{"id":208016,"date":"2020-08-25T06:30:18","date_gmt":"2020-08-24T22:30:18","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=208016"},"modified":"2020-08-24T23:44:53","modified_gmt":"2020-08-24T15:44:53","slug":"%e3%80%90%e6%8a%95%e7%a8%bf%e3%80%91%e7%94%b5%e5%ad%90%e7%a7%91%e6%8a%80%e5%a4%a7%e5%ad%a6%e5%a4%8f%e5%a8%9f%e3%80%81%e7%8e%8b%e6%9b%be%e6%99%96%e5%9b%a2%e9%98%9f%e5%9c%a8nature-physics%e5%8f%91","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=208016","title":{"rendered":"\u7535\u5b50\u79d1\u5927\u590f\u5a1f\u3001\u738b\u66fe\u6656\u7b49\u5728Nature Physics\u53d1\u8868\u91cd\u8981\u6210\u679c\uff1a\u538b\u529b\u5de5\u7a0b\u5bf9\u5f3a\u8026\u5408\u8303\u5fb7\u534e\u5f02\u8d28\u7ed3\u5c42\u95f4\u6fc0\u5b50\u7684\u9ad8\u6548\u8c03\u63a7"},"content":{"rendered":"<p>2020\u5e748\u670824\u65e5\uff0c<em>Nature 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class=\"aligncenter wp-image-208018 size-full\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/08\/1-32.jpg\" alt=\"\" width=\"550\" height=\"723\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/08\/1-32.jpg 550w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/08\/1-32-228x300.jpg 228w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><\/p>\n<p style=\"text-align: center;\">\u201c\u538b\u529b\u5de5\u7a0b\u201d\uff1a\u7528\u91d1\u521a\u77f3\u5bf9\u9876\u7827\u5bf9\u4e8c\u7ef4\u5f02\u8d28\u7ed3\u5c42\u95f4\u8ddd\u79bb\u53ca\u6fc0\u5b50\u884c\u4e3a\u5b9e\u73b0\u9ad8\u6548\u8c03\u63a7\u3002<\/p>\n<p style=\"text-align: center;\">\u56fe\u7247\u6765\u6e90\u53ca\u7248\u6743\uff1aNature 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loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-208019 size-full\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/08\/2-11.png\" alt=\"\" width=\"600\" height=\"143\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/08\/2-11.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/08\/2-11-300x72.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p style=\"text-align: center;\">\u91d1\u521a\u77f3\u5bf9\u9876\u7827\uff08DAC\uff09\u8c03\u63a7\u4e8c\u7ef4\u5f02\u8d28\u7ed3\u72ec\u7279\u5c42\u95f4\u8ddd\u53ca\u5c42\u95f4\u8026\u5408\u4f5c\u7528\u793a\u610f\u56fe\u3002<\/p>\n<p style=\"text-align: center;\">\u56fe\u7247\u6765\u6e90\u53ca\u7248\u6743\uff1aNature Physics\u53ca\u8bba\u6587\u4f5c\u8005<\/p>\n<p>\u57fa\u4e8e\u6b64\uff0c\u672c\u5de5\u4f5c\u5728\u6210\u529f\u83b7\u5f97\u5c42\u95f4\u5f3a\u8026\u5408WSe<sub>2<\/sub>-MoSe<sub>2<\/sub>\u4e8c\u7ef4\u8303\u5fb7\u74e6\u5c14\u65af\u5f02\u8d28\u7ed3\u7684\u57fa\u7840\u4e0a\uff0c\u5229\u7528\u5176\u5c42\u95f4\u8ddd\u79bb\u53ef\u7531\u5916\u754c\u538b\u5f3a\u9ad8\u6548\u8c03\u63a7\u7684\u7279\u70b9\uff0c\u91c7\u7528DAC\u88c5\u7f6e\u6210\u529f\u5b9e\u73b0\u4e86\u9ad8\u538b\u4e0b\u5fae\u89c2\u7ed3\u6784\u548c\u7269\u7406\u7279\u6027\u7684\u539f\u4f4d\u8c03\u63a7\u3002\u7814\u7a76\u8005\u901a\u8fc7\u5b9e\u9a8c\u89c2\u5bdf\u5230\u4e86\u8fd9\u7c7b\u4e8c\u7ef4\u5f02\u8d28\u7ed3\u7684\u5c42\u95f4\u6fc0\u5b50\u884c\u4e3a\u5728\u4e00\u4e07\u4e2a\u5927\u6c14\u538b\uff081 