{"id":152976,"date":"2018-09-07T06:58:56","date_gmt":"2018-09-06T22:58:56","guid":{"rendered":"\/\/m.iemloyee.com\/?p=152976"},"modified":"2018-09-06T15:59:17","modified_gmt":"2018-09-06T07:59:17","slug":"%e4%b8%ad%e7%a7%91%e5%a4%a7phys-rev-lett-%ef%bc%9a%e5%87%86%e4%ba%8c%e7%bb%b4fe3sn2-kagome%e6%99%b6%e6%a0%bc%e7%9a%84%e6%96%b0%e5%a5%87%e7%94%b5%e5%ad%90%e7%89%b9%e6%80%a7","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=152976","title":{"rendered":"\u4e2d\u79d1\u5927Phys. Rev. Lett.\uff1a\u51c6\u4e8c\u7ef4Fe3Sn2 Kagome\u6676\u683c\u7684\u65b0\u5947\u7535\u5b50\u7279\u6027"},"content":{"rendered":"

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

\u5728\u7535\u5b50\u80fd\u5e26\u7406\u8bba\u4e2d\uff0c\u56fa\u4f53\u7684\u80fd\u5e26\u7ed3\u6784\u662f\u901a\u8fc7\u6c42\u89e3\u6676\u683c\u5468\u671f\u7535\u4f4d\u4e2d\u7535\u5b50\u7684\u5355\u7535\u5b50\u859b\u5b9a\u8c14\u65b9\u7a0b\u786e\u5b9a\u3002\u901a\u8fc7\u9002\u5f53\u8bbe\u8ba1\u6676\u683c\u7ed3\u6784\u53ef\u4ee5\u83b7\u5f97\u5404\u79cd\u975e\u51e1\u7684\u80fd\u5e26\u7ed3\u6784\u3002\u4e00\u4e2a\u5e7f\u53d7\u5173\u6ce8\u7684\u4f8b\u5b50\u662f\u901a\u8fc7\u6784\u9020\u8702\u5de2\u6676\u683c\u53ef\u4ee5\u5b9e\u73b0\u5177\u6709\u7ebf\u6027\u8272\u6563\u5173\u7cfb\u7684\u72c4\u62c9\u514b\u80fd\u5e26\u3002\u800c\u4e0e\u72c4\u62c9\u514b\u80fd\u5e26\u5f62\u6210\u9c9c\u660e\u5bf9\u7167\u7684\u662f\u5e73\u5e26\u3002\u72c4\u62c9\u514b\u80fd\u5e26\u4e2d\u7535\u5b50\u6ca1\u6709\u8d28\u91cf\uff0c\u800c\u5e73\u5e26\u4e2d\u7684\u7535\u5b50\u5177\u6709\u5f88\u91cd\u7684\u8d28\u91cf\u3002\u7406\u8bba\u9884\u8a00\u5e73\u5e26\u53ef\u80fd\u5bfc\u81f4\u5404\u79cd\u6fc0\u52a8\u4eba\u5fc3\u7684\u7269\u7406\u6548\u5e94\uff0c\u5305\u62ec\u94c1\u78c1\u6027\u3001\u9ad8\u6e29\u5206\u6570\u91cf\u5b50\u970d\u5c14\u6548\u5e94\u3001Wigner\u6676\u4f53\u3001\u73bb\u8272-\u7231\u56e0\u65af\u5766\u51dd\u805a\u3001\u4ee5\u53ca\u9ad8\u6e29\u8d85\u5bfc\u7b49\u3002\u539f\u5219\u4e0a\u5e73\u5e26\u53ef\u4ee5\u901a\u8fc7\u6784\u9020\u4e00\u4e9b\u7279\u6b8a\u6676\u683c\u4f7f\u7535\u5b50\u5e03\u6d1b\u8d6b\u6ce2\u5c40\u57df\u76f8\u6d88\u5e72\u6d89\u6765\u5b9e\u73b0\u3002\u7136\u800c\u8fc4\u4eca\u4e3a\u6b62\uff0c\u5bf9\u5b9e\u9645\u6750\u6599\u5e73\u5e26\u7684\u5b9e\u9a8c\u9a8c\u8bc1\u53ca\u5e73\u5e26\u7269\u7406\u6548\u5e94\u7684\u5c55\u793a\u4ecd\u7136\u662f\u4e00\u4e2a\u5de8\u5927\u7684\u6311\u6218\u3002\u5728\u672c\u6587\u4e2d\uff0c\u4f5c\u8005\u83b7\u5f97\u4e86\u771f\u5b9e\u7684\u5206\u5c422D