{"id":49189,"date":"2016-11-10T06:30:20","date_gmt":"2016-11-09T22:30:20","guid":{"rendered":"\/\/m.iemloyee.com\/?p=49189"},"modified":"2016-11-09T12:10:26","modified_gmt":"2016-11-09T04:10:26","slug":"prb%e7%ac%ac%e4%b8%80%e6%80%a7%e5%8e%9f%e7%90%86%e5%88%86%e6%9e%90co4nb2o9%e5%92%8c-co4ta2o9%e7%9a%84%e7%a3%81%e7%94%b5%e6%95%88%e5%ba%94","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=49189","title":{"rendered":"Phys.Rev.B\uff1a\u7b2c\u4e00\u6027\u539f\u7406\u5206\u6790Co4Nb2O9\u548c Co4Ta2O9\u7684\u78c1\u7535\u6548\u5e94"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u6700\u8fd1\uff0c\u6709\u5173\u78c1\u7535\u6548\u5e94\u6750\u6599\u7684\u7814\u7a76\u518d\u6b21\u5f15\u8d77\u4e86\u6781\u5927\u7684\u5173\u6ce8\uff0c\u78c1\u7535\u6548\u5e94\u5728\u591a\u529f\u80fd\u7535\u5b50\u8bbe\u5907\u7684\u7814\u53d1\u548c\u78c1\u7535\u7574\u5fae\u89c2\u673a\u5236\u7684\u7814\u7a76\u4e0a\u5177\u6709\u6781\u5927\u7684\u6f5c\u529b\u3002\u5177\u6709\u78c1\u7535\u6548\u5e94\u7684\u5178\u578b\u6750\u6599\u662fCr2<\/sub>O3<\/sub>\uff0c\u5176\u53cd\u94c1\u78c1\u6027\u7ed3\u6784\u5c31\u662f\u5728\u78c1\u7a7a\u95f4\u7fa4\u4e2d\u5f15\u5165\u7a7a\u95f4\u53cd\u6f14\u548c\u65f6\u95f4\u53cd\u6f14\uff0c\u5728\u78c1\u573a\u6216\u8005\u7535\u573a\u4f5c\u7528\u4e0b\uff0c\u7a7a\u95f4\u53cd\u6f14\u6216\u8005\u65f6\u95f4\u53cd\u6f14\u4f1a\u88ab\u7834\u574f\uff0c\u56e0\u6b64\u4ea7\u751f\u7535\u6781\u5316\u548c\u51c0\u78c1\u5316\u5f3a\u5ea6\u30021972\u5e74\uff0c\u79d1\u5b66\u5bb6\u5728M4<\/sub>A2<\/sub>O9<\/sub>\u7c7b\u578b\u6750\u6599\u4e2d\u4e5f\u53d1\u73b0\u4e86\u76f8\u4f3c\u7684\u78c1\u7535\u6548\u5e94\u3002\u8fd1\u6765\uff0c\u4e00\u7cfb\u5217\u8bba\u6587\u53d1\u8868\u4e86\u6709\u5173\u5176\u78c1\u7ed3\u6784\u53ca\u78c1\u7535\u7574\u7684\u8be6\u7ec6\u7814\u7a76\u7ed3\u679c\u3002\u4f8b\u5982\uff0cBertaut\u7b49\u4eba\u6307\u51fa\u5229\u7528\u5355\u6676\u4f53\u66f4\u5bb9\u6613\u5728C2\/c\u2032<\/sup>\u78c1\u7a7a\u95f4\u7fa4\u4e2d\u7ed9\u78c1\u77e9\u5b9a\u8f74\u53ca\u7814\u7a76Co4<\/sub>Nb2<\/sub>O9<\/sub> \u7684\u78c1\u7ed3\u6784\uff1b\u8fdb\u4e00\u6b65\uff0cKhanh\u7b49\u4eba\u6307\u51fa\u5728Co4<\/sub>Nb2<\/sub>O9<\/sub> \u7684\u78c1\u