{"id":160784,"date":"2018-12-03T06:30:59","date_gmt":"2018-12-02T22:30:59","guid":{"rendered":"\/\/m.iemloyee.com\/?p=160784"},"modified":"2018-12-02T17:01:23","modified_gmt":"2018-12-02T09:01:23","slug":"%e3%80%90%e5%b7%b2%e6%a0%a1%e7%a8%bf%e3%80%91nat-commun-%e7%94%b1%e6%99%b6%e6%80%81%e5%88%b0%e9%83%a8%e5%88%86%e6%99%b6%e6%80%81%e9%83%a8%e5%88%86%e6%b6%b2%e6%80%81%e7%9a%84%e7%83%ad%e8%be%93","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=160784","title":{"rendered":"Nat. Commun.: \u7531\u6676\u6001\u5230\u90e8\u5206\u6676\u6001\u90e8\u5206\u6db2\u6001\u7684\u70ed\u8f93\u8fd0\u8f6c\u53d8"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

\u5b8c\u7f8e\u6676\u4f53\u4e2d\u7684\u4f20\u70ed\u5df2\u7ecf\u88ab\u8be6\u5c3d\u7814\u7a76\uff0c\u5e76\u5df2\u5728\u70ed\u7535\u3001\u58f0\u5b50\u6750\u6599\u7b49\u5f88\u591a\u9886\u57df\u6709\u7740\u91cd\u8981\u4f5c\u7528\u3002\u7136\u800c\uff0c\u4ecd\u672a\u80fd\u5728\u57fa\u672c\u5c42\u6b21\u7406\u89e3\u76f8\u53d8\u6750\u6599\u7684\u90e8\u5206\u6676\u6001\u90e8\u5206\u6db2\u6001\u7684\u70ed\u4f20\u8f93\u3002\u4ece\u5b9e\u9645\u89d2\u5ea6\u51fa\u53d1\uff0c\u5bf9\u76f8\u53d8\u6750\u6599\u4e2d\u90e8\u5206\u6676\u6001\u90e8\u5206\u6db2\u6001\u7684\u70ed\u4f20\u5bfc\u6027\u8d28\u7684\u6df1\u5165\u7406\u89e3\uff0c\u5bf9\u4e8e\u4f18\u5316\u5176\u70ed\u7535\u6027\u80fd\u548c\u89e3\u51b3\u9502\u7535\u6c60\u4e2d\u7684\u8fc7\u70ed\u95ee\u9898\u6709\u7740\u91cd\u8981\u610f\u4e49\u3002\u5c3d\u7ba1\u4e3a\u89e3\u91ca\u76f8\u53d8\u6750\u6599\u6781\u4f4e\u7684\u70ed\u5bfc\u7387\uff0c\u524d\u4eba\u63d0\u51fa\u4e86\u5982\u7c7b\u632f\u8361\u70ed\u8870\u51cf\u548c\u5f3a\u975e\u8c10\u7684\u552f\u8c61\u89e3\u91ca\u3002\u70ed\u5bfc\u7387\u548c\u6db2\u4f53\u8fd0\u52a8\u4e4b\u95f4\u7684\u5b9a\u91cf\u5173\u8054\uff0c\u4ee5\u53ca\u6676\u6001\u90e8\u5206\u4e2d\u7684\u58f0\u5b50\u8f93\u8fd0\u662f\u5982\u4f55\u88ab\u6db2\u6001\u8fd0\u52a8\u5f71\u54cd\u7684\uff0c\u8fd8\u6709\u5f85\u7814\u7a76\u3002<\/p>\n

