{"id":127108,"date":"2018-03-03T14:00:34","date_gmt":"2018-03-03T06:00:34","guid":{"rendered":"\/\/m.iemloyee.com\/?p=127108"},"modified":"2018-02-28T20:03:35","modified_gmt":"2018-02-28T12:03:35","slug":"adv-funct-mater-%ef%bc%9a2d-geas%e9%ab%98%e5%ba%a6%e7%9a%84%e9%9d%a2%e5%86%85%e5%85%89%e3%80%81%e7%94%b5%e5%90%84%e5%90%91%e5%bc%82%e6%80%a7","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=127108","title":{"rendered":"Adv. Funct. Mater.\uff1a2D GeAs\u9ad8\u5ea6\u7684\u9762\u5185\u5149\u3001\u7535\u5404\u5411\u5f02\u6027"},"content":{"rendered":"

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

\u5404\u5411\u5f02\u6027\u76842D\u6750\u6599\u5177\u6709\u7279\u6b8a\u7684\u5149\u5b66\u3001\u7535\u5b66\u548c\u70ed\u7535\u6027\u8d28\uff0c\u56e0\u6b64\u6709\u671b\u7528\u4e8e\u5404\u7c7b\u89d2\u5ea6\u4f9d\u8d56\u7684\u5668\u4ef6\u4e2d\uff0c\u4f8b\u5982\u96c6\u6210\u6570\u5b57\u9006\u53d8\u5668\u3001\u4eba\u9020\u7a81\u89e6\u3001\u504f\u632f\u654f\u611f\u7684\u5149\u63a2\u6d4b\u5668\u3001\u4e2d\u7ea2\u5916\u504f\u5149\u5668\u7b49\u3002\u6676\u4f53\u7ed3\u6784\u548c\u5bf9\u79f0\u6027\u51b3\u5b9a\u77402D\u6750\u6599\u7684\u57fa\u672c\u6027\u80fd\uff0c\u662f\u7406\u89e3\u5404\u5411\u5f02\u6027\u7ed3\u6784-\u6027\u80fd\u5173\u7cfb\u7684\u5173\u952e\u3002IV-V\u65cf\u5316\u5408\u7269\uff0c\u5982GeP\u3001GeAs\u3001SiAs\uff0c\u662f\u4e00\u7c7b\u4f4e\u5bf9\u79f0\u6750\u6599\uff0c\u76ee\u524d\u4f5c\u4e3a\u4e00\u7c7b\u65b0\u578b\u76842D\u5c42\u72b6\u6750\u6599\u800c\u5907\u53d7\u5173\u6ce8\uff0c\u5177\u6709\u5f02\u4e8e\u5176\u5757\u4f53\u6837\u54c1\u7684\u6027\u80fd\u30022D\u5c42\u72b6GeAs\u6750\u6599\u7684\u7a33\u5b9a\u6027\u3001\u6210\u952e\u548c\u7535\u5b50\u7279\u6027\u5df2\u7ecf\u901a\u8fc7\u7406\u8bba\u8ba1\u7b97\u8fdb\u884c\u4e86\u5e7f\u6cdb\u7814\u7a76\uff0c\u7136\u800c\u5176\u9762\u5185\u7684\u5404\u5411\u5f02\u6027\u8fd8\u672a\u4ece\u5b9e\u9a8c\u4e0a\u52a0\u4ee5\u7814\u7a76\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u5317\u4eac\u822a\u7a7a\u822a\u5929\u5927