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center;\">\u672c\u5de5\u4f5c\u6240\u4f7f\u7528\u7684\u5c42\u95f4\u5f3a\u8026\u5408\u4e8c\u7ef4\u5f02\u8d28\u7ed3WSe<sub>2<\/sub>-MoSe<sub>2<\/sub>\u7684\u5f62\u8c8c\u3001\u7ed3\u6784\uff0c\u53ca\u5176\u5f3a\u8026\u5408\u7279\u6027\u5e26\u6765\u7684\u72ec\u7279\u6fc0\u5b50\u884c\u4e3a\u3002<\/p>\n<p style=\"text-align: center;\">\u56fe\u7247\u6765\u6e90\u53ca\u7248\u6743\uff1aNature Physics\u53ca\u8bba\u6587\u4f5c\u8005<\/p>\n<p>\u672c\u5de5\u4f5c\u5229\u7528DAC\u6280\u672f\u6240\u63d0\u4f9b\u7684\u8d85\u9ad8\u538b\u5f3a\u6210\u529f\u5b9e\u73b0\u4e86\u5bf9\u4e8c\u7ef4\u5f02\u8d28\u7ed3\u4e2d\u5c42\u95f4\u5f3a\u8026\u5408\u4f5c\u7528\u7684\u9ad8\u6548\u8c03\u63a7\uff0c\u6709\u52a9\u4e8e\u8fdb\u4e00\u6b65\u63a8\u52a8\u57fa\u4e8e\u8fd9\u7c7b\u4e8c\u7ef4\u8303\u5fb7\u74e6\u5c14\u65af\u5f02\u8d28\u7ed3\u7684\u65b0\u578b\u6fc0\u5b50\u578b\u5668\u4ef6\u7814\u7a76\uff0c\u4e3a\u672a\u6765\u6b64\u7c7b\u65b0\u578b\u4fe1\u606f\u5668\u4ef6\u7684\u63a2\u7d22\u548c\u5e94\u7528\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def\u3002<\/p>\n<p>\u672c\u9879\u7814\u7a76\u5f97\u5230\u4e86\u56fd\u5bb6\u81ea\u7136\u79d1\u5b66\u57fa\u91d1\u3001\u56fd\u5bb6\u91cd\u70b9\u7814\u53d1\u8ba1\u5212\u3001\u56db\u5ddd\u7701\u79d1\u6280\u5385\u7b49\u9879\u76ee\u7684\u652f\u6301\u3002<\/p>\n<p><strong><u>\u7535\u5b50\u79d1\u6280\u5927\u5b66\u56e2\u961f\u4ecb\u7ecd<\/u><\/strong><strong>\uff1a<\/strong><\/p>\n<p><strong>\u590f\u5a1f<\/strong><strong>\u535a\u58eb<\/strong>\uff0c\u7535\u5b50\u79d1\u6280\u5927\u5b66\u57fa\u7840\u4e0e\u524d\u6cbf\u7814\u7a76\u9662\u7279\u8058\u7814\u7a76\u5458\uff0c\u672c\u79d1\u6bd5\u4e1a\u4e8e\u56db\u5ddd\u5927\u5b66\u6750\u6599\u79d1\u5b66\u7cfb\uff0c\u535a\u58eb\u6bd5\u4e1a\u4e8e\u65b0\u52a0\u5761\u5357\u6d0b\u7406\u5de5\u5927\u5b66\u7269\u7406\u4e0e\u5e94\u7528\u7269\u7406\u7cfb\uff0c\u957f\u671f\u4ece\u4e8b\u5b9e\u9a8c\u51dd\u805a\u6001\u7269\u7406\u65b9\u5411\u7684\u7814\u7a76\uff0c\u5c24\u5176\u662f\u5229\u7528\u9ad8\u538b\u7b49\u5404\u7c7b\u5b9e\u9a8c\u624b\u6bb5\u5bf9\u4e8c\u7ef4\u534a\u5bfc\u4f53\u6750\u6599\u53ca\u5176\u5f02\u8d28\u7ed3\u7684\u7269\u7406\u7279\u6027\u8fdb\u884c\u8c03\u63a7\u3002\u8fd1\u4e94\u5e74\u6765\uff0c\u5728Nature, Nature Physics, Nano Letters, ACS Nano\u7b49\u56fd\u9645\u671f\u520a\u4e0a\u53d1\u8868\u6587\u7ae0\u8fd120\u7bc7\u3002\u76ee\u524d\u62c5\u4efbChinese Physics Letters\u3001\u300a\u7269\u7406\u5b66\u62a5\u300b\u3001\u300a\u7269\u7406\u300b\u548cChinese Physics