{"id":102814,"date":"2017-09-25T14:00:32","date_gmt":"2017-09-25T06:00:32","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=102814"},"modified":"2017-09-24T18:13:34","modified_gmt":"2017-09-24T10:13:34","slug":"%e4%b8%ad%e7%a7%91%e9%99%a2%e5%90%88%e8%82%a5%e7%a0%94%e7%a9%b6%e9%99%a2%e5%b0%b9%e5%88%a9%e5%8d%8e%e7%ad%89%ef%bc%9a%e9%92%99%e9%92%9b%e7%9f%bf%e7%bb%93%e6%9e%84rcro3%e4%bd%93%e7%b3%bb%e7%a3%81","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=102814","title":{"rendered":"\u4e2d\u79d1\u9662\u5408\u80a5\u7814\u7a76\u9662\u5c39\u5229\u534e\u7b49\uff1a\u9499\u949b\u77ff\u7ed3\u6784RCrO3\u4f53\u7cfb\u78c1\u6027\u53ca\u78c1\u7535\u6548\u5e94\u7814\u7a76\u53d6\u5f97\u8fdb\u5c55"},"content":{"rendered":"

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

\u8fd1\u65e5\uff0c\u4e2d\u56fd\u79d1\u5b66\u9662\u5408\u80a5\u7269\u8d28\u79d1\u5b66\u7814\u7a76\u9662\u56fa\u4f53\u7269\u7406\u7814\u7a76\u6240\u529f\u80fd\u6750\u6599\u7814\u7a76\u5ba4\u5c39\u5229\u534e\u7b49\u7814\u7a76\u4eba\u5458\u5728\u9499\u949b\u77ff\u7ed3\u6784Cr\u57fa\u6c27\u5316\u7269\u7684\u78c1\u6027\u53ca\u78c1\u7535\u6548\u5e94\u7b49\u65b9\u9762\u7684\u7814\u7a76\u83b7\u5f97\u65b0\u8fdb\u5c55\uff0c\u76f8\u5173\u7ed3\u679c\u4ee5\u9898\u4e3a\u201cTemperature and field induced spin reorientation and dielectric properties in YCr0.88<\/sub>Fe0.12<\/sub>O3<\/sub>\u00a0single crystal\u201d\u53d1\u8868\u5728Applied Physics Letters\u671f\u520a\u4e0a\u3002\u00a0<\/p>\n

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

\u56fe<\/b><\/strong>1 YCr<\/b><\/strong>0.88<\/b><\/sub><\/strong>Fe<\/b><\/strong>0.12<\/b><\/sub><\/strong>O<\/b><\/strong>3<\/b><\/sub><\/strong>\u5355\u6676\u7684\u201c\u6e29\u5ea6-\u78c1\u573a\u201d\u76f8\u56fe\u00a0<\/b><\/strong><\/p>\n

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\u00a0\"\"<\/b><\/strong><\/p>\n