\u5b66\u6768\u5723\u96ea\u526f\u6559\u6388\uff08\u7b2c\u4e00\u4f5c\u8005\uff09\u3001\u848b\u6210\u4fdd\u6559\u6388\u3001\u5317\u4eac\u5de5\u4e1a\u5927\u5b66\u5f20\u6c38\u54f2\u6559\u6388\u548c\u7f8e\u56fd<\/strong>Rice<\/strong>\u5927\u5b66<\/strong>P. M. Ajayan<\/strong>\u6559\u6388<\/strong>\u7b49\u4eba\u5728Adv. Funct. Mater.<\/strong>\u53d1\u8868\u4e86\u9898\u4e3a\u201cHighly In-Plane Optical and Electrical Anisotropy of 2D Germanium Arsenide\u201d<\/strong>\u7684\u7814\u7a76\u8bba\u6587\uff0c\u62a5\u9053\u4e862D GeAs\u6750\u6599\u9762\u5185\u5404\u5411\u5f02\u6027\u7684\u6700\u65b0\u7814\u7a76\u6210\u679c\u3002\u7814\u7a76\u56e2\u961f\u9996\u5148\u901a\u8fc7\u9ad8\u538b\u7194\u878d\u7684\u65b9\u6cd5\u5236\u5907\u4e86GeAs\u5355\u6676\uff0c\u7136\u540e\u901a\u8fc7\u5fae\u673a\u68b0\u5265\u79bb\u7684\u65b9\u6cd5\u5f97\u5230\u4e0d\u540c\u539a\u5ea6\u76842D\u5c42\u72b6GeAs\u7247\uff0c\u5e76\u8f6c\u79fb\u5230300nm\u539a\u7684SiO2<\/sub>\/Si(100)\u886c\u5e95\u4e0a\u8fdb\u884c\u89d2\u5206\u8fa8\u62c9\u66fc\u5149\u8c31\u3001\u53cd\u5c04\u5dee\u5206\u5149\u8c31(ADRDM)\u548c\u504f\u632f\u5206\u8fa8\u7535\u5b66\u6d4b\u8bd5\u3002\u89d2\u5206\u8fa8\u7684\u6d4b\u8bd5\u7ed3\u679c\u663e\u793a\uff0c\u4f4e\u5bf9\u79f0\u76842D\u5c42\u72b6GeAs\u5177\u6709\u663e\u8457\u7684\u9762\u5185\u5149\u3001\u7535\u5404\u5411\u5f02\u6027\u3002ADRDM\u7ed3\u679c\u4ee5\u4e00\u79cd\u53ef\u89c6\u5316\u7684\u65b9\u5f0f\u76f4\u63a5\u8bc1\u5b9e\u4e86\u5c42\u72b6GeAs\u7684\u9762\u5185\u5149\u5b66\u5404\u5411\u5f02\u6027\uff0c\u62c9\u66fc\u5f3a\u5ea6\u5404\u5411\u5f02\u6027\u4e0e\u6837\u54c1\u539a\u5ea6\u3001\u6fc0\u53d1\u6ce2\u957f\u548c\u504f\u632f\u6a21\u5f0f\u5bc6\u5207\u76f8\u5173\uff0c\u800c\u5c11\u5c42GeAs\u573a\u6548\u5e94\u6676\u4f53\u7ba1\u7684\u7535\u5b66\u8f93\u8fd0\u6d4b\u8bd5\u7ed3\u679c\u8868\u660e\uff0c\u5176zigzag\u65b9\u5411\u7684\u8fc1\u79fb\u7387\u662farmchair\u65b9\u5411\u7684\u6570\u500d(4.6\u500d)\uff0c\u5176\u503c\u5927\u4e8eReS2<\/sub>\u548c\u9ed1\u78f7\u5668\u4ef6\u3002<\/p>\n

