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

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\"%e8%8c%83%e5%be%b7%e5%8d%8e%e5%a4%96%e5%bb%b6%e7%94%9f%e9%95%bf%e9%94%91%e7%83%af\"<\/a><\/p>\n

\u8303\u5fb7\u534e\u5916\u5ef6\u751f\u957f\u9511\u70ef<\/strong><\/p>\n

\u7814\u7a76\u4eba\u5458\u5c1d\u8bd5\u5728\u84dd\u5b9d\u77f3\uff0c\u6c27\u5316\u7845\u7247\u548c\u6c1f\u6676\u4e91\u6bcd\u4e0a\u751f\u957f\u9511\u70ef\u540e\uff0c\u9009\u62e9\u91c7\u7528\u6c1f\u6676\u4e91\u6bcd\u8fdb\u884c\u8303\u5fb7\u534e\u5916\u5ef6\u751f\u957f\u3002\u6c1f\u6676\u4e91\u6bcd\u4f5c\u4e3a\u8303\u5fb7\u534e\u5916\u5ef6\u751f\u957f\u7684\u5e38\u89c1\u886c\u5e95\uff0c\u8868\u9762\u9ad8\u5ea6\u949d\u5316\uff0c\u539f\u5b50\u7ea7\u5e73\u6574\u3002\u7406\u8bba\u6761\u4ef6\u4e0b\u4e0e\u5438\u9644\u539f\u5b50\u4ec5\u4e3a\u8303\u5fb7\u534e\u529b\u4f5c\u7528\u3002\u56e0\u800c\uff0c\u76f8\u8f83\u4e8e\u5177\u6709\u8868\u9762\u60ac\u6302\u952e\u7684\u5e38\u89c4\u886c\u5e95\uff0c\u5438\u9644\u539f\u5b50\u7684\u8fc1\u79fb\u80fd\u6781\u4f4e\uff0c\u6709\u7740\u5feb\u901f\u8fc1\u79fb\u7684\u80fd\u529b\uff0c\u4e00\u65e6\u5f62\u6838\uff0c\u6750\u6599\u6cbf\u7740\u4e91\u6bcd\u8868\u9762\u751f\u957f\u4e5f\u66f4\u5feb\uff0c\u5f62\u6210\u7eb3\u7c73\u7ea7\u8584\u819c\u3002\u4ee5\u4e0a\u7279\u70b9\u5bf9\u4e8e\u9511\u70ef\u7684\u6210\u529f\u751f\u957f\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002\u800c\u9511\u70ef\u7684\uff08001\uff09\u9762\u6676\u9762\u95f4\u8ddd\u5728\u6240\u6709\u7684\u6676\u9762\u4e2d\u95f4\u8ddd\u6700\u5927\uff0c\u6676\u9762\u95f4\u7ed3\u5408\u80fd\u6700\u4f4e\uff0c\u4e3a\u62e9\u4f18\u751f\u957f\u6676\u9762\uff1b\u5438\u9644\u539f\u5b50\u805a\u96c6\u5f62\u6210\u6838\u5fc3\u540e\uff0c\u5c06\u4f1a\u6cbf\u7740\u4e91\u6bcd\u8868\u9762\u5feb\u901f\u5f62\u6210\uff08001\uff09\u9762\u5185\u7684\u5feb\u901f\u751f\u957f\u3002\u800c\u5e38\u89c4\u886c\u5e95\u5982SiO2\/Si\u6216\u84dd\u5b9d\u77f3\uff0c\u5438\u9644\u539f\u5b50\u4e0d\u4ec5\u4ec5\u9762\u4e34\u60ac\u6302\u952e\u9020\u6210\u7684\u9ad8\u8fc1\u79fb\u52bf\u5792\uff0c\u8fd8\u4f1a\u9020\u6210\u66f4\u52a0\u590d\u6742\u7684\u751f\u957f\u5f62\u8c8c\u3002<\/p>\n

