{"id":205674,"date":"2020-07-21T06:30:06","date_gmt":"2020-07-20T22:30:06","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=205674"},"modified":"2020-07-20T20:31:52","modified_gmt":"2020-07-20T12:31:52","slug":"%e3%80%90%e6%8a%95%e7%a8%bf%e3%80%91acs-nano-%e5%8d%95%e5%8e%9f%e5%ad%90%e5%b1%82%e8%bf%87%e6%b8%a1%e9%87%91%e5%b1%9e%e7%a1%ab%e6%97%8f%e5%8c%96%e5%90%88%e7%89%a9%e4%b8%ad%e5%8f%91%e7%8e%b0%e4%b8%80","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=205674","title":{"rendered":"ACS Nano: \u5355\u539f\u5b50\u5c42\u8fc7\u6e21\u91d1\u5c5e\u786b\u65cf\u5316\u5408\u7269\u4e2d\u53d1\u73b0\u4e00\u7ef4\u7535\u8377\u5bc6\u5ea6\u6ce2"},"content":{"rendered":"<p>\u8fd1\u65e5\uff0c<strong><b>\u56fd\u9632\u79d1\u6280\u5927\u5b66\u738b\u5e7f\u4e0e\u4e2d\u79d1\u9662\u82cf\u5dde\u7eb3\u7c73\u6240\u674e\u574a\u68ee\u7814\u7a76\u56e2\u961f<\/b><\/strong>\u5408\u4f5c\uff0c\u57fa\u4e8e\u5355\u539f\u5b50\u5c42\u8fc7\u6e21\u91d1\u5c5e\u786b\u65cf\u5316\u5408\u7269\u5236\u9020\u51fa\u4e00\u79cd\u4e00\u7ef4\u91d1\u5c5e\u5bfc\u7ebf\uff0c\u63ed\u793a\u4e86\u53d7\u9650\u4f53\u7cfb\u7684\u7535\u5b50\u96c6\u4f53\u6fc0\u53d1\u548c\u7535\u8377\u5468\u671f\u6027\u8c03\u5236\u89c4\u5f8b\u3002\u7814\u7a76\u56e2\u961f\u5728\u8be5\u4f53\u7cfb\u4e2d\u9996\u6b21\u5b9e\u73b0\u4e86\u4e00\u7ef4Peierls\u578b\u7535\u8377\u5bc6\u5ea6\u6ce2\uff08Charge Density Wave, CDW\uff09\u539f\u5b50\u5c3a\u5ea6\u7684\u76f4\u63a5\u89c2\u6d4b\uff0c\u53d1\u73b0\u4e86\u5468\u671f\u6027\u7684\u539f\u5b50\u6676\u683c\u7578\u53d8\u548c\u6e05\u6670\u7684U\u578bCDW\u80fd\u9699\uff0c\u63d0\u51fa\u4e86\u4e00\u79cd\u7814\u7a76\u4e00\u7ef4\u4f53\u7cfb\u7535\u8377\u8c03\u5236\u5185\u5728\u7269\u7406\u673a\u5236\u7684\u65b0\u65b9\u6cd5\uff0c\u5bf9\u4f4e\u7ef4\u6750\u6599\u4f53\u7cfb\u7684\u91cf\u5b50\u6548\u5e94\u548c\u62d3\u6251\u7269\u6001\u7814\u7a76\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002\u8be5\u7814\u7a76\u6210\u679c\u4ee5\u201cDirect Observation of One-Dimensional Peierls-type Charge Density Wave in Twin Boundaries of Monolayer MoTe<sub>2<\/sub>\u201d\u4e3a\u9898\u53d1\u8868\u5728<strong><em><b><i>ACS Nano<\/i><\/b><\/em><\/strong>\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-205675 size-full\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/07\/1-13.png\" alt=\"\" width=\"600\" height=\"483\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/07\/1-13.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/07\/1-13-300x242.