{"id":143976,"date":"2018-06-30T14:00:39","date_gmt":"2018-06-30T06:00:39","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=143976"},"modified":"2018-06-28T13:01:57","modified_gmt":"2018-06-28T05:01:57","slug":"science-advances%ef%bc%9a%e8%8c%83%e5%be%b7%e5%8d%8e%e7%ba%b3%e7%b1%b3%e7%bb%93%e6%9e%84%e4%b8%ad%e7%9a%84%e8%b6%85%e5%8f%97%e9%99%90%e4%b8%ad%e7%ba%a2%e5%a4%96%e5%85%b1%e6%8c%af%e5%a3%b0%e5%ad%90","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=143976","title":{"rendered":"Science Advances\uff1a\u8303\u5fb7\u534e\u7eb3\u7c73\u7ed3\u6784\u4e2d\u7684\u8d85\u53d7\u9650\u4e2d\u7ea2\u5916\u5171\u632f\u58f0\u5b50\u6781\u5316\u5b50"},"content":{"rendered":"

\u3010\u524d\u8a00\u3011<\/strong><\/p>\n

\u7531\u4e8e\u4e8c\u7ef4(2D)\u548c\u8303\u5fb7\u534e\u6750\u6599\u8fd9\u4e9b\u9769\u547d\u6027\u6750\u6599\u7684\u65b0\u7269\u7406\u6027\u8d28\u7684\u53d1\u73b0\uff0c\u7eb3\u7c73\u5149\u5b50\u5b66\u800c\u6210\u4e3a\u65e5\u76ca\u91cd\u8981\u7684\u9886\u57df\u3002\u5c24\u5176\u662f\u4e8c\u7ef4\u6750\u6599\u4e2d\u7684\u6781\u5316\u5b50\uff0c\u7279\u522b\u662f\u77f3\u58a8\u70ef\u4e2d\u7684\u7b49\u79bb\u5b50\u4f53\u6781\u5316\u5b50\uff0c\u4f5c\u4e3a\u5f3a\u5149-\u7269\u8d28\u76f8\u4e92\u4f5c\u7528\u7684\u5e73\u53f0\uff0c\u4ee5\u53ca\u4f20\u611f\u3001\u5149\u8c03\u5236\u548c\u53ef\u8c03\u5929\u7ebf\u7b49\u5e94\u7528\uff0c\u5df2\u7ecf\u5f15\u8d77\u4e86\u4eba\u4eec\u7684\u5e7f\u6cdb\u5173\u6ce8\u3002\u8fd1\u6765\uff0c\u516d\u8fb9\u5f62\u6c2e\u5316\u787c(h – BN)\u4e2d\u7684\u58f0\u5b50\u6781\u5316\u5b50\u88ab\u63d0\u51fa\u6765\u5b9e\u73b0\u4e2d\u7ea2\u5916\u9891\u7387\u4e0b\u7684\u5f3a\u7ea6\u675f\u6ce2\u5bfc\u4f20\u64ad\u3002\u8868\u9762\u6781\u5316\u5b50\u5728h – BN\u8584\u7247\u4e2d\u7684\u4f20\u64ad\u548c\u9a7b\u6ce2\u5728h – BN\u5e26\u3001\u5706\u9525\u548c\u7eb3\u7c73\u68d2\u4e2d\u7684\u5b58\u5728\u90fd\u5f97\u5230\u4e86\u5b9e\u9a8c\u8bc1\u5b9e\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6765\u81ea\u7f8e\u56fd\u54c8\u4f5b\u5927\u5b66\u7684Michele Tamagnone\u6559\u6388\u548cAntonio Ambrosio\u6559\u6388<\/strong>\u5728Science Advances<\/strong>\u53d1\u8868\u6587\u7ae0\uff0c\u9898\u4e3a\uff1altra-confined mid-infrared resonant phonon polaritons in van der Waals nanostructures<\/strong>\u3002\u4f5c\u8005\u53d1\u73b0\u5f3a\u7684\u4e9a\u6ce2\u957f\u516d\u65b9\u6c2e\u5316\u787c\u5e73\u9762\u7eb3\u7c73\u7ed3\u6784\u53ef\u4ee5\u8868\u73b0\u51fa\u8d85\u53d7\u9650\u5171\u632f\u548c\u5c40\u90e8\u573a\u589e\u5f3a\u7684\u7279\u6027\u3002\u4f5c\u8005\u901a\u8fc7\u5149\u8bf1\u5bfc\u529b\u663e\u5fae\u955c\u3001\u6563\u5c04\u578b\u626b\u63cf\u8fd1\u573a\u5149\u5b66\u663e\u5fae\u955c\u548c\u5085\u91cc\u53f6\u53d8\u6362\u7ea2\u5916\u5149\u8c31\u7814\u7a76\u4e86\u8fd9\u4e9b\u7eb3\u7c73\u5c3a\u5ea6\u7ed3\u6784\u4e2d\u7684\u5f3a\u5149-\u7269\u8d28\u76f8\u4e92\u4f5c\u7528\uff0c\u4e0e\u6570\u503c\u6a21\u62df\u6709\u5f88\u597d\u7684\u4e00\u81f4\u6027\u3002\u4f5c\u8005\u8bbe\u8ba1\u5149\u5b66\u7eb3\u7c73\u5076\u6781\u5929\u7ebf\uff0c\u5e76\u76f4\u63a5\u6210\u50cf\u4eae\u6216\u6697\u6a21\u5f0f\u5171\u632f\u6fc0\u53d1\u65f6\u7684\u573a\u3002\u4f5c\u8005\u8ba4\u4e3a\uff0c\u516d\u65b9\u6c2e\u5316\u787c\u4e2d\u7684\u58f0\u5b50\u6781\u5316\u5b50\u5728\u53ef\u89c1\u5149\u8303\u56f4\u5185\u53ef\u4ee5\u8d77\u5230\u7c7b\u4f3c\u8d35\u91d1\u5c5e\u4e2d\u7b49\u79bb\u5b50\u4f53\u6fc0\u5143\u7684\u4f5c\u7528\uff0c\u4e3a\u65b0\u578b\u9ad8\u6548\u3001\u9ad8\u5c0f\u578b\u5316\u7684\u7eb3\u7c73\u5149\u5b50\u5668\u4ef6\u94fa\u5e73\u4e86\u9053\u8def\u3002<\/p>\n

