{"id":246970,"date":"2023-02-10T09:10:03","date_gmt":"2023-02-10T01:10:03","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=246970"},"modified":"2023-02-10T09:12:06","modified_gmt":"2023-02-10T01:12:06","slug":"%e5%9b%bd%e5%ae%b6%e7%ba%b3%e7%b1%b3%e4%b8%ad%e5%bf%83%e6%88%b4%e5%ba%86%e5%9b%a2%e9%98%9fscience%ef%bc%9a%e6%a0%85%e6%9e%81%e5%8f%af%e8%b0%83%e8%b4%9f%e6%8a%98%e5%b0%84%e5%8f%96%e5%be%97%e9%87%8d","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=246970","title":{"rendered":"\u56fd\u5bb6\u7eb3\u7c73\u4e2d\u5fc3\u6234\u5e86\u56e2\u961fScience\uff1a\u6805\u6781\u53ef\u8c03\u8d1f\u6298\u5c04\u53d6\u5f97\u91cd\u5927\u7a81\u7834"},"content":{"rendered":"<p>\u4e00\u3001\u5bfc\u8bfb<\/p>\n<p>\u8d1f\u6298\u5c04\u5728\u5149\u5b66\u3001\u7535\u5b66\u3001\u58f0\u5b66\u548c\u78c1\u5b66\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u7814\u7a76\uff0c\u5728\u4e9a\u6ce2\u6210\u50cf\u548c\u9690\u8eab\u7b49\u9886\u57df\u5f88\u6709\u524d\u666f\u3002\u8fc7\u53bb\u7684\u4e8c\u5341\u5e74\u91cc\uff0c\u8fd9\u4e00\u9886\u57df\u53d6\u5f97\u4e86\u957f\u8db3\u7684\u8fdb\u5c55\uff0c\u8d1f\u6298\u5c04\u5df2\u88ab\u91d1\u5c5e\u91d1\u5c5e\u916f\u3001\u4ecb\u7535\u5149\u5b50\u6676\u4f53\u548c\u53cc\u66f2\u8d85\u6750\u6599\u8bc1\u660e\uff0c\u8fd9\u4e9b\u6750\u6599\u7531\u4e9a\u6ce2\u957f\u5355\u5143\u5355\u5143\u7684\u5468\u671f\u6027\u9635\u5217\u7ec4\u6210\u3002\u8fd9\u4e9b\u7ed3\u6784\u4e2d\u4f7f\u7528\u7684\u8d85\u6750\u6599\u9650\u5236\u4e86\u5b83\u4eec\u5f3a\u70c8\u7a7f\u900f\u7ec6\u5149\u7684\u80fd\u529b\u3002\u4f5c\u4e3a\u4e00\u79cd\u66ff\u4ee3\u65b9\u6cd5\uff0c\u91d1\u5c5e\u7b49\u79bb\u5b50\u4f53\u5143\u5728\u7d2b\u5916\u3001\u53ef\u89c1\u5149\u548c\u8fd1\u7d2b\u5916\u533a\u57df\u4e5f\u8868\u73b0\u51fa\u8d1f\u6298\u5c04\u3002\u4f46\u8fd9\u79cd\u65b9\u6cd5\u53d7\u5230\u53ef\u89c1\u548c\u66f4\u9ad8\u9891\u7387\u7684\u6b27\u59c6\u635f\u5931\u4ee5\u53ca\u7ea2\u5916\u8303\u56f4\u5185\u8f83\u5dee\u7684\u7a7a\u95f4\u9650\u5236\u7684\u9650\u5236\u3002\u56e0\u6b64\uff0c\u4e2d\u7ea2\u5916\u548c\u592a\u8d6b\u5179\u57df\u7684\u6df1\u4e9a\u6ce2\u957f\u8d1f\u6298\u5c04\u4ecd\u7136\u662f\u4e00\u4e2a\u6311\u6218\u3002\u8303\u5fb7\u534e(vdW)\u6750\u6599\u7684\u51fa\u73b0\u5f15\u5165\u4e86\u4e00\u79cd\u65b0\u7684\u81ea\u7531\u5ea6\uff0c\u901a\u8fc7\u5229\u7528\u504f\u632f\u5b50\u6a21\u5f0f\u7684\u5f3a\u5149\u5b66\u9650\u5236\uff0c\u53ef\u5728\u5bbd\u5149\u8c31\u8303\u56f4\u5185\u63a7\u5236\u7eb3\u7c73\u7ea7\u7684\u5149\u3002\u6700\u8fd1\u7684\u7406\u8bba\u7814\u7a76\u63d0\u51fa\u4e86\u4f7f\u7528vdW\u6781\u5316\u5143\u6765\u5b9e\u73b0\u6df1\u4e9a\u6ce2\u957f\u4e2d\u7ea2\u5916\u8d1f\u6298\u5c04\uff0c\u4f8b\u5982\u5728\u77f3\u58a8\u70ef\u5468\u671f\u6027\u9635\u5217\u4e2d\uff0c\u6216\u4f7f\u7528\u5e73\u9762\u77f3\u58a8\u70ef\u548c\u516d\u65b9\u6c2e\u5316\u787c(h-BN)\u5f02\u8d28\u7ed3\u6784\u3002\u7136\u800c\uff0c\u8fd9\u4e9b\u7ed3\u6784\u4e2d\u504f\u632f\u5b50\u7684\u6781\u7aef\u7a7a\u95f4\u9650\u5236\u963b\u788d\u4e86\