{"id":136715,"date":"2018-05-01T06:30:20","date_gmt":"2018-04-30T22:30:20","guid":{"rendered":"\/\/m.iemloyee.com\/?p=136715"},"modified":"2018-05-01T15:53:50","modified_gmt":"2018-05-01T07:53:50","slug":"prl%ef%bc%9apbtio3srtio3%e5%a4%9a%e5%b1%82%e8%86%9c%e4%b8%ad%e4%b8%8d%e5%90%8c%e5%81%b6%e6%9e%81%e6%9e%84%e5%9e%8b%e7%9a%84%e6%8b%93%e6%89%91%e7%bc%ba%e9%99%b7%e7%a0%94%e7%a9%b6","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=136715","title":{"rendered":"PRL:\uff1aPbTiO3\/SrTiO3\u591a\u5c42\u819c\u4e2d\u4e0d\u540c\u5076\u6781\u6784\u578b\u7684\u62d3\u6251\u7f3a\u9677\u7814\u7a76"},"content":{"rendered":"<p><strong>\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n<p><strong>\u00a0<\/strong>\u62d3\u6251\u7ed3\u6784\u548c\u7f3a\u9677\u5728\u4e8c\u5341\u4e16\u7eaa\u4e03\u5341\u5e74\u4ee3\u66fe\u7ecf\u4e8e\u6709\u5e8f\u4ecb\u8d28\u4e2d\u88ab\u7814\u7a76\u8fc7\uff0c\u76ee\u524d\u5f15\u8d77\u4e86\u94c1\u7535\u548c\u78c1\u6027\u6750\u6599\u9886\u57df\u7684\u7814\u7a76\u4eba\u5458\u7684\u6781\u5927\u5173\u6ce8\u3002\u7531\u4e8e\u5176\u81ea\u7531\u5ea6\u5206\u522b\u662f\u7535\u5076\u6781\u5b50\u548c\u81ea\u65cb\uff0c\u56e0\u800c\u8fd9\u4e9b\u6750\u6599\u4e2d\u7684\u62d3\u6251\u7ed3\u6784\u548c\u7f3a\u9677\u901a\u5e38\u5305\u542b\u4e0d\u540c\u7c7b\u578b\u7684\u7574\u58c1\uff08DW\uff09\u4ee5\u53ca\u7535\u5076\u6781\u5b50\u6216\u78c1\u6027\u81ea\u65cb\u7684\u5176\u4ed6\u6784\u578b\u3002\u4e0e\u6700\u8fd1\u8d8a\u6765\u8d8a\u591a\u7684\u6709\u5173\u78c1\u6ed1\u52a8\u4f53\u7684\u5236\u5907\u548c\u8868\u5f81\u7684\u5b9e\u9a8c\u62a5\u544a\u76f8\u6bd4\uff0c\u5173\u4e8e\u94c1\u7535\u4f53\u4e2d\u5076\u6781\u5b50\u590d\u6742\u53c8\u72ec\u7279\u6784\u578b\u7684\u5b9e\u9a8c\u8868\u5f81\u662f\u6781\u5176\u6709\u9650\u7684\u3002<\/p>\n<p><strong>\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n<p><strong>\u00a0<\/strong><strong>\u897f\u5b89\u4ea4\u901a\u5927\u5b66\u8d3e\u6625\u6797\u548c\u7f8e\u56fd\u963f\u80af\u8272\u5927\u5b66<\/strong><strong>Laurent Bellaiche<\/strong><strong>\u7b49\u4eba\u62a5\u9053<\/strong>\u4e86PTO\/STO\u5916\u5ef6\u591a\u5c42\u819c\u4e2d\u7535\u5076\u6781\u5b50\u72ec\u7279\u6784\u578b\u7684\u62d3\u6251\u7f3a\u9677\u3002\u4ed6\u4eec\u901a\u8fc7\u5b9a\u91cf\u9ad8\u5206\u8fa8\u7387\u626b\u63cf\u900f\u5c04\u7535\u5b50\u663e\u5fae\u5b66\u6280\u672f\uff0c\u57fa\u4e8e\u539f\u5b50\u5206\u8fa8\u7387\u9ad8\u89d2\u5ea6\u73af\u5f62\u6697\u573a\uff08HAADF\uff09\u56fe\u50cf\u786e\u5b9a\u4e86\u539f\u5b50\u4f4d\u7f6e\uff0c\u4ece\u800c\u5728\u591a\u5c42PbTiO<sub>3<\/sub>\/SrTiO3\u819c\u7684PbTiO<sub>3<\/sub>\u5c42\u4e2d\u63ed\u793a\u4e86\u7eb3\u7c73\u7535\u62d3\u6251\u7f3a\u9677\u7684\u65b0\u9896\u7ed3\u6784\uff0c\u5305\u62ec\u7535\u5076\u6781\u5b50\u6ce2\uff0c\u5076\u6781\u5b50\u5411\u9519\u548c\u5176\u4ed6\u7535\u62d3\u6251\u7f3a\u9677\u3002\u8fd9\u4e9b\u62d3\u6251\u7f3a\u9677\u7ed3\u6784\u4e5f\u901a\u8fc7\u539f\u5b50\u5c3a\u5ea6\u6570\u503c\u6a21\u62df\u6765\u91cd\u73b0\uff0c\u8bc1\u5b9e\u5e76\u89e3\u91ca\u4e86\u8fd9\u4e9b\u7535\u62d3\u6251\u7f3a\u9677\u7684\u5b58\u5728\u548c\u6027\u8d28\u3002\u8be5\u7814\u7a76\u53d1\u8868\u4e8e<strong>Physical