B\u7684\u9752\u5e74\u7f16\u59d4\u4f1a\u6210\u5458\u3002\u8363\u83b72017\u5e74\u5ea6\u4e2d\u56fd\u4f18\u79c0\u81ea\u8d39\u7559\u5b66\u751f\u5956\u30012018\u5e74\u5ea6\u5357\u6d0b\u7406\u5de5\u5927\u5b66\u5973\u79d1\u5b66\u5bb6\u5956\u7b49\u5956\u9879\uff0c2018\u5e74\u5165\u9009\u7535\u5b50\u79d1\u6280\u5927\u5b66\u201c\u767e\u4eba\u8ba1\u5212\u201d\uff0c2019\u5e74\u5165\u9009\u798f\u5e03\u65af\u4e2d\u56fd30\u5c81\u4ee5\u4e0b\u7cbe\u82f1\u699c\u3002<\/p>\n<p><strong>\u738b\u66fe\u6656<\/strong>\u535a\u58eb\uff0c\u7535\u5b50\u79d1\u6280\u5927\u5b66\u57fa\u7840\u4e0e\u524d\u6cbf\u7814\u7a76\u9662\u6559\u6388\uff0c\u672c\u79d1\u6bd5\u4e1a\u4e8e\u590d\u65e6\u5927\u5b66\u7269\u7406\u7cfb\u3002\u5728\u7f8e\u56fd\u897f\u96c5\u56fe\u534e\u76db\u987f\u5927\u5b66\u7269\u7406\u7cfb\u83b7\u5f97\u535a\u58eb\u5b66\u4f4d\u540e\uff0c\u5148\u540e\u5728\u7f8e\u56fd\u5eb7\u5948\u5c14\u5927\u5b66\u548c\u51ef\u65af\u897f\u50a8\u5927\u5b66\u5f00\u5c55\u79d1\u7814\u5de5\u4f5c\uff0c2016\u5e74\u8d77\u5c31\u804c\u4e8e\u7535\u5b50\u79d1\u6280\u5927\u5b66\u3002\u738b\u66fe\u6656\u6559\u6388\u957f\u671f\u4ece\u4e8b\u51dd\u805a\u6001\u7269\u7406\uff0c\u7eb3\u7c73\u5668\u4ef6\u7269\u7406\uff0c\u4f4e\u7ef4\u7eb3\u7c73\u673a\u7535\u7cfb\u7edf\uff0c\u5fae\u7eb3\u4fe1\u606f\u5668\u4ef6\u7b49\u9886\u57df\u7814\u7a76\uff0c\u53d6\u5f97\u4e86\u4e00\u7cfb\u5217\u521b\u65b0\u6027\u7814\u7a76\u6210\u679c\uff0c\u7d2f\u8ba1\u5728Science, Nature Nanotechnology, Nature Physics, Nature Communications, Science Advances, Physical Review Letters, Nano Letters, ACS Nano\u7b49\u671f\u520a\u4e0a\u53d1\u8868\u76f8\u5173\u8bba\u658720\u4f59\u7bc7\u3002\u76ee\u524d\u62c5\u4efb\u300a\u7269\u7406\u5b66\u62a5\u300b\u548cChinese Physics B\u7684\u9752\u5e74\u7f16\u8f91\u5de5\u4f5c\u7ec4\u6210\u5458\uff0c\u300a\u4e2d\u56fd\u79d1\u5b66\uff1a\u4fe1\u606f\u79d1\u5b66\u300b\u7f16\u59d4\u4f1a\u6210\u5458\u53ca\u9752\u5e74\u7f16\u59d4\uff0c\u5e76\u957f\u671f\u53d7\u9080\u4e3aNature Nanotechnology, Nature Communications\u7b49\u671f\u520a\u62c5\u4efb\u5ba1\u7a3f\u4eba\u3002<\/p>\n<p><strong><u>\u671f\u520a\u4ecb\u7ecd<\/u><\/strong><strong>\uff1a<\/strong><\/p>\n<p>Nature Physics\u662fNature\u5728\u7269\u7406\u5b66\u9886\u57df\u7684\u65d7\u8230\u5b50\u520a\uff0c\u4e5f\u662f\u8be5\u5b66\u79d1\u9886\u57df\u7ecf\u7531\u540c\u884c\u8bc4\u5ba1\u7684\u6743\u5a01\u79d1\u5b66\u671f\u520a\u3002\u6839\u636eWeb of Science\u6570\u636e\u7edf\u8ba1\uff0c\u81ea2005\u5e74\u521b\u520a\u4ee5\u6765\uff0c\u81f32020\u5e747\u6708\uff0c\u4e2d\u56fd\u5185\u5730\u53d1\u8868\u7b2c\u4e00\u5355\u4f4dNature Physics\u8bba\u6587\u5171\u8ba189\u7bc7\u3002<\/p>\n<p><strong><u>\u8bba\u6587\u76f8\u5173\u4fe1\u606f<\/u><\/strong><strong>\uff1a<\/strong><\/p>\n<p><strong>\u4f5c\u8005\uff1a<\/strong>Juan Xia*, Jiaxu Yan*, Zenghui Wang*, Yongmin He, Yongji Gong, Weiqiang Chen, Tze Chien Sum, Zheng Liu, Pulickel M. Ajayan, Zexiang Shen*<\/p>\n<p><strong>\u6458\u8981\uff1a<\/strong>Two-dimensional materials offer an exciting platform that enables the creation of van der Waals heterostructures with rich functions and