{"id":147357,"date":"2018-07-30T06:30:12","date_gmt":"2018-07-29T22:30:12","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=147357"},"modified":"2018-07-29T20:20:49","modified_gmt":"2018-07-29T12:20:49","slug":"%e7%bb%8f%e5%85%b8%e7%bb%bc%e8%bf%b0%e9%89%b4%e8%b5%8f%ef%bc%9a%e5%a4%9a%e9%93%81%e6%80%a7%e6%9d%90%e6%96%99%e7%9a%84%e5%8f%91%e5%b1%95%e6%bc%94%e5%8f%98","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=147357","title":{"rendered":"\u7ecf\u5178\u7efc\u8ff0\u9274\u8d4f\uff1a\u591a\u94c1\u6027\u6750\u6599\u7684\u53d1\u5c55\u6f14\u53d8"},"content":{"rendered":"

\u5171\u5b58\u94c1\u78c1\u4e0e\u94c1\u7535\u5e8f\u7684\u591a\u94c1\u6027\u6750\u6599\u4e3a\u7535\u63a7\u78c1\u63d0\u4f9b\u4e86\u4e00\u4e2a\u6709\u6548\u624b\u6bb5\u3002\u867d\u7136\u591a\u94c1\u6027\u7684\u7814\u7a76\u53ef\u4ee5\u8ffd\u6eaf\u81f3\u4e0a\u4e2a\u4e16\u7eaa50\u5e74\u4ee3\uff0c\u4f46\u5728\u8fd1\u51e0\u5e74\u4e2d\uff0c\u7406\u8bba\u63a2\u7d22\u3001\u6750\u6599\u5408\u6210\u4e0e\u8868\u5f81\u6280\u672f\u65b9\u9762\u7684\u5173\u952e\u6027\u53d1\u73b0\u53c8\u5f15\u8d77\u53d1\u4e86\u7814\u7a76\u8fd9\u7c7b\u6750\u6599\u65b0\u4e00\u6ce2\u7684\u5174\u8da3\u3002\u6750\u6599\u7684\u591a\u94c1\u6027\u8d77\u6e90\u4e8e\u4e0d\u540c\u7684\u673a\u5236\uff0c\u5982\u5b64\u7535\u5b50\u5bf9\u3001\u51e0\u4f55\u3001\u7535\u8377\u6709\u5e8f\u4ee5\u53ca\u81ea\u65cb\u76f8\u5173\u6548\u5e94\u7b49\u3002\u5982\u4eca\u591a\u94c1\u6027\u7684\u7814\u7a76\u5df2\u7ecf\u8f6c\u79fb\u5230\u4e86\u76f8\u5173\u90bb\u8fd1\u7684\u9886\u57df\u3002\u4e3b\u8981\u5173\u6ce8\u591a\u94c1\u6027\u8584\u819c\u5f02\u8d28\u7ed3\uff0c\u5668\u4ef6\u6784\u9020\uff0c\u7574\u7ed3\u6784\u4ee5\u53ca\u754c\u9762\u6548\u5e94\u3002\u591a\u94c1\u6027\u6750\u6599\u7684\u4e00\u4e2a\u5173\u952e\u7279\u70b9\u662f\u7834\u574f\u7a7a\u95f4\u53cd\u6f14\u5bf9\u79f0\u6027\uff0c\u8fd9\u76f4\u63a5\u51b3\u5b9a\u4e86\u591a\u94c1\u6027\u6750\u6599\u7684\u6027\u80fd\u3002\u6b64\u5916\uff0c\u6709\u4e9b\u65b9\u9762\u7684\u7814\u7a76\u8fd8\u672a\u53d7\u5230\u76f8\u5e94\u7684\u91cd\u89c6\uff0c\u5982\u591a\u94c1\u6027\u7684\u975e\u5e73\u8861\u52a8\u529b\u5b66\u7814\u7a76\uff0c\u8fd9\u4e9b\u7814\u7a76\u5c06\u5b9a\u4e49\u8fd9\u4e2a\u9886\u57df\u7684\u672a\u6765\u3002<\/p>\n

