{"id":138693,"date":"2018-05-17T06:30:07","date_gmt":"2018-05-16T22:30:07","guid":{"rendered":"\/\/m.iemloyee.com\/?p=138693"},"modified":"2018-05-15T18:23:33","modified_gmt":"2018-05-15T10:23:33","slug":"nature-materials%ef%bc%9a%e4%ba%8c%e7%bb%b4%e8%8c%83%e5%be%b7%e5%8d%8e%e7%a3%81%e4%bd%93%e7%9a%84%e7%94%b5%e5%9c%ba%e7%bf%bb%e8%bd%ac","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=138693","title":{"rendered":"Nature Materials\uff1a\u4e8c\u7ef4\u8303\u5fb7\u534e\u78c1\u4f53\u7684\u7535\u573a\u7ffb\u8f6c"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

\u7528\u7eaf\u7535\u5b66\u624b\u6bb5\u63a7\u5236\u78c1\u6027\u662f\u4e0b\u4e00\u4ee3\u4fe1\u606f\u6280\u672f\u7684\u5173\u952e\u6311\u6218\u4e4b\u4e00\u3002\u4e4b\u524d\u4eba\u4eec\u5df2\u7ecf\u5728\u4e00\u4e9b\u6750\u6599\u7cfb\u7edf\u63a2\u7d22\u4e86\u7528\u7535\u573a\u63a7\u5236\u78c1\u6027\u7684\u53ef\u80fd\u6027\uff0c\u5305\u62ec\u94c1\u78c1\uff08FM\uff09\u91d1\u5c5e\u3001\u7a00\u78c1\u534a\u5bfc\u4f53\u3001\u591a\u94c1\u6027\u548c\u78c1\u7535\uff08ME\uff09\u6750\u6599. \u800c\u6700\u8fd1\u53d1\u73b0\u7684\u4e8c\u7ef4\uff082D\uff09\u8303\u5fb7\u534e\u78c1\u4f53\u4e3a\u901a\u8fc7\u8303\u5fb7\u74e6\u5c14\u65af\u5f02\u8d28\u7ed3\u6784\u5668\u4ef6\u5e73\u53f0\u5728\u7eb3\u7c73\u5c3a\u5ea6\u4e0a\u5bf9\u78c1\u6027\u8fdb\u884c\u7535\u63a7\u5236\u5f00\u8f9f\u4e86\u4e00\u6247\u65b0\u7684\u5927\u95e8\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6765\u81eaCornell University\u7684\u7269\u7406\u7cfb\u7684\u9ea6\u5efa\u8f89(\u901a\u8baf\u4f5c\u8005)\u548c\u5e94\u7528\u4e0e\u5de5\u7a0b\u7269\u7406\u5b66\u9662\u7684\u5355\u6d01 (\u5171\u540c\u901a\u8baf\u4f5c\u8005)<\/strong>\u8054\u5408\u56e2\u961f\u7684\u59dc\u751f\u4f1f\uff08\u7b2c\u4e00\u4f5c\u8005\uff09\u5728 Nature Materials<\/strong>\u53d1\u8868\u4e86\u9898\u4e3aElectric-field switching of two-dimensional van der Waals magnets<\/strong>\u7684\u6587\u7ae0\uff0c\u9996\u6b21\u5728\u6676\u4f53\u7ed3\u6784\u4e3a\u4e2d\u5fc3\u53cd\u6f14\u5bf9\u79f0\u7684\u53cc\u5c42CrI3<\/sub>\u4e2d\u53d1\u73b0\u4e86\u5b8c\u5168\u7531\u81ea\u65cb\u5e8f(spin order)\u63a7\u5236\u7684\u78c1\u7535\u8026\u5408\u6548\u5e94\uff0c\u5e76\u4e14\u78c1\u7535\u8026\u5408\u7cfb\u6570\u8fbe\u5230\u4e86110ps\/m\uff0c\u8d85\u8fc7\u4e86\u7edd\u5927\u591a\u6570\u5355\u76f8\u78c1\u7535\u8026\u5408\u6750\u6599\u3002\u7531\u4e8e\u5de8\u5927\u78c1\u7535\u8026\u5408\u7cfb\u6570,\u5916\u52a0\u8f83\u5c0f\u7535\u538b\u5c31\u80fd\u4ea7\u751f30%\u7684\u9971\u548c\u78c1\u77e9\uff0c\u5229\u7528\u8be5\u6548\u5e94\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u6750\u6599\u78c1\u6027\u8fde\u7eed\u53ef\u9006\u5730\u4ea7\u751f\u4e0e\u7ffb\u8f6c\u3002\u8be5\u6587\u7ae0\u88abnature materials\u65b0\u95fb\u89c2\u70b9\u4f5c\u4e3a\u4eae\u70b9\u62a5\u9053\u3002<\/p>\n

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

\u56fe<\/strong>1<\/strong>\uff1a\u53cc\u5c42<\/strong>CrI3<\/sub><\/strong>\u7684\u6676\u4f53\u7ed3\u6784\u548c\u78c1\u6027\u76f8\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

a: \u5355\u5c42CrI3<\/sub>\u7684\u9876\u89c6\u56fe\u4e0e\u4fa7\u89c6\u56fe\uff1b<\/p>\n

b: AFM\u53cc\u5c42CrI3<\/sub>\u7531\u5177\u6709\u53cd\u94c1\u78c1\u5c42\u95f4\u8026\u5408\u7684\u4e24\u4e2aFM\u5355\u5c42\u7ec4\u6210\uff1b<\/p>\n

c: \u6e29\u5ea6\u4e0e\u7684\u78c1\u573a\u7684\u51fd\u6570\uff0c\u63d2\u56fe\u63cf\u7ed8\u4e86\u4e0d\u540c\u78c1\u573a\u4e0b\u53cc\u5c42CrI3<\/sub>\u7684\u78c1\u6027\u57fa\u6001\uff1b<\/p>\n

d: \u53cc\u5c42CrI3<\/sub>\u4e2d\u7684\u78c1\u5e8f\u7684\u76f8\u56fe\u3002<\/p>\n