intriguing physical properties that stem from different band alignments and diverse interlayer interactions. However, further exploration of two-dimensional van der Waals heterostructures is hindered by the limited coupling strength and lack of efficient methods for tuning the interlayer interactions. Here, by using a two-step chemical vapour deposition method, we realize high-quality 2H-stacked WSe<sub>2<\/sub>\u2013MoSe<sub>2<\/sub> heterostructures with strong interlayer coupling, and effective tuning of their interlayer interaction by hydrostatic pressure. We unambiguously establish the strong coupling nature in these WSe<sub>2<\/sub>\u2013MoSe<sub>2<\/sub> heterostructures through the existence of exclusive interlayer excitons instead of the typical intralayer excitons. We further demonstrate efficient tuning of the interlayer coupling by using pressure engineering, and observe a clear evolution and transition of interlayer excitons in WSe<sub>2<\/sub>\u2013MoSe<sub>2<\/sub> heterostructures with a pressure-induced band changeover, which is further confirmed by first-principles calculations. Our findings provide new opportunities for producing, exploring and tuning van der Waals heterostructures with strong interlayer coupling that lead towards the realization of future excitonic devices based on tailor-made, atomically thin, two-dimensional stacks.<\/p>\n<p><strong>\u8bba\u6587<\/strong><strong>DOI<\/strong><strong>\uff1a<\/strong>10.1038\/s41567-020-1005-7<\/p>\n<p><strong>\u6587\u7ae0\u94fe\u63a5\uff1a<\/strong> <a href=\"https:\/\/www.nature.com\/articles\/s41567-020-1005-7\">https:\/\/www.nature.com\/articles\/s41567-020-1005-7<\/a><\/p>\n<p>\u672c\u6587\u7531\u7535\u5b50\u79d1\u6280\u5927\u5b66\u5148\u8fdb\u7eb3\u7c73\u5668\u4ef6\u7814\u7a76\u4e2d\u5fc3\u4f9b\u7a3f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>2020\u5e748\u670824\u65e5\uff0cNature Physics\u671f\u520a\u5728\u7ebf\u520a\u53d1\u4e86\u7535\u5b50\u79d1\u6280\u5927\u5b66\u590f\u5a1f\u7814\u7a76\u5458\u3001\u738b\u66fe\u6656\u6559\u6388\u4e0e\u5408\u4f5c\u8005\u7684\u7814\u7a76\u6210\u679c\u201cStrong coupling and p&#8230;<\/p>\n","protected":false},"author":11454,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-208016","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/208016"}],"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\/11454"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=208016"}],"version-history":[{"count":9,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/208016\/revisions"}],"predecessor-version":[{"id":208125,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/208016\/revisions\/208125"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=208016"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=208016"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=208016"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}