kagome Fe3<\/sub>Sn2<\/sub>\u4e2d\u5e73\u5e26\u548c\u94c1\u78c1\u6027\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u66fe\u957f\u6de6\u6559\u6388<\/strong>\u7814\u7a76\u56e2\u961f\u4e0e\u97e9\u56fd\u6c49\u9633\u5927\u5b66\u7684\u4e2d\u5fc3\u8bbf\u95ee\u5b66\u8005Jun-Hyung Ch<\/strong>o\u6559\u6388\u3001\u56fd\u5bb6\u540c\u6b65\u8f90\u5c04\u5b9e\u9a8c\u5ba4\u5b59\u5586\u6559\u6388<\/strong>\u7b49\u5408\u4f5c\uff0c\u7ed3\u5408\u626b\u63cf\u96a7\u9053\u663e\u5fae\u672f\u3001\u89d2\u5206\u8fa8\u5149\u7535\u5b50\u80fd\u8c31\u3001\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\u7b49\u624b\u6bb5\uff0c\u8bc1\u5b9e\u51c6\u4e8c\u7ef4kagome\u5316\u5408\u7269Fe3<\/sub>Sn2<\/sub>\u786e\u5b9e\u5b58\u5728\u5e73\u5e26\u7535\u5b50\u7ed3\u6784\u3002\u901a\u8fc7\u7406\u8bba\u8ba1\u7b97\u548c\u6a21\u578b\u8bc1\u5b9e\uff0c\u5f71\u54cd\u5e26\u5e73\u5766\u5ea6\u7684\u4e3b\u8981\u539f\u56e0\u662fkagome\u6676\u683c\u5185Bloch\u6ce2\u51fd\u6570\u7684\u5c40\u90e8\u7834\u574f\u6027\u3002\u5728kagome\u6676\u683c\u4e2d\u7684\u516d\u8fb9\u5f62\u5355\u5143\u7684\u72ec\u7279\u7f51\u683c\u4e2d\uff0c\u5206\u5b50\u5185\u4ea4\u6362\u76f8\u4e92\u4f5c\u7528\u5f62\u6210\u7684\u5c40\u90e8\u81ea\u65cb\u77e9\u7684\u94c1\u78c1\u8026\u5408\u3002\u8fd9\u9879\u7814\u7a76\u4e3a\u63a2\u7d22\u6676\u683c\u9a71\u52a8\u7684\u957f\u7a0b\u94c1\u78c1\u5e8f\u63d0\u4f9b\u4e86\u65b0\u601d\u8def\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201c<\/strong>Flatbands and Emergent Ferromagnetic Ordering in Fe3<\/sub>Sn2<\/sub> Kagome Lattices<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Physical Review Letters<\/strong>\u4e0a\uff0c\u5e76\u88ab\u520a\u7269\u7f16\u8f91\u90e8\u8bc4\u9009\u4e3aEditors\u2019Suggestion\u3002\u535a\u58eb\u751f\u6797\u5fd7\u52c7<\/strong>\u4e3a\u6587\u7ae0\u7b2c\u4e00\u4f5c\u8005\u3002<\/p>\n

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

\u56fe<\/strong> 1 <\/strong>\u5757\u4f53<\/strong>Fe3<\/sub>Sn2<\/sub><\/strong>\u53ca\u5176\u8868\u9762\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09kagome\u6676\u683c\u4e2d\u516d\u8fb9\u5f62\u4e0a\u6ce2\u51fd\u6570\u81ea\u5b9a\u4f4d\u7684\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08b\uff0cc\uff09\u5757\u4f53Fe3<\/sub>Sn2<\/sub>\u4f18\u5316\u7ed3\u6784\u7684\u9876\u89c6\u56fe\u548c\u900f\u89c6\u56fe\uff1b<\/p>\n

