{"id":14384,"date":"2016-05-20T08:00:41","date_gmt":"2016-05-20T00:00:41","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=14384"},"modified":"2016-05-20T17:23:32","modified_gmt":"2016-05-20T09:23:32","slug":"nature-communications-%e7%9f%b3%e5%a2%a8%e7%83%af%e8%87%aa%e6%97%8b%e5%91%a8%e6%9c%9f%e5%90%84%e5%90%91%e5%bc%82%e6%80%a7%e5%87%8f%e5%bc%b1","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=14384","title":{"rendered":"Nature Communications-\u77f3\u58a8\u70ef\u81ea\u65cb\u5468\u671f\u5404\u5411\u5f02\u6027\u51cf\u5f31"},"content":{"rendered":"

\u5bf9\u4e8e\u77f3\u58a8\u70ef\u548c\u81ea\u65cb\u7535\u5b50\u7fa4\u4f53\uff0c\u6700\u5177\u5438\u5f15\u4eba\u7684\u4e00\u4e2a\u95ee\u9898\u662f\u5728\u77f3\u58a8\u70ef\u4e2d\u8bc6\u522b\u81ea\u65cb\u5f1b\u8c6b\u7684\u4e3b\u8981\u663e\u5fae\u8fc7\u7a0b\u3002\u4f20\u7edf\u7684\u5f1b\u8c6b\u673a\u5236\u5e94\u7528\u5230\u5355\u5c42\u77f3\u58a8\u70ef\u65f6\u83b7\u5f97\u7684\u7ed3\u679c\u6bd4\u8f83\u77db\u76fe\u3002\u8fd1\u65e5\uff0c\u53d1\u8868\u5728Nature Communications<\/i><\/em>\u4e0a\u7684\u4e00\u7bc7\u6587\u7ae0\u6307\u51fa\uff0c\u77f3\u58a8\u70ef\u4e2d\u81ea\u65cb\u6781\u5316\u5404\u5411\u5f02\u6027\u6240\u5177\u6709\u7684\u81ea\u65cb\u5468\u671f\uff0c\u5c06\u6709\u671b\u4ea7\u751f\u89e3\u51b3\u4e0a\u8ff0\u95ee\u9898\u7684\u6709\u4ef7\u503c\u4fe1\u606f\u3002<\/p>\n

\u6587\u7ae0\u8bba\u8bc1\u4e86\u77f3\u58a8\u70ef\u4e2d\u81ea\u65cb\u5468\u671f\u5404\u5411\u5f02\u6027\u7684\u6d4b\u91cf\uff0c\u5e76\u9274\u4e8e\u5f53\u524d\u7684\u7406\u8bba\u77e5\u8bc6\u5bf9\u5b83\u4eec\u8fdb\u884c\u4e86\u8ba8\u8bba\uff0c\u901a\u8fc7\u4f7f\u7528\u4e00\u79cd\u57fa\u4e8e\u659c\u81ea\u65cb\u8fdb\u52a8\u7684\u65b0\u65b9\u6cd5\u786e\u5b9a\u4e86\u5404\u5411\u5f02\u6027\u3002\u76f8\u6bd4\u4e4b\u524d\u4f7f\u7528\u7684\u65b9\u6cd5\uff0c\u8fd9\u79cd\u65b0\u65b9\u6cd5\u4e0d\u9700\u8981\u5927\u5e73\u9762\u5916\u78c1\u573a\uff0c\u56e0\u6b64\u5bf9\u4f4e\u6216\u8005\u9ad8\u8f7d\u4f53\u5bc6\u5ea6\u6765\u8bf4\uff0c\u5176\u90fd\u662f\u53ef\u9760\u7684\u3002<\/p>\n

\u4e3a\u4e86\u80fd\u591f\u4f7f\u81ea\u65cb\u5468\u671f\u5411\u7406\u8bba\u6781\u9650\u53d1\u5c55\uff0c\u5e76\u627e\u5230\u63a7\u5236\u81ea\u65cb\u5bff\u547d\u7684\u65b9\u6cd5\uff0c\u63a7\u5236\u6c89\u79ef\u5438\u9644\u539f\u5b50\u7684\u6570\u91cf\u6765\u6d4b\u91cf\u7279\u5b9a\u57fa\u677f\u81ea\u65cb\u5f1b\u8c6b\u5404\u5411\u5f02\u6027\u5c31\u53d8\u5f97\u81f3\u5173\u91cd\u8981\u3002\u8fd9\u4e5f\u662f\u6700\u7ec8\u5f00\u53d1\u4f9d\u8d56\u4e8e\u77f3\u58a8\u70ef\u51fa\u73b0\u81ea\u65cb\u57fa\u4fe1\u606f\u5904\u7406\u534f\u8bae\u65b0\u65b9\u6cd5\u7684\u8def\u5f84\u3002<\/p>\n