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

\u4e91\u6bcd\u886c\u5e95\u4e0a\u5236\u5907\u6240\u5f97\u7eb3\u7c73\u7247\u5f62\u8c8c\u4e3a\u4e8c\u7ef4\u6750\u6599\u7684\u7ecf\u5178\u5f62\u8c8c\uff1a\u4e09\u89d2\u5f62\uff0c\u516d\u8fb9\u5f62\uff0c\u83f1\u5f62\u53ca\u68af\u5f62\uff1b\u6a2a\u5411\u5c3a\u5bf8\u4e3a\u591a\u4e3a\u6570\u5fae\u7c73\u7ea7\uff0c\u76f8\u8f83\u4e8eMBE\u6cd5\u83b7\u5f97\u7eb3\u7c73\u7ea7\u7574\u533a\uff0c\u5fae\u7c73\u7ea7\u5c3a\u5bf8\u8db3\u4ee5\u7528\u4e8e\u5e38\u89c4\u5149\u523b\u53caEBL\u5de5\u827a\u4e0b\u7684\u5668\u4ef6\u7814\u7a76\uff0c\u539a\u5ea6\u786e\u8ba4\u6700\u8584\u53ef\u81f34 nm\uff1b\u540c\u65f6\uff0c\u89c2\u5bdf\u5230\u5e26\u72b6\u9511\u70ef\u6837\u54c1\u7684\u5b58\u5728\uff0c\u5c11\u91cf\u6837\u54c1\u4e3a\u7eb3\u7c73\u7ea7\u6761\u5e26\u3002<\/p>\n

\u539f\u5b50\u7ed3\u6784\u4e0e\u7269\u76f8<\/strong><\/span><\/p>\n

\u8fd9\u91cc\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0c\u03b1\u76f8\u548c\u03b2\u76f8\u9511\u70ef\u5747\u5177\u6709\u8f83\u9ad8\u7684\u7a33\u5b9a\u6027[9]<\/sup>\u3002\u7269\u76f8\u8fa8\u8ba4\u4e5f\u662f\u6b64\u9879\u5de5\u4f5c\u7684\u91cd\u8981\u4efb\u52a1\u4e4b\u4e00\u3002HRTEM\u53caSEAD\u5b9e\u9a8c\u53d1\u73b0\u5236\u5907\u7684\u9511\u70ef\u7eb3\u7c73\u7247\u4e3a\u5178\u578b\u7684\u516d\u65b9\u7ed3\u6784\uff0c\u4e0e\u5757\u4f53\u4e00\u81f4\uff1b\u8fdb\u4e00\u6b65\u5bf9\u6bd4\u6a21\u62df\u83b7\u5f97\u7684\u03b1\u4e0e\u03b2\u76f8\u9511\u70ef\u7684TEM\u53caSEAD\u7ed3\u679c\uff0c\u66f4\u8fdb\u4e00\u6b65\u786e\u8ba4\u8be5\u7ed3\u8bba\u3002<\/p>\n

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

\u5176\u6b21\uff0c\u62c9\u66fc\u4f5c\u4e3a\u4e8c\u7ef4\u6750\u6599\u5b9a\u6027\u53ca\u5b9a\u91cf\u8868\u5f81\u7684\u4e3b\u8981\u624b\u6bb5\u4e4b\u4e00\uff0c\u5bf9\u4e8e\u6750\u6599\u9274\u5b9a\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002\u5728\u4ee5AFM\u83b7\u5f97\u4e0d\u540c\u7eb3\u7c73\u7247\u7684\u539a\u5ea6\u4e4b\u540e\uff0c\u5206\u522b\u6d4b\u8bd5\u6837\u54c1\u7684\u62c9\u66fc\u5149\u8c31\uff0c\u83b7\u5f97\u4e86\u4e0d\u540c\u539a\u5ea6\u7684\u7eb3\u7c73\u7247\u5bf9\u539a\u5ea6\u4f9d\u8d56\u7684\u62c9\u66fc\u5149\u8c31\uff0c\u8bc1\u5b9e\u4e86\u6240\u5f97\u6837\u54c1\u786e\u4e3a\u4f53\u7cfb\u6837\u54c1\u3002\u53e6\u5916\uff0c\u7ecf\u5bf9\u4e0d\u540c\u539a\u5ea6\u7684\u9511\u70ef\u8fdb\u884c\u8868\u5f81\uff0c\u53d1\u73b0\u9511\u70ef\u7684\u62c9\u66fc\u5149\u8c31\u540c\u6837\u5b58\u5728\u6ce2\u6570\u504f\u79fb\u7684\u73b0\u8c61\uff0c\u968f\u7740\u539a\u5ea6\u51cf\u8584\uff0cEg<\/sub>\uff08\u9762\u5185\u632f\u52a8\u6a21\u5f0f\uff09\u3001A1g<\/sub>\uff08\u5c42\u95f4\u632f\u52a8\u6a21\u5f0f\uff09\u7686\u5411\u9ad8\u6ce2\u6570\u504f\u79fb\uff0c\u539f\u56e0\u53ef\u80fd\u5f52\u4e8e\u51cf\u8584\u6240\u81f4\u7684\u6676\u683c\u5e38\u6570\u6216\u5c42\u95f4\u8026\u5408\u4f5c\u7528\u7684\u53d8\u5316\u3002\u8fd9\u4e9b\u7ed3\u679c\u5bf9\u4e8e\u540e\u671f\u9511\u70ef\u7684\u5feb\u901f\u8868\u5f81\u4e2d\uff0c\u6709\u7740\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n