\uff08d\uff09\u4e09\u4e2a\u4e0d\u540c\u539f\u5b50\u5206\u8fa8\u7387\u5c42\u7684\u6a2a\u622a\u9762TEM\u56fe\u50cf\uff1b<\/p>\n

\uff08e\uff09\u4e24\u4e2a\u4e0d\u540c\u8868\u9762\u5c42\u7684\u88c2\u5f00\u7684Fe3<\/sub>Sn2<\/sub>\u8868\u9762\u7684STM\u56fe\u50cf\uff1b<\/p>\n

\uff08f-i\uff09\u4e24\u4e2a\u4e0d\u540c\u8868\u9762\u5c42\u7684Vs<\/sub><\/em> = 0.2\u548c-0.2 V\u7684\u539f\u5b50\u5206\u8fa8\u7387STM\u56fe\u50cf\u3002<\/p>\n

\u56fe<\/strong> 2 Fe3<\/sub>Sn2<\/sub><\/strong>\u8868\u9762\u7684\u7535\u5b50\u80fd\u5e26\u7ed3\u6784\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff0cb\uff09ARPES\u5206\u522b\u6cbf\u0393-K\u548c\u0393-M\u7ebf\u7684\u7ed3\u679c\u56fe\uff08\u9876\u90e8\uff09\uff0cFe-Sn-1\u8868\u9762\u5c42\u7684\u81ea\u65cb\u6781\u5316\u5e26\u56fe\uff08\u5e95\u90e8\uff09\uff1b<\/p>\n

\uff08c\uff09Fe-Sn-1\u8868\u9762\u7684\u81ea\u65cb\u6781\u5316\u5e26\u7ed3\u6784\u56fe\uff1b<\/p>\n

\uff08d\uff09Fe-Sn-1\uff08\u5b9e\u5fc3\u5706\uff09\u548cSn\uff08\u865a\u7ebf\u5706\uff09\u7684\u8d39\u7c73\u80fd\u7ea7\u7684\u5149\u53d1\u5c04\u5f3a\u5ea6\u548c\u8d39\u7c73\u9762\u53e0\u52a0\u56fe\u3002<\/p>\n

\u56fe<\/strong> 3 Fe-Sn-1<\/strong>\u8868\u9762\u7684\u626b\u63cf\u96a7\u9053\u8c31<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u6cbf\u84dd\u7ebf\u7684\u5dee\u5206\u7535\u5bfc\u56fe\uff08\u9876\u90e8\uff09\u53ca\u5176\u5728Vs<\/sub><\/em>\u00a0= -0.2 V\u7684STM\u56fe\u50cf\uff08\u5e95\u90e8\uff09\uff1b<\/p>\n

\uff08b\uff09Fe-Sn-1\u8868\u9762\u7ed3\u6784\u7684\u0393\u70b9\u5904\u7684\u5e73\u5e26\u72b6\u6001\u7684\u7535\u8377\u7279\u6027\u56fe\uff08\u9876\u90e8\uff09\uff0c\u5e73\u884c\u6a2a\u622a\u9762Fe-Sn\u5c42\u7684\u7535\u8377\u7279\u6027\u56fe\uff08\u5e95\u90e8\uff09\u3002<\/p>\n

\u56fe<\/strong> 4 <\/strong>Fe3<\/sub>Sn2<\/sub><\/strong>\u7684\u94c1\u78c1\u6709\u5e8f\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff0cb\uff09\u57282 K\u4e0b\uff0cFe3<\/sub>Sn2<\/sub>\u5355\u6676\u7684\u78c1\u6ede\u56de\u7ebf\u56fe\u548c\u6e29\u5ea6\u4f9d\u8d56\u78c1\u77e9\u56fe;<\/p>\n

\uff08c\uff09\u5757\u4f53Fe3<\/sub>Sn2<\/sub>\u975e\u78c1\u6027\u72b6\u6001\u7684\u80fd\u5e26\u7ed3\u6784\uff0cDOS\u548c\u90e8\u5206DOS\u56fe\uff1b<\/p>\n

