{"id":56069,"date":"2016-12-15T06:30:35","date_gmt":"2016-12-14T22:30:35","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=56069"},"modified":"2016-12-12T22:51:30","modified_gmt":"2016-12-12T14:51:30","slug":"nature%e5%ad%90%e5%88%8a%ef%bc%9a%e5%8f%af%e7%88%b1%e7%9a%84%e6%b0%a7-%e9%80%9a%e8%bf%87%e6%b0%a7%e5%8c%96%e9%87%91%e5%b1%9e%e7%8e%bb%e7%92%83%e8%8e%b7%e5%be%97%e9%ab%98%e5%b1%85%e9%87%8c","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=56069","title":{"rendered":"Nature\u5b50\u520a\uff1a\u53ef\u7231\u7684\u6c27\u2014\u901a\u8fc7\u6c27\u5316\u91d1\u5c5e\u73bb\u7483\u83b7\u5f97\u9ad8\u5c45\u91cc\u6e29\u5ea6\u7684\u78c1\u6027\u534a\u5bfc\u4f53"},"content":{"rendered":"

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

\u78c1\u6027\u534a\u5bfc\u4f53\uff08MSs\uff09\u5728\u65b0\u529f\u80fd\u548c\u8bbe\u5907\u6982\u5ff5\u8bbe\u8ba1\u7b49\u90fd\u6709\u7740\u5f88\u5927\u7684\u524d\u666f\uff0c\u56e0\u5176\u53ef\u540c\u65f6\u7531\u7535\u8377\u4e0e\u81ea\u65cb\u6027\u8d28\u6765\u8fdb\u884c\u6709\u6548\u8c03\u63a7\uff0c\u7531\u6b64\u5c06\u5728\u672a\u6765\u81ea\u65cb\u7535\u5b50\u548c\u7535\u5b50\u5e94\u7528\u9886\u57df\u5927\u5c55\u8eab\u624b\u3002\u76ee\u524d\uff0c\u7a00\u78c1\u534a\u5bfc\u4f53\uff08DMSs\uff09\u5438\u5f15\u4e86\u7814\u7a76\u8005\u4eec\u7684\u7814\u7a76\u5174\u8da3\uff0c\u7136\u800c\u76ee\u524d\u5b58\u5728\u7684\u6311\u6218\u4e3b\u8981\u662f\u8981\u83b7\u5f97\u9ad8\u4e8e\u5ba4\u6e29\u7684\u5c45\u91cc\u6e29\u5ea6\u7684\u6750\u6599\uff0c\u4f7f\u5176\u80fd\u5728\u5ba4\u6e29\u4e0b\u4f7f\u7528\uff0c\u5c24\u5176\u662f\u4e00\u4e9bIII\u2013V\u578b\u534a\u5bfc\u4f53\u3002<\/p>\n

\u73b0\u6709\u5236\u5907\u7a00\u78c1\u534a\u5bfc\u4f53\u7684\u65b9\u6cd5\u4e3b\u8981\u662f\u5411\u4f20\u7edf\u534a\u5bfc\u4f53\u4e2d\u63ba\u5165\u78c1\u6027\u5143\u7d20\uff0c\u5178\u578b\u4f8b\u5b50\u662f\u78c1\u63ba\u6742\u7684GaAs\u7cfb\u7edf\uff0c\u5176\u6709\u76f8\u5bf9\u9ad8\u7684\u5c45\u91cc\u6e29\u5ea6\uff0c\u53ef\u8fbe\u5230200K\u3002\u867d\u7136\uff0c\u6709\u62a5\u9053\u4e86\u4e00\u4e9b\u5c45\u91cc\u6e29\u5ea6\u9ad8\u4e8e\u5ba4\u6e29\u7684DMSs\u4f53\u7cfb\uff0c\u4f46\u78c1\u6027\u7684\u5206\u5e03\u4e3a\u975e\u5747\u8d28\uff0c\u83b7\u5f97\u7684\u94c1\u78c1\u6027\u4e5f\u8f83\u4f20\u7edf\u94c1\u78c1\u6750\u6599\u5dee\u3002<\/p>\n

