027\uff0c\u5728\uff08a\uff09\u548c\uff08b\uff09\u4e2d\u7528\u767d\u8272\u865a\u7ebf\u6807\u8bb0\u7684D\u548c\u03bd\u503c\u5904\uff1b<\/p>\n

\uff08d\uff09B\u2016-T\u76f8\u56fe\u968fD\u53d8\u5316\u7684\u6f14\u53d8\uff1b<\/p>\n

\uff08e\uff09|D|-B-T\u7a7a\u95f4\u4e2d\u8d85\u5bfc\u76f8\u76f8\u56fe\u7684\u4e09\u7ef4\uff083D\uff09\u793a\u610f\u56fe\u3002<\/p>\n

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

\u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u5728\u6574\u4e2a\u8d85\u5bfc\u76f8\u4e0a\u89c2\u5bdf\u5230\u4e86\u8fdd\u53cd\u6ce1\u5229\u6781\u9650\u73b0\u8c61\uff0c\u8868\u660e\u9b54\u89d2\u626d\u66f2\u4e09\u5c42\u77f3\u58a8\u70ef\uff08MATTG\uff09\u4e0e\u53ef\u80fd\u5b58\u5728\u7684\u5177\u6709\u5927\u8d85\u5bfc\u632f\u5e45\u914d\u5bf9\u7684\u4f2a\u95f4\u9699\u76f8\u65e0\u5173\u3002\u8fd9\u4e9b\u53d1\u73b0\u8868\u660e\uff0cMATTG\u7684\u8d85\u5bfc\u6027\u5f88\u53ef\u80fd\u662f\u7531\u4e00\u79cd\u5bfc\u81f4\u975e\u81ea\u65cb\u5355\u91cd\u6001Cooper\u5bf9\u7684\u673a\u5236\u9a71\u52a8\uff0c\u800c\u4e14\u5916\u90e8\u78c1\u573a\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5177\u6709\u4e0d\u540c\u6709\u5e8f\u53c2\u6570\u7684\u76f8\u4e4b\u95f4\u7684\u76f8\u53d8\u3002\u8be5\u7814\u7a76\u7ed3\u679c\u5c55\u793a\u4e86Moir\u00e9\u8d85\u5bfc\u6027\u7684\u4e30\u5bcc\u6027\uff0c\u5e76\u4e14\u6709\u52a9\u4e8e\u5f15\u5bfc\u8bbe\u8ba1\u4e0b\u4e00\u4ee3\u5947\u5f02\u91cf\u5b50\u7269\u8d28\u3002\u6b64\u5916\uff0c\u4e3a\u786e\u5b9aMATTG\u4e0d\u540c\u8d85\u5bfc\u76f8\u7684\u5b8c\u5168\u914d\u5bf9\u5bf9\u79f0\u6027\uff0c\u8fd8\u9700\u8981\u8fdb\u4e00\u6b65\u7684\u7814\u7a76\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aPauli-limit violation and re-entrant superconductivity in moir\u00e9 graphene<\/a><\/strong>. Nature<\/em>, 2021<\/strong>, DOI: 10.1038\/s41586-021-03685-y.<\/p>\n

\u672c\u6587\u7531CQR\u7f16\u8bd1\u3002<\/p>\n

\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1\uff1atougao@cailiaoren.com.<\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u80cc\u666f\u4ecb\u7ecd\u3011 \u91cf\u5b50\u6750\u6599\u7684\u6700\u65b0\u8fdb\u5c55\u662f\u901a\u8fc7\u5806\u53e0\u5177\u6709\u626d\u66f2\u89d2\u6216\u6676\u683c\u5931\u914d\u7684\u4e8c\u7ef4\uff082D\uff09\u6750\u6599\u6765\u6784\u5efa\u4eba\u9020\u7684moir\u00e9\u8d85\u6676\u683c\u3002\u5728\u67d0\u4e9bmoir\u00e9\u8d85\u6676\u683c\u4e2d\uff0c\u5e73\u5e26\u7684\u51fa\u73b0\u4f1a\u5f15\u8d77\u76f8\u5173\u7edd\u7f18…<\/p>\n","protected":false},"author":7770,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215,2],"tags":[4701],"class_list":["post-225007","post","type-post","status-publish","format-standard","hentry","category-jiedu","category-keji","tag-mattg"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/225007"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/7770"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=225007"}],"version-history":[{"count":3,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/225007\/revisions"}],"predecessor-version":[{"id":225014,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/225007\/revisions\/225014"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=225007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=225007"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=225007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}