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong><b>\u901a\u8baf\u4f5c\u8005\uff1a\u4e01\u5b59\u5b89\uff0c\u674e\u574a\u68ee\uff08<\/b><\/strong><strong><b>\u4e2d\u79d1\u9662\u82cf\u5dde\u7eb3\u7c73\u6240\uff09\uff0c\u738b\u5e7f\uff08\u56fd\u9632\u79d1\u6280\u5927\u5b66\uff09<\/b><\/strong><\/p>\n<p>\u4ece\u4e0a\u4e16\u7eaa50\u5e74\u4ee3\u8d77\uff0c\u4e00\u7ef4\u4f53\u7cfb\u7684\u4f4e\u80fd\u6fc0\u53d1\u884c\u4e3a\u5f15\u8d77\u4e86\u7406\u8bba\u7269\u7406\u5b66\u5bb6\u7684\u5e7f\u6cdb\u5173\u6ce8\u3002\u4e00\u7ef4\u4f53\u7cfb\u4e2d\u7535\u5b50\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u4f7f\u5f97\u5355\u7535\u5b50\u6fc0\u53d1\u5931\u6548\u800c\u8868\u73b0\u51fa\u96c6\u4f53\u6fc0\u53d1\u884c\u4e3a\uff0c\u5bfc\u81f4\u81ea\u65cb-\u7535\u8377\u5206\u79bb\u73b0\u8c61\uff0c\u5373\u5e26\u6709\u81ea\u65cb\u7684\u51c6\u7c92\u5b50\u548c\u5e26\u6709\u7535\u8377\u7684\u51c6\u7c92\u5b50\u7684\u4f20\u64ad\u901f\u5ea6\u4e0d\u4e00\u81f4\uff0c\u5176\u4f4e\u80fd\u6fc0\u53d1\u884c\u4e3a\u901a\u5e38\u53ef\u4ee5\u7528Tomonaga-Luttinger\u6db2\u4f53\uff08TLL\uff09\u7406\u8bba\u5f88\u597d\u5730\u89e3\u91ca\u3002\u5728\u4e00\u7ef4\u4f53\u7cfb\u4e2d\u9646\u7eed\u53d1\u73b0\u7684\u201c\u91d1\u5c5e\u94fe\u7684\u7535\u8377\u5bc6\u5ea6\u8c03\u5236\u201d\u3001\u201c\u534a\u5bfc\u4f53\u7eb3\u7c73\u7ebf\u7684\u9a6c\u62c9\u7ea6\u90a3\u675f\u7f1a\u6001\u201d\u548c\u201c\u9ad8\u9636\u62d3\u6251\u7edd\u7f18\u4f53\u4e2d\u7684\u62d3\u6251\u89d2\u6001\u6216\u68f1\u6001\u201d\u7b49\u65b0\u5947\u7535\u5b50\u7279\u6027\u4e3a\u7814\u7a76\u4e00\u7ef4\u4f53\u7cfb\u91cf\u5b50\u7269\u7406\u53ca\u5176\u5e94\u7528\u63d0\u4f9b\u4e86\u5168\u65b0\u7684\u673a\u9047\u3002\u5982\u679c\u8fdb\u4e00\u6b65\u8003\u8651\u7535\u5b50\u4e0e\u4e00\u7ef4\u6676\u683c\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\uff08\u7535\u5b50-\u58f0\u5b50\u76f8\u4e92\u4f5c\u7528\uff09\uff0c\u53ef\u80fd\u4f7f\u7535\u5b50\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u51cf\u5c0f\uff0c\u4ece\u800c\u5bfc\u81f4Peierls\u76f8\u53d8\u9a71\u52a8\u4e0b\u7684\u7535\u8377\u5bc6\u5ea6\u6ce2\u73b0\u8c61\u3002\u4f46\u7531\u4e8e\u4e00\u7ef4\u4f53\u7cfb\u5f88\u5bb9\u6613\u53d7\u5230\u5468\u56f4\uff08\u5982\u886c\u5e95\u3001\u76f8\u90bb\u539f\u5b50\u94fe\u4e4b\u95f4\u7b49\uff09\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u4f7f\u5f97\u5176\u672c\u5f81\u7535\u5b50\u6fc0\u53d1\u6027\u8d28\u96be\u4ee5\u76f4\u63a5\u89c2\u6d4b\u3002\u8fc7\u6e21\u91d1\u5c5e\u786b\u65cf\u5316\u5408\u7269\u662f\u4e00\u7c7b\u65b0\u578b\u5c42\u72b6\u534a\u5bfc\u4f53\u6750\u6599\uff0c\u5177\u6709\u4e30\u5bcc\u7684\u7269\u76f8\u548c\u5f3a\u81ea\u65cb\u8f68\u9053\u8026\u5408\uff0c\u5c55\u73b0\u51fa\u8d85\u5bfc\u3001\u78c1\u6027\u3001\u91cf\u5b50\u81ea\u65cb\u970d\u5c14\u6548\u5e94\u3001\u5916\u5c14\u534a\u91d1\u5c5e\u7b49\u65b0\u5947\u7684\u7269\u7406\u6548\u5e94\uff0c\u662f\u5f53\u524d\u51dd\u805a\u6001\u7269\u7406\u548c\u6750\u6599\u79d1\u5b66\u7814\u7a76\u7684\u524d\u6cbf\u70ed\u70b9\uff0c\u5728\u4e0b\u4e00\u4ee3\u534a\u5bfc\u4f53\u4fe1\u606f\u5668\u4ef6\u9886\u57df\u6709\u91cd\u8981\u7684\u5e94\u7528\u524d\u666f\u3002\u8fd1\u671f\u7684\u7814\u7a76\u5de5\u4f5c\u8868\u660e\uff0c\u5355\u539f\u5b50\u5c42\u8fc7\u6e21\u91d1\u5c5e\u786b\u65cf\u5316\u5408\u7269\u4e2d\u7684\u4e00\u7ef4\u91d1\u5c5e\u6027\u955c\u9762\u5b6a\u6676\u8fb9\u754c\uff08Mirror