{"id":254941,"date":"2023-10-10T06:50:41","date_gmt":"2023-10-09T22:50:41","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=254941"},"modified":"2023-10-09T20:52:52","modified_gmt":"2023-10-09T12:52:52","slug":"nat-commun-%ef%bc%9a%e7%9f%b3%e5%a2%a8%e7%83%af%e5%a4%8d%e5%90%88%e6%9d%90%e6%96%99%e7%9a%84%e4%bd%8e%e6%b8%a9%e7%89%b9%e6%80%a7%e6%bc%94%e5%8f%98%ef%bc%9a%e4%bb%8e%e7%83%ad%e5%af%bc%e4%bd%93","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=254941","title":{"rendered":"Nat. 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A. Balandin\u7b49\u4eba\u7814\u7a76\u4e86\u5728\u4ece2 K\u5230\u5ba4\u6e29\u7684\u6e29\u5ea6\u4e0b\u7684\u73af\u6c27\u6811\u8102-\u77f3\u58a8\u70ef\u590d\u5408\u6750\u6599\u7684\u70ed\u6027\u80fd\u3002\u6709\u8da3\u53d1\u73b0\uff0c\u5728\u4f4e\u6e29\u4e0b\uff0c\u77f3\u58a8\u70ef\u590d\u5408\u6750\u6599\u7684\u70ed\u5bfc\u7387\u53ef\u4ee5\u9ad8\u4e8e\u6216\u4f4e\u4e8e\u53c2\u8003\u7684\u7eaf\u73af\u6c27\u6811\u8102\uff0c\u8fd9\u53d6\u51b3\u4e8e\u77f3\u58a8\u70ef\u586b\u6599\u7684\u542b\u91cf\u548c\u6e29\u5ea6\u3002\u8fd9\u4e0e\u5728\u5ba4\u6e29\u9644\u8fd1\u89c2\u5bdf\u5230\u7684\u60c5\u51b5\u622a\u7136\u4e0d\u540c\u3002\u6b64\u5916\uff0c\u5b58\u5728\u4e00\u4e2a\u660e\u786e\u5b9a\u4e49\u7684\u4ea4\u53c9\u6e29\u5ea6\uff0c\u4ee5\u4e0a\u6e29\u5ea6\u65f6\uff0c\u6dfb\u52a0\u77f3\u58a8\u70ef\u4f1a\u589e\u52a0\u70ed\u5bfc\u7387\uff0c\u800c\u4ee5\u4e0b\u6e29\u5ea6\u65f6\uff0c\u6dfb\u52a0\u77f3\u58a8\u70ef\u4f1a\u964d\u4f4e\u70ed\u5bfc\u7387\u3002\u77f3\u58a8\u70ef\u590d\u5408\u6750\u6599\u5728\u80fd\u591f\u63d0\u4f9b\u70ed\u5bfc\u7387\u6700\u5927\u589e\u5f3a\u548c\u6700\u5927\u6291\u5236\u7684\u6750\u6599\u4e2d\u662f\u72ec\u7279\u7684\u3002\u7814\u7a76\u8005\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7269\u7406\u6a21\u578b\u6765\u89e3\u91ca\u8fd9\u4e00\u53cd\u76f4\u89c9\u7684\u8d8b\u52bf\uff0c\u5e76\u63d0\u4f9b\u4e0e\u6d4b\u91cf\u7ed3\u679c\u76f8\u7b26\u7684\u6570\u503c\u6a21\u62df\u6570\u636e\u3002\u5f97\u5230\u7684\u7ed3\u679c\u8868\u660e\uff0c\u53ef\u4ee5\u4f7f\u7528\u76f8\u540c\u7684\u7ec4\u5206\u6750\u6599\u5236\u5907\u590d\u5408\u6750\u6599\uff0c\u65e2\u7528\u4e8e\u53bb\u9664\u70ed\u91cf\u53c8\u7528\u4e8e\u5728\u4f4e\u6e29\u4e0b\u8fdb\u884c\u70ed\u7edd\u7f18\u7684\u7535\u5b50\u7ec4\u4ef6\u3002\u540e\u8005\u6784\u6210\u4e86\u70ed\u7ba1\u7406\u7684\u6982\u5ff5\u6027\u53d8\u5316\uff0c\u901a\u5e38\u70ed\u7ba1\u7406\u4f9d\u8d56\u4e8e\u4e0d\u540c\u7684\u6750\u6599\u6765\u8fdb\u884c\u70ed\u4f20\u5bfc\u548c\u9694\u79bb\u3002\u76f8\u5173\u5de5\u4f5c\u4ee5\u201c Cryogenic characteristics of graphene composites\u2014evolution from thermal conductors to thermal insulators\u201d\u53d1\u8868\u5728\u300aNature communication\u300b\u4e0a\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-254942\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/1-2.png\" alt=\"\" width=\"1065\" height=\"478\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/1-2.png 1065w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/1-2-300x135.