{"id":99881,"date":"2017-09-07T14:00:05","date_gmt":"2017-09-07T06:00:05","guid":{"rendered":"\/\/m.iemloyee.com\/?p=99881"},"modified":"2017-09-05T15:46:18","modified_gmt":"2017-09-05T07:46:18","slug":"%e4%b8%ad%e5%9b%bd%e7%a7%91%e5%ad%a6%e6%8a%80%e6%9c%af%e5%a4%a7%e5%ad%a6%ef%bc%9a%e9%93%be%e7%8a%b6%e8%87%aa%e6%97%8b%e9%93%81%e7%94%b5%e4%bd%93%e7%b3%bb%e7%bb%93%e6%9e%84%e7%a0%94%e7%a9%b6%e5%8f%96","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=99881","title":{"rendered":"\u4e2d\u56fd\u79d1\u5b66\u6280\u672f\u5927\u5b66\uff1a\u94fe\u72b6\u81ea\u65cb\u94c1\u7535\u4f53\u7cfb\u7ed3\u6784\u7814\u7a76\u53d6\u5f97\u65b0\u8fdb\u5c55"},"content":{"rendered":"<p><strong>\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n<p>\u4e2d\u56fd\u79d1\u5b66\u6280\u672f\u5927\u5b66\u6559\u6388\u5b59\u5b66\u5cf0\u7814\u7a76\u7ec4\u7684\u535a\u58eb\u53f2\u4fca\u501f\u52a9\u7a33\u6001\u5f3a\u78c1\u573a\u5b9e\u9a8c\u88c5\u7f6e\u53d8\u6e29X\u5c04\u7ebf\u884d\u5c04\u4eea\uff08XRD\uff09\u548c\u62c9\u66fc\u5149\u8c31\u4eea\u8bbe\u5907\uff0c\u5bf9\u94fe\u72b6\u81ea\u65cb\u4f53\u7cfbCa<sub>3<\/sub>Co<sub>2-x<\/sub>Mn<sub>x<\/sub>O<sub>6<\/sub>\u7684\u7535\u78c1\u884c\u4e3a\u3001\u94c1\u7535\u6027\u8d28\u3001\u7ed3\u6784\u53d8\u5316\u7b49\u8fdb\u884c\u4e86\u6df1\u5165\u7684\u7814\u7a76\uff0c\u5e76\u53d6\u5f97\u4e86\u65b0\u8fdb\u5c55\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cFerroelectricity of structural origin in the spin-chain compounds Ca<sub>3<\/sub>Co<sub>2\u2212x<\/sub>Mn<sub>x<\/sub>O<sub>6<\/sub>\u201d\u4e3a\u9898\u53d1\u8868\u5728Phys. Rev. B\u4e0a\u3002<\/p>\n<p><strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n<p><strong>\u56fe<\/strong><strong>1 <\/strong><strong>\u94fe\u72b6\u81ea\u65cb\u4f53\u7cfb<\/strong><strong>Ca<sub>3<\/sub>Co<sub>2-x<\/sub>Mn<sub>x<\/sub>O<sub>6<\/sub><\/strong><strong>\u968f\u6e29\u5ea6\u53d8\u5316\u7684<\/strong><strong>XRD<\/strong><strong>\u8c31\u548c<\/strong><strong>Raman<\/strong><strong>\u8c31<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-99883 size-full\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/09\/1-14.jpg\" alt=\"\" width=\"600\" height=\"494\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/09\/1-14.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2017\/09\/1-14-300x247.