{"id":153744,"date":"2018-09-22T06:06:09","date_gmt":"2018-09-21T22:06:09","guid":{"rendered":"\/\/m.iemloyee.com\/?p=153744"},"modified":"2018-09-21T22:06:24","modified_gmt":"2018-09-21T14:06:24","slug":"%e8%87%aa%e6%97%8b%e7%94%b5%e5%ad%90%e5%ad%a6natrue%e5%8f%8d%e9%93%81%e7%a3%81%e6%b0%a7%e5%8c%96%e9%93%81%e4%b8%ad%e7%9a%84%e5%8f%af%e8%b0%83%e9%95%bf%e7%a8%8b%e8%87%aa%e6%97%8b%e8%be%93%e8%bf%90","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=153744","title":{"rendered":"\u81ea\u65cb\u7535\u5b50\u5b66Natrue:\u53cd\u94c1\u78c1\u6c27\u5316\u94c1\u4e2d\u7684\u53ef\u8c03\u957f\u7a0b\u81ea\u65cb\u8f93\u8fd0"},"content":{"rendered":"

\u3010\u5f15\u8a00<\/strong>\u3011<\/p>\n

\u81ea\u65cb\u7535\u5b50\u5b66\u662f\u57fa\u4e8e\u81ea\u65cb\u8f93\u8fd0\u7684\u65b0\u5174\u79d1\u5b66\u6280\u672f\u3002\u6240\u8c13\u81ea\u65cb\u5176\u5b9e\u662f\u7535\u5b50\u7684\u5185\u7980\u89d2\u52a8\u91cf\uff0c\u4e0e\u8d28\u91cf\u3001\u7535\u8377\u4e00\u6837\u662f\u7535\u5b50\u81ea\u8eab\u56fa\u6709\u6027\u8d28\u3002\u7535\u5b50\u81ea\u65cb\u8f93\u8fd0\u88ab\u8ba4\u4e3a\u4e0e\u4f20\u7edf\u7535\u5b50\u5668\u4ef6\u4e2d\u7535\u5b50\u7535\u8377\u8f93\u8fd0\u76f8\u7c7b\u4f3c\uff0c\u4e5f\u53ef\u4f5c\u4e3a\u8f7d\u4f53\u7528\u4e8e\u4fe1\u606f\u4f20\u8f93\uff0c\u6839\u636e\u81ea\u65cb\u8f6c\u79fb\u8fd9\u4e00\u7279\u6027\u8bbe\u8ba1\u5f00\u53d1\u7684\u65b0\u578b\u7535\u5b50\u5668\u4ef6\u53ef\u6709\u671b\u4f5c\u4e3a\u73b0\u6709\u7535\u5b50\u5668\u4ef6\u7684\u5347\u7ea7\u66ff\u4ee3\u4ea7\u54c1\u3002\u7c7b\u4f3c\u4e8e\u7535\u6d41\uff0c\u901a\u8fc7\u81ea\u65cb\u970d\u5c14\u6548\u5e94\u7535\u5b50\u53d1\u751f\u7279\u5b9a\u7684\u504f\u8f6c\uff0c\u4ece\u800c\u4ea7\u751f\u81ea\u65cb\u6d41\uff08Spin current\uff09\u3002\u81ea\u65cb\u6d41\u4f5c\u4e3a\u81ea\u65cb\u4fe1\u606f\u4f20\u8f93\u7684\u6838\u5fc3\uff0c\u662f\u53d1\u5c55\u57fa\u4e8e\u81ea\u65cb\u8ba1\u7b97\u5668\u4ef6\u7684\u5173\u952e\u3002\u8fd1\u5e74\u6765\uff0c\u7814\u7a76\u4eba\u5458\u53d1\u73b0\u5728\u94c1\u78c1\u7edd\u7f18\u4f53\u4e2d\u53ef\u901a\u8fc7\u6e29\u5ea6\u68af\u5ea6\u9a71\u52a8\u81ea\u65cb\u7684\u5b9a\u5411\u8fd0\u52a8\uff0c\u4ece\u800c\u4ea7\u751f\u81ea\u65cb\u6d41\u53ca\u5176\u957f\u7a0b\u8f93\u8fd0\uff08Long-distance