u5176\u8272\u6563;\u8fd9\u79cd\u7ed3\u6784\u56fa\u6709\u7684\u53cd\u5c04\u548c\u6563\u5c04\u635f\u5931\u4e5f\u4f7f\u7406\u8bba\u6982\u5ff5\u7684\u5b9e\u73b0\u590d\u6742\u5316\u3002<\/p>\n<p>\u4e8c\u3001\u6210\u679c\u63a0\u5f71<\/p>\n<p>\u8fd1\u65e5\uff0c\u4e2d\u56fd\u79d1\u5b66\u9662\u56fd\u5bb6\u7eb3\u7c73\u79d1\u5b66\u4e2d\u5fc3\u7eb3\u7c73\u5149\u5b50\u5ba4\u6234\u5e86\uff0c\u80e1\u6d77\u7814\u7a76\u5458\u8054\u5408\u5df4\u585e\u7f57\u90a3\u79d1\u5b66\u6280\u672f\u5b66\u9662\u7684F. Javier Garc\u00eda de Abajo\u6559\u6388\u5728\u8303\u5fb7\u534e\u5f02\u8d28\u7ed3\u6784\u4e2d\u4f7f\u7528\u6df7\u5408\u62d3\u6251\u6781\u5316\u6fc0\u5143\u6f14\u793a\u4e86\u4e2d\u7ea2\u5916\u9891\u7387\u7684\u6805\u6781\u53ef\u8c03\u8c10\u8d1f\u6298\u5c04\u3002\u5177\u4f53\u5730\u8bf4\uff0c\u8be5\u5de5\u4f5c\u5728\u77f3\u58a8\u70ef\u88c5\u9970\u7684\u03b1-MoO3\u8584\u819c\u4e2d\u770b\u5230\u4e86\u5e7f\u89d2\u8d1f\u6298\u5c04\u6781\u5316\u6fc0\u5143\u3002\u5b9e\u9a8c\u8bc1\u660e\uff1b\u539f\u5b50\u539a\u5ea6\u5f02\u8d28\u7ed3\u6784\u524a\u5f31\u4e86\u754c\u9762\u4e0a\u7684\u6563\u5c04\u635f\u5931\uff0c\u540c\u65f6\u901a\u8fc7\u6805\u6781\u5b9e\u73b0\u6b63\u5411\u6298\u5c04\u5230\u8d1f\u6298\u5c04\u7684\u4e3b\u52a8\u53ef\u8c03\u8fc7\u6e21\u3002\u672c\u5de5\u4f5c\u63d0\u51fa\u4e86\u6805\u6781\u8d1f\u6298\u5c04\u4f5c\u4e3a\u4e00\u4e2a\u6709\u524d\u666f\u7684\u7ea2\u5916\u5e94\u7528\u5e73\u53f0\uff0c\u5982\u7535\u53ef\u8c03\u8d85\u5206\u8fa8\u7387\u6210\u50cf\uff0c\u7eb3\u7c73\u7ea7\u70ed\u64cd\u7eb5\uff0c\u589e\u5f3a\u5206\u5b50\u4f20\u611f\u548c\u7247\u4e0a\u5149\u5b66\u7535\u8def\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201cGate-tunable negative refraction of mid-infrared polaritons\u201d\u4e3a\u9898\u53d1\u8868\u5728\u56fd\u9645\u9876\u520aScience\u671f\u520a\u4e0a\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-246971\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/02\/\u56fe\u72471-13-1024x390.png\" alt=\"\" width=\"1024\" height=\"390\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/02\/\u56fe\u72471-13-1024x390.png 1024w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/02\/\u56fe\u72471-13-300x114.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/02\/\u56fe\u72471-13-768x293.png 768w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/02\/\u56fe\u72471-13.png 1102w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\u00a0\u00a0<\/p>\n<p>\u4e09\u3001\u6838\u5fc3\u521b\u65b0\u70b9<\/p>\n<p>(1)\u9996\u6b21\u5229\u7528\u8303\u5fb7\u534e\u5f02\u8d28\u7ed3\u6784\u4e2d\u7684\u6df7\u5408\u62d3\u6251\u6781\u5316\u6fc0\u5143\uff0c\u6f14\u793a\u4e86\u4e2d\u7ea2\u5916\u9891\u7387\u65f6\u7684\u6805\u6781\u53ef\u8c03\u8c10\u8d1f\u6298\u5c04;<\/p>\n<p>(2)\u00a0\u5b9e\u73b0\u4e86\u4ece\u5782\u76f4\u6298\u5c04\u5230\u8d1f\u6298\u5c04\u7684\u81ea\u52a8\u53ef\u8c03\u8f6c\u53d8;<\/p>\n<p>\u56db\u3001\u6570\u636e\u6982\u89c8<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-246972\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/02\/\u56fe\u72472-12.png\" alt=\"\" width=\"749\" height=\"941\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/02\/\u56fe\u72472-12.png 749w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/02\/\u56fe\u72472-12-239x300.png 239w\" sizes=\"(max-width: 749px) 100vw, 749px\" \/><\/p>\n<p>\u56fe1\u6781\u5316\u6fc0\u5143\u7684\u8d1f\u53cd\u5c04\uff1bA.