{"id":76007,"date":"2017-04-15T06:30:21","date_gmt":"2017-04-14T22:30:21","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=76007"},"modified":"2017-04-14T15:28:08","modified_gmt":"2017-04-14T07:28:08","slug":"nature%e5%ad%90%e5%88%8a%ef%bc%9a%e8%b6%85%e8%96%84bi2o2se%e5%8d%8a%e5%af%bc%e4%bd%93%e6%9d%90%e6%96%99%e8%96%84%e8%86%9c%e5%85%b7%e5%a4%87%e8%be%83%e9%ab%98%e7%94%b5%e5%ad%90%e8%bf%81%e7%a7%bb","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=76007","title":{"rendered":"Nature\u5b50\u520a\uff1a\u8d85\u8584Bi2O2Se\u534a\u5bfc\u4f53\u6750\u6599\u8584\u819c\u5177\u5907\u8f83\u9ad8\u7535\u5b50\u8fc1\u79fb\u7387\u548c\u91cf\u5b50\u9707\u8361\u6548\u5e94"},"content":{"rendered":"<p><strong>\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n<p>\u968f\u7740\u96c6\u6210\u7535\u8def\u7cbe\u5ea6\u8981\u6c42\u7684\u4e0d\u65ad\u63d0\u5347\uff0c\u6676\u4f53\u7ba1\u5c3a\u5bf8\u4e5f\u6b63\u5feb\u901f\u5730\u5411\u5c0f\u578b\u5316\u53d1\u5c55\u3002\u73b0\u4ee3\u5fae\u7535\u5b50\u5149\u523b\u6280\u672f\u5df2\u9010\u6e10\u6ee1\u8db3\u4e0d\u4e86\u65e5\u76ca\u589e\u957f\u7684\u4ea7\u54c1\u7cbe\u5ea6\u9700\u6c42\uff0c\u4f20\u7edf\u534a\u5bfc\u4f53\u7684\u52a0\u5de5\u5de5\u827a\u4e5f\u51e0\u4e4e\u5df2\u7ecf\u8fbe\u5230\u4e86\u7269\u7406\u6781\u9650\u3002\u56e0\u6b64\uff0c\u5bfb\u6c42\u65b0\u578b\u9ad8\u6027\u80fd\u534a\u5bfc\u4f53\u6750\u6599\u6210\u4e3a\u4e86\u76ee\u524d\u57fa\u7840\u7814\u7a76\u7684\u91cd\u5fc3\uff0c\u5177\u5907\u9ad8\u7535\u5b50\u8fc1\u79fb\u7387\u7684\u8d85\u8584\u534a\u5bfc\u4f53\u8584\u819c\u662f\u6784\u7b51\u73b0\u4ee3\u5fae\u7eb3\u7535\u5b50\u5668\u4ef6\u7684\u6839\u672c\u3002\u867d\u7136\u77f3\u58a8\u70ef\u7684\u95ee\u4e16\u63a8\u52a8\u4e86\u5305\u62ec\u8fc7\u6e21\u91d1\u5c5e\u786b\u65cf\u5316\u5408\u7269\u7b49\u4e00\u7cfb\u5217\u4e8c\u7ef4\u534a\u5bfc\u4f53\u6750\u6599\u7684\u7814\u7a76\u70ed\u6f6e\uff0c\u4f46\u6027\u80fd\u4f18\u5f02\u4e14\u73af\u5883\u7a33\u5b9a\u7684\u8d85\u8584\u534a\u5bfc\u4f53\u6750\u6599\u7684\u53ef\u63a7\u5236\u5907\u4ecd\u5904\u4e8e\u79d1\u7814\u63a2\u7d22\u9636\u6bb5\u3002<\/p>\n<p><strong>\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n<p>\u8fd1\u65e5\uff0c<strong>\u5317\u4eac\u5927\u5b66\u5f6d\u6d77\u7433\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u5728<strong>Nature Nanotechnology<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u4e3a \u201c<strong>High electron mobility and quantum oscillations in non-encapsulated ultrathin semiconducting Bi<sub>2<\/sub>O<sub>2<\/sub>Se<\/strong>\u201d \u7684\u6587\u7ae0\u3002\u5728\u8be5\u6587\u4e2d\uff0c\u62a5\u9053\u4e86\u4e00\u79cd\u901a\u8fc7\u5316\u5b66\u6c14\u76f8\u6c89\u79ef\u6cd5(CVD)\u5916\u5ef6\u751f\u957f\u534a\u5bfc\u4f53Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u8584\u819c\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u6b64\u6cd5\u5236\u5f97\u7684Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u6676\u4f53\u5177\u6709\u7279\u6b8a\u7684\u5c42\u72b6\u7ed3\u6784\uff1a\u4ee5\u5171\u4ef7\u952e\u7ed3\u5408\u7684\u4e8c\u7ef4Bi<sub>2<\/sub>O<sub>2<\/sub>\u5c42\u901a\u8fc7\u5fae\u5f31\u7684\u9759\u7535\u76f8\u4e92\u4f5c\u7528\u5939\u5728\u4e24\u5c42Se\u539f\u5b50\u70b9\u9635\u4e2d\u3002\u6b64\u5916\uff0c\u8be5Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u8584\u819c\u6750\u6599\u8fd8\u5177\u6709\u8d85\u9ad8\u7684\u7535\u5b50\u8fc1\u79fb\u7387\u548c\u826f\u597d\u7684\u73af\u5883\u7a33\u5b9a\u6027\uff0c\u5728\u4f4e\u6e29\u4e0b\uff0c\u5176\u970d\u5c14\u8fc1\u79fb\u7387\u53ef\u8d85\u8fc720000cm<sup>2<\/sup>V<sup>-1<\/sup>S<sup>-1<\/sup>\u3002\u5f97\u76ca\u4e8e\u9ad8\u8fc1\u79fb\u7387\u7684\u7535\u5b50\u957f\u5e73\u5747\u81ea\u7531\u7a0b\uff0c\u5728\u8be5\u5c42\u72b6Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u6750\u6599\u4e2d\uff0c\u7814\u7a76\u4eba\u5458\u89c2\u6d4b\u5230\u4e86\u8212\u5e03\u5c3c\u79d1\u592b-\u5fb7\u54c8\u65af(SDH)\u91cf\u5b50\u632f\u8361\u73b0\u8c61\u3002\u5728\u5ba4\u6e29\u4e0b\uff0c\u57fa\u4e8e\u53cc\u5c42Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u6676\u4f53\u7684\u573a\u6548\u5e94\u6676\u4f53\u7ba1\u5177\u6709\u9ad8\u8fbe450 cm<sup>2<\/sup>V<sup>-1<\/sup>S<sup>-1<\/sup>\u7684\u8fc1\u79fb\u7387\u3001\u8d8510<sup>6<\/sup>\u7684\u7535\u6d41\u5f00\u5173\u6bd4\u4ee5\u53ca\u8fd1\u4e4e\u7406\u60f3\u7684\u4e9a\u9600\u503c\u6446\u5e45\uff0c\u5373S\u56e0\u5b50\u7ea665mVdec<sup>-1<\/sup>\u3002<\/p>\n<p><strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n<p><strong>\u56fe<\/strong><strong>1\uff1a<\/strong><strong>\u5c42\u72b6<\/strong><strong>Bi<sub>2<\/sub>O<sub>2<\/sub>Se<\/strong><strong>\u7684\u6676\u4f53\u7ed3\u6784\u548c\u7535\u5b50\u7ed3\u6784<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-76137\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/04\/Fig.1-1.png\" alt=\"\" width=\"600\" height=\"479\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/04\/Fig.1-1.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/04\/Fig.1-1-300x240.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>(a). Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u7684\u5c42\u72b6\u6676\u4f53\u7ed3\u6784\uff1a\u56db\u65b9\uff08Bi<sub>2<\/sub>O<sub>2<\/sub>\uff09n\u5c42\u4e0eSe<sub>n<\/sub>\u5c42\u6cbfc\u8f74\u4ea4\u66ff\u5806\u579b\u3002<\/p>\n<p>(b). \u5229\u7528\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\u6240\u5f97\u7684Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u6676\u4f53\u80fd\u5e26\u7ed3\u6784\u548c\u6001\u5bc6\u5ea6\u56fe\uff0c\u63d2\u56fe\u4e3aBi<sub>2<\/sub>O<sub>2<\/sub>Se\u6676\u4f53\u7684\u7b2c\u4e00\u5e03\u