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

\u56fe1. RS2\u6ce2\u6bb5h – BN\u7eb3\u7c73\u76d8\u7684\u5171\u632f\u6a21\u5f0f<\/strong><\/p>\n

\"\"<\/p>\n

(A) h – BN\u7684\u9762\u5185\u548c\u9762\u5916\u76f8\u5bf9\u4ecb\u7535\u5e38\u6570\uff1b<\/p>\n

(B) RS2\u6ce2\u6bb550 nm h-BN\/285nm SiO2<\/sub>\/Si\u7684\u57fa\u672c\u4f20\u64ad\u6a21\u5f0f\uff1b<\/p>\n

(C)\u6a21\u5f0f\u6709\u6548\u6307\u6570\u4f5c\u4e3a\u9891\u7387\u51fd\u6570\u7684\u6570\u503c\u8ba1\u7b97;<\/p>\n

(D) h – BN\u88ab\u56fe\u6848\u5316\u4ee5\u4ea7\u751f\u5c3a\u5bf8\u6bd4\u81ea\u7531\u7a7a\u95f4\u6ce2\u957f\u5c0f10\u81f350\u500d\u7684\u7c92\u5b50;<\/p>\n

(E) RS2\u5e26\u4e2dh – BN\u76d8\u7684\u7b2c\u4e00\u6a21\u5f0f\u7684\u7535\u8377\u5bc6\u5ea6;<\/p>\n