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

\u76f8\u53d8\u6750\u6599\u5728\u70ed\u70b9\u8f6c\u6362\u5668\u548c\u7535\u6c60\u7535\u6781\u4e2d\u5e94\u7528\u5e7f\u6cdb\u3002\u8fd1\u65e5\uff0c\u5fb7\u56fd\u4e9a\u741b\u5de5\u4e1a\u5927\u5b66<\/strong>\/<\/strong>\u7f8e\u56fd\u52a0\u5dde\u5927\u5b66\u6d1b\u6749\u77f6\u5206\u6821(UCLA)<\/strong>\u7684Yanguang Zhou<\/strong>\u535a\u58eb<\/strong>\u3001\u82cf\u5dde\u5927\u5b66\u718a\u4e16\u4e91\u526f\u6559\u6388<\/strong>\u3001\u6cd5\u56fd\u5df4\u9ece\u4e2d\u592e\u7406\u5de5\u5b66\u9662<\/strong>\u7684Sebastian Volz<\/strong>\u7814\u7a76\u5458<\/strong>\u548c\u5fb7\u56fd\u4e9a\u741b\u5de5\u4e1a\u5927\u5b66<\/strong>\/<\/strong>\u7f8e\u56fd\u5357\u52a0\u5dde\u5927\u5b66<\/strong>\u7684Ming Hu<\/strong>\u535a\u58eb<\/strong>\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\u5408\u4f5c\uff0c\u5728Nature Communications<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cThermal transport crossover from crystalline to partial-crystalline partial-liquid state<\/strong>\u201d\u7684\u6587\u7ae0\u3002\u5728\u8be5\u5de5\u4f5c\u4e2d\uff0c\u4f5c\u8005\u62a5\u9053\u4e86\u76f8\u53d8\u6750\u6599Li2<\/sub>S\u4e2d\u9a71\u52a8\u6db2\u6001\u7ec4\u5206\u70ed\u4f20\u5bfc\u7684\u9690\u542b\u673a\u5236\uff0c\u4ee5\u53ca\u58f0\u5b50\u5bf9\u70ed\u5bfc\u7387\u7684\u8d21\u732e\u3001\u6781\u77ed\u5e73\u5747\u81ea\u7531\u7a0b\u7684\u632f\u52a8\u3001\u6db2\u6001\u548c\u6676\u683c-\u6db2\u6001\u76f8\u4e92\u4f5c\u7528\u3002\u6e29\u5ea6\u4e0d\u5927\u4e8e1000K\u5904\u4e8e\u6676\u6001\u65f6\uff0c\u6e29\u5ea6\u4f9d\u8d56\u7684\u70ed\u5bfc\u7387\u8868\u73b0\u51fa\u4e24\u79cd\u4e0d\u540c\u884c\u4e3a\uff1b\u5f53\u6e29\u5ea6\u5927\u4e8e1100K\u65f6\uff0c\u5bf9\u4e8e\u90e8\u5206\u6db2\u6001\u90e8\u5206\u6676\u6001\u7684Li2<\/sub>S\uff0c\u7531\u4e8eLi\u79bb\u5b50\u7684\u6d41\u4f53\u5316\uff0c\u6db2\u6001\u548c\u6676\u683c-\u6db2\u6001\u76f8\u4e92\u4f5c\u7528\u7684\u8d21\u732e\u663e\u8457\u589e\u52a0\uff0c\u5728\u6e29\u5ea6\u4e3a1300K\u65f6\uff0c\u6781\u77ed\u5e73\u5747\u81ea\u7531\u7a0b\u7684\u632f\u52a8\u636e\u63a8\u6d4b\u8f6c\u53d8\u4e3a\u6269\u6563\uff0c\u8d21\u732e\u603b\u70ed\u5bfc\u7387\u4e0a\u5347\u81f346%\u3002<\/p>\n

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

\u56fe1\uff1a\u6269\u6563\u7cfb\u6570\u7684\u8ba1\u7b97\u3002<\/p>\n

\"\"<\/p>\n

(a)\u4e0d\u540c\u6e29\u5ea6\u4e0bLi\u548cS\u7684\u5747\u65b9\u4f4d\u79fb\uff1b<\/p>\n

(b)\u901a\u8fc7ab initio<\/em>\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u62df\u548c\u53cd\u5e94\u529b\u573a\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u62df\uff0c\u4e0d\u540c\u6e29\u5ea6\u4e0bLi\u548cS\u7684\u5747\u65b9\u4f4d\u79fb\u548c\u6269\u6563\u7cfb\u6570\u3002<\/p>\n

