{"id":163484,"date":"2019-01-04T06:20:16","date_gmt":"2019-01-03T22:20:16","guid":{"rendered":"\/\/m.iemloyee.com\/?p=163484"},"modified":"2019-01-03T15:53:22","modified_gmt":"2019-01-03T07:53:22","slug":"%e3%80%90%e6%9c%aa%e5%9b%9e%e5%a4%8d%e3%80%91%e4%b8%ad%e7%a7%91%e5%a4%a7prl%ef%bc%9a%e9%9d%a2%e5%86%85%e7%a3%81%e5%8c%96%e7%9a%84%e6%9c%ac%e5%be%81%e9%87%8f%e5%ad%90%e5%8f%8d%e5%b8%b8%e9%9c%8d","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=163484","title":{"rendered":"\u4e2d\u79d1\u5927PRL\uff1a\u9762\u5185\u78c1\u5316\u7684\u672c\u5f81\u91cf\u5b50\u53cd\u5e38\u970d\u5c14\u6548\u5e94\uff1a\u641c\u7d22\u89c4\u5219\u548c\u6750\u6599\u9884\u6d4b"},"content":{"rendered":"<p><strong>\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n<p>\u91cf\u5b50\u53cd\u5e38\u970d\u5c14\u6548\u5e94\uff08QAHE\uff09\u4f5c\u4e3a\u970d\u5c14\u201c\u5bb6\u65cf\u201d\u7684\u6700\u540e\u4e00\u4e2a\u8c1c\u9898\uff0c\u6700\u8fd1\u51e0\u5e74\u5f97\u5230\u4e86\u5e7f\u6cdb\u5730\u7814\u7a76\u3002\u5b9e\u73b0QAHE\u9700\u8981\u4e24\u4e2a\u5173\u952e\u56e0\u7d20\uff0c\u5176\u4e00\u662f\u94c1\u78c1\u6027\uff0c\u5373\u6750\u6599\u7684\u672c\u5f81\u78c1\u6027\u6216\u901a\u8fc7\u78c1\u6027\u7269\u8d28\u7684\u63ba\u6742\u6240\u5f15\u8d77\u7684\u78c1\u6027\uff1b\u5176\u4e8c\u662f\u81ea\u65cb-\u8f68\u9053\u8026\u5408\uff08SOC\uff09\uff0c\u5176\u53ef\u4ee5\u5f15\u5165\u4e00\u4e2a\u91cd\u8981\u7684\u62d3\u6251\u76f8\u4f4d\u3002\u5728\u4e4b\u524d\u7684\u6240\u6709\u7814\u7a76\u5de5\u4f5c\u4e2d\u5747\u5b58\u5728\u4e00\u79cd\u9ed8\u8ba4\u7684\u5047\u8bbe\uff0c\u5373\u94c1\u78c1\u6027\u5fc5\u987b\u5177\u6709\u9762\u5916\u7684\u78c1\u5316\u3002\u4ece\u7269\u7406\u5b66\u89d2\u5ea6\u6765\u8bb2\uff0c\u9762\u5916\u78c1\u5316\u5bf9\u4e8eQAHE\u53ea\u662f\u4e00\u4e2a\u5145\u5206\u6761\u4ef6\u800c\u4e0d\u662f\u4e00\u4e2a\u5fc5\u8981\u6761\u4ef6\u3002\u867d\u7136\u5f88\u591a\u7814\u7a76\u4eba\u5458\u5df2\u7ecf\u9884\u6d4b\u9762\u5185\u78c1\u5316\u4e5f\u80fd\u8bf1\u5bfc\u4ea7\u751fQAHE\uff0c\u4f46\u5927\u90e8\u5206\u90fd\u53ea\u662f\u7b80\u5355\u7684\u6a21\u578b\u8ba1\u7b97\uff0c\u5e76\u672a\u5efa\u7acb\u78c1\u5404\u76f8\u5f02\u6027\u548c\u5c40\u90e8\u7535\u573a\u7ed3\u6784\u4e4b\u95f4\u7684\u672c\u8d28\u5173\u7cfb\u3002\u5bf9\u4e8e\u5982\u4f55\u5728\u5177\u6709\u9762\u5185\u78c1\u5316\u7684\u5b9e\u9645\u94c1\u78c1\u6750\u6599\u4e2d\u641c\u5bfbQAHE\uff0c\u76ee\u524d\u8fd8\u4e0d\u592a\u6e05\u695a\u3002<\/p>\n<p><strong>\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n<p>\u8fd1\u65e5\uff0c<strong>\u4e2d\u56fd\u79d1\u5b66\u6280\u672f\u5927\u5b66\u738b\u5f81\u98de\u6559\u6388\u3001\u6768\u91d1\u9f99\u6559\u6388\u548c\u72b9\u4ed6\u5927\u5b66\u76d0\u57ce\u6e56\u5206\u6821Feng