{"id":179455,"date":"2019-07-16T06:30:53","date_gmt":"2019-07-15T22:30:53","guid":{"rendered":"\/\/m.iemloyee.com\/?p=179455"},"modified":"2019-07-15T22:11:47","modified_gmt":"2019-07-15T14:11:47","slug":"%e3%80%90%e5%9b%bd%e5%a4%96%e7%a8%bf%e4%bb%b6%e3%80%91nat-commun-%ef%bc%9a%e6%8b%93%e6%89%91%e8%b6%85%e5%af%bc%e4%bd%93%e7%95%8c%e9%9d%a2%e4%b8%8a%e7%9a%84%e9%9d%9e%e4%ba%92%e6%98%93%e7%94%b5","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=179455","title":{"rendered":"Nat. Commun.\uff1a\u62d3\u6251\u8d85\u5bfc\u4f53\u754c\u9762\u4e0a\u7684\u975e\u4e92\u6613\u7535\u8377\u4f20\u8f93"},"content":{"rendered":"

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

\u8fd1\u5e74\u6765\uff0c\u975e\u4e92\u6613\u7535\u8377\u4f20\u8f93\u6d4b\u91cf\u4f5c\u4e3a\u4e00\u79cd\u65b0\u7684\u68c0\u6d4b\u53cd\u5411\u5bf9\u79f0\u6027\u7834\u788e\u7cfb\u7edf\u7684\u81ea\u65cb\u5206\u88c2\u7684\u65b9\u6cd5\u5f97\u5230\u53d1\u5c55\u3002\u8003\u8651\u5230\u7535\u5b50\u80fd\u5e26\u7ed3\u6784\u5177\u6709\u81ea\u65cb\u5206\u88c2\u7684\u4e0d\u5bf9\u79f0\u6027\uff0c\u7535\u963b\u7cfb\u6570\u9884\u8ba1\u4f1a\u968f\u7535\u6d41\u548c\u78c1\u573a\u65b9\u5411\u800c\u53d8\u5316\u3002\u4f8b\u5982\uff0c\u5728\u5177\u6709Rashba\u578b\u81ea\u65cb\u5206\u88c2\u6750\u6599(\u5982\u5927\u5757Rashba\u534a\u5bfc\u4f53\u3001\u754c\u9762\u548cTI\u8868\u9762)\u4e2d\uff0c\u5b9e\u9a8c\u68c0\u6d4b\u5230\u975e\u4e92\u6613\u7535\u963b\u3002\u5728\u5782\u76f4\u4e8e\u7535\u6d41\u7684\u5e73\u9762\u5185\u78c1\u573a\u4e0b\uff0c\u7535\u963b\u7684\u5927\u5c0f\u53d6\u51b3\u4e8e\u4e0e\u5916\u90e8\u78c1\u573a\u5e73\u884c\u6216\u53cd\u5e73\u884c\u7684\u81ea\u65cb\u5806\u79ef\u65b9\u5411\u3002\u56e0\u6b64\uff0c\u8be5\u65b9\u6cd5\u53ef\u4ee5\u4f5c\u4e3a\u89d2\u5206\u8fa8\u5149\u7535\u5b50\u80fd\u8c31(ARPES)\u548c\u626b\u63cf\u96a7\u9053\u663e\u5fae\u955c(STM)\u7684\u66ff\u4ee3\u65b9\u6848\uff0c\u901a\u8fc7\u4f20\u8f93\u6d4b\u91cf\u6765\u8ba8\u8bba\u81ea\u65cb\u5206\u88c2\u7684\u5f71\u54cd\u3002\u6b64\u5916\uff0c\u5728\u624b\u6027\u7eb3\u7c73\u7ba1\u548c\u8fc7\u6e21\u91d1\u5c5e\u53cc\u5364\u4ee3\u70f7\u7b49\u975e\u4e2d\u5fc3\u5bf9\u79f0\u8d85\u5bfc\u4f53\u4e2d\u4e5f\u5b58\u5728\u975e\u4e92\u6613\u4f20\u8f93\u73b0\u8c61\uff0c\u8868\u660e\u8be5\u63a2\u9488\u540c\u6837\u9002\u7528\u4e8e\u53cd\u8f6c\u5bf9\u79f0\u65ad\u88c2\u8d85\u5bfc\u4f53\u7684\u68c0\u6d4b\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u4e1c\u4eac\u5927\u5b66Kenji Yasuda\u6559\u6388\u56e2\u961f<\/strong>\u4ee5Bi2<\/sub>Te3<\/sub>\u548cFeTe\u754c\u9762\u7684\u7a81\u53d1\u6027\u8d85\u5bfc\u4e3a\u7814\u7a76\u76ee\u6807\u3002\u5f53\u4e09\u7ef4TI Bi2<\/sub>Te3<\/sub>\u751f\u957f\u5728\u94c1\u57fa\u8d85\u5bfc\u4f53\u573a\u6548\u5e94\u6676\u4f53\u7ba1\u7684\u6bcd\u4f53\u5316\u5408\u7269\u4e0a\u65f6\uff0c\u754c\u9762\u8d85\u5bfc\u6027\u88ab\u8bf1\u53d1\u3002\u7531\u4e8e\u62d3\u6251\u8868\u9762\u72b6\u6001\u4f4d\u4e8e\u754c\u9762\u5904\uff0c\u5b83\u4eec\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u4f7f\u8be5\u7cfb\u7edf\u6210\u4e3aTSC\u7684\u6709\u529b\u5019\u9009\u8005\u3002\u7136\u800c\uff0c\u76ee\u524d\u8fd8\u4e0d\u6e05\u695a\u81ea\u65cb-\u52a8\u91cf\u9501\u5b9a\u7684\u8868\u9762\u6001\u5982\u4f55\u5f71\u54cd\u8d85\u5bfc\u6027\u80fd\u3002\u4e3a\u4e86\u7814\u7a76\u5b83\u4eec\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\uff0c\u4f5c\u8005\u91c7\u7528\u4e86\u975e\u4e92\u6613\u7535\u8377\u4f20\u8f93\u3002\u7531\u4e8eARPES\u3001STM\u7b49\u8868\u9762\u654f\u611f\u65b9\u6cd5\u4e0d\u9002\u7528\u4e8e\u8fd9\u79cd\u63a9\u57cb\u754c\u9762\uff0c\u56e0\u6b64\u975e\u4e92\u6613\u4f20\u8f93\u5bf9\u8be5\u7cfb\u7edf\u5c24\u4e3a\u6709\u6548\u3002\u5927\u7684\u975e\u4e92\u6613\u4f20\u8f93\u4e0eBi2<\/sub>Te3<\/sub>\/FeTe\u7684\u8d85\u5bfc\u8f6c\u53d8\u6709\u5173\uff0c\u8fd9\u63ed\u793a\u4e86\u7531\u4e8e\u81ea\u65cb-\u52a8\u91cf\u9501\u5b9a\u5f15\u8d77\u7684\u8d85\u7535\u6d41\u5bc6\u5ea6\u7684\u7535\u6d41\u611f\u5e94\u8c03\u5236\uff0c\u4ee3\u8868\u4e86\u8d85\u5bfc\u6027\u548c\u62d3\u6251\u8868\u9762\u6001\u4e4b\u95f4\u7684\u7d27\u5bc6\u8054\u7cfb\u3002\u8be5\u6210\u679c\u8fd1\u65e5\u4ee5\u9898\u4e3a\u201cNonreciprocal charge transport at topological insulator\/superconductor interface<\/strong>\u201d\u53d1\u8868\u5728\u77e5\u540d\u671f\u520aNat. Commun.<\/strong>\u4e0a\u3002<\/p>\n