\u56fe2. \u7528s – SNOM\u6210\u50cf\u5171\u632f\u6a21\u5f0f<\/strong><\/p>\n

\"\"<\/p>\n

(A) s – SNOM\u8bbe\u7f6e\u7684\u7b80\u5316\u793a\u610f\u56fe;<\/p>\n

(B)\u6d4b\u91cf\u7684\u632f\u5e45\u662f\u8fd9\u91cc\u5217\u51fa\u7684\u51e0\u79cd\u8d21\u732e\u7684\u53e0\u52a0\uff0c\u6bcf\u79cd\u8d21\u732e\u90fd\u4e0e\u5c16\u7aef-\u6837\u54c1\u7cfb\u7edf\u4e2d\u5149\u5b50\u7684\u53ef\u80fd\u8def\u5f84\u76f8\u5173\u8054;<\/p>\n

(C)\u4e09\u79cd\u8d21\u732e\u5206\u5f00\u7684\u7a0b\u5e8f;<\/p>\n

(D)\u5206\u79bb\u76f4\u5f84D = 730 nm\u7684\u76d8\u7684\u57fa\u7840\u6a21\u5f0f(1425 cm-1<\/sup>)\u7684\u8d21\u732e\u7684\u4f8b\u5b50;<\/p>\n

(E)\u4e0e(D)\u76f8\u540c\uff0c\u7528\u4e8e\u4e8c\u6b21\u8c10\u6ce2;<\/p>\n

(F)\u4f7f\u7528\u4e8c\u6b21\u8c10\u6ce2\u7684\u9ad8\u9636\u6a21\u5f0f(n = 2\uff0cs = 1\uff0c1527 cm-1<\/sup>);<\/p>\n

\u56fe3. \u7eb3\u7c73\u76d8\u7684PiFM\u6210\u50cf\u548c\u6d88\u5149\u622a\u9762<\/strong><\/p>\n

\"\"<\/p>\n

(A)\u524d\u56db\u4e2a\u5171\u632f\u6a21\u5f0f(\u76f4\u5f84\u4e3a730 nm\u7684\u5706\u76d8)\u7684\u9ad8\u5149\u8c31PiFM\u6210\u50cf\u4e0e\u9884\u671f\u7684\u5206\u6790\u6a21\u5f0f\u5206\u5e03\u56fe\u6bd4\u8f83;<\/p>\n

(B)\u5206\u6790\u548c\u6570\u503c\u8ba1\u7b97(\u4f7f\u7528Lumerical FDTD )\u5e76\u4f7f\u7528PiFM\u6d4b\u91cf\u7684\u51e0\u79cd\u76d8\u6a21\u5f0f\u7684\u5171\u632f\u9891\u7387\u7684\u6bd4\u8f83;<\/p>\n

(C)\u4ece\u540c\u4e00\u4e2a\u9ad8\u5149\u8c31\u6d4b\u91cf\u4e2d\uff0c\u53ef\u4ee5\u5728\u5706\u76d8\u7684\u5404\u4e2a\u70b9\u4e0a\u83b7\u5f97\u5149\u8c31\uff0c\u4ece\u800c\u786e\u5b9a\u5706\u76d8\u4e2d\u7684\u6a21\u7684\u5171\u632f\u9891\u7387\u6bd4\u81ea\u7531\u7a7a\u95f4\u6ce2\u957f(\u7ea67 mm )\u5c0f\u51e0\u5341\u500d;<\/p>\n

(D)\u9ad8\u7535\u963b\u7387\u7845(\u76d8\u76f4\u5f84D = 480 nm)\u4e0ah-BN\u7eb3\u7c73\u76d8\u9635\u5217\u7684\u900f\u5c04\u7ea2\u5916\u6d4b\u91cf\uff1b<\/p>\n

\u56fe4. \u5177\u6709h – BN\u7684\u5149\u5b66\u6781\u5316\u5076\u6781\u5b50\u5929\u7ebf<\/strong><\/p>\n

\"\"<\/p>\n

(A)\u5668\u4ef6\u7684\u51e0\u4f55\u5f62\u72b6( W = 440nm\uff0cL = 850nm\uff0cG\u224550nm\uff0ct = 50nm;<\/p>\n

(B)\u5bf9\u4e8e\u53d8\u5316\u7684\u5929\u7ebf\u95f4\u9699\uff0c\u5165\u5c04\u5e73\u9762\u6ce2\u7684\u7eb5\u5411\u573a\u589e\u5f3a\u7684\u6570\u503c\u8ba1\u7b97;<\/p>\n