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

\u900f\u660e\u5bfc\u7535\u8584\u819c\u7684\u5c1d\u8bd5<\/strong><\/span><\/p>\n

\u5c3d\u7ba1\u9488\u5bf9\u9511\u70ef\u7684\u5b9e\u9a8c\u7814\u7a76\u76ee\u524d\u4ecd\u7136\u8f83\u5c11\uff0c\u7814\u7a76\u4eba\u5458\u4ecd\u7136\u81f4\u529b\u4e8e\u63a2\u7d22\u5b9e\u9645\u5e94\u7528\u7684\u524d\u666f\u3002FET\u5668\u4ef6\u6d4b\u8bd5\u8868\u660e\uff0c\u591a\u5c42\u9511\u70ef\u5177\u6709\u7406\u8bba\u9884\u6d4b\u7684\u534a\u91d1\u5c5e\u7279\u6027\uff0c\u800c\u6e85\u5c04\u504f\u6790\u6cd5\u6837\u54c1PL\u73b0\u8c61\u5e76\u975e\u591a\u5c42\u9511\u70ef\u672c\u5f81\u6027\u8d28\u3002\u53e6\u5916\uff0c\u57fa\u4e8e\u5176\u534a\u91d1\u5c5e\u7279\u6027\uff0c\u8bbe\u60f3\u4e86\u591a\u5c42\u9511\u70ef\u7528\u4e8e\u67d4\u6027\u900f\u660e\u5bfc\u7535\u8584\u819c\u7684\u7528\u9014\u3002\u501f\u52a9\u5fae\u533a\u5149\u5b66\u624b\u6bb5\uff0c\u53d1\u73b0\u591a\u5c42\u9511\u70ef\u5728\u53ef\u89c1\u5149\u6ce2\u6bb5\u5177\u6709\u8f83\u597d\u7684\u900f\u8fc7\u7387\uff0c\u8bc1\u5b9e\u4e86\u8bbe\u60f3\u7684\u53ef\u884c\u6027\uff1b\u540c\u65f6\uff0c\u67d4\u6027\u6d4b\u8bd5\u8868\u660e\uff0c100\u6b21\u5f2f\u66f2\u5bf9\u4e8e\u5bfc\u7535\u6027\u7684\u635f\u574f\u4e5f\u8f83\u5c0f\u3002\u5c06\u591a\u5c42\u534a\u91d1\u5c5e\u6027\u7684\u9511\u70ef\u7528\u4e8e\u67d4\u6027\u900f\u660e\u5bfc\u7535\u8584\u819c\u7684\u8bbe\u60f3\u88ab\u8bc1\u5b9e\u53ef\u884c\u3002<\/p>\n

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

\u3010\u56fe\u6587\u4ecb\u7ecd\u3011<\/strong><\/span><\/p>\n

\u56fe1 \u8303\u5fb7\u534e\u5916\u5ef6\u751f\u957f\u9511\u70ef\u793a\u610f\u56fe\u3001\u5149\u5b66\u7167\u7247(c-f)\u4ee5\u53ca\u539f\u5b50\u529b\u56fe\u50cf<\/strong><\/p>\n

\"11\"<\/a><\/p>\n

\uff08a-b\uff09\u8303\u5fb7\u534e\u5916\u5ef6\u751f\u957f\u9511\u70ef\u793a\u610f\u56fe\uff1b\uff08c-f\uff09\u4e09\u89d2\u5f62\uff0c\u516d\u65b9\u5f62\uff0c\u83f1\u5f62\u53ca\u4f53\u7cfb\u7eb3\u7c73\u7247\u5149\u5b66\u7167\u7247\uff1b\uff08g-h\uff09\u9511\u70ef\u539f\u5b50\u529b\u56fe\u50cf\u3002<\/p>\n