\u56fe2\uff1a\u6e29\u5ea6\u5bf9\u70ed\u5bfc\u7387\u7684\u8d21\u732e\u3002<\/p>\n

\"\"<\/p>\n

(a)\u4f7f\u7528Green-Kubo\u5e73\u8861\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u62df\u8ba1\u7b97\u5f97\u5230\u7684\u603b\u70ed\u5bfc\u7387\uff0c\u53ca\u5176\u4e2d\u7684\u4f4d\u529b\u8d21\u732e\u3001\u6d41\u52a8\u8d21\u732e\u548c\u622a\u9879\u8d21\u732e\uff0c\u5e76\u5c06GK-EMD\u548c\u6ce2\u5c14\u8328\u66fc\u8f93\u8fd0\u65b9\u7a0b(BTE)\u5f97\u5230\u7684\u603b\u70ed\u5bfc\u7387\u76f8\u6bd4\u8f83\uff1b<\/p>\n

(b)\u4f4d\u529b\u3001\u6d41\u52a8\u548c\u622a\u9879\u5bf9\u70ed\u5bfc\u7387\u7684\u8d21\u732e\u767e\u5206\u6bd4\u968f\u6e29\u5ea6\u53d8\u5316\u60c5\u51b5\u3002<\/p>\n

\u56fe3\uff1a\u4e0d\u540c\u6e29\u5ea6\u4e0bLi2<\/sub>S\u4e2d\u7684\u79bb\u5b50\u8f68\u8ff9\u3002<\/p>\n

\"\"<\/p>\n

\u56fe4\uff1a\u57fa\u4e8e\u5e73\u5747\u81ea\u7531\u7a0b\u5bf9\u56db\u79cd\u4e0d\u540c\u70ed\u8f7d\u6d41\u5b50\u7684\u8868\u5f81\u3002<\/p>\n

\"\"<\/p>\n

(a)\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\u4e0d\u540c\u6e29\u5ea6\u4e0b\u7d2f\u79ef\u7684\u70ed\u5bfc\u7387\u4e0e\u5e73\u5747\u81ea\u7531\u7a0b\u7684\u6bd4\u503c\uff1b<\/p>\n

(b)\u75313\u8ba1\u7b97\u5f97\u5230\u7684\u900f\u5c04\u7cfb\u6570\u4e0e\u9891\u7387\u7684\u4f9d\u8d56\u5173\u7cfb\uff1b<\/p>\n

(c)\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\u5f97\u5230\u7684\uff0c\u5f52\u4e00\u5316\u7d2f\u79ef\u70ed\u5bfc\u7387\u4e0e\u5e73\u5747\u81ea\u7531\u7a0b\u7684\u6bd4\u503c\uff1b<\/p>\n

(d)1300K\u65f6\uff0cLi2<\/sub>S\u4e2d\u4e0d\u540c\u70ed\u8f7d\u6d41\u5b50\u76f8\u5bf9\u8d21\u732e\u7684\u6bd4\u8f83\u3002<\/p>\n