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u56fe<\/strong><strong>2 Ca<sub>3<\/sub>Co<sub>2-x<\/sub>Mn<sub>x<\/sub>O<sub>6<\/sub><\/strong><strong>\u4e2d\u6676\u683c\u7684\u7ed3\u6784\u7684<\/strong><strong>Jahn-Teller<\/strong><strong>\u7578\u53d8\u548c<\/strong><strong>Raman<\/strong><strong>\u632f\u52a8\u6a21\u5f0f\u7684\u6539\u53d8<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-99884 size-full\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/09\/2-6.jpg\" alt=\"\" width=\"600\" height=\"411\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/09\/2-6.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2017\/09\/2-6-300x206.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u3010\u7814\u7a76\u5185\u5bb9\u3011<\/strong><\/p>\n<p>\u7531\u4e8e\u5728\u7535\u78c1\u3001\u81ea\u65cb\u7535\u5b50\u5b66\u3001\u78c1\u5b58\u50a8\u7b49\u9886\u57df\u5177\u6709\u6f5c\u5728\u5e94\u7528\u4ef7\u503c\uff0c\u591a\u94c1\u6750\u6599\u5f15\u8d77\u4e86\u5e7f\u6cdb\u7684\u5173\u6ce8\u3002Ca<sub>3<\/sub>Co<sub>2-x<\/sub>Mn<sub>x<\/sub>O<sub>6<\/sub>(x \u2248 1)\u662f\u4e00\u4e2a\u5178\u578b\u7684\u78c1\u573a\u9a71\u52a8\u94c1\u7535\u4f53\u7cfb\u3002\u5b83\u7684\u7ed3\u6784\u662f\u7531\u6cbf\u7740c\u65b9\u5411\u7684CoO<sub>6<\/sub>\u4e09\u68f1\u955c\u7ed3\u6784\u548cMnO<sub>6<\/sub>\u516b\u9762\u4f53\u4ea4\u66ff\u5171\u9762\u800c\u5f62\u6210\u7684\u4e00\u7ef4\u81ea\u65cb\u94fe\uff0cCo<sup>2+<\/sup>\u548cMn<sup>2+<\/sup>\u90fd\u5904\u4e8e\u9ad8\u81ea\u65cb\u6001\u3002\u7531\u4e8e\u5f88\u5f3a\u7684\u94fe\u5185\u8026\u5408\u4f5c\u7528\u548c\u7c7b\u4f0a\u8f9b\u5404\u5411\u5f02\u6027\u4f5c\u7528\uff0c\u8fd9\u4e00\u4f53\u7cfb\u53ef\u4ee5\u7528\u4e00\u7ef4\u4f0a\u8f9b\u6a21\u578b\u6765\u63cf\u8ff0\u3002\u5728\u94fe\u5185\uff0c\u7531\u4e8e\u8fd1\u90bb\u7684\u94c1\u78c1\u8026\u5408\u548c\u6b21\u8fd1\u90bb\u7684\u53cd\u94c1\u78c1\u8026\u5408\u7684\u7ade\u4e89\uff0c\u5bfc\u81f4\u81ea\u65cb\u5448\u73b0\u201c\u5411\u4e0a-\u5411\u4e0a-\u5411\u4e0b-\u5411\u4e0b\u201d\u7684\u53cd\u94c1\u78c1\u7ed3\u6784\u3002\u4ea4\u66ff\u7684Co<sup>2+<\/sup>\u548cMn<sup>2+<\/sup>\u79bb\u5b50\u5f62\u6210\u78c1\u6709\u5e8f\u7ed3\u6784\u6253\u7834\u53cd\u6f14\u5bf9\u79f0\u6027\uff0c\u4ece\u800c\u572816.5K\u8bf1\u5bfc\u6cbf\u7740c\u65b9\u5411\u7684\u7535\u6781\u5316\u3002\u5f53\u6cbf\u7740c\u65b9\u5411\u65bd\u52a0\u78c1\u573a\uff0c\u7535\u6781\u5316\u88ab\u7834\u574f\u3002\u4e00\u79cd\u53ef\u80fd\u7684\u89e3\u91ca\u662f\u7531\u4e8e\u201c\u5411\u4e0a-\u5411\u4e0a-\u5411\u4e0b-\u5411\u4e0b\u201d\u7684\u81ea\u65cb\u6709\u5e8f\u7ed3\u6784\u6539\u53d8\u4e3a\u201c\u5411\u4e0a-\u5411\u4e0a-\u5411\u4e0a-\u5411\u4e0b\u201d\u7684\u81ea\u65cb\u6784\u578b\uff0c\u4ece\u800c\u7834\u574f\u4e86\u7535\u6781\u5316\u3002\u800c\u53e6\u4e00\u79cd\u572810