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

\u6e05\u534e\u5927\u5b66\u9648\u5a1c\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u7b49\u4eba\u4e0d\u540c\u4e8e\u5f80\u5e38\u5411\u4f20\u7edf\u534a\u5bfc\u4f53\u4e2d\u63ba\u5165\u78c1\u6027\u5143\u7d20\u5236\u5907DMSs\u7684\u65b9\u6cd5\uff0c\u901a\u8fc7\u6c27\u5316\u539f\u6709\u7684\u94c1\u78c1\u91d1\u5c5e\/\u5408\u91d1\u6765\u5f62\u6210\u65b0\u578b\u78c1\u6027\u534a\u5bfc\u4f53\u3002\u5411\u94c1\u78c1\u91d1\u5c5e\u73bb\u7483\uff08MG\uff09\u4e2d\u5f15\u5165\u6c27\uff0c\u53d1\u751f\u6c27\u5316\u5f62\u6210Co28.6<\/sub>Fe12.4<\/sub>Ta4.3<\/sub>B8.7<\/sub>O46<\/sub>\u78c1\u6027\u534a\u5bfc\u4f53\uff0c\u5c45\u91cc\u6e29\u5ea6\u53ef\u8fbe600K\u3002\u5e76\u8bc1\u5b9e\u8fd9\u79cd\u6750\u6599\u51fa\u73b0\u7684p-n\u5f02\u8d28\u7ed3\u4ee5\u53ca\u7535\u573a\u63a7\u5236\u5ba4\u6e29\u94c1\u78c1\u6027\u53cd\u6620\u51fap\u578b\u534a\u5bfc\u4f53\u7279\u6027\uff0c\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u8fbe0.1cm2<\/sup>V-1<\/sup>s-1<\/sup>\u3002\u8fd9\u9879\u7814\u7a76\u4e5f\u5c06\u4e3a\u5b9e\u73b0\u5177\u5907\u4e0d\u5bfb\u5e38\u7684\u591a\u529f\u80fd\u9ad8\u5c45\u91cc\u6e29\u5ea6\u534a\u5bfc\u4f53\u5f00\u8f9f\u65b0\u9014\u5f84\u3002<\/p>\n

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

\u56fe\u4e00\u3001\u4ece\u94c1\u78c1\u91d1\u5c5e\u73bb\u7483\u4e2d\u5f62\u6210\u65e0\u5b9a\u5f62\u91d1\u5c5e\u6c27\u5316\u7269<\/strong><\/p>\n

\"1\"<\/p>\n

(a) \u8584\u819c\u6c89\u79ef\u793a\u610f\u56fe\u3002<\/p>\n

(b) \u94c1\u78c1\u4f53(FM)-\u975e\u94c1\u78c1\u4f53(NFM)\u4f53\u7cfb\u6c27\u5316\u673a\u5236\u3002<\/p>\n

(c) \u5355\u76f8Co44<\/sub>Fe20<\/sub>Ta10<\/sub>B26<\/sub>O MG\u5e26\u548c\u5355\u76f8Co28.6<\/sub>Fe12.4<\/sub>Ta4.3<\/sub>B8.7<\/sub>O46<\/sub>\u65e0\u5b9a\u5f62\u91d1\u5c5e\u6c27\u5316\u7269\u7684\u9ad8\u500dTEM\u56fe\u50cf\u3002\u5185\u5d4c\u56fe\u5206\u522b\u4e3aMG\u5e26\u548c\u65e0\u5b9a\u5f62\u91d1\u5c5e\u6c27\u5316\u7269\u76f8\u5e94\u9009\u533a\u7535\u5b50\u884d\u5c04\u56fe\u3002\u6bd4\u4f8b\u5c3a\u4e3a5nm\u3002<\/p>\n

\u56fe\u4e8c\u3001a-CFTBO\u8584\u819c\u7684\u6027\u8d28<\/strong><\/p>\n

\"2\"<\/p>\n

(a) a-CFTBO\u548cMG\u8584\u819c\u572825nm\u76f8\u540c\u539a\u5ea6\u4e0b\u7684\u5149\u900f\u5c04\u56fe\u8c31\u3002\u5de6\u5d4c\u56fe\u4e3aa-CFTBO\u8584\u819c\u6295\u5c04\u8c31\u7684\u6d4b\u8bd5\u6781\u677f\u3002\u53f3\u5d4c\u56fe\u4e3a\u5176\u5ba4\u6e29\u5149\u81f4\u53d1\u5149\u8c31\u3002<\/p>\n