(C)\u5355\u692d\u5706\u5929\u7ebf\u81c2\u524d\u4e03\u4e2a\u8c10\u632f\u6a21\u5f0f\u7684\u6570\u503c\u6a21\u62df;<\/p>\n

(D)\u7b2c\u4e00\u6a21\u5f0f\u7684PiFM\u6210\u50cf\uff0c\u5176\u663e\u793a\u51fa\u4e0e\u7406\u8bba\u8ba1\u7b97\u7684\u826f\u597d\u4e00\u81f4\u6027;<\/p>\n

(E) s – SNOM\u6d4b\u91cf(1400 cm-1<\/sup>)\uff0c\u8d21\u732e\u5206\u79bb\u5982\u56fe3\u6240\u793a\uff0c\u5165\u5c04\u5149\u5e73\u884c\u4e8e\u5076\u6781\u5929\u7ebf;<\/p>\n

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

\u7814\u7a76\u4eba\u5458\u8ba4\u4e3ah-BN\u7eb3\u7c73\u7ed3\u6784\u4e2d\u58f0\u5b50\u6781\u5316\u5b50\u589e\u5f3a\u7ea2\u5916\u5149\u4e0e\u7269\u8d28\u76f8\u4e92\u4f5c\u7528\u7684\u72ec\u7279\u80fd\u529b\uff0c\u5c06\u4e3a\u65b0\u578b\u9ad8\u6548\u3001\u9ad8\u5ea6\u5c0f\u578b\u5316\u7684\u7eb3\u7c73\u5149\u5b50\u5668\u4ef6\u94fa\u5e73\u9053\u8def\uff0c\u5e76\u5141\u8bb8\u5728\u8fd9\u4e9b\u6ce2\u957f\u89c2\u5bdf\u65b0\u73b0\u8c61\u3002\u8fd9\u4e9b\u58f0\u5b50\u6781\u5316\u5b50\u65e0\u7591\u662f\u53ef\u89c1\u5149\u8303\u56f4\u5185\u8d35\u91d1\u5c5e\u7b49\u79bb\u5b50\u4f53\u6fc0\u5143\u7684\u4e2d\u7ea2\u5916\u5bf9\u5e94\u7269\uff0c\u5bf9\u672a\u6765\u4e2d\u7ea2\u5916\u5149\u5b66\u5668\u4ef6\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Ultra-confined mid-infrared resonant phonon polaritons in van der Waals nanostructures<\/a>\uff0c(Science Advances, 2018, DOI: 10.1126\/sciadv.aat7189)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7535\u5b50\u7535\u5de5\u5b66\u672f\u7ec4Z. Chen\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n

\u6750\u6599\u725b\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\u6750\u6599\u4eba\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\u7bb1\uff1atougao@cailiaoren.com\u3002<\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu\u3002<\/p>\n

\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a<\/strong>\u6d4b\u8bd5\u8c37<\/strong><\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u524d\u8a00\u3011 \u7531\u4e8e\u4e8c\u7ef4(2D)\u548c\u8303\u5fb7\u534e\u6750\u6599\u8fd9\u4e9b\u9769\u547d\u6027\u6750\u6599\u7684\u65b0\u7269\u7406\u6027\u8d28\u7684\u53d1\u73b0\uff0c\u7eb3\u7c73\u5149\u5b50\u5b66\u800c\u6210\u4e3a\u65e5\u76ca\u91cd\u8981\u7684\u9886\u57df\u3002\u5c24\u5176\u662f\u4e8c\u7ef4\u6750\u6599\u4e2d\u7684\u6781\u5316\u5b50\uff0c\u7279\u522b\u662f\u77f3\u58a8\u70ef\u4e2d\u7684\u7b49\u79bb\u5b50\u4f53\u6781\u5316\u5b50…<\/p>\n","protected":false},"author":3029,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-143976","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/143976"}],"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\/3029"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=143976"}],"version-history":[{"count":5,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/143976\/revisions"}],"predecessor-version":[{"id":144267,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/143976\/revisions\/144267"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=143976"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=143976"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=143976"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}