\u82cf\u9ece\u4e16\u8054\u90a6\u7406\u5de5\u5b66\u9662\u7684Manfred Fiebig\uff08\u901a\u8baf\u4f5c\u8005\uff09\uff0cThomas Lottermoser\uff0cDennis Meier\u548cMorgan\u00a0Trassin\u5728Nature\u00a0reviews\u00a0materials\u53d1\u8868\u4e86\u9898\u4e3a\u201cThe evolution of multiferroics\u201d\u7684\u7efc\u8ff0\u6587\u7ae0\u3002\u8be5\u7efc\u8ff0\u9996\u5148\u7b80\u5355\u4ecb\u7ecd\u4e86\u591a\u94c1\u6027\u6750\u6599\u7684\u53d1\u5c55\u5386\u7a0b\u3002\u5f52\u7eb3\u4e86\u5141\u8bb8\u94c1\u78c1\u4e0e\u94c1\u7535\u5e8f\u5171\u5b58\u7684\u53ef\u80fd\u673a\u5236\uff0c\u5e76\u4e14\u8bc4\u4ef7\u4e86\u5176\u78c1\u7535\u8026\u5408\u6548\u5e94\u7684\u5f3a\u5f31\u3002\u7136\u540e\u8ba8\u8bba\u4e86\u591a\u94c1\u6027\u5f02\u8d28\u7ed3\u548c\u754c\u9762\u5f15\u8d77\u7684\u5404\u79cd\u529f\u80fd\u7279\u6027\uff0c\u591a\u94c1\u6027\u6750\u6599\u7684\u7574\u4e0e\u7574\u58c1\u7ed3\u6784\u3002\u63d0\u51fa\u5e94\u66f4\u591a\u5173\u6ce8\u591a\u94c1\u6027\u6750\u6599\u7684\u975e\u5e73\u8861\u52a8\u529b\u5b66\u3001\u5bf9\u79f0\u6027\u7b49\u65b9\u9762\u7684\u7814\u7a76\u3002\u6700\u540e\u603b\u7ed3\u4e86\u591a\u94c1\u6027\u9886\u57df\u76ee\u524d\u5b58\u5728\u7684\u4e3b\u8981\u95ee\u9898\u4e0e\u672a\u6765\u7684\u53d1\u5c55\u65b9\u5411\u3002<\/p>\n

\u56fe\u00a01 \u78c1\u7535\u5171\u5b58\u673a\u5236\u3002\u5176\u4e2d\uff0ca\u3001b\u3001c\u5c5e\u4e8e\u7b2cI\u7c7b\u591a\u94c1\u6027\u673a\u5236\uff0cd\u5c5e\u4e8e\u7b2cII\u7c7b\u591a\u94c1\u6027\u673a\u5236<\/strong><\/p>\n

 <\/p>\n

\"\"<\/p>\n

 <\/p>\n

a) \u5b64\u7535\u5b50\u5bf9\u673a\u5236\u3002BiFeO3<\/sub>\u7684\u94c1\u7535\u81ea\u53d1\u6781\u5316\u8d77\u6e90\u4e8eBi3+<\/sup>\u79bb\u5b50\u4e2d\u4e24\u4e2a\u5b64\u5bf9\u7535\u5b50\u6cbfFeO6<\/sub>\u516b\u9762\u4f53[111]\u65b9\u5411\u7684\u504f\u79bb\u3002<\/p>\n

b) \u51e0\u4f55\u673a\u5236\u3002RMnO3<\/sub>\uff08R\u4e3a\u7a00\u571f\u5143\u7d20\uff09\u7684\u94c1\u7535\u81ea\u53d1\u6781\u5316\u8d77\u6e90\u4e8eMnO5<\/sub>\u53cc\u9525\u4f53\u6cbf[001]\u8f74\u7684\u503e\u659c\u548c\u53d8\u884c\u3002<\/p>\n