Review Letters<\/strong>\uff0c\u9898\u4e3a\u201c<strong>Topological Defects with Distinct Dipole Configurations in PbTiO<sub>3<\/sub>\/SrTiO<sub>3<\/sub> Multilayer Films<\/strong><strong>\u201d<\/strong>\uff0c\u7b2c\u4e00\u4f5c\u8005\u4e3a\u897f\u5b89\u4ea4\u901a\u5927\u5b66\u8def\u7490\u3002<\/p>\n<p><strong>\u00a0<\/strong><strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n<p><strong>\u56fe<\/strong><strong>1.HAADF<\/strong><strong>\u56fe\u50cf\u4e0e\u6676\u80de\u5076\u6781\u5b50\u7684\u77e2\u91cf\u56fe<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-136716\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/04\/1-18.png\" alt=\"\" width=\"600\" height=\"1057\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/04\/1-18.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/04\/1-18-170x300.png 170w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/04\/1-18-581x1024.png 581w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\uff08a\uff09STO\u57fa\u5e95\u4e0a\u8d85\u6676\u683c\u819c\u7684[100] HAADF\u56fe\u50cf\u3002\u63d2\u56fe\u663e\u793a\u4e86\u754c\u9762\u7684\u653e\u5927\u90e8\u5206\u548c\u539f\u5b50\u7ec6\u8282\u3002<\/p>\n<p>\uff08b\uff09\u7531\uff08a\uff09\u4e2d\u663e\u793a\u7684\u56fe\u50cf\u786e\u5b9a\u7684\u6676\u80de\u5076\u6781\u5b50\u7684\u77e2\u91cf\u56fe\uff0c\u63ed\u793a\u4e86\u5177\u6709\u660e\u663e\u6a21\u91cf\u503c\u7684\u5076\u6781\u5b50\u51fa\u73b0\u5728PTO\u5c42\uff08\u9ec4\u8272\u533a\u57df\uff09\u4e2d\u3002\u84dd\u8272\u534a\u5706\u8868\u793a\u5076\u6781\u5b50\u7684\u76f8\u4f3c\u6392\u5217\u6784\u578b\u3002\u7ea2\u8272\u6846\u6807\u8bb0\u5177\u6709\u7279\u6b8a\u5076\u6781\u5b50\u6392\u5217\u6784\u578b\u7684\u4f4d\u7f6e\uff0c\u8fd9\u4e9b\u6784\u578b\u88ab\u653e\u5927\u5e76\u793a\u4e8e\u56fe2\u548c\u56fe3\u4e2d\u3002<\/p>\n<p><strong>\u56fe<\/strong><strong>2. A\/B<\/strong><strong>\u5c40\u57df\u653e\u5927\u56fe\u4e0e\u6570\u503c\u6a21\u62df<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-136717\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/04\/2-20.png\" alt=\"\" width=\"600\" height=\"1364\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/04\/2-20.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/04\/2-20-132x300.png 132w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/04\/2-20-450x1024.png 450w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\uff08a\uff09\u56fe1\uff08b\uff09\u4e2dA\u90e8\u5206\u7684\u653e\u5927\u56fe\uff0c\u793a\u51fa\u4e86\u5177\u6709\u53cc\u66f2\u7ebf\u5f62\u72b6\uff08\u7c89\u7ea2-\u7eff\u8272\u533a\u57df\uff09\u7684\u6781\u5316\u57df\u548c\u5177\u6709\u7279\u5f81\u4e3a\u5916\u6d41\u6f29\u6da1\uff08\u7ea2\u8272\u5f2f\u66f2\u7bad\u5934\uff09\u7684\u5076\u6781\u5b50\u6da1\u6d41\u3002\u7ea2\u8272\u7684\u692d\u5706\u8868\u793a\u4e00\u4e2a\u95ed\u5408\u5c0f\u6da1\u6d41\uff0c\u5176\u4e2d\u9762\u5185\u5076\u6781\u77e9\u76f8\u5bf9\u8f83\u5c0f\u3002\uff08b\uff09\u56fe1\uff08b\uff09\u4e2dB\u90e8\u5206\u7684\u653e\u5927\u56fe\uff0c\u5c55\u793a\u51faPTO\u819c\u5c42\u4e2d\u7684\u5076\u6781\u5b50\u6ce2\u7684\u7ec6\u8282\u3002\u84dd\u8272\u7684\u5c0f\u5706\u5708\u8868\u793a\u4e0e\u5076\u6781\u5b50\u6ce2\u76f8\u5173\u7684\u6c14\u6ce1\u3002\uff08c\uff09PTO\u8584\u819c\u5728-0.6\uff05\u538b\u7f29\u5e94\u53d8\u4e0b\uff0c\u6570\u503c\u6a21\u62df\u5e73\u8861\u5076\u6781\u5b50\u6ce2\u663e\u793a\u51fa\u4e0e\uff08b\uff09\u4e2d\u5b9e\u9a8c\u89c2\u5bdf\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<p><strong>\u56fe<\/strong><strong>3.