\u88c5\u7f6e\u793a\u610f\u56fe\uff1bB.\u00a0\u53cc\u66f2(a-MoO<sub>3<\/sub>)\u548c\u692d\u5706(\u77f3\u58a8\u70ef\/\u03b1-MoO<sub>3<\/sub>)\u4ecb\u8d28\u4e2d\u6781\u5316\u6fc0\u5143\u7684IFCs(\u7b49\u9891\u7387\u8f6e\u5ed3);\u00a0<strong>\u00a0\u00a9 2023 AAAS<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-246973\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/02\/\u56fe\u72473-13-1024x737.png\" alt=\"\" width=\"1024\" height=\"737\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/02\/\u56fe\u72473-13-1024x737.png 1024w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/02\/\u56fe\u72473-13-300x216.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/02\/\u56fe\u72473-13-768x553.png 768w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/02\/\u56fe\u72473-13.png 1048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>\u56fe2\u00a0\u7eb3\u7c73\u8d1f\u6298\u5c04\u7684\u76f4\u63a5\u89c2\u5bdf\uff1b(A\u548cC)\u5b9e\u9a8c(A)\u548c\u6a21\u62df(C)\u8fd1\u573a\u56fe\u50cf\uff0c\u8bf4\u660e\u4ece\u03b1 &#8211; MoO<sub>3<\/sub>\u4e2d\u7684\u53cc\u66f2\u6ce2\u5230\u77f3\u58a8\u70ef\/ \u03b1 &#8211; MoO<sub>3<\/sub>\u5f02\u8d28\u7ed3\u6784\u4e2d\u7684\u692d\u5706\u6ce2\u7684\u8d1f\u6298\u5c04; (B\u548cD)\u5929\u7ebf\u653e\u7f6e\u5728\u77f3\u58a8\u70ef\/\u03b1-MoO<sub>3<\/sub>\u4e00\u4fa7\u65f6\uff0c\u5b9e\u73b0\u4ece\u692d\u5706\u6ce2\u5230\u53cc\u66f2\u6ce2\u7684\u8d1f\u6298\u5c04\u3002(E)\u6cbfx(\u5de6)\u548cy(\u53f3)\u65b9\u5411\u7684\u8fd1\u573a\u5256\u9762; (F)\u5728880 ~ 940 cm<sup>\u2212<\/sup><sup>1<\/sup>\u8303\u56f4\u5185(\u7070\u8272\u9634\u5f71\u533a)\uff0c\u77f3\u58a8\u70ef\/\u03b1- MoO<sub>3<\/sub>\u4e2d\u5165\u5c04(\u5165\u5c04)\u89d2\u03d52\u4e0e\u03b1- MoO<sub>3<\/sub>\u4e2d\u5165\u5c04(\u6298\u5c04)\u89d2\u03d51\u7684\u5173\u7cfb;\u00a0<strong>\u00a0\u00a9 2023 AAAS<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-246974\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/02\/\u56fe\u72474-10-1024x760.png\" alt=\"\" width=\"1024\" height=\"760\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/02\/\u56fe\u72474-10-1024x760.png 1024w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/02\/\u56fe\u72474-10-300x223.