c) \u7535\u8377\u6709\u5e8f\u673a\u5236\u3002LuFe2<\/sub>O4<\/sub>\u7684\u94c1\u7535\u81ea\u53d1\u6781\u5316\u8d77\u6e90\u4e8eFe2+<\/sup>\/Fe3+<\/sup>\u6bd4\u4f8b\u4e3a2:1\u548c1:2\u4ea4\u66ff\u5c42\u7684\u7535\u8377\u6709\u5e8f\u3002<\/p>\n

d) \u81ea\u65cb\u8bf1\u53d1\u673a\u5236\u3002RMnO3<\/sub>\uff08R\u4e3a\u7a00\u571f\u5143\u7d20\uff09\u7684\u94c1\u7535\u6027\u6e90\u4e8e\u9006DM\u76f8\u4e92\u4f5c\u7528\uff1bCa3<\/sub>CoMnO6<\/sub>\u7684\u94c1\u7535\u6027\u6e90\u4e8e\u4ea4\u6362\u6536\u7f29\uff1bCuFeO2<\/sub>\u7684\u94c1\u7535\u6027\u6e90\u4e8ep-d\u6742\u5316\u3002<\/p>\n

\u56fe\u00a02 \u51e0\u7c7b\u5355\u76f8\u591a\u94c1\u6027\u6750\u6599\u7684\u6781\u5316\u6700\u5927\u503c\u3002<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe\u00a03 \u591a\u94c1\u6027\u8584\u819c\u5f02\u8d28\u7ed3\u3002\u5176\u4e2d\uff0ca\u3001b\u5c5e\u4e8e3D\u591a\u94c1\u6027\u6750\u6599\uff0cc\u3001d\u5c5e\u4e8e\u754c\u9762\u591a\u94c1\u6027\u6750\u6599\uff1a<\/strong><\/p>\n

 <\/p>\n

\"\"<\/p>\n

a) \u4ea4\u6362\u8026\u5408\u3002\u78c1\u7535\u8026\u5408\u662f\u901a\u8fc7\u94c1\u7535\u5e8fP\u4e0e\u53cd\u94c1\u78c1\u5e8fm\u76f4\u63a5\u8026\u5408\u540e\u518d\u4e0e\u94c1\u78c1\u5e8fM\u94c1\u78c1\u4ea4\u6362\u8026\u5408\u5b9e\u73b0\u3002<\/p>\n

b) \u5e94\u529b\u8026\u5408\u3002\u78c1\u7535\u8026\u5408\u662f\u901a\u8fc7\u94c1\u7535\u538b\u7535\u6548\u5e94\u4e0e\u94c1\u78c1\u78c1\u81f4\u4f38\u7f29\u6548\u5e94\u7684\u5e94\u529b\u4f20\u9012\u5b9e\u73b0\u3002<\/p>\n

c) \u591a\u94c1\u6027\u754c\u9762\u3002\u754c\u9762\u5904\u7535\u5bb9\u7387\u548c\u78c1\u5bfc\u7387\u7684\u8026\u5408\u3002<\/p>\n

d) \u591a\u94c1\u6027\u7574\u58c1\u3002\u7574\u58c1\u5904\u94c1\u7535\u7574\u548c\u94c1\u78c1\u7574\u7684\u8026\u5408\u3002<\/p>\n

\u56fe\u00a04 \u4e24\u7c7b\u591a\u94c1\u6750\u6599\u7684\u7574\u7ed3\u6784\u4e0e\u7574\u58c1\u7ed3\u6784\u3002\u5176\u4e2d\uff0ca\u4e3a\u7b2cI\u7c7b\uff0cb\u4e3a\u7b2cII\u7c7b\uff1a<\/strong><\/p>\n