T\u4e0b\u6291\u5236\u7535\u6781\u5316\u7684\u673a\u5236\u5219\u8ba4\u4e3a\u662f\u78c1\u573a\u5bfc\u81f4Mn<sup>2+<\/sup>\u79bb\u5b50\u7684\u81ea\u65cb\u53cd\u8f6c\u5230ab\u9762\u5185\u6240\u5bfc\u81f4\u3002\u6b64\u5916\uff0c\u8f7b\u5fae\u7684\u7834\u574fCo\/Mn\u79bb\u5b50\u6709\u5e8f\uff0c\u4f1a\u5927\u5927\u589e\u5f3a\u4f53\u7cfb\u7684\u94c1\u7535\u6027\u3002\u5b9e\u9a8c\u8bc1\u660e\uff0c\u5728\u8fd9\u4e00\u4f53\u7cfb\u4e2d\uff0c\u79bb\u5b50\u6709\u5e8f\u548c\u81ea\u65cb\u963b\u632b\u5bf9\u589e\u5f3a\u94c1\u7535\u6027\u8d28\u5177\u6709\u91cd\u8981\u7684\u4f5c\u7528\u3002\u56e0\u6b64\uff0c\u5bf9\u504f\u79bbx=1\u7684Ca<sub>3<\/sub>Co<sub>2-x<\/sub>Mn<sub>x<\/sub>O<sub>6<\/sub>\u7684\u7535\u78c1\u6027\u8d28\u7814\u7a76\uff0c\u5bf9\u589e\u5f3a\u8be5\u4f53\u7cfb\u7684\u94c1\u7535\u6027\u8d28\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n<p>\u5728\u672c\u5de5\u4f5c\u4e2d\uff0c\u7814\u7a76\u4eba\u5458\u53d1\u73b0\uff0c\u548c\u6bcd\u4f53Ca<sub>3<\/sub>CoMnO<sub>6<\/sub>\u76f8\u6bd4\uff0c\u6cbf\u7740\u81ea\u65cb\u94fe\u7684\u65b9\u5411\uff08\u5373c\u65b9\u5411\uff09\uff0c\u7535\u6781\u5316\u7684\u91cf\u7ea7\u548c\u8f6c\u53d8\u6e29\u5ea6\u90fd\u63d0\u9ad8\u4e86\u6570\u500d\u3002\u6b64\u5916\uff0c\u5f53\u78c1\u573a\u5782\u76f4\u4e8e\u94fe\u65f6\u63a2\u6d4b\u5230\u4e86\u7535\u6781\u5316\u3002\u8fd9\u662f\u5728Ca<sub>3<\/sub>Co<sub>2-x<\/sub>Mn<sub>x<\/sub>O<sub>6<\/sub>\u4f53\u7cfb\u4e2d\u7b2c\u4e00\u6b21\u4ece\u5b9e\u9a8c\u4e0a\u63a2\u6d4b\u5230\u5782\u76f4\u4e8ec\u65b9\u5411\u7684\u7535\u6781\u5316\u3002\u901a\u8fc7\u4f4e\u6e29XRD\uff0c\u5bf9\u5176\u4f4e\u6e29\u7684\u7ed3\u6784\u8fdb\u884c\u4e86\u8be6\u7ec6\u7814\u7a76\uff0c\u53d1\u73b0Co<sup>2+<\/sup>O<sup>6<\/sup>\u4e09\u68f1\u955c\u7ed3\u6784\u53d1\u751f\u4e86Jahn-Teller\u7578\u53d8\u3002\u5bf9\u4e8ex=1\u7684\u6bcd\u4f53\u6837\u54c1\uff0c\u5176\u6676\u80de\u5728\u4e24\u4e2a\u65b9\u5411\u7684\u53d8\u5316\u662f\u76f8\u7b49\u7684\uff0c\u800c\u5bf9\u4e8ex=0.75\u548c0.25\u7684\u6837\u54c1\uff0c\u5728\u5404\u4e2a\u65b9\u5411\u4e0a\u53d1\u751f\u4e86\u4e0d\u5bf9\u79f0\u7684\u53d8\u5316\u3002\u901a\u8fc7\u4f4e\u6e29Raman\u5149\u8c31\uff0c\u7814\u7a76\u4eba\u5458\u5bf9\u58f0\u5b50\u7684\u632f\u52a8\u6a21\u5f0f\u8fdb\u884c\u4e86\u7814\u7a76\uff0c\u53d1\u73b0Jahn-Teller\u7578\u53d8\u7834\u574f\u4e86Co<sup>2+<\/sup>O<sub>6<\/sub>\u4e09\u68f1\u955c\u7ed3\u6784\u7684C3\u5bf9\u79f0\u6027\uff0c\u4ece\u800c\u5bfc\u81f4\u4e86\u6cbf\u7740\u548c\u5782\u76f4c\u8f74\u65b9\u5411\u7684\u7535\u6781\u5316\u3002\u901a\u8fc7\u7ed3\u6784\u548c\u58f0\u5b50\u6a21\u5f0f\u7684\u7814\u7a76\u8868\u660e\uff0cCa<sub>3<\/sub>Co<sub>2-x<\/sub>Mn<sub>x<\/sub>O<sub>6<\/sub>\u4e2d\u94c1\u7535\u6027\u7684\u5f62\u6210\u7684\u539f\u56e0\u53ef\u80fd\u548c\u6676\u683c\u7684Jahn-Teller\u7578\u53d8\u6709\u5173\u3002<\/p>\n<p>\u539f\u6587\u94fe\u63a5\uff1a<a