7535\u77e2\u91cf\u4e2d\u5b58\u5728\u4e00\u73af\u884c\u77e9\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u65e5\u672c\u56fd\u5bb6\u6750\u6599\u79d1\u5b66\u7814\u7a76\u6240I. V. Solovyev\u7b49\u4eba\u4ece\u5b9e\u9a8c\u548c\u7406\u8bba\u8ba1\u7b97\u4e24\u4e2a\u65b9\u9762\u7814\u7a76\u4e86\u5316\u5408\u7269Co4<\/sub>Nb2<\/sub>O9<\/sub> \u548cCo4<\/sub>Ta2<\/sub>O9<\/sub>\u7684\u78c1\u7535\u6548\u5e94<\/strong>\u3002\u5b9e\u9a8c\u65b9\u9762\uff0c\u6587\u7ae0\u7ed9\u51fa\u4e86\u5176\u5728\u78c1\u573a\u4e0b\u78c1\u5316\u53ca\u4ecb\u7535\u5e38\u6570\u7684\u6d4b\u91cf\u7ed3\u679c\uff1b\u7406\u8bba\u8ba1\u7b97\u65b9\u9762\uff0c\u4f5c\u8005\u7528\u7b2c\u4e00\u6027\u539f\u7406\u7535\u5b50\u7ed3\u6784\u7684\u8ba1\u7b97\u4f5c\u4e3a\u6784\u5efa\u5728Wannier\u57fa\u77e2\u4e0bCo\u539f\u5b503d\u80fd\u5e26\u4f4e\u80fd\u91cf\u54c8\u4f2f\u5fb7\u578b\u6a21\u578b\u7684\u8f93\u5165\u6570\u636e\u3002\u5b9e\u9a8c\u4e0e\u7406\u8bba\u8ba1\u7b97\u7684\u7ed3\u679c\u90fd\u5f97\u51faCo4<\/sub>Ta2<\/sub>O9<\/sub>\u6bd4Co4<\/sub>Nb2<\/sub>O9<\/sub>\u66f4\u5bb9\u6613\u78c1\u5316\uff0c\u6b64\u5916\uff0c\u7531\u7406\u8bba\u8ba1\u7b97\u53ef\u77e5\u5176\u53cd\u94c1\u7535\u6027\u78c1\u7ed3\u6784\u66f4\u5bb9\u6613\u53d7\u5916\u90e8\u78c1\u573a\u5f71\u54cd\u800c\u53d8\u5f62\uff0c\u8fdb\u800c\u4ea7\u751f\u66f4\u5927\u7684\u6781\u5316\uff0c\u4f46\u6b64\u8d8b\u52bf\u4f3c\u4e4e\u4e0e\u4ecb\u7535\u5e38\u6570\u548c\u6781\u5316\u7684\u5b9e\u9a8c\u884c\u4e3a\u4e0d\u4e00\u81f4\u3002\u4f5c\u8005\u731c\u6d4b\u5b58\u5728\u4e00\u79cd\u9690\u5f62\u7684\u529b\u63a7\u5236\u7740\u8fd9\u4e9b\u5316\u5408\u7269\u5185\u90e8\u7684\u78c1\u7535\u7574\uff0c\u800c\u4e14\u8fd9\u53ef\u80fd\u4e0e\u78c1\u81f4\u4f38\u7f29\u548c\u78c1\u7ed3\u6784\u7684\u81ea\u53d1\u53d8\u5316\u6709\u5173\u3002\u901a\u8fc7\u8fdb\u4e00\u6b65\u7814\u7a76\uff0c\u4f5c\u8005\u6307\u51fa\u5316\u5408\u7269Co4<\/sub>Ta2<\/sub>O9<\/sub>\u548cCo4<\/sub>Nb2<\/sub>O9<\/sub>\u4e0d\u50cf\u5176\u4ed6\u78c1\u7535\u7cfb\u7edf\u4e00\u6837\uff0c\u5176\u78c1\u7535\u6548\u5e94\u662f\u7531\u4e24\u4e2a\u4e9a\u6676\u683c\u4ea7\u751f\u7684\uff0c\u800c\u4e14\u4e24\u8005\u7684\u4f5c\u7528\u6548\u679c\u662f\u76f8\u53cd\u4e14\u8d8b\u4e8e\u4e92\u8865\u7684\u3002\u56e0\u6b64\uff0c\u901a\u8fc7\u8fd9\u4e2a\u529b\u53ef\u4ee5\u63a7\u5236\u548c\u53cd\u8f6c\u8fd9\u4e9b\u5316\u5408\u7269\u7684\u7535\u6781\u6027\u3002<\/p>\n \u3010\u56fe\u6587\u4ecb\u7ecd\u3011<\/strong><\/p>\n \u56fe1 \u78c1\u5316\u7387\u4e0e\u6e29\u5ea6\u7684\u5173\u7cfb\u66f2\u7ebf<\/strong><\/p>\n Co4<\/sub>Nb2<\/sub>O9<\/sub> \u548cCo4<\/sub>Ta2<\/sub>O9<\/sub>\u7c89\u672b\u6837\u54c1\u5728\u78c1\u573a\u5f3a\u5ea6\u4e3a50\u5965\u65af\u7279\u4e0b\u6d4b\u5f97\u7684\u78c1\u5316\u7387\u53ca\u5176\u5012\u6570\u968f\u6e29\u5ea6\u7684\u53d8\u5316\u66f2\u7ebf<\/p>\n \u56fe2 \u78c1\u77e9\u4e0e\u5916\u52a0\u7535\u573a\u7684\u5173\u7cfb\u66f2\u7ebf<\/strong><\/p>\n \u00a0Co4<\/sub>Nb2<\/sub>O9<\/sub> \u548cCo4<\/sub>Ta2<\/sub>O9<\/sub>\u4e2dCo2+<\/sup>\u57282k\u6e29\u5ea6\u4e0b\u6d4b\u5f97\u7684\u78c1\u77e9\u968f\u5916\u573a\u5f3a\u5ea6\u7684\u53d8\u5316\u66f2\u7ebf<\/p>\n \u56fe3\u00a0Co4<\/sub>Nb2<\/sub>O9 <\/sub>\u7684\u6676\u4f53\u7ed3\u6784<\/strong><\/p>\n Co4<\/sub>Nb2<\/sub>O9 <\/sub>\u5728\u57fa\u6001\u4e0b\u7684\u78c1\u7ed3\u6784\u548c\u90e8\u5206\u6676\u4f53\u7ed3\u6784\uff0c\u516d\u65b9\u6676\u7cfb\u7684\u57fa\u77e2\u548c\u7b1b\u5361\u5c14\u5750\u6807\u8f74<\/p>\n \u56fe4<\/strong>\u00a0\u4ecb\u7535\u5e38\u6570\u53ca\u5176\u5bfc\u6570\u4e8e\u6e29\u5ea6\u7684\u5173\u7cfb\u66f2\u7ebf<\/strong><\/p>\n Co4<\/sub>Nb2<\/sub>O9<\/sub> \u548cCo4<\/sub>Ta2<\/sub>O9<\/sub>\u5728250kHZ\u4e0b\u6d4b\u5f97\u7684\u65e0\u573a\u4ecb\u7535\u5e38\u6570(a)\u53ca\u5176\u5bf9\u6e29\u5ea6\u7684\u5bfc\u6570(b)<\/p>\n \u56fe5 \u6bd4\u4f8b\u4ecb\u7535\u5e38\u6570\u4e0e\u6e29\u5ea6\u7684\u5173\u7cfb\u66f2\u7ebf<\/strong><\/p>\n \u00a0\u53bb\u9664\u80cc\u666f\u7684\u6bd4\u4f8b\u4ecb\u7535\u5e38\u6570\u4e0e\uff08T-T\u00ad\u00ad\u00adN<\/sub>\uff09\u7684\u5173\u7cfb\uff0c\u4ecb\u7535\u5e38\u6570\u57281kHZ\u6d4b\u5f97<\/p>\n \u56fe6 \u8ba1\u7b97\u6a21\u62df\u5bc6\u5ea6\u72b6\u6001\u56fe<\/strong><\/p>\n \u5728\u5c40\u90e8\u5bc6\u5ea6\u8fd1\u4f3c\u4e0bCo4<\/sub>Nb2<\/sub>O9<\/sub> \u548cCo4<\/sub>Ta2<\/sub>O9<\/sub>\u603b\u7684\u548c\u90e8\u5206\u7684\u5bc6\u5ea6\u72b6\u6001\u00a0\u00a0 \uff0c\u84dd\u8272\u533a\u57df\u8868\u793aCo 3d\u72b6\u6001\u7684\u90e8\u5206\uff0c\u4e3b\u8981\u80fd\u5e26\u4f4d\u7f6e\u5982\u6807\u793a\u6240\u793a\uff0c\u8d39\u7c73\u80fd\u7ea7\u57280\u5904<\/p>\n \u56fe7 \u6676\u4f53\u573a\u5288\u88c2\u793a\u610f\u56fe<\/strong><\/p>\n Co4<\/sub>Nb2<\/sub>O9<\/sub> \u548cCo4<\/sub>Ta2<\/sub>O9<\/sub>\u4e2d\u4e24\u4e2a\u975e\u7b49\u4ef7Co\u4f4d\u7f6e\u4e0a\u7684\u6676\u4f53\u573a\u5288\u88c2\u65b9\u6848<\/p>\n \u56fe8\u00a0\u53cd\u94c1\u78c1\u57fa\u6001Hartree-Fock\u8ba1\u7b97\u6a21\u578b<\/strong><\/p>\n \u5728\u53cd\u94c1\u78c1\u57fa\u6001Hartree-Fock\u8ba1\u7b97\u6a21\u578b\u4e2d\u5f97\u5230\u7684\u5173\u4e8eCo4<\/sub>Nb2<\/sub>O9<\/sub> \u548cCo4<\/sub>Ta2<\/sub>O9<\/sub>\u4e2d\u4e24\u4e2a\u975e\u7b49\u4ef7Co\u4f4d\u7f6e\u4e0a\u7684\u6574\u4f53\u548c\u5c40\u90e8\u5bc6\u5ea6\u72b6\u6001\uff0c\u7eff\u8272\u7bad\u5934\u4ee3\u8868\u7684\u662f\u5728\u4e24\u4e2a\u975e\u7b49\u4ef7Co\u539f\u5b50\u72b6\u6001\u95f4\u7684\u80fd\u9699\uff0c\u8d39\u7c73\u80fd\u7ea7\u57280\u5904\u3002<\/p>\n \u56fe9 \u539f\u5b50\u4ea4\u6362\u4e0e\u8ddd\u79bb\u7684\u5173\u7cfb\u793a\u610f\u56fe<\/strong><\/p>\n Co4<\/sub>Nb2<\/sub>O9<\/sub> \u548cCo4<\/sub>Ta2<\/sub>O9<\/sub>\u4e2d\u4e24\u4e2a\u975e\u7b49\u4ef7Co\u539f\u5b50\u5468\u56f4\u7684\u539f\u5b50\u95f4\u4ea4\u6362\u4f5c\u7528\u4e0e\u8ddd\u79bb\u7684\u5173\u7cfb\uff0c\u4e3b\u8981\u4ea4\u6362\u4f5c\u7528\u5982\u5185\u90e8\u56fe\u6240\u793a\uff0c\u5176\u4e2d\u7ea2\u8272\u4ee3\u8868\u7b2c\u4e00\u79cd\u7c7b\u578b\u7684Co\u539f\u5b50\uff0c\u6a59\u8272\u4ee3\u8868\u7684\u662f\u7b2c\u4e8c\u79cd\u7c7b\u578b\u7684Co\u539f\u5b50\u3002<\/p>\n \u56fe10\u00a0 Hartree-Fock\u8ba1\u7b97\u6a21\u578b<\/strong><\/p>\n \u5728\u5e73\u884c\u4e8ey\u8f74\u6216z\u8f74\u7684\u78c1\u573a\u4e2d\u7528Hartree-Fock\u8ba1\u7b97\u6a21\u578b\u8ba1\u7b97G1<\/sub>\u6001\u5f97\u5230\u7684\u7535\u6781\u5316(P)\u3001\u81ea\u65cb(MS<\/sup>)\u3001\u8f68\u9053(ML<\/sup>)\u78c1\u5316\u5f3a\u5ea6\u7684\u975e\u96f6\u7ec4\u6210<\/p>\n \u56fe11<\/strong> Hartree-Fock\u8ba1\u7b97\u6a21\u578b\u7ed3\u679c<\/strong><\/p>\n \u5728\u5e73\u884c\u4e8ex\u8f74\u6216z\u8f74\u7684\u78c1\u573a\u4e2d\u7528Hartree-Fock\u8ba1\u7b97\u6a21\u578b\u8ba1\u7b97G2<\/sub>\u6001\u5f97\u5230\u7684\u7535\u6781\u5316(P)\u3001\u81ea\u65cb(MS<\/sup>)\u3001\u8f68\u9053(ML<\/sup>)\u78c1\u5316\u5f3a\u5ea6\u7684\u975e\u96f6\u7ec4\u6210<\/p>\n \u56fe12<\/strong> Hartree-Fock\u8ba1\u7b97\u6a21\u578b\u7ed3\u679c<\/strong><\/p>\n \u5728\u4e0d\u540c\u65b9\u5411\u78c1\u573a\u4e2d\u7528Hartree-Fock\u8ba1\u7b97\u6a21\u578b\u8ba1\u7b97G1<\/sub>\u3001G2<\/sub>\u6001\u5f97\u5230\u7684\u81ea\u78c1\u5316\u5f3a\u5ea6(\u81ea\u65cb\u52a0\u4e0a\u8f68\u9053)\u4e0e\u7535\u6781\u5316\u78c1\u5316\u5f3a\u5ea6\u7684\u5173\u7cfb\u3002<\/p>\n \u56fe13<\/strong> Hartree-Fock\u8ba1\u7b97\u6a21\u578b\u7ed3\u679c<\/strong><\/p>\n \u5728\u65bd\u52a0\u7ed9Co(1)\u6216\u8005Co(2)\u4e9a\u6676\u683c\u78c1\u573a\u4e2d\u7528Hartree-Fock\u8ba1\u7b97\u6a21\u578b\u8ba1\u7b97G1<\/sub>\u6001\u5f97\u5230\u7684Co4<\/sub>Nb2<\/sub>O9<\/sub> \u548cCo4<\/sub>Ta2<\/sub>O9<\/sub>\u7535\u6781\u5316\u5f3a\u5ea6\uff0c\u201cCo(1)+ Co(2)\u201d\u8868\u793a\u4e24\u8005\u4e4b\u548c\uff0c\u201ctotal\u201d\u8868\u793a\u540c\u65f6\u65bd\u52a0\u7ed9\u4e24\u4e2a\u4e9a\u6676\u683c\u5747\u5300\u78c1\u573a\u7684\u6781\u5316\u5f3a\u5ea6\u3002<\/p>\n \u56fe14\u00a0\u80fd\u91cf\u4e0e\u81ea\u65cb\u87ba\u65cb\u77e2\u91cf\u7684\u5173\u7cfb\u66f2\u7ebf<\/strong><\/p>\n \u5bf9Co4<\/sub>Nb2<\/sub>O9<\/sub> \u548cCo4<\/sub>Ta2<\/sub>O9<\/sub>\u8fdb\u884c\u5e73\u5747\u573aHartree-Fock\u8ba1\u7b97\u5f97\u5230\u7684\u603b\u80fd\u91cf\u4e0e\u81ea\u65cb\u87ba\u65cb\u77e2\u91cf\u7684\u5173\u7cfb<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u8be5\u6587\u7ae0\u7ed3\u5408\u5b9e\u9a8c\u548c\u7406\u8bba\u8ba1\u7b97\u6570\u636e\u5206\u6790\u4e86\u5316\u5408\u7269Co4<\/sub>Nb2<\/sub>O9<\/sub> \u548cCo4<\/sub>Ta2<\/sub>O9<\/sub>\u7684\u78c1\u7535\u6548\u5e94\uff0c\u6700\u540e\u53d1\u73b0\u8fd9\u4e24\u79cd\u5316\u5408\u7269\u5728\u5fae\u89c2\u4e0a\u90fd\u5f62\u6210\u4e86AFM\u7ed3\u6784\uff0c\u5176\u4e2dCo\u539f\u5b50\u7684FM\u94fe\u4ee5\u53cd\u94c1\u78c1\u6027\u7574\u5f62\u5f0f\u5206\u5e03\u5728\u516d\u89d2\u5e73\u9762\u4e2d\u3002\u53e6\u5916\uff0c\u78c1\u6676\u683c\u7684\u5404\u5411\u5f02\u6027\u4f7f\u5f97\u78c1\u77e9\u6392\u5217\u5728\u