(b) \u6e29\u5ea6-\u7535\u963b\u7387\u03c10<\/sub>\u56fe\uff08\u03c10<\/sub>\u4e3a\u5ba4\u6e29\u7535\u963b\u7387\uff09\u3002\u5185\u5d4c\u56fe\u4e3a\u57fa\u4e8e\u5b9e\u9a8c\u6570\u636e\u83b7\u5f97\u7684ln(\u03c10<\/sub>)-1<\/sup>\/T1\/2<\/sup>\u56fe\u3002<\/p>\n

(c) \u4e0d\u540c\u6e29\u5ea6\u4e0b\u7684M-H\u66f2\u7ebf\u3002<\/p>\n

(d) \u9762\u5185\u78c1\u573aH=100 Oe\u4e0b\u7684M-T\u56fe\u3002<\/p>\n

\u56fe\u4e09\u3001p\u578ba-CFTBO MS\u7684\u78c1\u4f20\u8f93\u7279\u6027<\/strong><\/p>\n

\"3\"<\/p>\n

(a) 1mA\u4e0b\uff0c\u970d\u5c14\u7535\u963bRxy-\u78c1\u573aH\u56fe\uff0c\u4e3b\u8981\u6e90\u4e8e\u53cd\u5e38\u970d\u5c14\u6548\u5e94\u3002<\/p>\n

(b) \u901a\u8fc7\u6d4b\u91cf\u4f5c\u7528\u573a\u5e73\u884c\u6216\u5782\u76f4\u4e8e\u7535\u6d41\u65b9\u5411\u7684\u7535\u963b\u6539\u53d8\uff08MR\/\/\u6216MR\u2534<\/sub>\u8868\u793a\uff09\uff0c\u5f97\u5230\u5404\u5411\u5f02\u6027\u78c1\u7535\u963b-\u78c1\u573a\u56fe\u3002<\/p>\n

\u56fe\u56db\u3001p\u578ba-CFTBO MS\u7684p-n\u578b\u5f02\u8d28\u7ed3\u7684\u5236\u5907<\/strong><\/p>\n

\"4\"<\/p>\n

(a) Au(10 nm)\/p\u578ba-CFTBO(300 nm)\/n\u578bSi(300m)\/ Au(10 nm)\u7684p-n\u578b\u5f02\u8d28\u7ed3\u7ed3\u6784\u7684\u5236\u5907\u56fe\u793a\u3002<\/p>\n

(b) Au (10 nm)\/p\u578ba-CFTBO(300 nm)\/n\u578bSi (300 mm)\/p\u578ba-CFTBO (300 nm)\/Au (10 nm)\u7684p\u2013n\u2013p\u7ed3\u6784\u56fe\u793a\u3002\u5f02\u8d28\u7ed3\u4f7f\u7528\u7684n\u578b\u5355\u6676Si\u5927\u91cf\u63ba\u6742\u4e86P\uff0c\u7535\u963b\u572810-3<\/sup>\u03a9 cm\u6570\u91cf\u7ea7\u3002<\/p>\n

(c) p-n\u5f02\u8d28\u7ed3\u7684I-V\u66f2\u7ebf\u3002\u5185\u5d4c\u56fe\u4e3a\u66f2\u7ebf\u6240\u9009\u77e9\u5f62\u533a\u7684\u653e\u5927\u56fe\u3002<\/p>\n

\u56fe\u4e94\u3001\u7535\u573a\u5bf9a-CFTBO MS\u94c1\u78c1\u6027\u7684\u63a7\u5236<\/strong><\/p>\n

\"5\"<\/p>\n

(a) \u901a\u8fc7\u4e00\u6ef4\u79bb\u5b50\u6db2\u4f53\u5728a-CFTBO\u8584\u819c\u65bd\u52a0\u6805\u7535\u538b\u7684\u5b9e\u9a8c\u88c5\u7f6e\u56fe\u3002\u7edd\u7f18HfO2<\/sub>\u5c42\u7684\u539a\u5ea6\u5927\u7ea62nm\u3002<\/p>\n