 <\/p>\n

\"\"<\/p>\n

a) \u5728\u7b2cI\u7c7b\u591a\u94c1\u6027\u6750\u6599\u4e2d\uff0c\u94c1\u7535\u5e8f\u4e0e\u94c1\u78c1\u5e8f\u662f\u72ec\u7acb\u7684\uff0c\u56e0\u6b64\uff0c\u5728\u6676\u4f53\u5185\u5b58\u5728\u94c1\u7535\u7574\u58c1\u3001\u94c1\u78c1\u7574\u58c1\u4ee5\u53ca\u591a\u94c1\u7574\u58c1\u3002<\/p>\n

b) \u5728\u7b2cII\u7c7b\u591a\u94c1\u6027\u6750\u6599\u4e2d\uff0c\u94c1\u7535\u5e8f\u7684\u51fa\u73b0\u662f\u7531\u94c1\u78c1\u5e8f\u8bf1\u53d1\u7684\uff0c\u56e0\u6b64\uff0c\u5728\u6676\u4f53\u5185\u94c1\u7535\u7574\u58c1\u5c31\u662f\u94c1\u78c1\u7574\u58c1\uff0c\u5373\u591a\u94c1\u7574\u58c1\u3002<\/p>\n

\u56fe\u00a05 \u6676\u4f53\u4e2d\u7684\u78c1\u6da1\u65cb\u77e9\u4e0e\u78c1\u5355\u6781\u5b50\u3002<\/strong><\/p>\n

 <\/p>\n

\"\"<\/p>\n

a) \u4e24\u4e2a\u65b9\u5411\u76f8\u53cd\u7684\u6da1\u65cb\u77e9\u81ea\u65cb\u6392\u5217\u793a\u610f\u56fe\u3002<\/p>\n

b) \u7531\u6da1\u65cb\u77e9\u6392\u5217\u6784\u6210\u7684\u94c1\u6da1\u7574\u7ed3\u6784\u3002<\/p>\n

c) \u4e24\u4e2a\u65b9\u5411\u76f8\u53cd\u7684\u78c1\u5355\u6781\u5b50\u81ea\u65cb\u6392\u5217\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe\u00a06 \u7535\u78c1\u632f\u5b50\u3002<\/strong><\/p>\n

 <\/p>\n

\"\"<\/p>\n

 <\/p>\n

a) \u81ea\u65cb\u6fc0\u53d1\u4e0d\u4f1a\u8bf1\u53d1\u6781\u5316\u7684\u53d8\u5316\u3002<\/p>\n

b) \u6781\u5316\u5927\u5c0f\u5728\u7a7a\u95f4\u4e0a\u53d1\u751f\u53d8\u5316\u3002<\/p>\n

c) \u6781\u5316\u65b9\u5411\u7ed5\u7740y\u8f74\u65cb\u8f6c\uff0c\u4f46\u5927\u5c0f\u4fdd\u6301\u4e0d\u53d8\u3002<\/p>\n

d) \u81ea\u65cb\u6210\u6446\u7ebf\u87ba\u65cb\u7ed3\u6784\u6392\u5217\uff0c\u6781\u5316\u5927\u5c0f\u5728\u7a7a\u95f4\u4e0a\u53d8\u5316\u3002<\/p>\n

\u7efc\u8ff0\u5730\u5740\uff1aETH Zurich,Manfred Fiebig,Thomas\u00a0Lottermoser,Dennis Meier,Morgan Trassin,Nature Reviews Materials, 2016, 1(8): 16046.\u00a0DOI:10.1038\/natrevmats.2016.46<\/p>\n

\u8be5\u7efc\u8ff0\u63d0\u5230\u7684\u4e00\u4e9b\u91cd\u8981\u7684\u53c2\u8003\u6587\u732e\uff1a<\/strong><\/p>\n

1.Hill, N. A. Why are there so few magnetic ferroelectrics? J. Phys. Chem. B 104, 6694\u20136709 (2000). \u8fd9\u7bc7\u6587\u732e\u4ece\u7406\u8bba\u4e0a\u6307\u51fa\u4e86\u9499\u949b\u77ff\u6750\u6599\u4e2d\u94c1\u7535\u5e8f\u4e0e\u94c1\u78c1\u5e8f\u7684\u4e0d\u517c\u5bb9\u6027\u3002<\/p>\n