transport\uff09\u73b0\u8c61\u3002\u76f8\u8f83\u4e8e\u94c1\u78c1\u7edd\u7f18\u4f53\uff0c\u53cd\u94c1\u78c1\u6027\u6709\u5e8f\u6750\u6599\u5177\u6709\u96f6\u51c0\u78c1\u77e9\u7684\u7279\u70b9\uff0c\u662f\u5e94\u7528\u4e8e\u81ea\u65cb\u7535\u5b50\u5b66\u5668\u4ef6\u7684\u7406\u60f3\u6750\u6599\u3002\u7136\u800c\uff0c\u53cd\u94c1\u78c1\u4f53\u4e2d\u81ea\u65cb\u8f93\u8fd0\u73b0\u8c61\u7684\u76f4\u63a5\u89c2\u6d4b\u76ee\u524d\u53ea\u9650\u4e8e\u51e0\u4e2a\u7eb3\u7c73\u7684\u8303\u56f4\uff0c\u4e25\u91cd\u5236\u7ea6\u4e86\u76f8\u5173\u6750\u6599\u7684\u53d1\u5c55\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u5fb7\u56fd\u7f8e\u56e0\u8328\u5927\u5b66\u7684<\/strong>R. Lebrun<\/strong>\u4ee5\u53caM. Klaui<\/strong>\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba\u5728\u53cd\u94c1\u78c1\u7edd\u7f18\u4f53\u8d64\u94c1\u77ff\uff08\u03b1-Fe2<\/sub>O3<\/sub>\uff09\u5355\u6676\u4e2d\u5229\u7528\u81ea\u65cb\u970d\u5c14\u6548\u5e94\u5c55\u793a\u4e86\u81ea\u65cb\u6d41\u7684\u957f\u7a0b\u4f20\u64ad\u884c\u4e3a\u3002\u9996\u5148\u7814\u7a76\u4eba\u5458\u5c06\u7535\u6d41\u901a\u8fc7\u8d64\u94c1\u77ff\u5355\u6676\u4e0a\u7684\u94c2\u4e1d\uff0c\u4e00\u65b9\u9762\u53ef\u4ee5\u5f15\u53d1\u81ea\u65cb\u970d\u5c14\u6548\u5e94\u4ea7\u751f\u6a2a\u5411\u81ea\u65cb\u6d41\uff0c\u9a71\u52a8\u81ea\u65cb\u5728\u94c2-\u8d64\u94c1\u77ff\u754c\u9762\u7d2f\u79ef\uff0c\u8fd9\u4e00\u7d2f\u79ef\u5bcc\u96c6\u8fc7\u7a0b\u80fd\u591f\u8fdb\u4e00\u6b65\u4ea7\u751f\u5e26\u6709\u51c0\u89d2\u52a8\u91cf\u7684\u81ea\u65cb\u6d41\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u901a\u8fc7\u94c2\u4e1d\u7684\u7535\u6d41\u8fd8\u80fd\u4f7f\u5f97\u94c2\u4e1d\u4ea7\u751f\u7126\u8033\u70ed\u5f15\u53d1\u6a2a\u5411\u6e29\u5ea6\u68af\u5ea6\u53d8\u5316\uff0c\u4ece\u800c\u53ef\u6839\u636e\u81ea\u65cb\u585e\u8d1d\u514b\u6548\u5e94\u4ea7\u751f\u81ea\u65cb\u6d41\u3002\u8fd9\u4e24\u79cd\u81ea\u65cb\u6d41\u53ca\u5176\u81ea\u65cb\u7535\u538b\u6700\u7ec8\u5171\u540c\u6784\u6210\u4e86\u975e\u672c\u5730\u7535\u538b\uff08non-local voltage\uff09\uff0c\u53ef\u901a\u8fc7\u9006\u81ea\u65cb\u970d\u5c14\u6548\u5e94\u8fdb\u884c\u68c0\u6d4b\u3002\u57fa\u4e8e\u4ee5\u4e0a\u7b56\u7565\uff0c\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u8ba1\u7b97\u6d4b\u91cf\u53d1\u73b0\u8d64\u94c1\u77ff\u8fd9\u4e00\u7b80\u5355\u53cd\u94c1\u78c1\u7edd\u7f18\u4f53\u4f20\u8f93\u81ea\u65cb\u4fe1\u606f\u7684\u8ddd\u79bb\u53ef\u8fbe\u5230\u5fae\u7c73\u7ea7\u522b\uff0c\u4e0e\u590d\u6742\u94c1\u78c1\u4f53\u4e00\u6837\u9ad8\u6548\u30022018\u5e749\u670812\u65e5\uff0c\u76f8\u5173\u6210\u679c\u4ee5\u9898\u4e3a\u201cTunable long-distance spin transport in a crystalline antiferromagnetic iron oxide<\/strong>\u201d\u5728\u7ebf\u53d1\u8868\u5728Nature<\/strong>\u4e0a\u3002<\/p>\n