\u3010\u6587\u732e\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n

\u56fe1\u00a0\u81ea\u65cb\u8fdb\u52a8\u548c\u81ea\u65cb\u5468\u671f\u5404\u5411\u5f02\u6027\u6d4b\u91cf\u539f\u7406<\/strong><\/p>\n

\"\u56fe\u72471\"<\/p>\n

\uff08a\uff09<\/strong>\u4f20\u7edf\u81ea\u65cb\u8fdb\u52a8\u5b9e\u9a8c\uff0c\u78c1\u573aB\u22a5\u5782\u76f4\u4e8e\u65bd\u52a0\u4e8e\u77f3\u58a8\u70ef\u5e73\u9762\uff08\u7d2b\u8272\u7bad\u5934\uff09\u3002\u5145\u7535\u7535\u6d41\uff08\u9ed1\u8272\u76f4\u7bad\u5934\uff09\u901a\u8fc7\u4e00\u4e2a\u94c1\u78c1\u7535\u6781\uff08F1\uff09\u6ce8\u5165\u4e0e\u78c1\u573a\u65b9\u5411\u5e73\u884c\u7684\u81ea\u65cb\uff0c\u5176\u6cbf\u55b7\u5c04\u5668\u7535\u6781\u6613\u78c1\u5316\u8f74\uff08\u5373\u957f\u8f74\uff09\u56fa\u5b9a\uff1b\u5f53\u671d\u63a2\u6d4b\u5668\u7535\u6781\uff08F2\uff09\u6269\u6563\u65f6\uff0c\u6ce8\u5165\u7684\u81ea\u65cb\uff08\u7ea2\u7bad\u5934\uff09\u5728\u78c1\u573aB\u22a5\u5468\u56f4\u7ecf\u5386\u62c9\u83ab\u5c14\u8fdb\u52a8\uff1b\u8fdb\u52a8\u89d2\u03c6\u968f\u78c1\u573a\u5f3a\u5ea6B\u22a5\u53d8\u5316\u800c\u53d8\u5316\uff0c\u5982\u6b64\u8c03\u5236\u5728F2\u68c0\u6d4b\u5230\u7684\u4fe1\u53f7\uff1b\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u8fdb\u52a8\u4ec5\u5728\u77f3\u58a8\u70ef\u5e73\u9762\u8fdb\u884c\uff0c\u4e5f\u4ec5\u4ec5\u5bf9\u5e73\u884c\u5f1b\u8c6b\u65f6\u95f4\u654f\u611f\uff08\u89c1\u63d2\u56fe\uff09\u3002<\/p>\n

\uff08b\uff09<\/strong>\u659c\u81ea\u65cb\u8fdb\u52a8\u5b9e\u9a8c\u793a\u610f\u56fe\u3002\u573a\u5f3aB<\/b><\/strong>\u65bd\u52a0\u5728\u542b\u6709\u94c1\u78c1\u7535\u6781\u6613\u78c1\u5316\u8f74\u7684\u5e73\u9762\uff0c\u5176\u5782\u76f4\u4e8e\u57fa\u5e95\uff1b\u5bf9\u4e8e\u4e00\u4e2a\u659c\u573a\uff0c\u5373 \u03b2\u22600,90\u00b0\uff08\u89c1\u63d2\u56fe\uff09\uff0c\u5f53\u5b83\u4eec\u671dF2\u6269\u6563\u65f6\uff0c\u81ea\u65cb\u8fdb\u5ea6\u504f\u79bb\u5e73\u9762\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6709\u6548\u81ea\u65cb\u5468\u671f\u5bf9\u5e73\u884c\u6216\u8005\u5782\u76f4\u81ea\u65cb\u751f\u547d\u5468\u671f\u03c4sll<\/sub>\u3001\u03c4s\u22a5<\/sub>\u90fd\u6bd4\u8f83\u654f\u611f\uff0c\u81ea\u65cb\u5f1b\u8c6b\u5404\u5411\u5f02\u6027\u53ef\u4ee5\u901a\u8fc7\u5b9e\u9a8c\u83b7\u5f97\u3002<\/p>\n