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\u78c1\u6027\u662f\u7269\u8d28\u7684\u57fa\u672c\u5c5e\u6027\uff0c\u78c1\u6027\u7269\u8d28\u5728\u4fe1\u606f\u5b58\u50a8\u3001\u78c1\u5236\u51b7\u7b49\u73b0\u4ee3\u79d1\u5b66\u6280\u672f\u548c\u751f\u4ea7\u751f\u6d3b\u4e2d\u5e7f\u6cdb\u5e94\u7528\u3002\u5177\u6709\u7b80\u5355\u9499\u949b\u77ff\u7ed3\u6784\u7684RCrO3<\/sub>\uff08R=\u7a00\u571f\u5143\u7d20\uff09\u53ca\u5176Fe\u63ba\u6742\u4f53\u7cfb\u5177\u6709\u5f88\u5f3a\u7684\u78c1\u7535\u6548\u5e94\uff0c\u8fd8\u8868\u73b0\u51fa\u8f83\u5927\u7684\u78c1\u70ed\u6548\u5e94\u53ca\u6e29\u5ea6\u8bf1\u5bfc\u7684\u78c1\u77e9\u7ffb\u8f6c\u7b49\u73b0\u8c61\uff0c\u8fd1\u5e74\u6765\u5df2\u53d7\u5230\u8d8a\u6765\u8d8a\u591a\u7684\u5173\u6ce8\u3002\u4f46\u662f\uff0c\u5176\u5fae\u89c2\u673a\u7406\u5c1a\u4e0d\u660e\u786e\uff0c\u751a\u81f3\u8be5\u4f53\u7cfb\u4e2d\u89c2\u5bdf\u5230\u7684\u78c1\u7535\u6548\u5e94\u662f\u5426\u4e3a\u672c\u5f81\u5c5e\u6027\u4ecd\u5b58\u5728\u4e89\u8bae\u3002\u56e0\u6b64\uff0c\u5bf9\u8be5\u4f53\u7cfb\u7684\u78c1\u6027\u53ca\u78c1\u7535\u6548\u5e94\u8fdb\u884c\u7cfb\u7edf\u7814\u7a76\u5177\u6709\u91cd\u8981\u7684\u79d1\u5b66\u610f\u4e49\uff0c\u6709\u52a9\u4e8e\u7406\u89e3\u5176\u5fae\u89c2\u673a\u7406\uff0c\u63a2\u5bfb\u65b0\u578b\u78c1\u6027\u529f\u80fd\u6750\u6599\u53ca\u78c1\u7535\u6750\u6599\u3002\u5408\u80a5\u7814\u7a76\u9662\u56fa\u4f53\u6240\u7814\u7a76\u4eba\u5458\u5bf9\u4e00\u7cfb\u5217Fe\u63ba\u6742\u7684RFe0.5<\/sub>Cr0.5<\/sub>O3<\/sub>\u00a0(R=Y, Sm, Nd, Dy, Gd\u7b49)\u591a\u6676\u3001RCrO3<\/sub>\u00a0(R=Gd, Tb, Dy, Er, Nd\u7b49)\u53ca\u5176\u63ba\u6742\u4f53\u7cfb\u5355\u6676\u7684\u78c1\u7535\u6548\u5e94\u8fdb\u884c\u4e86\u7cfb\u7edf\u7814\u7a76\u3002\u00a0<\/p>\n

\u7814\u7a76\u53d1\u73b0\uff0cFe\u63ba\u6742\u7684RFe0.5<\/sub>Cr0.5<\/sub>O3<\/sub>(R=Y, Sm, Nd, Dy, Gd\u7b49)\u4f53\u7cfb\uff0c\u9664\u4e86\u5177\u6709\u5de8\u78c1\u70ed\u6548\u5e94\u3001\u6e29\u5ea6\u8bf1\u5bfc\u7684\u78c1\u77e9\u7ffb\u8f6c\u3001\u53ea\u6539\u53d8\u5916\u52a0\u78c1\u573a\u5927\u5c0f\u800c\u65e0\u9700\u6539\u53d8\u78c1\u573a\u65b9\u5411\u7684\u78c1\u77e9\u7ffb\u8f6c\u7b49\u73b0\u8c61\u5916\uff0c\u5728\u5ba4\u6e29\u4ee5\u4e0b\u8fd8\u8868\u73b0\u51fa\u4e24\u4e2a\u76f8\u7ee7\u53d1\u751f\u7684\u4ecb\u7535\u5f1b\u8c6b\u884c\u4e3a\u3002\u5206\u6790\u8868\u660e\uff0c\u8be5\u4f53\u7cfb\u4e2d\u6e29\u5ea6\u8bf1\u5bfc\u7684\u78c1\u77e9\u7ffb\u8f6c\u73b0\u8c61\u4e0d\u4ec5\u4e0eR-Cr\/Fe\u78c1\u76f8\u4e92\u4f5c\u7528\u6709\u5173\uff0c\u8fd8\u4e0eFe-Cr\u78c1\u76f8\u4e92\u4f5c\u7528\u5bc6\u5207\u76f8\u5173\u3002\u800c\u5728\u4f4e\u6e29\u4e0b\u53d1\u751f\u7684\u4e24\u4e2a\u4ecb\u7535\u5f1b\u8c6b\u5219\u5206\u522b\u4e0e\u7535\u5b50\u5728\u5bccCr\u56e2\u7c07\u53ca\u5bccFe\u56e2\u7c07\u5185\u7684\u8df3\u8dc3\u6709\u5173\uff0c\u5176\u4e2d\u5bccCr\/Fe\u56e2\u7c07\u662f\u7531\u4f53\u7cfb\u4e2dFe\/Cr\u65e0\u5e8f\u5f15\u8d77\u7684\u3002\u76f8\u5173\u7814\u7a76\u76f8\u7ee7\u53d1\u8868\u5728Materials Research Bulletin\u3001Applied Physics Letters\u7b49\u671f\u520a\u4e0a\u3002\u00a0<\/p>\n