2.Schmid, H. Multi-ferroic magnetoelectrics. Ferroelectrics 162, 317\u2013338 (1994).\u8fd9\u7bc7\u6587\u732e\u786e\u5b9a\u4e86\u8bb8\u591a\u591a\u94c1\u6027\u6750\u6599\u7814\u7a76\u7684\u672f\u8bed\u4e0e\u57fa\u672c\u6982\u5ff5\u3002<\/p>\n

3.Fiebig, M., Lottermoser, T., Fr\u00f6hlich, D., Goltsev, A. V. & Pisarev, R. V. Observation of coupled magnetic and electric domains. Nature 419, 818\u2013820 (2002). \u9996\u7bc7\u5173\u4e8e\u7b2cI\u7c7b\u591a\u94c1\u6027\u6750\u6599\u4e2d\u591a\u94c1\u6027\u7574\u58c1\u548c\u78c1\u7535\u7574\u8026\u5408\u6548\u5e94\u7684\u6587\u732e\u3002<\/p>\n

4.Kimura, T. et al. Magnetic control of ferroelectric polarization. Nature 426, 55\u201358 (2003). \u8fd9\u7bc7\u6587\u732e\u5728\u7b2cII\u7c7b\u591a\u94c1\u6027\u6750\u6599\u4e2d\u89c2\u5bdf\u5230\u4e86\u5de8\u5927\u7684\u78c1\u7535\u8026\u5408\u6548\u5e94\u3002<\/p>\n

5.Wang, J. et al. Epitaxial BiFeO3<\/sub>multiferroic thin film heterostructures. Science 299, 1719\u20131722 (2003). \u94c1\u9178\u94cb\u591a\u94c1\u6027\u8584\u819c\u7684\u9996\u7bc7\u5de5\u4f5c\u3002<\/p>\n

6.Katsura, H., Nagaosa, N. & Balatsky, A. V. Spin current and magnetoelectric effect in noncollinear magnets. Phys. Rev. Lett. 95, 057205 (2005). \u9996\u7bc7\u5728\u7406\u8bba\u4e0a\u89e3\u91ca\u94c1\u78c1\u8bf1\u53d1\u94c1\u7535\u7684\u6587\u732e\u3002<\/p>\n

7.Heron, J. T. et al. Deterministic switching of ferromagnetism at room temperature using an electric field. Nature 516, 370\u2013373 (2014). \u5ba4\u6e29\u7535\u63a7\u78c1\u591a\u94c1\u6027\u5668\u4ef6\u3002<\/p>\n

8.Valencia, S. et al. Interface-induced room-temperature multiferroicity in BaTiO3<\/sub>. Nat. Mater. 10, 753\u2013758 (2011). \u9996\u7bc7\u6307\u51fa\u4e24\u76f8\u754c\u9762\u548c\u7574\u58c1\u51fa\u73b0\u591a\u94c1\u6027\u7684\u6587\u732e\u3002<\/p>\n

9.Hoffmann, T., Thielen, P., Becker, P., Bohat\u00fd, L. & Fiebig, M. Time-resolved imaging of magnetoelectric switching in multiferroic MnWO4<\/sub>. Phys. Rev. B 84, 184404 (2011). \u9996\u7bc7\u5173\u4e8e\u591a\u94c1\u6027\u6750\u6599\u4e2d\u78c1\u7535\u8f6c\u53d8\u7684\u52a8\u529b\u5b66\u7814\u7a76\u3002<\/p>\n

10.Pimenov, a. et al. Possible evidence for electromagnons in multiferroic manganites. Nat. Phys. 2, 97\u2013100 (2006). \u8fd9\u7bc7\u6587\u732e\u786e\u5b9a\u4e86\u591a\u94c1\u6027\u6750\u6599\u57fa\u6001\u7684\u78c1\u7535\u6fc0\u53d1\u3002<\/p>\n

\u672c\u6587\u7531\u767d\u5b87\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n

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