\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n

\u4f5c\u8005\u901a\u8fc7\u53cd\u5e94\u529b\u5b66\u5206\u5b50\u52a8\u529b\u5b66\u548c\u7b2c\u4e00\u6027\u539f\u7406\u6a21\u62df\u4e86\u6e29\u5ea6\u5904\u4e8e300K\u52301500K\u4e4b\u95f4\uff0cLi2<\/sub>S\u4e2d\u7684\u70ed\u4f20\u5bfc\u673a\u5236\uff0c\u5c06\u6676\u683c\u632f\u52a8\uff0c\u6d41\u52a8\u548c\u6676\u683c-\u6d41\u52a8\u76f8\u4e92\u4f5c\u7528\u5206\u522b\u5bf9\u70ed\u5bfc\u7387\u7684\u76f8\u5bf9\u8d21\u732e\u3002\u4f4e\u4e8e800K\uff0c\u7cfb\u7edf\u53ef\u88ab\u89c6\u4e3a\u5b8c\u7f8e\u6676\u4f53\uff0c\u70ed\u8f7d\u6d41\u5b50\u5747\u4e3a\u58f0\u5b50\uff0c\u603b\u70ed\u5bfc\u7387\u4e0e\u6e29\u5ea6\u4e4b\u95f4\u9075\u5faa\u4f20\u7edf\u76841\/T\u5173\u7cfb\u3002\u5728\u4e2d\u95f4\u6e29\u5ea6\u533a\u95f4\uff08800-1000K\uff09\uff0c\u5c3d\u7ba1Li2S\u603b\u4f53\u4ecd\u53ef\u89c6\u4e3a\u6676\u4f53\uff0c\u4e00\u4e9b\u9502\u79bb\u5b50\u7684\u8df3\u52a8\u4f1a\u5bf9\u6d41\u52a8\u70ed\u5bfc\u7387\u548c\u622a\u9879\u70ed\u5bfc\u7387\u6709\u7740\u4e0d\u53ef\u5ffd\u89c6\u7684\u8d21\u732e\uff0c\u4e5f\u4f1a\u5bfc\u81f4\u6676\u4f53\u70ed\u5bfc\u7387\u504f\u79bb1\/T\u5173\u7cfb\u3002\u9ad8\u4e8e1100K\u65f6\uff0c\u9502\u79bb\u5b50\u5f00\u59cb\u4e3a\u7c7b\u6db2\u6001\uff0c\u5bf9\u6d41\u52a8\u70ed\u5bfc\u7387\u548c\u622a\u9879\u70ed\u5bfc\u7387\u7684\u8d21\u732e\u663e\u8457\u589e\u52a0\u3002\u6b64\u5916\uff0c\u58f0\u5b50\u6563\u5c04\u589e\u52a0\u548c\u5347\u6e29\u65f6\u5728\u8fd1\u90bb\u539f\u5b50\u4e4b\u95f4\u8df3\u52a8\u7684\u529b\u7684\u589e\u52a0\u5b58\u5728\u76f8\u4e92\u5f71\u54cd\u3002\u6e29\u5ea6\u9ad8\u4e8e1200K\u65f6\uff0c\u4f4d\u529b\u70ed\u5bfc\u7387\u968f\u6e29\u5ea6\u589e\u52a0\u30021300K\u65f6\uff0c46%\u4ee5\u4e0a\u7684\u70ed\u88abS\u4e9a\u6676\u683c\u4e2d\u5e73\u5747\u81ea\u7531\u7a0b\u5c0f\u4e8e\u51e0\u57c3\u7c73\u7684\u8f7d\u6d41\u5b50\u643a\u5e26\u3002\u6b64\u5de5\u4f5c\u5bf9\u76f8\u53d8\u6750\u6599\u4e2d\u7684\u70ed\u4f20\u5bfc\u63d0\u4f9b\u4e86\u6e05\u6670\u7684\u7269\u7406\u56fe\u666f\uff0c\u5bf9\u5173\u952e\u673a\u5236\u8fdb\u884c\u63cf\u8ff0\u6765\u5f15\u5bfc\u672a\u6765\u70ed\u7535\u6750\u6599\u548c\u7535\u6c60\u7535\u6781\u7684\u8bbe\u8ba1\u3002<\/p>\n

 <\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1aThermal transport crossover from crystalline to partial-crystalline partial-liquid state<\/a>(Nat. Commun.,2018,DOI: 10.1038\/s41467-018-07027-x)<\/p>\n

\u56e2\u961f\u5de5\u4f5c\u6c47\u603b<\/strong><\/p>\n

[1]Shiyun Xiong*, Kimmo Saaskilahti, Yuriy A. Kosevich, Haoxue Han, Davide Donadio, Sebastian Volz, Blocking phonon transport by structural resonances in alloy-based nanophononic metamaterials leads to ultralow thermal conductivity, Phys. Rev. Lett. 117 (2016) 025503<\/p>\n