\u4e3a\u4e86\u8fdb\u4e00\u6b65\u6df1\u5165\u7814\u7a76RCrO3<\/sub>\u4f53\u7cfb\u7684\u78c1\u7535\u6548\u5e94\u53ca\u6e29\u5ea6\u8bf1\u5bfc\u7684\u78c1\u77e9\u7ffb\u8f6c\u7b49\u73b0\u8c61\u7684\u5fae\u89c2\u673a\u7406\uff0c\u7814\u7a76\u4eba\u5458\u751f\u957f\u4e86RCrO3<\/sub>\u00a0(R=Gd, Tb, Dy, Er, Nd\u7b49)\u53ca\u5176\u63ba\u6742\u4f53\u7cfb\u7684\u5355\u6676\u6837\u54c1\u3002\u901a\u8fc7\u5bf9\u5176\u78c1\u6027\u548c\u78c1\u7535\u6548\u5e94\u7b49\u8fdb\u884c\u6df1\u5165\u7814\u7a76\u53d1\u73b0\uff0c\u8be5\u4f53\u7cfb\u7684\u78c1\u5b66\u6027\u80fd\u56e0\u7a00\u571f\u5143\u7d20R\u7684\u53d8\u5316\u5b58\u5728\u5f88\u5927\u5dee\u5f02\uff0c\u4f46\u5728\u4f4e\u6e29\u4e0b\u90fd\u5177\u6709\u8f83\u5f3a\u7684\u672c\u5f81\u78c1\u7535\u8026\u5408\u6548\u5e94\u3002(1)GdCrO3<\/sub>\u5355\u6676\uff1a\u5728\u8be5\u5355\u6676\u4e2d\u89c2\u6d4b\u5230\u4e86\u4e24\u4e2a\u8fde\u7eed\u7684\u6e29\u5ea6\u8bf1\u5bfc\u7684\u78c1\u77e9\u7ffb\u8f6c\u73b0\u8c61\uff0c\u8fd8\u53d1\u73b0\u4e86\u6e29\u5ea6\u8bf1\u5bfc\u7684\u78c1\u77e9\u4e0d\u8fde\u7eed\u8df3\u8dc3\u7684\u65b0\u73b0\u8c61\u3002\u8fd9\u4e9b\u78c1\u73b0\u8c61\u4e0eGdCrO3<\/sub>\u5355\u6676\u6750\u6599\u4e2dGd-Cr\u81ea\u65cb\u76f8\u4e92\u4f5c\u7528\u6709\u5bc6\u5207\u5173\u8054\u3002\u6b64\u5916\uff0c\u5728\u4f4e\u6e29\u4e0b\u8be5\u5355\u6676\u8868\u73b0\u51fa\u6781\u5927\u7684\u78c1\u70ed\u6548\u5e94\uff0c\u5176\u6570\u503c\u9ad8\u8fbe~242\u00a0mJ cm-3<\/sup>\u00a0K-1<\/sup>\uff0c\u8fdc\u5927\u4e8e\u5176\u5b83\u7a00\u571f\u5408\u91d1(\u5982\uff0cHoCoAl\u7b49)\u4ee5\u53caGd\u57fa\u77f3\u69b4\u77f3Gd3<\/sub>Ga5<\/sub>–x<\/sub>Fex<\/sub>O12<\/sub>\u00a0\u7b49\u540c\u6e29\u533a\u7684\u78c1\u70ed\u6750\u6599\u3002\u76f8\u5173\u7ed3\u679c\u53d1\u8868\u5728Journal of\u00a0Applied Physics\u4e0a\u3002(2)TbCrO3<\/sub>\u3001ErCrO3<\/sub>\u53caDyCrO3<\/sub>\u5355\u6676\uff1aTbCrO3<\/sub>\u548cErCrO3<\/sub>\u5355\u6676\u5728\u4f4e\u6e29\u4e0b\u90fd\u8868\u73b0\u51fa\u78c1\u573a\u8bf1\u5bfc\u7684\u78c1\u77e9\u8df3\u8dc3\u73b0\u8c61\uff1bErCrO3<\/sub>\u5355\u6676\u5728\u4f4e\u6e29\u4e0b\u8fd8\u5177\u6709\u975e\u5e38\u5927\u7684\u65cb\u8f6c\u78c1\u70ed\u6548\u5e94\uff1bDyCrO3<\/sub>\u53caErCrO3<\/sub>\u5355\u6676\u5728\u4f4e\u6e29\u4e0b\u8868\u73b0\u51faCr\u79bb\u5b50\u53ca\u7a00\u571f\u79bb\u5b50\u7684\u81ea\u65cb\u91cd\u53d6\u5411\u884c\u4e3a\u3002\u8fd9\u4e9b\u73b0\u8c61\u90fd\u5c5e\u9996\u6b21\u62a5\u9053\u3002\u76f8\u5173\u7ed3\u679c\u53d1\u8868\u5728Journal of Materials Chemistry C\u4e0a\u3002<\/p>\n