516d\u89d2\u5e73\u9762\u4e2d\uff0c\u8fd9\u5c31\u964d\u4f4e\u4e86\u539f\u6765\u7684P3c1\u7a7a\u95f4\u7fa4\u7684\u5bf9\u79f0\u6027\uff0c\u7136\u800c\u5176\u6392\u5217\u9075\u5faaI\u02c6T\u02c6\u5bf9\u79f0\u3002\u8868\u660e\u5728\u57fa\u6001\u4e0b\uff0c\u8fd9\u4e9b\u5316\u5408\u7269\u4e0d\u4f1a\u53d1\u751f\u51c0\u78c1\u5316\u548c\u81ea\u53d1\u6781\u5316\uff0c\u4f46\u5728\u5916\u7535\u573a\u6216\u78c1\u573a\u4f5c\u7528\u4e0b\uff0cI\u02c6T\u02c6\u5bf9\u79f0\u4f1a\u88ab\u7834\u574f\uff0c\u4ea7\u751f\u51c0\u78c1\u5316\u548c\u81ea\u53d1\u6781\u3002\u4f46\u4e0eCr2<\/sub>O3<\/sub>\u4e0d\u540c\u7684\u662f\uff0c\u5316\u5408\u7269Co4<\/sub>Nb2<\/sub>O9<\/sub> \u548cCo4<\/sub>Ta2<\/sub>O9<\/sub>\u7684\u78c1\u7535\u6548\u5e94\u4ea7\u751f\u4e8e\u4e24\u4e2a\u975e\u7b49\u4ef7\u78c1\u6027\u4e9a\u6676\u683c\uff0c\u56e0\u6b64\uff0c\u5728\u67d0\u4e9b\u6761\u4ef6\u4e0b\uff0c\u5176\u5e73\u8861\u4f1a\u53d1\u751f\u53d8\u5316\uff0c\u8fdb\u800c\u80fd\u591f\u63a7\u5236\u78c1\u7535\u6548\u5e94\u7684\u65b9\u5411\u548c\u5927\u5c0f\u3002<\/p>\n \u6587\u732e\u94fe\u63a5\uff1a<\/strong>Origin of magnetoelectric effect in Co4Nb2O9\u00a0and Co4Ta2O9\u00a0: The lessons learned from the comparison of first-principles-based theoretical models and experimental data<\/a>\uff08Phys.Rev.B , 2016, DOI:10.1103\/PhysRevB.94.094427\uff09<\/p>\n \u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u8ba1\u7b97\u7ec4\u9648\u5b50\u8fdb\u63a8\u8350\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u3002<\/a><\/p>\n \u6b22\u8fce\u8bd5\u7528\u6750\u6599\u4eba\u4ee3\u7406\u7684\u5929\u6cb32\u53f7\u8d85\u7ea7\u8ba1\u7b97\u673a<\/strong>\uff1b\u53c2\u4e0e\u8ba1\u7b97\u6750\u6599\u8bdd\u9898\u8ba8\u8bba\uff0c\u8bf7\u52a0\u5165\u6750\u6599\u4eba\u8ba1\u7b97\u6750\u6599\u7fa4\uff08562663183\uff09\uff1b\u53c2\u4e0e\u8ba1\u7b97\u6750\u6599\u6587\u732e\u89e3\u8bfb\u548c\u6587\u732e\u6c47\u603b\u53ca\u8ba1\u7b97\u6750\u6599\u77e5\u8bc6\u79d1\u666e\u7b49\uff0c\u8bf7\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u8ba1\u7b97\u6750\u6599\u7ec4\u6216\u8005\u8054\u7cfb\uff1a\u7075\u5bf8\uff08418703364\uff09\u3002<\/p>\n<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n