[2]Shiyun Xiong, Kaike Yang, Yuriy A. Kosevich, Yann Chalopin, Roberto D\u2019Agosta, Pietro Cortona, and Sebastian Volz, Classical to Quantum Transition of Heat Transfer between Two Silica Clusters, Phys. Rev. Lett. 112 (2014) 114301<\/p>\n

[3]Shiyun Xiong, Jihong Ma, Sebastian Volz, and Traian Dumitric\u01ce, ThermallyActive Screw Dislocations in Si Nanowires and Nanotubes, Small 10 (2014) 1756<\/p>\n

[4]Shiyun Xiong*, Daniele Selli, Sanghamitra Neogi, Davide Donadio, Native surface oxide turns alloyed silicon membranes into nanophononic metamaterials with ultralow thermal conductivity, Phys. Rev. B 95(2017) 180301(R)<\/p>\n

[5]Xiaoliang Zhang, Ming Hu, Dimos Poulikakos\uff0cA Low-Frequency Wave Motion Mechanism Enables Efficient Energy Transport in Carbon Nanotubes at High Heat Fluxes, Nano Letters 2012 12 (7), 3410-3416<\/p>\n

[6]Biyao Wu, Yanguang Zhou, Ming Hu, Two-Channel Thermal Transport in Ordered\u2013Disordered Superionic Ag2Te and Its Traditionally Contradictory Enhancement by Nanotwin Boundary, The Journal of Physical Chemistry Letters 2018 9 (19), 5704-5709<\/p>\n

[7]Kunpeng Yuan, Xiaoliang Zhang, Dawei Tang, Ming Hu, Anomalous pressure effect on the thermal conductivity of ZnO, GaN, and AlN from first-principles calculations, Physical Review B 98(2018) 144303<\/p>\n

[8]Xiaoliang Zhang, Hua Bao, Ming Hu, Bilateral substrate effect on the thermal conductivity of two-dimensional silicon, Nanoscale, 2015, 7, 6014<\/p>\n

[9]Zhehao Sun, Kunpeng Yuan, Xiaoliang Zhang, Dawei Tang, Pressure tuning of the thermal conductivity of gallium arsenide from first-principles calculations, Phys. Chem. Chem. Phys.,2018, 10.1039\/C8CP05858J<\/p>\n

[10]Zhang, X. et al. Robustly Engineering Termal Conductivity of Bilayer Graphene by Interlayer Bonding. Sci. Rep. 6 (2016) 22011.<\/p>\n

[11]Tao Ouyang, Xiaoliang Zhang, Ming Hu, Thermal conductivity of ordered-disordered material: a case study of superionic Ag2<\/sub>Te, Nanotechnology 26 (2015) 025702<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u5b8c\u7f8e\u6676\u4f53\u4e2d\u7684\u4f20\u70ed\u5df2\u7ecf\u88ab\u8be6\u5c3d\u7814\u7a76\uff0c\u5e76\u5df2\u5728\u70ed\u7535\u3001\u58f0\u5b50\u6750\u6599\u7b49\u5f88\u591a\u9886\u57df\u6709\u7740\u91cd\u8981\u4f5c\u7528\u3002\u7136\u800c\uff0c\u4ecd\u672a\u80fd\u5728\u57fa\u672c\u5c42\u6b21\u7406\u89e3\u76f8\u53d8\u6750\u6599\u7684\u90e8\u5206\u6676\u6001\u90e8\u5206\u6db2\u6001\u7684\u70ed\u4f20\u8f93\u3002\u4ece\u5b9e\u9645\u89d2\u5ea6\u51fa…<\/p>\n","protected":false},"author":4765,"featured_media":160787,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215,2],"tags":[2597,2875,3200],"class_list":["post-160784","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","category-keji","tag-2597","tag-2875","tag-3200"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/160784"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/4765"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=160784"}],"version-history":[{"count":4,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/160784\/revisions"}],"predecessor-version":[{"id":160923,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/160784\/revisions\/160923"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/160787"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=160784"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=160784"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=160784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}