Twin Boundary, MTB\uff09\u5904\u5448\u73b0\u51fa\u5468\u671f\u6027\u7684\u7535\u8377\u8c03\u5236\uff0c\u4e3a\u63a2\u7d22\u4e00\u7ef4\u53d7\u9650\u4f53\u7cfb\u7684\u7535\u5b50\u884c\u4e3a\u63d0\u4f9b\u4e86\u975e\u5e38\u7406\u60f3\u7684\u5e73\u53f0\u3002\u7136\u800c\uff0c\u76ee\u524dMTB\u7535\u8377\u8c03\u5236\u7684\u57fa\u672c\u673a\u7406\u548c\u7535\u5b50\u5728\u4e00\u7ef4\u53d7\u9650\u7ed3\u6784\u4e2d\u7684\u4f20\u8f93\u65b9\u5f0f\u4ecd\u7136\u5b58\u5728\u8f83\u5927\u4e89\u8bae\u3002<\/p>\n<p><strong><b>\u56fd\u9632\u79d1\u6280\u5927\u5b66\u738b\u5e7f\u4e0e\u4e2d\u79d1\u9662\u82cf\u5dde\u7eb3\u7c73\u6240\u771f\u7a7a\u4e92\u8054\u5b9e\u9a8c\u7ad9\u674e\u574a\u68ee<\/b><\/strong><strong><b>\u7814\u7a76<\/b><\/strong><strong><b>\u56e2\u961f<\/b><\/strong>\u7d27\u5bc6\u5408\u4f5c\uff0c\u5728\u524d\u671f\u8fc7\u6e21\u91d1\u5c5e\u786b\u65cf\u5316\u5408\u7269MoTe<sub>2<\/sub>\u8584\u819c\u7684\u53ef\u63a7\u751f\u957f\uff08<strong><em><b><i>Carbon<\/i><\/b><\/em><\/strong>\u00a0115, 526 (2017)\uff09\u548c\u7535\u5b50\u6027\u8d28\u7684\u7cbe\u786e\u8c03\u63a7\uff08<strong><em><b><i>Nano Letters<\/i><\/b><\/em><\/strong>\u00a018, 675 (2018)\uff09\u7684\u7814\u7a76\u57fa\u7840\u4e0a\uff0c\u7ed3\u5408\u8d85\u9ad8\u771f\u7a7a\u5206\u5b50\u675f\u5916\u5ef6\u751f\u957f\u65b9\u6cd5\u548c\u6781\u4f4e\u6e29\u626b\u63cf\u96a7\u9053\u663e\u5fae\u955c\/\u663e\u5fae\u8c31\u6280\u672f\uff0c\u9996\u6b21\u5b9e\u73b0\u4e86\u5355\u539f\u5b50\u5c42MoTe<sub>2<\/sub>\u5b6a\u6676\u8fb9\u754c\u5904\u4e00\u7ef4Peierls\u578b\u7535\u8377\u5bc6\u5ea6\u6ce2\u539f\u5b50\u5c3a\u5ea6\u7684\u76f4\u63a5\u89c2\u6d4b\u3002\u7814\u7a76\u56e2\u961f\u53d1\u73b0\u4e86\u5468\u671f\u6027\u7684\u539f\u5b50\u6676\u683c\u7578\u53d8\u3001\u6e05\u6670\u7684U\u578bCDW\u80fd\u9699\u4ee5\u53ca\u80fd\u9699\u4e4b\u5916\u968f\u5468\u671f\u6027\u53d8\u5316\u7684\u91cf\u5b50\u5316\u80fd\u7ea7\uff0c\u6392\u9664\u4e86TLL\u4f4e\u80fd\u6fc0\u53d1\u673a\u5236\u7684\u53ef\u80fd\u6027\u3002\u57fa\u4e8e\u6676\u683c\u7578\u53d8\u7684\u5bc6\u5ea6\u6cdb\u51fd\u7535\u5b50\u7ed3\u6784\u8ba1\u7b97\u4e0e\u5b9e\u9a8c\u7ed3\u679c\u975e\u5e38\u543b\u5408\uff0c\u8fdb\u4e00\u6b65\u8bc1\u5b9e\u5176\u80fd\u9699\u4e3b\u8981\u6765\u6e90\u4e8eMo\u539f\u5b50\u76844d\u8f68\u9053\u3002\u7406\u8bba\u8ba1\u7b97\u548c\u5b9e\u9a8c\u7ed3\u679c\u5171\u540c\u7ed9\u51fa