\u56fe2 \u8bbe\u5907\u793a\u610f\u56fe\u548c\u81ea\u65cb\u4f20\u8f93<\/strong><\/p>\n

\"\u56fe\u72472\"<\/p>\n

\uff08a\uff09<\/strong>\u975e\u5c40\u90e8\u81ea\u65cb\u8bbe\u5907\u51e0\u4f55\u4fa7\u9762\u793a\u610f\u56fe\u5c55\u793a\u4e86\u4e24\u4e2a\u5916\u90e8\u6b63\u5e38\u91d1\u5c5e\u7535\u6781\uff08E1\uff0cE4\uff09\uff0c\u5185\u90e8\u94c1\u78c1\u6ce8\u5c04\u5668\uff08E2\uff09\u548c\u63a2\u6d4b\u5668\uff08E3\uff09\u7535\u6781\uff1b\u975e\u5c40\u90e8\u88c5\u7f6e\u663e\u793a\u7684\u8fde\u63a5\u7ebf\uff0c\u5728E1\u548cE2\u4e4b\u95f4\u91cc\u9762\u901a\u6709\u7535\u6d41I\uff0c\u5728E3\u548cE4\u4e4b\u95f4\u6240\u6d4b\u5f97\u975e\u5c40\u90e8\u7535\u538b\u4e3aVnl<\/sub>\uff1b\u7528\u6765\u6d4b\u91cf\u7684\u975e\u5c40\u90e8\u8bbe\u5907\u4e5f\u5df2\u5149\u5b66\u56fe\u50cf\u7684\u65b9\u5f0f\u5448\u73b0\u51fa\u6765\uff0cL=11um\u3002<\/p>\n

\uff08b\uff09<\/strong>\u6807\u51c6\u5316\u7684\u77f3\u58a8\u70ef\u65b9\u5757\u7535\u963bRsq<\/sub>\u4e0e\u78c1\u573aB\u7684\u5173\u7cfb\uff0cVg<\/sub>-VCNP<\/sub>=2.5\uff0c42.5\uff0c22.5V\uff08\u4ece\u9876\u7aef\u5230\u5e95\u7aef\uff09\uff1b\u5bf9\u4e8eVg<\/sub>-VCNP<\/sub>\uff0c\u78c1\u963b\u6700\u5927\u3002<\/p>\n

\uff08c\uff09<\/strong>\u975e\u5c40\u90e8\u7535\u963bR<\/i><\/em>nl\u00a0<\/i><\/sub><\/em>\u2261Vnl<\/sub>\/I\uff0c\u5176\u4e3a\u5728\u6805\u538bVg\u4e0b\u626b\u8fc7\u65bd\u52a0\u5728\u5e73\u9762\u4e0a\u78c1\u573aB\u7684\u51fd\u6570\uff0c\u6bd4\u5982Vg<\/sub>-VCNP<\/sub>=-25V\uff0c\u5176\u4e2dVCNP<\/sub>\u4e3a\u7535\u4e2d\u6027\u533a\u57df\u70b9\uff08CNP\uff09\u7684\u4f4d\u7f6e\u7535\u538b\uff0cT=300K\uff0cI=10uA\u3002<\/p>\n

\u56fe3 \u5782\u76f4\u78c1\u573a\u4e0b\u7684\u81ea\u65cb\u8fdb\u52a8<\/strong><\/p>\n

\"\u56fe\u72473\"<\/p>\n

\uff08a\uff09<\/strong>\u975e\u5c40\u90e8\u7535\u963b\u53d8\u5316\u91cf\u4e3a\u6805\u538bVg\u7684\u51fd\u6570\uff0c\uff1b\u56fe\u4e2d\u663e\u793a\u7684\u4e3a\u4eceR<\/i><\/em>nl<\/i><\/sub><\/em>\u4e2d\u5206\u51fa\u7684\u4e0e\u5728\u5e73\u9762\u4e0a\u6d4b\u5f97\u7684\u78c1\u573a\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u5176\u53cd\u6620\u4e86\u5f53\u94c1\u78c1\u7535\u6781\u7684\u76f8\u5bf9\u78c1\u5316\u65b9\u5411\u7531\u5e73\u884c\uff08\u2191\u2191\uff09\u8f6c\u53d8\u5230\u53cd\u5e73\u884c\uff08\u2193\u2191\uff09\u65f6\u7684\u4fe1\u53f7\u53d8\u5316\u3002<\/p>\n