91cc\u6e0a\u533a\uff0c\u8ba1\u7b97\u6240\u5f97\u5e26\u9699\u7ea6\u4e3a0.85eV\u3002<\/p>\n<p>(c,d). \u89d2\u5206\u8fa8\u5149\u7535\u5b50\u8c31\uff08ARPES\uff09\u6d4b\u8bd5\uff1a\u5757\u4f53Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u7684\u80fd\u5e26\u7ed3\u6784\u548c\u6001\u5bc6\u5ea6\u56fe\u3002<\/p>\n<p>(e). \u5229\u7528\u8868\u9762K-dosing\u63d0\u9ad8\u5316\u5b66\u4f4d\u540e\uff0c\u8fdb\u884c\u6d4b\u8bd5\u6240\u5f97\u7684\u5bfc\u5e26\u7684\u80fd\u5e26\u8272\u6563\u5173\u7cfb\u548c\u6001\u5bc6\u5ea6\u56fe\uff0c\u6d4b\u8bd5\u5206\u6790\u663e\u793aBi<sub>2<\/sub>O<sub>2<\/sub>Se\u6676\u4f53\u5177\u6709\u8f83\u4f4e\u7684\u6709\u6548\u8d28\u91cf\uff0c\u4ec5\u4e3a0.14\u00b10.02m<sub>0<\/sub>\u3002<\/p>\n<p><strong>\u56fe<\/strong><strong>2\uff1a<\/strong><strong>\u5c42\u72b6<\/strong><strong>Bi<sub>2<\/sub>O<sub>2<\/sub>Se<\/strong><strong>\u7eb3\u7c73\u7247\u7684\u5236\u5907\u4e0e\u8868\u5f81<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-76138\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/04\/Fig.2-1.png\" alt=\"\" width=\"600\" height=\"388\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/04\/Fig.2-1.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/04\/Fig.2-1-300x194.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>(a,b).\u5229\u7528CVD\u5236\u5907\u7684\u6b63\u65b9\u5f62Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u7eb3\u7c73\u7247\u5149\u5b66\u663e\u5fae\u955c\u7167\u7247\u3002<\/p>\n<p>(c,d). \u76f8\u5e94\u7684Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u6676\u4f53\u539f\u5b50\u529b\u663e\u5fae\u955c\uff08AFM\uff09\u7167\u7247\uff0c\u663e\u793a\u8584\u819c\u539a\u5ea6\u5206\u522b\u4e3a6.7nm\uff08\u7ea611\u5c42\uff09\u548c0.8nm\uff08\u5355\u5c42\uff09\u3002<\/p>\n<p>(e). Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u6676\u4f53\u7684XRD\u884d\u5c04\u56fe\u8c31\uff0c\u56fe\u8c31\u4e2d(002)\uff0c(004)\u548c(006)\u6676\u9762\u6307\u6570\u4e0e\u5355\u76f8\u56db\u65b9Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u7684\u6807\u51c6\u884d\u5c04\u56fe\u8c31\u76f8\u543b\u5408\u3002<\/p>\n<p>(f). \u6b63\u65b9\u5f62Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u7eb3\u7c73\u7247\u7684TEM\u7167\u7247\u3002<\/p>\n<p>(g). Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u7eb3\u7c73\u7247\u7684HRTEM\u56fe\uff0c\u63d2\u56fe\u4e3a\u9009\u533a\u7535\u5b50\u884d\u5c04\u8c31(SAED)\u56fe\uff0c\u8bc1\u5b9e\u8be5\u7eb3\u7c73\u7247\u4e3a\u5355\u6676\u3002<\/p>\n<p>(h). \u591a\u5c42Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u7eb3\u7c73\u7247\u8fb9\u7f18\u7684HRTEM\u56fe\uff0c\u663e\u793aBi<sub>2<\/sub>O<sub>2<\/sub>Se\u7684\u6676\u683c\u5e38\u6570\u4e3a0.61nm\uff0c\u4e0e\u56db\u65b9Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u7684\u5355\u5c42\u9ad8\u5ea6\u543b\u5408\u3002<\/p>\n<p>(i-l). Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u7eb3\u7c73\u7247\u7684\u9ad8\u89d2\u73af\u5f62\u6697\u573a(HAADF)\u56fe\u50cf\u53ca\u5bf9\u5e94\u7684\u5143\u7d20\u5206\u5e03\u56fe\u3002<\/p>\n<p><strong>\u56fe<\/strong><strong>3\uff1aBi<sub>2<\/sub>O<sub>2<\/sub>Se<\/strong><strong>\u6676\u4f53\u7684\u8212\u5e03\u5c3c\u79d1\u592b<\/strong><strong>&#8211;<\/strong><strong>\u5fb7\u54c8\u65af<\/strong><strong>(SDH)<\/strong><strong>\u91cf\u5b50\u632f\u8361<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-76134\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/04\/Fig.3-2.png\" alt=\"\" width=\"600\" height=\"254\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/04\/Fig.3-2.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/04\/Fig.3-2-300x127.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>(a). Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u6676\u4f53\u7684\u970d\u5c14\u8fc1\u79fb\u7387(\u03bc<sub>Hall<\/sub>)\u548c\u8f7d\u6d41\u5b50\u6d53\u5ea6(n)\u968f\u6e29\u5ea6\u53d8\u5316\u7684\u5173\u7cfb\u66f2\u7ebf\uff0c\u63d2\u56fe\u4e3a\u572820.9nm\u539a\u7684Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u7eb3\u7c73\u7247\u4e0a\u5236\u5907\u7684\u970d\u5c14\u6761\u7684\u5149\u5b66\u663e\u5fae\u955c\u7167\u7247\uff0c\u8be5\u88c5\u7f6e\u57281.9K\u6e29\u5ea6\u4e0b\u7684\u970d\u5c14\u8fc1\u79fb\u7387\u4e3a18500cm<sup>2<\/sup>V<sup>-1<\/sup>s<sup>-1<\/sup>\u3002<\/p>\n<p>(b). SDH\u91cf\u5b50\u9707\u8361\u7684\u7eb5\u5411\u78c1\u963b\u548c\u5782\u76f4\u65b9\u5411\u7684\u65bd\u52a0\u78c1\u573a\u4e4b\u95f4\u7684\u53d8\u5316\u5173\u7cfb\u56fe\uff0c\u6d4b\u8bd5\u6e29\u5ea6\u4e3a1.9-30 K\u3002<\/p>\n<p>(c). \u5728\u78c1\u573a\u5f3a\u5ea6\u4e3a12.8 T\u65f6\uff0cSDH\u9707\u8361\u7684\u25b3R\/R<sub>0<\/sub>\u968f\u6e29\u5ea6\u7684\u53d8\u5316\u53ca\u5176\u674e\u798f\u5931\u8328<strong>\u00b7<\/strong>\u8003\u745f\u7ef4\u5947\u62df\u5408(Lifshitz-Kosevich fitting)\uff0c\u6d4b\u8bd5\u7ed3\u679c\u663e\u793a\u7535\u5b50\u5177\u6709\u5f88\u4f4e\u7684\u56de\u65cb\u9707\u8361\u6709\u6548\u8d28\u91cf(0.14\u00b1m<sub>0<\/sub>)\u3002<\/p>\n<p><strong>\u56fe<\/strong><strong>4\uff1a<\/strong><strong>\u4ee5<\/strong><strong>Bi<sub>2<\/sub>O<sub>2<\/sub>Se<\/strong><strong>\u4e3a\u6c9f\u9053\u7684\u9876\u6805\u573a\u6548\u5e94\u6676\u4f53\u7ba1<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-76135\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/04\/Fig.4-2.png\" alt=\"\" width=\"600\" height=\"299\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/04\/Fig.4-2.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/04\/Fig.4-2-300x150.