\u4e86\u5355\u539f\u5b50\u5c42\u8fc7\u6e21\u91d1\u5c5e\u786b\u65cf\u5316\u5408\u7269\u4e2d\u4e00\u7ef4Peierls\u578b\u7535\u8377\u5bc6\u5ea6\u6ce2\u7684\u786e\u5b9a\u6027\u8bc1\u636e\uff0c\u4e3a\u4e00\u7ef4\u4f53\u7cfb\u7684\u7535\u5b50-\u58f0\u5b50\u76f8\u4e92\u4f5c\u7528\u3001\u4f4e\u80fd\u6fc0\u53d1\u7406\u8bba\u4ee5\u53ca\u7535\u8377\u8c03\u5236\u884c\u4e3a\u7684\u5185\u5728\u7269\u7406\u673a\u5236\u5f00\u8f9f\u4e86\u65b0\u7684\u7814\u7a76\u9014\u5f84\u3002\u8be5\u7814\u7a76\u5de5\u4f5c\u63ed\u793a\u4e86\u53d7\u9650\u7cfb\u7edf\u4e2d\u7535\u5b50\u96c6\u4f53\u6fc0\u53d1\u548c\u7535\u8377\u5468\u671f\u6027\u8c03\u5236\u89c4\u5f8b\uff0c\u5bf9\u4f4e\u7ef4\u6750\u6599\u4f53\u7cfb\u7684\u91cf\u5b50\u6548\u5e94\u548c\u62d3\u6251\u7269\u6001\u7814\u7a76\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n<p>\u5355\u539f\u5b50\u5c42\u8fc7\u6e21\u91d1\u5c5e\u786b\u65cf\u5316\u5408\u7269MoTe<sub>2<\/sub>\u7684\u4e09\u89d2\u5f62\u5b6a\u6676\u8fb9\u754c\uff08MTB\uff0c\u5982\u56fe1a\u6240\u793a\uff09\u5904\u5448\u73b0\u51fa\u5468\u671f\u6027\u7684\u7535\u8377\u8c03\u5236\uff0c\u4f4e\u6e29\u626b\u63cf\u96a7\u9053\u663e\u5fae\u955c\u7684\u6052\u9ad8\u96a7\u9053\u8c31mapping\u56fe\u50cf\uff08\u56fe1b\uff09\u663e\u793a\u8fb9\u754c1\uff08MTB-1\uff09\u548c\u8fb9\u754c2\uff08MTB-1\uff09\u7535\u8377\u8c03\u5236\u7684\u5468\u671f\u662f\u6676\u683c\u5e38\u6570\u76843\u500d\uff083a\uff09\u3002\u4e0e2H\u76f8\u7684MoTe<sub>2<\/sub>\u76f8\u6bd4\uff0c\u5b6a\u6676\u8fb9\u754c\u5904\u7684\u80fd\u9699\u8f83\u5c0f\u8868\u73b0\u51fa\u91d1\u5c5e\u6027\uff0c\u5c0f\u8303\u56f4\u7684\u96a7\u9053\u8c31\u8868\u660e\u8fb9\u754c\u5904\u5177\u6709U\u578b\u80fd\u9699\uff08\u03c6+\u548c\u03c6-\uff0c\u56fe1c\uff09\uff0c\u800c\u5782\u76f4\u4e8e\u8fb9\u754c\u7684\u626b\u63cf\u96a7\u9053\u8c31\u975e\u5e38\u5747\u5300\uff08\u56fe1d\uff09\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-205676 size-full\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/07\/2-13.png\" alt=\"\" width=\"600\" height=\"515\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/07\/2-13.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/07\/2-13-300x258.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p style=\"text-align: center;\">\u56fe1. 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wp-image-205677 size-full\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/07\/3-13.png\" alt=\"\" width=\"600\" height=\"348\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/07\/3-13.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/07\/3-13-300x174.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p style=\"text-align: center;\">\u56fe2. 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