\uff08d\uff09\u5757\u4f53Fe3<\/sub>Sn2<\/sub>\u94c1\u78c1\u6001\u7684DOS\u56fe\uff1b<\/p>\n

\uff08e\uff09\u94c1\u78c1\u6001\u7684\u81ea\u65cb\u5bc6\u5ea6\u5206\u5e03\u56fe\u3002<\/p>\n

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

\u672c\u6587\u4e0d\u4ec5\u5728\u5b9e\u9a8c\u4e0a\u7b2c\u4e00\u6b21<\/strong>\u5c55\u793a\u4e86\u5b9e\u9645kagome\u6676\u683c\u786e\u5b9e\u53ef\u4ee5\u5b58\u5728\u5e73\u5e26\u7535\u5b50\u7ed3\u6784\uff0c\u800c\u4e14\u4e3a\u63a2\u7d22\u6676\u683c\u9a71\u52a8\u7684\u957f\u7a0b\u94c1\u78c1\u5e8f\u63d0\u4f9b\u4e86\u65b0\u601d\u8def\u3002\u672a\u6765\u5bf9\u5e73\u5e26\u7535\u5b50\u7ed3\u6784\u7684\u8fdb\u4e00\u6b65\u8c03\u63a7\uff0c\u6bd4\u5982\u8c03\u8282\u8d39\u7c73\u9762\u4f4d\u7f6e\uff0c\u5c06\u6709\u53ef\u80fd\u5b9e\u73b0\u5176\u5b83\u5728\u62d3\u6251\u91cf\u5b50\u8ba1\u7b97\u65b9\u9762\u6709\u5e94\u7528\u524d\u666f\u7684\u65b0\u5947\u91cf\u5b50\u6001\u3002\u4e0a\u8ff0\u7814\u7a76\u5de5\u4f5c\u5f97\u5230\u4e86\u56fd\u5bb6\u81ea\u7136\u79d1\u5b66\u57fa\u91d1\u59d4\u3001\u79d1\u6280\u90e8\u3001\u6559\u80b2\u90e8\u4ee5\u53ca\u91cf\u5b50\u4fe1\u606f\u4e0e\u91cf\u5b50\u79d1\u6280\u524d\u6cbf\u534f\u540c\u521b\u65b0\u4e2d\u5fc3\u7684\u8d44\u52a9\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Flatbands and Emergent Ferromagnetic Ordering in Fe3<\/sub>Sn2<\/sub> Kagome Lattices<\/a><\/strong>\uff08Phys. Rev. Lett., 2018, DOI: 10.1103\/PhysRevLett.121.09640\uff09\u3002<\/p>\n

\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1<\/strong>tougao@cailiaoren.com<\/strong>\u3002<\/p>\n

\u6750\u6599\u4eba\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu<\/strong>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u5728\u7535\u5b50\u80fd\u5e26\u7406\u8bba\u4e2d\uff0c\u56fa\u4f53\u7684\u80fd\u5e26\u7ed3\u6784\u662f\u901a\u8fc7\u6c42\u89e3\u6676\u683c\u5468\u671f\u7535\u4f4d\u4e2d\u7535\u5b50\u7684\u5355\u7535\u5b50\u859b\u5b9a\u8c14\u65b9\u7a0b\u786e\u5b9a\u3002\u901a\u8fc7\u9002\u5f53\u8bbe\u8ba1\u6676\u683c\u7ed3\u6784\u53ef\u4ee5\u83b7\u5f97\u5404\u79cd\u975e\u51e1\u7684\u80fd\u5e26\u7ed3\u6784\u3002\u4e00\u4e2a\u5e7f\u53d7\u5173\u6ce8\u7684\u4f8b\u5b50…<\/p>\n","protected":false},"author":7035,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[3547,2481,3548],"class_list":["post-152976","post","type-post","status-publish","format-standard","hentry","category-jiedu","tag-3547","tag-fp","tag-3548"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/152976"}],"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\/7035"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=152976"}],"version-history":[{"count":2,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/152976\/revisions"}],"predecessor-version":[{"id":152999,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/152976\/revisions\/152999"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=152976"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=152976"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=152976"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}