Liu\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u7b49\u4eba\u5f15\u5165\u4e00\u79cd\u901a\u7528\u7684\u641c\u7d22\u89c4\u5219\u586b\u8865\u4e86\u9762\u5185\u78c1\u5316\u641c\u5bfbQAHE\u7684\u7a7a\u767d\uff0c\u5e76\u4f7f\u7528\u7b2c\u4e00\u6027\u539f\u7406\u9884\u6d4b\u51fa\u5355\u5c42LaCl\uff0c\u4ee5\u5b9e\u73b0\u9762\u5185\u78c1\u5316\u7684\u672c\u5f81QAHE\u3002\u7531\u4e8e\u81ea\u65cb-\u8f68\u9053\u8026\u5408\uff0c\u5f53\u8d39\u7c73\u80fd\u7ea7\u4e0a\u7b80\u5e76\u8282\u70b9\u4e0e\u78c1\u91cf\u5b50\u6570\u7684\u7edd\u5bf9\u503c\u76f8\u540c\u65f6\uff0c\u78c1\u5316\u5c06\u503e\u5411\u4e8e\u9762\u5185\u65b9\u5411\u3002\u6b64\u5916\uff0c\u6839\u636e\u7834\u7f3a\u548c\u5b88\u6052\u7684\u955c\u9762\u5bf9\u79f0\uff0c\u53ef\u4ee5\u5b9e\u73b0QAHE\u62162D\u534a\u91d1\u5c5e\u3002\u901a\u8fc7\u8c03\u6574\u9762\u5185\u78c1\u5316\u7684\u65b9\u5411\uff0cLaCl\u4e2d\u7684QAHE\u8868\u73b0\u51fa\u4e09\u91cd\u65cb\u8f6c\u5bf9\u79f0\u6027\uff0c\u5176\u9648\u6570\u4e3a+1\u6216-1\uff0c\u5176\u8f6c\u53d8\u70b9\u662f2D\u534a\u91d1\u5c5e\u76f8\u3002\u8be5\u7814\u7a76\u7ed3\u679c\u6781\u5927\u5730\u6269\u5c55\u4e86QAHE\u7684\u6750\u6599\u5bb6\u65cf\uff0c\u4ece\u800c\u6fc0\u53d1\u4e86\u4ece\u5b9e\u9a8c\u89d2\u5ea6\u7814\u7a76\u8be5\u73b0\u8c61\u7684\u5174\u8da3\u3002\u76f8\u5173\u6210\u679c\u4ee5\u9898\u4e3a\u201c<strong>Intrinsic Quantum Anomalous Hall Effect with In-Plane Magnetization: Searching Rule and Material Prediction<\/strong>\u201d\u53d1\u8868\u4e8e\u56fd\u9645\u9876\u7ea7\u7269\u7406\u671f\u520a<strong>Physical Review Letters<\/strong>\u3002<\/p>\n<p><strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n<p><strong>\u56fe\u4e00 \u9762\u5185\u78c1\u5316\u641c\u7d22QAHE\u7684\u793a\u610f\u56fe<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-163485 aligncenter\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/12\/1-45.jpg\" alt=\"\" width=\"600\" height=\"483\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/12\/1-45.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/12\/1-45-300x242.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><br \/>\n \u4e0d\u540c\u7684\u62d3\u6251\u76f8\u7531\u78c1\u5316\u65b9\u5411\u3001\u955c\u9762\u5bf9\u79f0\u548cSOC\u51b3\u5b9a<\/p>\n<p><strong>\u56fe\u4e8c LaCl\u7684\u7ed3\u6784<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-163486 aligncenter\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/12\/2-45.jpg\" alt=\"\" width=\"600\" height=\"502\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/12\/2-45.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/12\/2-45-300x251.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><br \/>\n \uff08a\uff09\u5355\u5c42LaCl\u7684\u4fef\u89c6\u56fe\u548c\u9762\u5185\u78c1\u5316\u7684\u89d2\u5ea6<br \/>\n \uff08b\uff09\u5355\u5c42LaCl\u7684\u5265\u79bb\u80fd\uff0c\u63d2\u56fe\u662f\u5757\u4f53LaCl\u7684\u4fa7\u89c6\u56fe\u548c\u5c42\u95f4\u8ddd<br \/>\n \uff08c\uff09\u65e0SOC\u7684\u5355\u5c42LaCl\u7684\u81ea\u65cb-\u6781\u5316\u94c1\u78c1\u80fd\u5e26\u7ed3\u6784\uff0c\u7ea2\u8272\u548c\u84dd\u8272\u5206\u522b\u8868\u793a\u81ea\u65cb\u5411\u4e0a\u548c\u81ea\u65cb\u5411\u4e0b\u7684\u80fd\u5e26<br \/>\n \uff08d\uff09\u5728c\u4e2d\u8d39\u7c73\u80fd\u7ea7\u9644\u8fd1\u7684\u0393\u70b9\u76843D\u80fd\u5e26<\/p>\n<p><strong>\u56fe\u4e09 2D\u8282\u70b9\u534a\u91d1\u5c5e\u7684\u76f8\u53d8<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-163487 aligncenter\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/12\/3-49.jpg\" alt=\"\" width=\"600\" height=\"326\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/12\/3-49.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/12\/3-49-300x163.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><br \/>\n \uff08a\uff09\u5177\u6709SOC\u7684\u5355\u5c42LaCl\u7684\u80fd\u5e26\u7ed3\u6784\uff0c\u5176\u9762\u5185\u78c1\u5316\u6cbf\u7740<em>\u03d5<\/em> = 0\u00b0\/180\u00b0<br \/>\n \uff08b\uff09\u5782\u76f4\u4e8ea\u4e2d\u955c\u9762\u7684\u9762\u5185\u78c1\u5316\uff08\u84dd\u8272\u7bad\u5934\uff09\u7684\u955c\u9762\u4e0a\uff08\u6a59\u8272\u865a\u7ebf\uff09\u4e24\u4e2a\u7b80\u5e76\u70b9\uff08\u7ea2\u70b9\uff09\u7684\u793a\u610f\u56fe<br \/>\n \uff08c-f\uff09\u4e0ea\uff0cb\u76f8\u540c\uff0c\u4f46\u9762\u5185\u78c1\u5316\u5206\u522b\u6cbf\u7740<em>\u03d5<\/em> = 60\u00b0\/240\u00b0\u548c<em>\u03d5<\/em> = 120\u00b0\/300\u00b0<br \/>\n \uff08g\uff09\u5177\u6709SOC\u7684\u5355\u5c42LaCl\u7684\u80fd\u5e26\u7ed3\u6784\uff0c\u5176\u9762\u5185\u78c1\u5316\u6cbf\u7740<em>\u03d5<\/em> = 30\u00b0\uff0c\u5982\u63d2\u56fe\u4e2d\u7684\u7bad\u5934\u6240\u793a<br \/>\n \uff08h\uff09g\u7684\u4e00\u7ef4\u62d3\u6251\u8fb9\u7f18\u6001\uff0c\u8868\u660e\u5177\u6709\u9762\u5185\u78c1\u5316\u7684QAHE\uff0c\u63d2\u56fe\u662f\u5de6\u53f3\u8fb9\u7f18\u6001\u7684\u6563\u5c04\u65b9\u5411\u793a\u610f\u56fe<br \/>\n \uff08i, j\uff09\u4e0eg\uff0ch\u76f8\u540c\uff0c\u4f46\u5176\u9762\u5185\u78c1\u5316\u6cbf\u7740<em>\u03d5<\/em> = 90\u00b0<\/p>\n<p><strong>\u56fe\u56db \u5355\u5c42LaCl\u7684\u76f8\u5173\u7269\u7406\u6027\u8d28<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-163488 aligncenter\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/12\/4-44.jpg\" alt=\"\" width=\"600\" height=\"537\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/12\/4-44.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/12\/4-44-300x269.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><br \/>\n \uff08a-f\uff09\u5355\u5c42LaCl\u7684\u8d1d\u745e\u66f2\u7387\u548c\u9648\u6570\uff0c\u5176\u9762\u5185\u78c1\u5316\u5206\u522b\u6cbf\u7740<em>\u03d5<\/em> = 30\u00b0\u300190\u00b0\u3001150\u00b0\u3001210\u00b0\u3001270\u00b0\u548c330\u00b0\uff0c\u7bad\u5934\u8868\u793a\u78c1\u5316\u65b9\u5411\uff0c\u9634\u5f71\u533a\u57df\u7a81\u51fa\u4e86\u4e0d\u540c\u6784\u578b\u6240\u9009\u62e9\u7684\u5355\u80de<br \/>\n \uff08g\uff09\u901a\u8fc7\u6539\u53d8\u9762\u5185\u78c1\u5316\u65b9\u5411\u6240\u6d4b\u91cf\u7684QAHE\u793a\u610f\u56fe<br \/>\n \uff08h\uff09\u91cf\u5b50\u5316\u7684\u970d\u5c14\u7535\u5bfc\u4e0e\u9762\u5185\u78c1\u5316\u65b9\u5411\u7684\u5173\u7cfb<\/p>\n<p><strong>\u56fe\u4e94 \u5355\u5c42LaCl\u7d27\u675f\u7f1a\u6a21\u578b\u8ba1\u7b97\u53ca\u5176\u76f8\u5173\u7269\u7406\u6027\u8d28<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-163489 aligncenter\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/12\/5-34.jpg\" alt=\"\" width=\"600\" height=\"591\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/12\/5-34.