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

\u56fe\u4e00\uff1aBi2<\/sub>Te3<\/sub>\/FeTe\u5f02\u8d28\u7ed3\u4e2d\u7684\u975e\u4e92\u6613\u4f20\u8f93<\/strong>
\n \"\"
\n \uff08a\uff09Bi2<\/sub>Te3<\/sub>\/FeTe\u5f02\u8d28\u7ed3\u7684\u56fe\u793a\u3002
\n \uff08b\uff09FeTe\/CdTe\uff0cBi2<\/sub>Te3<\/sub>\/InP\u548cBi2<\/sub>Te3<\/sub>\/FeTe\/CdTe\u8584\u819c\u4e2d\u7535\u963b\u6e29\u5ea6\u4f9d\u8d56\u6027\u3002\u8d85\u5bfc\u6027\u548c\u62d3\u6251\u8868\u9762\u72b6\u6001\u51fa\u73b0\u5728Bi2<\/sub>Te3<\/sub>\u548cFeTe \u4e4b\u95f4\u7684\u754c\u9762\u5904\uff0c\u5982\u9ec4\u8272\u6240\u793a\u3002
\n \uff08c\uff09\u9762\u5185\u78c1\u573aB\u2009= 0,2,4,6,8,10,12\u548c\u200914T\u4e0bBi2<\/sub>Te3<\/sub>\/FeTe\u5f02\u8d28\u7ed3\u6784\u7684\u7535\u963b\u6e29\u5ea6\u4f9d\u8d56\u6027\u3002
\n \uff08d\uff09\u5728T=12K\u548cT=9.5K\u65f6Bi2<\/sub>Te3<\/sub>\/FeTe\u5f02\u8d28\u7ed3\u4e2dR2\u03c9<\/sup>\u7684\u78c1\u573a\u4f9d\u8d56\u6027\u3002<\/p>\n