\u56fe2 \u7ed3\u6784\u793a\u610f\u56fe<\/strong><\/p>\n

\"22\"<\/a><\/p>\n

(a-c) \u03b1\u76f8\u9511\u7684\u6676\u4f53\u7ed3\u6784\uff1b(b-d) \u9511\u70ef\u7eb3\u7c73\u7247\u7684EDS Mapping\uff1b(e) \u9511\u70ef\u7684HRTEM\u56fe\u50cf\u4ee5\u53caSEAD\uff1b(f-g) \u5b9e\u9a8c\u4e0e\u6a21\u62df\u6240\u5f97TEM\u56fe\u5bf9\u6bd4<\/p>\n

\u56fe3 \u9511\u70ef\u7684\u62c9\u66fc\u5149\u8c31\u7814\u7a76<\/strong><\/p>\n

\"33\"<\/a><\/p>\n

(a) FL-Sb\uff0c\u5757\u4f53Sb\u4ee5\u53caSb2O3\u5bf9\u6bd4\uff1b(b) \u9511\u70ef\u5bf9\u539a\u5ea6\u4f9d\u8d56\u7684\u62c9\u66fc\u5149\u8c31\u7ed3\u679c\uff1b(c) \u5cf0\u4f4d\u79fb\u52a8\u7edf\u8ba1\u3002<\/p>\n

\u56fe4 \u591a\u5c42\u9511\u70ef\u8584\u819c\u7684\u7a33\u5b9a\u6027\u7814\u7a76<\/strong><\/p>\n

\"44\"<\/a>(a) \u5b58\u653e\u4e00\u4e2a\u6708\u524d\u540eOM\uff0cAFM\u548cRaman\u5bf9\u6bd4\uff1b(b) \u5b58\u653e\u4e00\u4e2a\u6708\u524d\u540eEDS\u7ed3\u679c\u5bf9\u6bd4\uff1b
\n(c) \u9ed1\u78f7\u7684\u6c27\u5316\u6a21\u62df\uff0c1000 fs\u8fc7\u540e\uff0c\u8f7b\u6613\u6c27\u5316\uff1b(d) \u9511\u70ef\u7684\u6c27\u5316\u6a21\u62df\uff0c1000 fs\u8fc7\u540e\uff0c\u4ecd\u7136\u7a33\u5b9a<\/p>\n

\u56fe5 \u9511\u70ef\u7684\u5668\u4ef6\u7814\u7a76<\/strong><\/p>\n

\"55\"<\/a><\/p>\n

\uff08a-c\uff09FET\u793a\u610f\u56fe\uff0c\u5149\u5b66\u7167\u7247\u4ee5\u53ca\u6d4b\u8bd5\u7ed3\u679c;\uff08d\uff09\u5f2f\u6298\u8bd5\u9a8c\uff1b\uff08e-f\uff09\u53ef\u89c1\u5149\u6ce2\u6bb5\u7684\u900f\u8fc7\u7387\u3002<\/p>\n

\u56fe6 \u9511\u70ef\u5728\u4e0d\u540c\u6c89\u5e95\u751f\u957f<\/strong><\/p>\n

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

(a) \u5728SiO2\/Si\u4e0a\u751f\u957f\u9511\u70ef\uff1b(b) \u5728\u84dd\u5b9d\u77f3\u4e0a\u751f\u957f\u9511\u70ef\uff1b<\/p>\n

\u56fe7 \u5b58\u653e\u4e00\u4e2a\u6708\u524d\u540e\u7684XPS\u7ed3\u679c<\/strong><\/p>\n

\"77\"<\/a><\/p>\n

\u56fe8 \u9511\u70ef\u6761\u5e26\u4ee5\u53ca\u5bbd\u5ea6\u7edf\u8ba1\u7ed3\u679c<\/strong><\/p>\n

\"88\"<\/a><\/p>\n

(a-d) \u6761\u5e26\u72b6\u9511\u70ef\u7684\u5149\u5b66\u7167\u7247\uff1b(e) \u9511\u70ef\u6761\u5e26\u5bbd\u5ea6\u7edf\u8ba1\u7ed3\u679c\uff0c\u7ea613%\u4e3a\u7eb3\u7c73\u7ea7\u6761\u5e26\u3002<\/p>\n

\u56fe9 \u9511\u70ef\u5c0f\u7247\u7684TEM\u4ee5\u53caEDS\u5206\u6790<\/strong><\/p>\n