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/02\/\u56fe\u72474-10-768x570.png 768w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/02\/\u56fe\u72474-10.png 1044w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>\u56fe3\u00a0\u6805\u7ea7\u53ef\u8c03\u8d1f\u6298\u5c04\uff1b(A)\u00a0\u6805\u7ea7\u53ef\u8c03\u5668\u4ef6\u793a\u610f\u56fe\u3002(B)\u7531\u03b1-\u00a0MoO<sub>3<\/sub>\u8584\u819c\u3001\u53cc\u5c42\u77f3\u58a8\u70ef\u548cSiO<sub>2<\/sub>\u886c\u5e95\u7ec4\u6210\u7684\u5668\u4ef6\u5149\u5b66\u56fe\u50cf(\u4ece\u4e0a\u5230\u4e0b)\u3002\u5706\u5b54\u76f4\u5f84\u4e3a400nm\u3002(C)\u5b9e\u9a8c\u6d4b\u91cf\u7684\u6805\u7ea7\u7535\u538b\u4ece+150\u5230\u2212150 V\uff0c\u4ece\u6b63\u6298\u5c04\u5230\u8d1f\u6298\u5c04\u8f6c\u53d8\u7684\u8fd1\u573a\u56fe\u50cf\uff1b(D)\u6570\u503c\u6a21\u62df\u4e86\u4e0d\u540c\u8d39\u7c73\u80fd\u91cf\u4e0b\u77f3\u58a8\u70ef\u7684\u8d1f\u6298\u5c04\uff0cEF = 0 ~ 0.66 eV\uff0c\u5bf9\u5e94\u4e8e\u5916\u52a0\u6805\u6781\u7535\u538b\u3002(E)\u4e0d\u540c\u6805\u6781\u7535\u538b\u4e0b\u7126\u70b9\u7684\u5f3a\u5ea6\u589e\u5f3a(\u5de6)\u548c\u534a\u5cf0\u5168\u5bbd(\u53f3)\u3002<strong>\u00a0<\/strong><strong>\u00a9 2023 AAAS<\/strong><\/p>\n<p>\u4e94\u3001\u6210\u679c\u542f\u793a<\/p>\n<p>\u8be5\u5de5\u4f5c\u9996\u6b21\u8bc1\u660e\u5728\u4e8c\u7ef4\u8303\u5fb7\u534e\u5f02\u8d28\u6750\u6599(\u77f3\u58a8\u70ef\/\u03b1-\u00a0MoO<sub>3<\/sub>)\u754c\u9762\u4e0a\u53ef\u53d1\u751f\u6781\u5316\u6fc0\u5143\u7684\u6805\u7ea7\u53ef\u8c03\u8d1f\u6298\u5c04\u3002\u4e3a\u5149\u5b66\u548c\u70ed\u5b66\u7684\u5e94\u7528\u63d0\u4f9b\u65b0\u673a\u4f1a\uff0c\u4f8b\u5982\u7ea2\u5916\u8d85\u5206\u8fa8\u7387\u6210\u50cf\u3001\u7eb3\u7c73\u7ea7\u70ed\u8c03\u63a7\u548c\u589e\u5f3a\u7075\u654f\u5ea6\u7684\u5316\u5b66\u4f20\u611f\u5668\u4ef6\u7b49\u3002<\/p>\n<p>\u8bba\u6587\u8be6\u60c5\uff1ahttps:\/\/www.science.org\/doi\/10.1126\/science.adf1251<\/p>\n<p>\u672c\u6587\u7531\u865a\u8c37\u7eb3\u7269\u4f9b\u7a3f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u5bfc\u8bfb \u8d1f\u6298\u5c04\u5728\u5149\u5b66\u3001\u7535\u5b66\u3001\u58f0\u5b66\u548c\u78c1\u5b66\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u7814\u7a76\uff0c\u5728\u4e9a\u6ce2\u6210\u50cf\u548c\u9690\u8eab\u7b49\u9886\u57df\u5f88\u6709\u524d\u666f\u3002\u8fc7\u53bb\u7684\u4e8c\u5341\u5e74\u91cc\uff0c\u8fd9\u4e00\u9886\u57df\u53d6\u5f97\u4e86\u957f\u8db3\u7684\u8fdb\u5c55\uff0c\u8d1f\u6298\u5c04\u5df2\u88ab\u91d1\u5c5e\u91d1\u5c5e\u916f\u3001\u4ecb&#8230;<\/p>\n","protected":false},"author":14360,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-246970","post","type-post","status-publish","format-standard","hentry","category-keji"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/246970"}],"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\/14360"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=246970"}],"version-history":[{"count":4,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/246970\/revisions"}],"predecessor-version":[{"id":246978,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/246970\/revisions\/246978"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=246970"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=246970"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=246970"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}