\u56fe\u4e8c\uff1a\u975e\u4e92\u6613\u4f20\u8f93\u7684\u7535\u6d41\u5e45\u5ea6\u548c\u6e29\u5ea6\u4f9d\u8d56\u6027<\/strong>
\n \"\"
\n \uff08a\uff09\u4e8c\u6b21\u8c10\u6ce2\u7535\u963b\u5bf9\u7535\u6d41\u5f3a\u5ea6\u7684\u4f9d\u8d56\u5173\u7cfbR2\u03c9<\/sup>\u5728T = 9.5 K,\u548cB = 0.5 K\u7684\u6570\u636e\u3002
\n \uff08b\uff09\u5728T =9.5 K\u4e0bI = 40, 80, 120, 160\u548c200 \u03bcA\u65f6R2\u03c9<\/sup>\u7684\u78c1\u573a\u4f9d\u8d56\u6027\u3002
\n \uff08c\uff09\u5728T = 6.9, 7.2, 7.5, 7.8, 8.1, 8.5, 9, 9.5\u548c10 K\u4e0bI = 200 \u03bcA\u65f6R2\u03c9<\/sup>\/R\u03c9<\/sup>\u7684\u78c1\u573a\u4f9d\u8d56\u6027\u3002
\n \uff08d\uff09I = 200 \u03bcA\u65f6\u7684\u7535\u963b\u6e29\u5ea6\u4f9d\u8d56\u6027\u3002
\n \uff08e\uff09I = 200 \u03bcA\u65f6\u7684\u03b3\u503c\u6e29\u5ea6\u4f9d\u8d56\u6027\u3002<\/p>\n

\u56fe\u4e09\uff1a\u9ad8\u78c1\u573a\u4e0b\u7684\u975e\u4e92\u6613\u4f20\u8f93<\/strong>
\n \"\"
\n \uff08a\uff09I= 200 \u03bcA\u65f6\uff0c\u5728T = 9.5 K\u548cT = 10 K\u4e0b\u7b2c\u4e00\u6b21\u8c10\u6ce2\u78c1\u573a\u4f9d\u8d56\u963b\u529bR\u03c9<\/sup>\u3002
\n \uff08b\uff09I= 200 \u03bcA\u65f6\uff0c\u5728T = 9.5 K\u548cT = 10 K\u4e0b\u7b2c\u4e8c\u6b21\u8c10\u6ce2\u78c1\u573a\u4f9d\u8d56\u963b\u529bR2\u03c9<\/sup>\u3002
\n \uff08c\uff09I= 200 \u03bcA\u65f6\uff0c\u78c1\u573a\u5f3a\u5ea6\u548c\u6e29\u5ea6\u5728\u03b8 =90\u00b0\u65f6R\u03c9<\/sup>\u7b49\u9ad8\u7ebf\u3002
\n \uff08d\uff09I= 200 \u03bcA\u65f6\uff0c\u78c1\u573a\u5f3a\u5ea6\u548c\u6e29\u5ea6\u5728\u03b8 =90\u00b0\u65f6R2\u03c9<\/sup>\u7b49\u9ad8\u7ebf\u3002
\n \uff08e\uff09\u5728I \u2009=200 \u03bcA\u4e0b\uff0c\u9762\u5185\u78c1\u573a\u65b9\u5411\u4f9d\u8d56\u7684R2\u03c9<\/sup>\u5728B\u2009= 2 T\u548cB= 9 T\u7684xy\u5e73\u9762\u6d4b\u91cf\u3002
\n \uff08f\uff09\u5728I \u2009=200 \u03bcA\u4e0b\uff0c\u9762\u5916\u78c1\u573a\u65b9\u5411\u4f9d\u8d56\u7684R2\u03c9<\/sup>\u5728B\u2009= 2 T\u548cB= 9 T\u7684zy\u5e73\u9762\u6d4b\u91cf\u3002
\n \uff08f\uff09\u5728I =200\u03bcA\u4e0b\u6d4b\u91cf\u7684\u78c1\u573a\u5e73\u9762\u4e2d\u7684R2\u03c9<\/sup>\u548c\u03b8= 70\u00b0\u65f6\u7684\u6e29\u5ea6\u7684\u7b49\u9ad8\u7ebf\u56fe\u3002<\/p>\n