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/12\/5-34-300x296.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><br \/>\n \uff08a\uff09\u65e0\u78c1\u5316\u548cSOC\u4e0b\u5355\u5c42LaCl\u7684DFT\u548cWannier\u6240\u62df\u5408\u7684\u80fd\u5e26\u7ed3\u6784<br \/>\n \uff08b\uff09\u4e24\u79cd\u62df\u5408\u7684Wannier \u51fd\u6570\u7684\u4fef\u89c6\u548c\u4fa7\u89c6\u56fe<br \/>\n \uff08c\uff09\u6cbf\u7740<em>\u03d5<\/em> = 30\u00b0\u7684\u9762\u5185\u78c1\u5316\u7684\u7d27\u675f\u7f1a\u80fd\u5e26\u7ed3\u6784<br \/>\n \uff08d\uff09c\u4e2d\u76841D\u5e26\u72b6\u7684\u80fd\u5e26\u7ed3\u6784\uff0c\u7ea2\u8272\u548c\u84dd\u8272\u5206\u522b\u8868\u793a\u5de6\u548c\u53f3\u7684\u8fb9\u7f18\u6001<br \/>\n \uff08e\uff09c\u4e2d\u7684\u8d1d\u745e\u66f2\u7387\u548c\u9648\u6570<br \/>\n \uff08f-h\uff09\u4e0ec-e\u76f8\u540c\uff0c\u4f46\u6cbf\u7740<em>\u03d5<\/em> = 90\u00b0\u7684\u9762\u5185\u78c1\u5316<br \/>\n \u5176\u7d27\u675f\u7f1a\u53c2\u6570\u662f<em>t\u00a0<\/em>= 1.0 eV\u3001<em>\u03bb<sub>I<\/sub><\/em> = 0.03 eV\u3001<em>\u03bb<sub>R<\/sub><\/em> = -0.03 eV\u548c<em>t<sub>M\u00a0<\/sub><\/em>= -2.0 eV<\/p>\n<p><strong>\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n<p>\u672c\u6587\u5efa\u7acb\u4e86\u8282\u7ebf\u4e0e\u78c1\u5404\u5411\u5f02\u6027\u4e4b\u95f4\u7684\u57fa\u672c\u5173\u7cfb\uff0c\u4ecb\u7ecd\u4e86\u5728\u9762\u5185\u78c1\u5316\u641c\u7d22QAHE\u7684\u4e00\u822c\u89c4\u5219\uff0c\u5e76\u5bf9\u5b9e\u9645\u6750\u6599\u8fdb\u884c\u9884\u6d4b\u3002\u8be5\u7814\u7a76\u7ed3\u6784\u6781\u5927\u5730\u4e30\u5bcc\u4e86\u7269\u7406\u5b66\u5e76\u6269\u5c55\u4e86QAHE\u7684\u6750\u6599\u5bb6\u65cf\uff0c\u5e76\u6709\u671b\u5f15\u8d77\u76f8\u5173\u5b9e\u9a8c\u7814\u7a76\u4eba\u5458\u7684\u6ce8\u610f\u3002<\/p>\n<p><strong>\u6587\u732e\u8fde\u63a5\uff1a<a href=\"https:\/\/journals.aps.org\/prl\/abstract\/10.1103\/PhysRevLett.121.246401\">Intrinsic Quantum Anomalous Hall Effect with In-Plane Magnetization Searching Rule and Material Prediction<\/a><\/strong>\uff08Physical Review letters, 2018, DOI: 10.1103\/PhysRevLett.121.246401\uff09<\/p>\n<p>\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u8ba1\u7b97\u6750\u6599\u7ec4\u675c\u6210\u6c5f\u7f16\u8bd1\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n<p>\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\u7bb1tougao@cailiaoren.com.<\/p>\n<p>\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u5f15\u8a00\u3011 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