\"88\"<\/a><\/p>\n

\u56fe10 \u9511\u70ef\u751f\u957f\u8fc7\u7a0b<\/strong><\/p>\n

\"33\"<\/a><\/p>\n

\u56fe11 <\/strong>\u03b1-Sb\u4e0e\u03b2-Sb\u7ed3\u6784\u793a\u610f\u56fe<\/strong><\/p>\n

\"44\"<\/a><\/p>\n

(a) \u03b1-Sb\u7684\u7ed3\u6784\u793a\u610f\u56fe\uff1b(b) \u03b2-Sb\u7ed3\u6784\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe12 <\/strong>\u03b1-Sb\u4e0e\u03b2-Sb\u7684\u6a21\u62dfSEAD\u56fe\u50cf<\/strong><\/p>\n

\"555\"<\/a><\/p>\n

\u56fe13 \u03b1-Sb\uff08\u5de6\uff09\u4e0e\u03b2-Sb\uff08\u53f3\uff09\u6a21\u62dfHRTEM<\/strong><\/p>\n

\"66\"<\/a><\/p>\n

\u3010\u603b\u7ed3\u3011<\/strong><\/p>\n

\u622a\u6b62\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u5c11\u5c42\u6216\u591a\u5c42\u9511\u70ef\u7684\u5236\u5907\u4e0e\u57fa\u672c\u8868\u5f81\u5df2\u7ecf\u5b8c\u6210\uff0c\u4f46\u662f\u5355\u5c42\u9511\u70ef\u7684\u5236\u5907\u4ee5\u53ca\u9511\u70ef\u7684\u66f4\u8fdb\u4e00\u6b65\u7814\u7a76\u4ecd\u7136\u7275\u52a8\u4eba\u5fc3\u3002\u800c\u4f17\u591a\u9511\u70ef\u884d\u751f\u7269\u53ef\u80fd\u5177\u6709\u65b0\u5947\u7684\u6027\u8d28\u4f9d\u65e7\u4e91\u906e\u96fe\u7ed5\uff0c\u76f8\u5173\u7684\u5b9e\u9a8c\u5de5\u4f5c\u5c1a\u672a\u62a5\u9053\u3002\u968f\u7740\u5b9e\u9a8c\u7814\u7a76\u7684\u8fdb\u4e00\u6b65\u6df1\u5165\uff0c\u9511\u70ef\u53ca\u5176\u540c\u7d20\u5f02\u5f62\u4f53\u53ca\u5927\u91cf\u7684\u884d\u751f\u7269\u4e5f\u4f1a\u5f97\u5230\u66f4\u591a\u7684\u91cd\u89c6\u3002\u56e0\u6b64\u5e0c\u671b\u6709\u66f4\u591a\u7684\u7814\u7a76\u8005\u53ef\u4ee5\u5171\u540c\u4fc3\u8fdb\u8fd9\u4e00\u9886\u57df\u7684\u53d1\u5c55\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aTwo-dimensional antimonene single crystals\u00a0grown by van der Waals epitaxy<\/a><\/p>\n

\u53c2\u8003\u6587\u732e<\/span><\/strong><\/p>\n

[1] Huo C, Sun X, Yan Z, et al. Few-layer Antimonene: Large Yield Synthesis, Exact Atomical Structure and Outstanding Optical Limiting[J]. Journal of the American Chemical Society, 2016.<\/p>\n

[2] Li L, Yu Y, Ye G J, et al. Black phosphorus field-effect transistors[J]. Nature nanotechnology, 2014, 9(5): 372-377.<\/p>\n

[3] Zhang S, Yan Z, Li Y, et al. Atomically Thin Arsenene and Antimonene: Semimetal\u2013Semiconductor and Indirect\u2013Direct Band\u2010Gap Transitions[J]. Angewandte Chemie International Edition, 2015, 54(10): 3112-3115.<\/p>\n

[4] Zhang S, Xie M, Li F, et al. Semiconducting group 15 monolayers: a broad range of band gaps and high carrier mobilities[J]. Angewandte Chemie, 2016, 128(5): 1698-1701.<\/p>\n

[5] Zhang S, Xie M, Cai B, et al. Semiconductor-topological insulator transition of two-dimensional SbAs induced by biaxial tensile strain[J]. Physical Review B, 2016, 93(24): 245303.<\/p>\n

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[9]\u00a0Wang G, Pandey R, Karna S P. Atomically thin group V Elemental films: theoretical investigations of antimonene allotropes[J]. ACS applied materials & interfaces, 2015, 7(21): 11490-11496.<\/p>\n

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