<\/strong><strong> C<\/strong><strong>\u5c40\u57df\u653e\u5927\u56fe\u4e0e\u6570\u503c\u6a21\u62df\u5411\u9519<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-136718\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/04\/3-21.png\" alt=\"\" width=\"600\" height=\"1005\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/04\/3-21.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/04\/3-21-179x300.png 179w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\uff08a\uff09\u56fe1\uff08b\uff09\u4e2dC\u90e8\u5206\u7684\u653e\u5927\u56fe\uff0c\u663e\u793a180\u00b0\u5076\u6781\u5b50\u5411\u9519\u3002\uff08b\uff09\u5728-0.6\uff05\u538b\u7f29\u5e94\u53d8\u7684PTO\u8584\u819c\u4e2d\uff0c\u6570\u503c\u6a21\u62df\u5411\u9519\u4e0e\uff08a\uff09\u4e2d\u7684\u5b9e\u9a8c\u89c2\u5bdf\u7ed3\u679c\u975e\u5e38\u543b\u5408\uff0c\u540c\u7cfb\u7edf\u57fa\u6001\u76f8\u6bd4\uff0c\u8be5\u5411\u9519\u5728\u80fd\u91cf\u4e0a\u662f\u4e9a\u7a33\u7684\u3002<\/p>\n<p><strong>\u56fe<\/strong><strong>4. <\/strong><strong>\u7b2c\u4e00\u4e2a<\/strong><strong>PTO<\/strong><strong>\u8584\u819c\u5c42\u4e2d\u5076\u6781\u7684\u4e0d\u540c\u6784\u578b<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-136719\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/04\/4-19.png\" alt=\"\" width=\"600\" height=\"289\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/04\/4-19.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/04\/4-19-300x145.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u5728\u4e09\u4e2a\u89c4\u5219\u7684\u53cc\u66f2\u7ebf\u533a\u57df\uff08\u7c89\u7ea2-\u7eff\u8272\u533a\u57df\uff09\u4e4b\u95f4\uff0c\u663e\u793a\u4e86\u76f8\u540c\u7684\u6781\u5316\u65b9\u5411\uff0c\u5176\u4e2d\u5305\u62ec\u4e00\u4e2a\u5c0f\u7684\u4e2d\u5fc3\u90e8\u5206\uff08\u7eff\u8272\u7684\u5c0f\u692d\u5706\uff09\uff0c\u5076\u6781\u5b50\u7684\u884c\u4e3a\u968f\u5468\u56f4\u73af\u5883\u53d8\u5316\u3002<\/p>\n<p><strong>\u00a0<\/strong><strong>\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n<p><strong>\u00a0<\/strong>\u8be5\u7814\u7a76\u5df2\u89c2\u5bdf\u5230\u5916\u5ef6STO\/PTO\u591a\u5c42\u819c\u4e2d\u7684\u5076\u6781\u5b50\u6392\u5217\u6784\u578b\uff0c\u540c\u65f6\u5728\u5b9e\u9a8c\u4e0a\u9996\u6b21\u53d1\u73b0\u4e86\u7eb3\u7c73\u7535\u5076\u6781\u5b50\u6ce2\u3001\u5076\u6781\u5b50\u5411\u9519\u548c\u5176\u4ed6\u4e0d\u540c\u7684\u6784\u578b\u3002\u4ed6\u4eec\u8fdb\u4e00\u6b65\u8fdb\u884c\u7684\u539f\u5b50\u6a21\u62df\u8bc1\u5b9e\u5e76\u89e3\u91ca\u4e86\u8fd9\u4e9b\u5076\u6781\u5b50\u6784\u578b\u7684\u5b58\u5728\u3002\u5c3d\u7ba1\u62d3\u6251\u7ed3\u6784\u548c\u7f3a\u9677\u5df2\u7ecf\u5728\u6709\u5e8f\u4ecb\u8d28\u7406\u8bba\u4e0a\u88ab\u7814\u7a76\u8fc7\uff0c\u8be5\u6210\u679c\u9884\u8ba1\u4f1a\u8fdb\u4e00\u6b65\u52a0\u901f\u5bf9\u94c1\u7535\u4f53\u4e2d\u7535\u5076\u6781\u5b50\u7684\u590d\u6742\u7ed3\u6784\u548c\u76f8\u5173\u6027\u8d28\u7684\u5b9e\u9a8c\u548c\u7406\u8bba\u7814\u7a76\u3002<\/p>\n<p><strong>\u6587\u732e\u94fe\u63a5\uff1a<\/strong><a