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

\u56fe1 <\/strong>\u7edd\u7f18\u53cd\u94c1\u78c1\u4f53\u4e2d\u7684\u81ea\u65cb\u8f93\u8fd0<\/strong><\/p>\n

\"\"<\/p>\n

(a)\u7531\u94c2\u4e1d\u4e0e\u8d64\u94c1\u77ff\u5355\u6676\u7ec4\u6210\u7684\u5b9e\u9a8c\u5668\u4ef6\u5e73\u53f0\u53ca\u5176\u4ea7\u751f\u81ea\u65cb\u6d41\u793a\u610f\u56fe\u3002\u5229\u7528\u81ea\u65cb\u970d\u5c14\u6548\u5e94\uff0c\u5de6\u8fb9\u94c2-\u8d64\u94c1\u77ff\u754c\u9762\u53d1\u751f\u81ea\u65cb\u79ef\u7d2f\u73b0\u8c61\uff0c\u6253\u7834\u53cd\u94c1\u78c1\u5bf9\u79f0\u6027\u3002\u901a\u8fc7\u5c06\u89d2\u52a8\u91cf\u8f6c\u79fb\u5230\u53cd\u94c1\u78c1\u4f53\uff0c\u8fd9\u4e00\u5bf9\u79f0\u6027\u7684\u7834\u574f\u8fdb\u4e00\u6b65\u6fc0\u53d1\u4e86\u78c1\u5b50\u6269\u6563\u5230\u53f3\u8fb9\u94c2\u4e1d\u5904\uff0c\u5728\u6b64\u81ea\u65cb\u6d41\u901a\u8fc7\u9006\u81ea\u65cb\u970d\u5c14\u6548\u5e94\u88ab\u5438\u6536\u548c\u68c0\u6d4b\u3002<\/p>\n

(b)\u5b9e\u9a8c\u5668\u4ef6\u7684\u626b\u63cf\u7535\u5b50\u663e\u5fae\u56fe\u50cf<\/p>\n

\u56fe2 200K<\/span>\u6e29\u5ea6\u4e0b\u94c2\u4e1d\u6cbfx<\/span>\u8f74\u7684\u81ea\u65cb\u8f93\u8fd0\"\"<\/span><\/b><\/p>\n

(a)\u5f53\u78c1\u573a\uff08\u6cbf\u7740x\u8f74\uff09\u4e0e\u94c2\u4e1d\u65b9\u5411\u5e73\u884c\u65f6\uff0c\u975e\u5c40\u57df\u7535\u963b\u4e0e\u78c1\u573a\u5f3a\u5ea6\u7684\u5173\u7cfb<\/p>\n

(b)\u5f53\u78c1\u573a\uff08\u6cbf\u7740y\u8f74\uff09\u4e0e\u94c2\u4e1d\u65b9\u5411\u5782\u76f4\u65f6\uff0c\u975e\u5c40\u57df\u7535\u963b\u4e0e\u78c1\u573a\u5f3a\u5ea6\u7684\u5173\u7cfb<\/p>\n

\u56fe3 200K<\/strong>\u6e29\u5ea6\u4e0b\u94c2\u4e1d\u6cbfy<\/strong>\u8f74<\/strong>\u7684\u81ea\u65cb\u8f93\u8fd0<\/strong>\"\"<\/p>\n