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

\u56fe<\/strong>1 2D<\/strong>\u5c42\u72b6<\/strong>GeAs<\/strong>\u7684\u6676\u4f53\u7ed3\u6784\u548c\u62c9\u66fc\u5149\u8c31<\/strong><\/p>\n

\"\"<\/p>\n

(a-b)\u5206\u522b\u4e3a\u5c42\u72b6GeAs\u6676\u4f53\u7ed3\u6784\u7684\u4fa7\u89c6\u548c\u4fef\u89c6\u56fe\u3002\u7ea2\u8272\u548c\u84dd\u8272\u7403\u5206\u522b\u4ee3\u8868Ge\u548cAs\u539f\u5b50\uff1b<\/p>\n

(c)\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u65b9\u6cd5\u8ba1\u7b97\u5f97\u5230\u7684GeAs\u7684\u62c9\u66fc\u5149\u8c31\u5f3a\u5ea6\uff1b<\/p>\n

(d)\u5e73\u884c\u6a21\u5f0f\u4e0b633nm\u6ce2\u957f(130\u03bcW)\u6fc0\u53d1\u65f611nm GeAs\u7247\u7684\u62c9\u66fc\u5149\u8c31\uff1b<\/p>\n

(e)\u89d2\u5206\u8fa8\u62c9\u66fc\u5149\u8c31\u7684\u4e24\u79cd\u6d4b\u8bd5\u6a21\u5f0f(\u5e73\u884c\u548c\u5782\u76f4)\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe<\/strong>2 2D<\/strong>\u5c42\u72b6<\/strong>GeAs<\/strong>\u7684<\/strong>TEM<\/strong>\u8868\u5f81\u548c\u89d2\u5206\u8fa8\u62c9\u66fc\u5149\u8c31<\/strong><\/p>\n

\"\"<\/p>\n

(a-b)\u5206\u522b\u4e3a11nm GeAs\u7247\u7684HRTEM\u56fe\u548c\u76f8\u5e94\u7684SAED\u56fe\uff1b<\/p>\n

(d-c)\u5206\u522b\u4e3a\u5e73\u884c\u548c\u5782\u76f4\u6a21\u5f0f\u4e0bGeAs\u7247\u7684\u89d2\u5206\u8fa8\u62c9\u66fc\u5149\u8c31\uff1b<\/p>\n

(e-f)\u4e24\u79cd\u6a21\u5f0f\u4e0b\u89d2\u5206\u8fa8\u62c9\u66fc\u5f3a\u5ea6\u7684\u6781\u5750\u6807\u56fe\u3002<\/p>\n

\u56fe<\/strong>3\u00a0<\/strong>\u6839\u636e\u62c9\u66fc\u5f20\u91cf\u6a21\u62df\u7684\u5404\u5411\u5f02\u6027\u62c9\u66fc\u5f3a\u5ea6\u7684\u6781\u5750\u6807\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>4 <\/strong>\u591a\u5c42<\/strong>GeAs<\/strong>\u7247\u7684\u89d2\u5206\u8fa8\u5149\u5b66\u5404\u5411\u5f02\u6027<\/strong><\/p>\n

\"\"<\/p>\n

(a)\u901a\u8fc7\u5fae\u673a\u68b0\u5265\u79bb\u6cd5\u8f6c\u79fb\u5230\u5404\u5411\u540c\u6027SiO2<\/sub>\/Si(100)\u886c\u5e95\u4e0a\u7684\u591a\u5c42GeAs\u7247\u7684\u5149\u5b66\u7167\u7247\u3002\u6807\u5c3a\u4e3a20\u03bcm\uff1b<\/p>\n

(b)\u56fe(a)\u4e2d\u7684GeAs\u7247\u4e0a\u5177\u6709\u4e0d\u540c\u539a\u5ea6\u7684\u4e24\u4e2a\u70b9\u7684ADRDM\u7ed3\u679c\uff1b<\/p>\n

(c)\u4e0d\u540c\u89d2\u5ea6\u7684ADRDM\u5f71\u50cf(0\u00b0~170\u00b0\uff0c10\u00b0\/\u6b65)\u3002<\/p>\n

\u56fe<\/strong>5 <\/strong>\u5c11\u5c42<\/strong>GeAs FETs<\/strong>\u7684\u504f\u632f\u5206\u8fa8\u7535\u5b66\u8f93\u8fd0\u6d4b\u8bd5\u7ed3\u679c<\/strong><\/p>\n

\"\"<\/p>\n

(a)\u5206\u522b\u4e3a0\u00b0\u548c90\u00b0\u4e0b\uff08\u6676\u4f53\u53d6\u5411\u7684zigzag\u548carmchair\u65b9\u5411\uff09\uff0c\u5728300nm SiO2<\/sub>\/p++ Si\u886c\u5e95\u4e0a\u7684\u5c11\u5c42GeAs FET\u7684\u5ba4\u6e29\u8f6c\u79fb\u66f2\u7ebf\uff1b<\/p>\n

(b)GeAs FET\u57288\u4e2a\u65b9\u5411\u4e0a\u7684\u5f52\u4e00\u5316\u7684\u573a\u6548\u5e94\u8fc1\u79fb\u7387\u7684\u6781\u5750\u6807\u56fe\u3002<\/p>\n