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

Bi2<\/sub>Te3<\/sub>\/FeTe\u7684\u8d85\u5bfc\u754c\u9762\u4e2d\u7684\u5927\u7684\u975e\u4e92\u6613\u7535\u8377\u4f20\u8f93\u53ef\u4ee5\u7528\u4f5c\u78c1\u63a7\u8d85\u5bfc\u4e8c\u6781\u7ba1\u548c\u4f4e\u6e29\u4e0b\u7684\u6574\u6d41\u5929\u7ebf\u3002\u975e\u4e92\u6613\u4f20\u8f93\u53ef\u4ee5\u901a\u8fc7\u81ea\u65cb-\u52a8\u91cf\u9501\u5b9a\u5f15\u8d77\u7684\u8d85\u7535\u6d41\u5bc6\u5ea6\u7684\u8c03\u5236\u6765\u89e3\u91ca\uff0c\u8bc1\u660e\u4e86\u8d85\u5bfc\u6027\u548c\u62d3\u6251\u8868\u9762\u72b6\u6001\u4e4b\u95f4\u7684\u7d27\u5bc6\u8054\u7cfb\u3002\u56e0\u6b64\uff0c\u5c06\u8d39\u7c73\u80fd\u7ea7\u8c03\u8282\u81f3\u8868\u9762\u72b6\u6001\u5c06\u4f7f\u76ee\u524d\u7cfb\u7edf\u6210\u4e3a\u7814\u7a76TSC\u548c\u76f8\u5173\u7684\u9a6c\u7ea6\u62c9\u7eb3\u8d39\u7c73\u5b50\u5f62\u6210\u7684\u7406\u60f3\u5e73\u53f0\u3002\u975e\u4e92\u6613\u4f20\u8f93\u6d4b\u91cf\u4e5f\u9002\u7528\u4e8e\u5176\u4ed6TSC\u5019\u9009\u6750\u6599\uff0c\u4f8b\u5982LaAlO3<\/sub>\/SrTiO3<\/sub>\u754c\u9762\uff0c\u8d85\u5bfc\u90bb\u8fd1\u8026\u5408Rashba\u7ebf\u548c\u62d3\u6251\u8868\u9762\u7b49\uff0c\u8fd9\u5c06\u6709\u52a9\u4e8e\u8ba8\u8bba\u81ea\u65cb\u5206\u88c2\u5bf9\u8d85\u5bfc\u6027\u80fd\u7684\u5f71\u54cd\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u5173\u4e8eBi2Te3\/FeTe\u7684\u72ec\u7acb\u7684ARPES\u7814\u7a76\uff0c\u8868\u660e\u7535\u8377\u4eceFeTe\u8f6c\u79fb\u5230Bi2<\/sub>Te3<\/sub>\u4f1a\u5728\u7a7a\u7a74\u63ba\u6742FeTe\u4e2d\u8bf1\u5bfc\u754c\u9762\u8d85\u5bfc\u3002\u754c\u9762\u8d85\u5bfc\u7535\u6027\u5bf9Bi2<\/sub>Te3<\/sub>\u7684\u8868\u9762\u72b6\u6001\u4ea7\u751f\u4e86\u63a5\u8fd1\u6548\u5e94\uff0c\u8fd9\u4e0e\u672c\u7814\u7a76\u7684\u5185\u5bb9\u4e00\u81f4\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aNonreciprocal charge transport at topological insulator\/superconductor interface<\/a> (Nature Communications 2019<\/strong>, DOI: 10.1038\/s41467-019-10658-3)<\/p>\n

\u672c\u6587\u7531\u5927\u5175\u54e5\u4f9b\u7a3f\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<\/a>\u3002<\/p>\n

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

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