(a)\u5f53\u78c1\u573a\uff08\u6cbf\u7740x\u8f74\uff09\u4e0e\u94c2\u4e1d\u65b9\u5411\u5782\u76f4\u65f6\uff0c\u975e\u5c40\u57df\u7535\u963b\u4e0e\u78c1\u573a\u5f3a\u5ea6\u7684\u5173\u7cfb<\/p>\n

(b)\u5f53\u78c1\u573a\uff08\u6cbf\u7740y\u8f74\uff09\u4e0e\u94c2\u4e1d\u65b9\u5411\u5e73\u884c\u65f6\uff0c\u975e\u5c40\u57df\u7535\u963b\u4e0e\u78c1\u573a\u5f3a\u5ea6\u7684\u5173\u7cfb<\/p>\n

\u56fe4<\/strong> 200K\u6e29\u5ea6\u4e0b\u81ea\u65cb\u4fe1\u53f7\u7535\u963b\u548c\u6269\u6563\u957f\u5ea6\u7684\u5173\u7cfb<\/strong>\"\"<\/p>\n

\u5f53\u78c1\u573a\u5f3a\u5ea6\u4e3a\u77eb\u987d\u78c1\u573a\u5f3a\u5ea6\uff08\u94c2\u4e1d\u6cbf\u7740x\u8f74\uff0c\u4ee5\u84dd\u7ebf\u8868\u793a\uff09\u6216\u8005\u4f4e\u78c1\u573a\u5f3a\u5ea6\uff08Hx<\/sub>=2T\uff0c\u94c2\u4e1d\u6cbf\u7740y\u8f74\uff0c\u4ee5\u7ea2\u7ebf\u8868\u793a\uff09\u65f6\uff0c\u4fe1\u53f7\u5b58\u7559\u53ef\u4ee5\u8fbe\u5230\u6570\u5341\u5fae\u7c73\u7ea7\u522b\u3002<\/p>\n

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

\u8be5\u9879\u7814\u7a76\u5229\u7528\u5916\u6e90\u78c1\u573a\u8c03\u8282\u53cd\u94c1\u78c1\u5171\u632f\u9891\u7387\uff0c\u53ef\u4ee5\u63a7\u5236\u901a\u8fc7\u8d64\u94c1\u77ff-\u94c2\u754c\u9762\u7684\u81ea\u65cb\u6d41\u6d41\u52a8\uff0c\u4ece\u800c\u6df1\u5165\u7814\u7a76\u4e86\u53cd\u94c1\u78c1\u7edd\u7f18\u4f53\u4e2d\u81ea\u65cb\u8f93\u8fd0\u7684\u673a\u5236\u3002\u5728\u77eb\u987d\u78c1\u573a\u5f3a\u5ea6\u548c\u5c0f\u5916\u52a0\u573a\uff08small applied fields\uff09\u65f6\u6d4b\u91cf\u5f97\u5230\u7684\u81ea\u65cb\u6269\u6563\u957f\u5ea6\u5206\u522b\u53ef\u8fbe\u52306\u00b11\u5fae\u7c73\u548c9\u00b12\u5fae\u7c73\uff0c\u6bd4\u5df2\u6709\u62a5\u9053\u7684\u53cd\u94c1\u78c1-\u94c1\u78c1\u591a\u5c42\u7684\u6269\u6563\u957f\u5ea6\u9ad8\u4e862\u4e2a\u6570\u91cf\u7ea7\u3002\u8fd9\u4e00z\u6210\u679c\u4e3a\u5236\u5907\u53ef\u5728\u5ba4\u6e29\u4e0b\u64cd\u4f5c\u7684\u57fa\u4e8e\u53cd\u94c1\u78c1\u7edd\u7f18\u4f53\u7684\u81ea\u65cb-\u903b\u8f91\u5668\u4ef6\u5960\u5b9a\u4e86\u57fa\u7840\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aTunable long-distance spin transport in a crystalline antiferromagnetic iron oxide<\/a>\uff08Nature, 2018, DOI: 10.1038\/s41586-018-0490-7\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u5b66\u672f\u7ec4NanoCJ\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n

\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\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\u7bb1tougao@cailiaoren.com\u3002<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

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