href=\"https:\/\/journals.aps.org\/prl\/abstract\/10.1103\/PhysRevLett.120.177601\" target=\"_blank\" rel=\"noopener\">Topological Defects with Distinct Dipole Configurations in PbTiO<sub>3<\/sub>\/SrTiO<sub>3<\/sub> Multilayer Films<\/a> (Physical Review Letters 2018, DOI: 10.1103\/PhysRevLett.120.177601)<\/p>\n<p><strong>\u5173\u4e8e\u56e2\u961f\u4fe1\u606f\uff0c\u8bf7\u53c2\u8003\u56e2\u961f\u7f51\u7ad9\uff1a<a href=\"http:\/\/jia-lab.xjtu.edu.cn\" target=\"_blank\" rel=\"noopener\">http:\/\/jia-lab.xjtu.edu.cn<\/a>\u3002<\/strong><\/p>\n<p>\u672c\u6587\u7531\u6750\u6599\u4eba\u8ba1\u7b97\u6750\u6599\u7ec4Annay\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n<p>\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c<a href=\"\/\/m.iemloyee.com\/25127.html\" target=\"_blank\" rel=\"noopener\">\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8\u5927\u5bb6\u5ead<\/a>\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<a href=\"mailto:\u6295\u7a3f\u90ae\u7bb1tougao@cailiaoren.com\" target=\"_blank\" rel=\"noopener\">\u6295\u7a3f\u90ae\u7bb1tougao@cailiaoren.com<\/a>\u3002<\/p>\n<p><strong>\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1a<\/strong><strong>cailiaokefu<\/strong><strong>\uff0c\u4efb\u4e39\u4e39\uff0c\u6211\u4eec\u4f1a\u9080\u8bf7\u5404\u4f4d\u8001\u5e08\u52a0\u5165\u4e13\u5bb6\u7fa4\u3002<\/strong><\/p>\n<p><strong>\u6750\u6599\u6d4b\u8bd5\u3001\u6570\u636e\u5206\u6790\uff0c\u4e0a<\/strong><a href=\"http:\/\/www.ceshigu.com\/\" target=\"_blank\" rel=\"noopener\"><strong>\u6d4b\u8bd5\u8c37<\/strong><\/a><strong>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u5f15\u8a00\u3011 \u00a0\u62d3\u6251\u7ed3\u6784\u548c\u7f3a\u9677\u5728\u4e8c\u5341\u4e16\u7eaa\u4e03\u5341\u5e74\u4ee3\u66fe\u7ecf\u4e8e\u6709\u5e8f\u4ecb\u8d28\u4e2d\u88ab\u7814\u7a76\u8fc7\uff0c\u76ee\u524d\u5f15\u8d77\u4e86\u94c1\u7535\u548c\u78c1\u6027\u6750\u6599\u9886\u57df\u7684\u7814\u7a76\u4eba\u5458\u7684\u6781\u5927\u5173\u6ce8\u3002\u7531\u4e8e\u5176\u81ea\u7531\u5ea6\u5206\u522b\u662f\u7535\u5076\u6781\u5b50\u548c\u81ea\u65cb\uff0c\u56e0\u800c\u8fd9&#8230;<\/p>\n","protected":false},"author":5415,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-136715","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/136715"}],"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\/5415"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=136715"}],"version-history":[{"count":4,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/136715\/revisions"}],"predecessor-version":[{"id":136864,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/136715\/revisions\/136864"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=136715"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=136715"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=136715"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}