\uff08b\uff09<\/strong>\u4f20\u7edf\u7684\u81ea\u65cb\u8fdb\u52a8\u6d4b\u91cf\u4f7f\u7528\u5782\u76f4\u78c1\u573aB\u22a5\u4e0a\uff08\u7a7a\u5fc3\u7b26\u53f7\uff09\u4e0b\uff08\u5b9e\u5fc3\u7b26\u53f7\uff09\u626b\u8fc7\uff0c\u5b8c\u6574\u7684\u81ea\u65cb\u79fb\u76f8\u53d1\u751f\u5728\u78c1\u573a\u5f3a\u5ea6\u5927\u4e8eBd<\/sub>\uff08~0.1T\uff09\u3002<\/p>\n

\uff08c\uff09<\/strong>\u5e73\u9762\u81ea\u65cb\u5f1b\u8c6b\u65f6\u95f4\u03c4sll<\/sub>\uff0c\u81ea\u65cb\u6269\u6563\u7cfb\u6570Ds\uff0c\u4ee5\u53ca\u81ea\u65cb\u5f1b\u8c6b\u957f\u5ea6\u7684\u5173\u7cfb\u4e3a\uff0c\u7531\u56fe\uff08b\uff09\u4e2d\u81ea\u9009\u8fdb\u5ea6\u6d4b\u91cf\u83b7\u5f97\u3002<\/p>\n

\u56fe4 \u659c\u78c1\u573a\u4e0b\u6d4b\u91cf\u81ea\u65cb\u8fdb\u52a8<\/strong><\/p>\n

\"\u56fe\u72471\"<\/p>\n

 <\/p>\n

\uff08a\uff09<\/strong>\u5b9e\u9a8c\u81ea\u65cb\u8fdb\u52a8\u66f2\u7ebf\uff0c\u03b2=30\u00b0\uff0c45\u00b0\uff0c60\u00b0\uff0c75\u00b0\uff0c90\u00b0\uff0c\u5176\u4e2dT=300K\uff0cVg<\/sub>-VCNP<\/sub>=-17.5V\uff0c\u6ce8\u5c04\u5668\u7535\u6d41I=10uA\uff0c\u5e73\u884c\u7535\u6781\u88c5\u7f6e\uff1b\u6c34\u5e73\u865a\u7ebf\u4e3aB=0\u65f6\uff0c\u975e\u5c40\u90e8\u7535\u963bR<\/i><\/em>nl<\/sub>\uff0c\u5176\u5bf9\u5e94\u5e73\u884c\u88c5\u7f6e\u4e0b\u03b2=0\u00b0\u65f6\u7684R<\/i><\/em>nl<\/sub>\u3002<\/p>\n

\uff08b\uff09<\/strong>\u5728\u56fa\u5b9a\u78c1\u573a\u5f3a\u5ea6B=175mT>Bd<\/sub>\uff0c\u89d2\u5ea6\u4e0eRnl<\/sub>\u7684\u5173\u7cfb\u7531Vg<\/sub>\u4f53\u73b0\u51fa\u6765\u3002<\/p>\n

\u00a0 \u00a0\u78c1\u573a\u5f3a\u5ea6\u5728\u56fe\uff08a\uff09<\/strong>\u4e2d\u4ee5\u5782\u76f4\u865a\u7ebf\u793a\u51fa\uff0cVg<\/sub>-VCNP<\/sub>=47.5\uff0c37.5\uff0c17.5\uff0c7.5V\u3002<\/p>\n

\u56fe5 \u81ea\u65cb\u5468\u671f\u5404\u5411\u5f02\u6027\u6bd4\u7387\u00a0\u03b6<\/strong><\/p>\n