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>(a). \u5ba4\u6e29\u4e0b\uff0c6.2nm\u539a\u7684Bi<sub>2<\/sub>O<sub>2<\/sub>Se FETs\u7684\u8f93\u51fa\u7279\u6027\u66f2\u7ebf\uff0c\u63d2\u56fe\u4e3aFETs\u7ed3\u6784\u793a\u610f\u56fe\u548c\u5149\u5b66\u663e\u5fae\u56fe\u7247\u3002<\/p>\n<p>(b). \u4e0d\u540c\u6e90\u6f0f\u7535\u538b\u4e0b(100, 50, 20V)\u4e0b\uff0c\u5668\u4ef6\u7684\u8f6c\u79fb\u7279\u6027\u66f2\u7ebf(I<sub>ds<\/sub>-V<sub>g<\/sub>)\uff0c\u8868\u73b0\u51fa\u4e86\u7ea6\u4e3a10<sup>6<\/sup>\u7684\u7535\u6d41\u5f00\u5173\u6bd4\u548c\u7ea6\u4e3a65mVdec<sup>-1<\/sup>\u8fd1\u4e4e\u5b8c\u7f8e\u7684\u4e9a\u9600\u503c\u6446\u5e45\uff08S\u56e0\u5b50\uff09\u3002<\/p>\n<p>(c). \u4e0d\u540c\u504f\u538b\u4e0b\u7684\u573a\u6548\u5e94\u8fc1\u79fb\u7387(\u03bc<sub>app<\/sub>)\uff0c\u5176\u4e2d\u03bc<sub>app<\/sub>\u7531d<em>I<sub>ds<\/sub><\/em>\/d<em>V<sub>g<\/sub><\/em>\u5fae\u5206\u5173\u7cfb\u6c42\u5f97\u3002<\/p>\n<p>(d). \u03bc<sub>app<\/sub>\u548c<em>I<sub>on<\/sub><\/em>\/<em>I<sub>off<\/sub><\/em>\u968f\u6c9f\u9053\u539a\u5ea6\u7684\u53d8\u5316\u66f2\u7ebf\uff0c\u5176\u4e2d\u03bc<sub>app<\/sub>\u901a\u8fc7\u8f6c\u79fb\u7279\u6027\u66f2\u7ebf\u4e2d\u7684\u7ebf\u6027\u90e8\u5206\u6c42\u5f97\u3002<\/p>\n<p>(e). \u4e0d\u540c\u539a\u5ea6(1.5-16nm) Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u7684\u5ba4\u6e29\u970d\u5c14\u8fc1\u79fb\u7387\u3002<\/p>\n<p>(f). \u4e0d\u540cBi<sub>2<\/sub>O<sub>2<\/sub>Se\u6c9f\u9053\u539a\u5ea6\u4e0b\uff0c\u6750\u6599\u7535\u963b\u7387\u968f\u6e29\u5ea6\u7684\u53d8\u5316\u66f2\u7ebf\u3002<\/p>\n<p><strong>\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n<p>\u5728\u8be5\u9879\u7814\u7a76\u4e2d\uff0c\u7814\u7a76\u4eba\u5458\u901a\u8fc7CVD\u6cd5\u5b9e\u73b0\u4e86\u5927\u5c3a\u5bf8\u5c42\u72b6Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u5355\u6676\u8584\u819c\u7684\u751f\u957f\uff0c\u8fd9\u662f\u4fdd\u8bc1\u5176\u5e94\u7528\u4e8e\u5fae\u7eb3\u7535\u5b50\u5668\u4ef6\u7684\u524d\u63d0\uff1b\u4ee5\u8be5\u6750\u6599\u4e3a\u6c9f\u9053\u7684FETs\u7535\u6d41\u5f00\u5173\u6bd4\u53ef\u9ad8\u8fbe\u523010<sup>6<\/sup>\uff0c\u800c\u4e4b\u524d\u57fa\u4e8e\u77f3\u58a8\u548c\u8fc7\u6e21\u91d1\u5c5e\u786b\u65cf\u5316\u5408\u7269\u7684FETs\u5f00\u5173\u6bd4\u4ec5\u4e3a10<sup>4<\/sup>\uff0c\u5176\u4f18\u5f02\u7684\u4e9a\u9600\u503c\u7279\u6027\u4e5f\u63a5\u8fd1\u4f20\u7edf\u7684\u91d1\u5c5e\u6c27\u5316\u7269\u534a\u5bfc\u4f53\uff0c\u540c\u65f6\u8fd8\u5177\u6709\u8f83\u9ad8\u7684\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\uff0c\u8fd9\u4e9b\u90fd\u662f\u5b9e\u73b0\u9ad8\u901f\u4f4e\u80fd\u903b\u8f91\u5668\u4ef6\u8bbe\u8ba1\u7684\u5173\u952e\uff1b\u800cBi<sub>2<\/sub>O<sub>2<\/sub>Se\u8584\u819c\u4e2d\u8f83\u957f\u7684\u5e73\u5747\u81ea\u7531\u7a0b\u4e5f\u4f7f\u5176\u5728\u970d\u5c14\u6d4b\u8bd5\u4e2d\u8868\u73b0\u51fa\u4e86SDH\u91cf\u5b50\u9707\u8361\u73b0\u8c61\uff0c\u