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

\u672c\u6587\u91c7\u7528\u89d2\u5206\u8fa8\u62c9\u66fc\u5149\u8c31\u3001ADRDM\u3001\u504f\u632f\u5206\u8fa8\u7535\u5b66\u8f93\u8fd0\u6d4b\u8bd5\u548c\u76f8\u5173\u7684\u7406\u8bba\u8ba1\u7b97\u6210\u529f\u5730\u63ed\u793a\u4e862D\u5c42\u72b6GeAs\u7684\u9762\u5185\u5149\u3001\u7535\u5404\u5411\u5f02\u6027\uff0c\u5bf9\u7406\u89e3\u5404\u5411\u5f02\u60272D\u6750\u6599\u7684\u6784\u6548\u5173\u7cfb\u5177\u6709\u5341\u5206\u91cd\u8981\u7684\u610f\u4e49\uff0c\u4e5f\u4e3a\u5236\u5907\u57fa\u4e8e2D\u5c42\u72b6GeAs\u548c\u5176\u4ed6\u4f4e\u5bf9\u79f02D\u6750\u6599\u7684\u9ad8\u6027\u80fd\u5668\u4ef6\u6253\u4e0b\u4e86\u5f88\u597d\u7684\u57fa\u7840\u3002<\/p>\n

\u3010\u7b2c\u4e00\u4f5c\u8005\u7b80\u4ecb\u3011<\/strong><\/span><\/p>\n

\u6768\u5723\u96ea<\/strong>\uff0c\u5317\u4eac\u822a\u7a7a\u822a\u5929\u5927\u5b66\u6750\u6599\u79d1\u5b66\u4e0e\u5de5\u7a0b\u5b66\u9662\u526f\u6559\u6388\uff0c\u4e8e2013\u5e74\u83b7\u5f97\u7406\u5b66\u535a\u58eb\u5b66\u4f4d\uff0c2013-2015\u5e74\u4e2d\u56fd\u79d1\u5b66\u9662\u534a\u5bfc\u4f53\u7814\u7a76\u6240\u535a\u58eb\u540e\uff0c2016-2017\u5e74\u52a0\u5dde\u5927\u5b66\u6d1b\u6749\u77f6\u5206\u6821\u535a\u58eb\u540e\u3002\u7814\u7a76\u65b9\u5411\u4e3a\u4e8c\u7ef4\u534a\u5bfc\u4f53\u6750\u6599\uff0c\u7814\u7a76\u9886\u57df\u5305\u62ec\u4e8c\u7ef4\u6750\u6599\u5236\u5907\uff0c\u9762\u5185\u5404\u5411\u5f02\u6027\u7279\u6027\u8868\u5f81\uff0c\u7535\u8f93\u8fd0\u3001\u5149\u7535\u3001\u78c1\u5b66\u6027\u80fd\u7814\u7a76\u7b49\uff0c\u5171\u53d1\u8868SCI\u8bba\u658748\u7bc7\uff0c\u5305\u62ecNano Lett., 1\u7bc7\uff0cAppl. Phys. Rev., 2\u7bc7\uff0cAdv. Mater., 1\u7bc7\uff0cAdv. Funct. Mater., 1\u7bc7\uff0cACS Nano, 1\u7bc7\uff0cNano Res., 1\u7bc7\uff0cACS Appl. Mater. Interfaces, 2\u7bc7\uff0cNanoscale, 5\u7bc7\u7b49\uff0c\u8bba\u6587\u4ed6\u5f151000\u4f59\u6b21\uff0cESI\u9ad8\u88ab\u5f15\u8bba\u65872\u7bc7\uff0cH\u56e0\u5b5019\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Highly In-Plane Optical and Electrical Anisotropy of 2D Germanium Arsenide<\/a>\u00a0(Adv. Funct. Mater., 2018\uff0cDOI: 10.1002\/adfm.201707379)<\/p>\n

\u611f\u8c22\u6768\u5723\u96ea\u8001\u5e08\u5bf9\u672c\u6587\u7684\u65a7\u6b63\u548c\u5bf9\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u7684\u6307\u5bfc\uff01<\/strong><\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u7eb3\u7c73\u5b66\u672f\u7ec4Roay\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n

\u6750\u6599\u4eba\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8<\/a>\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\u7bb1tougao@cailiaoren.com\u3002<\/p>\n

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