(b) \u5728\u6b63\u6805\u6781\u7535\u538b\u4e0b\uff0c\u7535\u529b\u8bf1\u5bfc\u7684\u8f7d\u6d41\u5b50\u6d53\u5ea6\u7684\u964d\u4f4e\u56fe\u793a\u3002<\/p>\n

(c) \u5728\u8d1f\u6805\u6781\u7535\u538b\u4e0b\uff0c\u7535\u529b\u8bf1\u5bfc\u7684\u8f7d\u6d41\u5b50\u6d53\u5ea6\u7684\u589e\u52a0\u56fe\u793a\u3002<\/p>\n

(d) 300K\u4e0b\uff0c\u4e0d\u540c\u6805\u6781\u7535\u538b\u4e0b\u7684M-H\u66f2\u7ebf\u3002a-CFTBO\u8584\u819c\u539a\u5ea6\u4e3a50nm\uff0c\u5de6\u5d4c\u56fe\u4e3a\u4e0d\u540c\u6805\u6781\u7535\u538b\u4e0b\uff0c\u539a\u5ea6\u4e3a50nm\u7684a-CFTBO\u8584\u819c\u7684M\/Ms<\/sub>(0)-H\u66f2\u7ebf\uff0cMs<\/sub>(0)\u4e3a\u4e0d\u65bd\u52a0\u6805\u7535\u6781\u65f6\u7684\u9971\u548c\u78c1\u573a\u3002\u53f3\u5d4c\u56fe\u4e3a\u77e9\u5f62\u9009\u533a\u7684\u653e\u5927\u56fe\u3002<\/p>\n

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

\u5bf9MGs\u800c\u8a00\uff0c\u6c27\u5e38\u4e3a\u4e00\u6709\u5bb3\u7684\u6742\u8d28\u5143\u7d20\uff0c\u56e0\u5176\u5bf9\u73bb\u7483\u7684\u5f62\u6210\u80fd\u529b\u53ca\u673a\u68b0\u6027\u8d28\u5747\u4f1a\u5e26\u6765\u4e0d\u5229\uff0c\u8fd9\u5927\u591a\u4e0e\u6676\u4f53\u6c27\u5316\u6c89\u79ef\u6709\u5173\u3002\u4f46\u662f\uff0c\u5728\u6b64\u6b21\u7814\u7a76\u4e2d\uff0c\u6c27\u5374\u5145\u5f53\u4e86\u4e00\u4e2a\u53ef\u7231\u7684\u5143\u7d20\uff0c\u662f\u5c06MG\u5bfc\u4f53\u8f6c\u578b\u4e3a\u65e0\u5b9a\u5f62\u534a\u5bfc\u4f53\u7684\u8c03\u5242\u3002\u8fd9\u4e00\u7279\u6027\u4f7f\u6750\u6599\u80fd\u7ed3\u5408\u591a\u529f\u80fd\u7279\u6027\uff0c\u5305\u62ec\u5149\u3001\u7535\u3001\u78c1\u3002\u540c\u65f6\uff0c\u5411\u94c1\u78c1\u65e0\u5b9a\u5f62\u91d1\u5c5e\u4e2d\u5f15\u5165\u5982\u6c27\u7c7b\u7684\u8f7b\u539f\u5b50\u4e3a\u9ad8\u5c45\u91cc\u6e29\u5ea6\u7684MSs\u7684\u5236\u5907\u5f00\u8f9f\u65b0\u9053\u8def\uff0c\u8fd9\u5c06\u6709\u5229\u4e8eMS\u57fa\u81ea\u65cb\/\u7535\u5b50\u8bbe\u5907\u65e9\u65e5\u5b9e\u73b0\u5ba4\u6e29\u4e0b\u8fd0\u884c\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1aA room-temperature magnetic semiconductor from a ferromagnetic metallic glass<\/a>\uff08Nat. Commun.\uff0c2016\uff0cDOI\uff1a10.1038\/ncomms13497\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u7535\u5b50\u7535\u5de5\u5b66\u672f\u7ec4\u5927\u9ed1\u5929\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n

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