5e76\u901a\u8fc7\u5176\u970d\u5c14\u8fc1\u79fb\u7387\u4e0e\u6750\u6599\u539a\u5ea6\u7684\u5173\u7cfb\u5206\u6790\uff0c\u5f97\u51fa\u4e86\u8868\u9762\u548c\u754c\u9762\u5bf9\u7535\u5b50\u6563\u5c04\u7684\u6291\u5236\u4f5c\u7528\u7684\u7ed3\u679c\u3002Bi<sub>2<\/sub>O<sub>2<\/sub>Se\u6750\u6599\u7684\u4e8c\u7ef4\u5f62\u8c8c\u3001\u4f18\u5f02\u7535\u5b66\u6027\u80fd\u3001\u5316\u5b66\u7a33\u5b9a\u6027\u548c\u8f83\u4f4e\u7684\u5236\u5907\u96be\u5ea6\u90fd\u4f7f\u5176\u53ef\u4ee5\u5e94\u7528\u4e8e\u65b0\u4e00\u4ee3\u903b\u8f91\u5668\u4ef6\u548c\u67d4\u6027\u7535\u5b50\u5668\u4ef6\u3002<\/p>\n<p><strong>\u6587\u732e\u94fe\u63a5<\/strong>\uff1a<a href=\"http:\/\/www.nature.com\/nnano\/journal\/vaop\/ncurrent\/full\/nnano.2017.43.html\">High electron mobility and quantum oscillations in non-encapsulated ultrathin semiconducting Bi<sub>2<\/sub>O<sub>2<\/sub>Se<\/a>\uff08Nat. Nanotechnol.\uff0c 2017\uff0cDOI:10.1038\/nnano.2017.43\uff09<\/p>\n<p>\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u4efb\u4e39\u4e39\u7f16\u8bd1\uff0c\u8d75\u98de\u9f99\u5ba1\u6838\uff0c<a href=\"http:\/\/www.cailiaoniu.com\/25127.html\">\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n<p><strong>\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a<\/strong><a href=\"http:\/\/www.ceshigu.com\/\"><strong>\u6d4b\u8bd5\u8c37<\/strong><\/a><strong>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u5f15\u8a00\u3011 \u968f\u7740\u96c6\u6210\u7535\u8def\u7cbe\u5ea6\u8981\u6c42\u7684\u4e0d\u65ad\u63d0\u5347\uff0c\u6676\u4f53\u7ba1\u5c3a\u5bf8\u4e5f\u6b63\u5feb\u901f\u5730\u5411\u5c0f\u578b\u5316\u53d1\u5c55\u3002\u73b0\u4ee3\u5fae\u7535\u5b50\u5149\u523b\u6280\u672f\u5df2\u9010\u6e10\u6ee1\u8db3\u4e0d\u4e86\u65e5\u76ca\u589e\u957f\u7684\u4ea7\u54c1\u7cbe\u5ea6\u9700\u6c42\uff0c\u4f20\u7edf\u534a\u5bfc\u4f53\u7684\u52a0\u5de5\u5de5\u827a\u4e5f\u51e0\u4e4e\u5df2&#8230;<\/p>\n","protected":false},"author":230,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215,2],"tags":[31],"class_list":["post-76007","post","type-post","status-publish","format-standard","hentry","category-jiedu","category-keji","tag-dianzi"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/76007"}],"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\/230"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=76007"}],"version-history":[{"count":6,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/76007\/revisions"}],"predecessor-version":[{"id":76139,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/76007\/revisions\/76139"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=76007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=76007"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=76007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}