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/1-2-768x345.png 768w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/1-2-1024x460.png 1024w\" sizes=\"(max-width: 1065px) 100vw, 1065px\" \/><\/p>\n<p>\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/p>\n<p>\u672c\u6587\u7684\u6838\u5fc3\u521b\u65b0\u70b9\u5728\u4e8e\u63ed\u793a\u4e86\u5728\u4f4e\u6e29\u4e0b\uff0c\u77f3\u58a8\u70ef\u590d\u5408\u6750\u6599\u7684\u70ed\u5bfc\u7387\u5728\u7279\u5b9a\u6e29\u5ea6\u548c\u586b\u6599\u52a0\u8f7d\u60c5\u51b5\u4e0b\u53ef\u4ee5\u8868\u73b0\u51fa\u65e2\u589e\u52a0\u53c8\u51cf\u5c0f\u7684\u8d8b\u52bf\uff0c\u5e76\u63d0\u4f9b\u4e86\u5bf9\u6b64\u73b0\u8c61\u7684\u7269\u7406\u89e3\u91ca\u3002<\/p>\n<p>\u3010\u56fe\u6587\u901f\u9012\u3011<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-254943\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/2-2.png\" alt=\"\" width=\"714\" height=\"743\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/2-2.png 714w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/2-2-288x300.png 288w\" sizes=\"(max-width: 714px) 100vw, 714px\" \/><\/p>\n<p><strong>\u56fe1 | 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<\/strong><strong>\u663e\u793a\u4e86\u6e29\u5ea6\u8303\u56f4\u4e3a<\/strong><strong>2 K \u2264 T \u2264 300 K <\/strong><strong>\u7684\u590d\u5408\u6750\u6599\u7684\u6e29\u5ea6\u4f9d\u8d56\u6bd4\u70ed\u3002<\/strong><strong>b <\/strong><strong>\u663e\u793a\u4e86\u4e0e<\/strong><strong>a<\/strong><strong>\u4e2d\u76f8\u540c\u7684\u6570\u636e\u5728\u4f4e\u6e29\u6781\u9650\u4e0b\u7684\u60c5\u51b5\u3002<\/strong><strong>c <\/strong><strong>\u4ee5\u5bf9\u6570<\/strong><strong>&#8211;<\/strong><strong>\u5bf9\u6570\u523b\u5ea6\u7ed8\u5236\u7684\u590d\u5408\u6750\u6599\u7684\u6bd4\u70ed\uff0c\u63ed\u793a\u4e86\u5728\u4f4e\u3001\u4e2d\u548c\u9ad8\u6e29\u8303\u56f4\u5185\u7684\u62df\u7acb\u65b9\u3001\u629b\u7269\u7ebf\u548c\u7ebf\u6027\u6e29\u5ea6\u4f9d\u8d56\u6027\u3002<\/strong><strong>d <\/strong><strong>\u663e\u793a\u4e86\u77f3\u58a8\u70ef\u590d\u5408\u6750\u6599\u7684<\/strong><strong>\u201cDebye-<\/strong><strong>\u89c4\u8303\u5316<\/strong><strong>\u201d<\/strong><strong>\u6bd4\u70ed\uff0c\u4f5c\u4e3a\u6e29\u5ea6\u7684\u51fd\u6570\uff0c\u4ee5\u5bf9\u6570<\/strong><strong>&#8211;<\/strong><strong>\u5bf9\u6570\u523b\u5ea6\u5448\u73b0\u3002\u865a\u7ebf\u662f\u7528\u6765\u5f15\u5bfc\u773c\u775b\u7684\uff0c\u663e\u793a\u4e86\u6240\u8c13\u7684<\/strong><strong>\u201c<\/strong><strong>\u73bb\u8272\u5cf0<\/strong><strong>\u201d<\/strong><strong>\u7684\u884c\u4e3a\uff0c\u5b83\u968f\u7740\u586b\u5145\u7269\u52a0\u8f7d\u548c\u6e29\u5ea6\u7684\u53d8\u5316\u800c\u53d8\u5316\u3002<\/strong><\/p>\n<p><strong>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-254945\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/4-2.png\" alt=\"\" width=\"700\" height=\"564\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/4-2.png 700w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/4-2-300x242.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/strong><\/p>\n<p><strong>\u56fe3 | \u6e29\u5ea6\u4f9d\u8d56\u7684\u77f3\u58a8\u70ef\u590d\u5408\u6750\u6599\u7684\u70ed\u4f20\u8f93\u7279\u6027\u3002a \u4ee5\u5bf9\u6570-\u5bf9\u6570\u523b\u5ea6\u663e\u793a\u4e862 K \u2264 T \u2264 300 K \u6e29\u5ea6\u8303\u56f4\u5185\u7684\u77f3\u58a8\u70ef\u590d\u5408\u6750\u6599\u7684\u70ed\u5bfc\u7387\u3002\u7b26\u53f7\u8868\u793a\u5b9e\u9a8c\u6570\u636e\u70b9\u3002\u9634\u5f71\u533a\u57df\u8868\u793a\u5b9e\u9a8c\u4e0d\u786e\u5b9a\u6027\u3002b \u663e\u793a\u4e86\u4f4e\u6e29\u533a\u57df\u5185\u77f3\u58a8\u70ef\u590d\u5408\u6750\u6599\u7684\u70ed\u5bfc\u7387\uff0c\u663e\u793a\u4e86\u4ea4\u53c9\u6e29\u5ea6 Tc\u3002c \u663e\u793a\u4e86\u57282 K\u3001Tc \u223c 11 K 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