\u901a\u8fc7\u5bf9RCrO3<\/sub>\u4f53\u7cfbCr\u4f4d\u8fdb\u884c\u78c1\u6027\u5143\u7d20\u66ff\u4ee3\uff0c\u53ef\u4ee5\u5f15\u5165\u65b0\u7684\u78c1\u76f8\u4e92\u4f5c\u7528\uff0c\u8fdb\u800c\u6539\u53d8\u5176\u78c1\u6027\u57fa\u6001\u5e76\u83b7\u5f97\u4e00\u4e9b\u65b0\u7684\u78c1\u3001\u7535\u7b49\u6027\u8d28\u3002\u57fa\u4e8e\u8be5\u601d\u8def\uff0c\u79d1\u7814\u4eba\u5458\u751f\u957f\u51fa\u4e86Fe\u63ba\u6742YCr1-x<\/sub>Fex<\/sub>O3(x=0.12)\u5355\u6676\u6837\u54c1\uff0c\u7814\u7a76\u53d1\u73b0\u8be5\u6837\u54c1\u7531\u4e8eFe\/Cr\u4e4b\u95f4\u7684\u65e0\u5e8f\u5360\u4f4d\u4ee5\u53ca\u8f83\u5f3a\u7684Fe-Cr\u78c1\u76f8\u4e92\u4f5c\u7528\uff0c\u4f7f\u5f97\u5176\u8868\u73b0\u51fa\u4e0d\u540c\u4e8eYCrO3<\/sub>\u548cYFeO3<\/sub>\u6bcd\u4f53\u6837\u54c1\u7684\u78c1\u573a\u53ca\u6e29\u5ea6\u8bf1\u5bfc\u7684\u81ea\u65cb\u91cd\u53d6\u5411\u7b49\u78c1\u884c\u4e3a\u3002\u76f8\u5173\u5de5\u4f5c\u53d1\u8868\u5728Applied Physics Letters\u4e0a\u3002<\/p>\n

\u8be5\u5de5\u4f5c\u5f97\u5230\u56fd\u5bb6\u81ea\u7136\u79d1\u5b66\u57fa\u91d1\uff0c\u4e2d\u79d1\u9662\u524d\u6cbf\u79d1\u5b66\u91cd\u70b9\u7814\u7a76\u9879\u76ee\u7684\u8d44\u52a9\u3002<\/p>\n

\u539f\u6587\u94fe\u63a5\uff1ahttp:\/\/www.cas.cn\/syky\/201709\/t20170918_4614777.shtml<\/a><\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aTemperature and field induced spin reorientation and dielectric properties in YCr0.88<\/sub>Fe0.12<\/sub>O3<\/sub>\u00a0single crystal\u00a0<\/a>(Appl. Phys. Lett., 2017, DOI: http:\/\/dx.doi.org\/10.1063\/1.4999313)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u77f3\u5c0f\u6885\u7f16\u8f91\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n

\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a\u6d4b\u8bd5\u8c37<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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