href=\"http:\/\/www.cas.cn\/syky\/201708\/t20170831_4612825.shtml\" target=\"_blank\" rel=\"noopener\">http:\/\/www.cas.cn\/syky\/201708\/t20170831_4612825.shtml<\/a>\u3002<\/p>\n<p>\u6587\u732e\u94fe\u63a5\uff1a<a href=\"\/\/m.iemloyee.com\/99614.html\" target=\"_blank\" rel=\"noopener\">Ferroelectricity of structural origin in the spin-chain compounds Ca 3 Co 2 \u2212 x Mn x O 6<\/a>\uff08Phys. Rev. B\uff0c2017\uff0cDOI\uff1a10.1103\/PhysRevB.96.064112\uff09<\/p>\n<p>\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u738b\u51b0\u7f16\u8f91\uff0c<a href=\"\/\/m.iemloyee.com\/25127.html\" target=\"_blank\" rel=\"noopener noreferrer\">\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n<p>\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a<a href=\"http:\/\/www.ceshigu.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u6d4b\u8bd5\u8c37<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u6210\u679c\u7b80\u4ecb\u3011 \u4e2d\u56fd\u79d1\u5b66\u6280\u672f\u5927\u5b66\u6559\u6388\u5b59\u5b66\u5cf0\u7814\u7a76\u7ec4\u7684\u535a\u58eb\u53f2\u4fca\u501f\u52a9\u7a33\u6001\u5f3a\u78c1\u573a\u5b9e\u9a8c\u88c5\u7f6e\u53d8\u6e29X\u5c04\u7ebf\u884d\u5c04\u4eea\uff08XRD\uff09\u548c\u62c9\u66fc\u5149\u8c31\u4eea\u8bbe\u5907\uff0c\u5bf9\u94fe\u72b6\u81ea\u65cb\u4f53\u7cfbCa3Co2-xMnxO&#8230;<\/p>\n","protected":false},"author":53,"featured_media":99884,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[2242],"class_list":["post-99881","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-keji","tag-2242"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/99881"}],"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\/53"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=99881"}],"version-history":[{"count":3,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/99881\/revisions"}],"predecessor-version":[{"id":100248,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/99881\/revisions\/100248"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/99884"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=99881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=99881"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=99881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}