\"\u56fe\u72474\"<\/p>\n

\uff08a\uff09<\/strong>\u5c06\u56fe4\uff08b\uff09\u4e2d\u7684\u6570\u636e\u6807\u51c6\u5316\u4e3a1\uff0c\u4f5c\u4e3acos2\u03b2*\uff0c\u5176\u4e2d\u03b2*=\u03b2-\u03b3\uff08\u03b2,\u00a0B\uff09\uff0c\u5bf9\u4e8e\u6307\u793a\u503c\u03b6\uff0c\u7070\u8272\u7ebf\u4ee3\u8868R\u03b2nl\uff0c\u9ed1\u8272\u76f4\u7ebf\u5bf9\u5e94\u03b6=1.<\/p>\n

\uff08b\uff09<\/strong>\u5206\u79bb\u51fa\u7684\u5404\u5411\u5f02\u6027\u6bd4\u7387 \u03b6 \u4e3aT=300K\uff08\u5b9e\u7684\u5706\u5708\uff09\u548cT=150K\uff08\u7a7a\u65b9\u6846\uff09\u65f6\u7535\u538bVg<\/sub>\u7684\u51fd\u6570\uff1b<\/p>\n

\u56fe\uff08a\uff09,<\/strong>\uff08b\uff09<\/strong>\u4e2d\u7684\u84dd\u8272\u5b9e\u7ebf\u8868\u793a\u5bf9\u4e8e\u5e73\u9762\u81ea\u65cb\u8f68\u9053\u573a\u671f\u671b\u503c\u00a0\u03b6=0.5\uff0c\u7070\u8272\u533a\u57df\u8868\u793a0.9<\u03b6<1.03\uff0c\u8bef\u5dee\u7ebf\u5bf9\u5e94\u56fe\uff08a\uff09<\/strong>\u4e2d\u62df\u5408\u5e73\u5747\u503c\u7684\u6807\u51c6\u8bef\u5dee\uff0c\u8bef\u5dee\u4e3b\u8981\u6765\u6e90\u4e8e\u6d4b\u91cf\u7684\u566a\u97f3\uff0c\u03bbs||<\/sub>\uff0c\u03b2\uff0c\u03b3\u4f20\u64ad\u7684\u4e0d\u786e\u5b9a\u6027\u5bf9\u4e8e \u03b6 \u4e2d\u7684\u8bef\u5dee\u4ea7\u751f\u4e86\u8fb9\u9645\u8d21\u732e\u3002\u6240\u6709\u5448\u73b0\u7684\u7ed3\u679c\u5747\u6765\u81ea\u540c\u4e00\u4e2a\u8bd5\u6837\u3002<\/p>\n

\u8bba\u6587\u94fe\u63a5\uff1aDetermination of the spin-lifetime anisotropy in graphene using oblique spin precession<\/a><\/p>\n

\u65b0\u95fb\u7f51\u5740\uff1aSpin lifetime anisotropy of graphene is much weaker than previously reported<\/a><\/p>\n

\u611f\u8c22\u7f16\u8f91\u90e8\u5c09\u8c37\u96e8\u63d0\u4f9b\u7684\u7d20\u6750\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5bf9\u4e8e\u77f3\u58a8\u70ef\u548c\u81ea\u65cb\u7535\u5b50\u7fa4\u4f53\uff0c\u6700\u5177\u5438\u5f15\u4eba\u7684\u4e00\u4e2a\u95ee\u9898\u662f\u5728\u77f3\u58a8\u70ef\u4e2d\u8bc6\u522b\u81ea\u65cb\u5f1b\u8c6b\u7684\u4e3b\u8981\u663e\u5fae\u8fc7\u7a0b\u3002\u4f20\u7edf\u7684\u5f1b\u8c6b\u673a\u5236\u5e94\u7528\u5230\u5355\u5c42\u77f3\u58a8\u70ef\u65f6\u83b7\u5f97\u7684\u7ed3\u679c\u6bd4\u8f83\u77db\u76fe\u3002\u8fd1\u65e5\uff0c\u53d1\u8868\u5728Natur…<\/p>\n","protected":false},"author":54,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[46],"class_list":["post-14384","post","type-post","status-publish","format-standard","hentry","category-keji","tag-graphene"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/14384"}],"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\/54"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=14384"}],"version-history":[{"count":6,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/14384\/revisions"}],"predecessor-version":[{"id":14765,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/14384\/revisions\/14765"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14384"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14384"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14384"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}