\u56fe<\/strong>2<\/strong>\uff1a<\/strong>AFM<\/strong>\u53cc\u5c42<\/strong>CrI3<\/sub><\/strong>\u4e2d\u7684\u7ebf\u6027\u78c1\u7535\u6548\u5e94<\/strong><\/p>\n

\"\"<\/p>\n

a: MCD\u4fe1\u53f7\u4f5c\u4e3a\u78c1\u573a\u57284K\u7684\u4ee3\u8868\u6027\u7535\u573a\u4e0b\u7684\u51fd\u6570\uff1b<\/p>\n

b: \u9762\u78c1\u77e9\u7684\u76f8\u5bf9\u548c\u7edd\u5bf9\u53d8\u5316\uff1b<\/p>\n

c: \u81ea\u65cb\u7ffb\u8f6c\u76f8\u53d8\u7684\u4e34\u754c\u78c1\u573a\u548c\u65bd\u52a0\u7535\u573a\u51fd\u6570\u3002<\/p>\n

\u56fe<\/strong>3<\/strong>\uff1a\u53cc\u5c42\u548c\u5355\u5c42<\/strong>CrI3<\/sub><\/strong>\u7684\u78c1\u7535\u54cd\u5e94<\/strong><\/p>\n

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

\u5bf9\u4e8e\u53cc\u5c42CrI3<\/sub>\uff0c\u901a\u8fc7\u57280.8V nm-1<\/sup>\u548c0V nm-1<\/sup>\u4e0b\u51cf\u53bbM-H\u66f2\u7ebf\u83b7\u5f97ME\u54cd\u5e94\u3002\u7136\u540e\u901a\u8fc7\u7535\u573a\u5dee\u5f02\u5bf9\u5176\u8fdb\u884c\u5f52\u4e00\u5316\uff0c\u9ed1\u8272\u548c\u7ea2\u8272\u5b9e\u7ebf\u5206\u522b\u662f\u78c1\u573a\u7684\u524d\u5411\u548c\u540e\u5411\u626b\u63cf\u3002\u5bf9\u4e8eCrI3<\/sub>\u5355\u5c42\uff0c\u57280.34 V nm-1<\/sup>\u548c-0.34 V nm-1<\/sup>\u4e0b\u51cf\u53bbM-H\u66f2\u7ebf\u83b7\u5f97\u7684\u3002<\/p>\n

\u56fe<\/strong>4<\/strong>\uff1a<\/strong>\u53cc\u5c42<\/strong>CrI3<\/sub><\/strong>\u4e2d\u78c1\u987a\u5e8f\u7684\u7535\u5207\u6362<\/strong><\/p>\n

\"\"<\/p>\n

a: \u78c1\u5316M\uff08\u53f3\uff09\u548c\u6807\u51c6\u5316\u7684\u78c1\u5316M\/Mo\uff08\u5de6\uff09\u4f5c\u4e3a\u65bd\u52a0\u7535\u573aE\u4e0b\u7684\u51fd\u6570\uff1b<\/p>\n

b:\u5728\u6052\u5b9a\u78c1\u573a\uff080.44T\uff09\u4e0b\u5468\u671f\u6027\u65bd\u52a0\u7535\u573a\u6765\u91cd\u590d\u5207\u6362\u78c1\u987a\u5e8f\u3002<\/p>\n

\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n

\u8be5\u56e2\u961f\u5728AFM\u53cc\u5c42CrI3<\/sub>\u4e2d\u89c2\u5bdf\u5230\u5927\u7684\u7ebf\u6027ME\u6548\u5e94\uff0c\u5176\u4f7f\u6750\u6599\u4e2d\u7684\u78c1\u6027\u7684\u7535\u63a7\u5236\u6210\u4e3a\u53ef\u80fd\u3002\u5728AFM-FM\u81ea\u65cb\u7ffb\u8f6c\u76f8\u53d8\u9644\u8fd1\uff0c\u5df2\u7ecf\u4f7f\u7528\u573a\u6548\u5e94\u5668\u4ef6\u8bc1\u660e\u4e86\u78c1\u5e8f\u7684\u53ef\u9006\u7535\u573a\u5207\u6362\u3002\u4ed6\u4eec\u7684\u7814\u7a76\u7ed3\u679c\u8bc1\u660e\u4e862D\u8303\u5fb7\u534e\u78c1\u4f53\u5728\u7535\u63a7\u975e\u6613\u5931\u6027\u5b58\u50a8\u5668\u3001\u81ea\u65cb\u7535\u5b50\u548c\u7535\u5b50\u5668\u4ef6\u5e94\u7528\u7684\u72ec\u7279\u6f5c\u529b\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Electric-field switching of two-dimensional van der Waals magnets<\/a>\uff08Nature Materials.2018, DOI: 10.1038\/s41563-018-0040-6\uff09<\/p>\n

Nature Materials\u5bf9\u6b64\u7684\u8bc4\u8bba\uff1a<\/p>\n

https:\/\/www.nature.com\/articles\/s41563-018-0064-y<\/a><\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7535\u5b50\u7535\u5de5\u5b66\u672f\u7ec4\u6768\u8d85\u6574\u7406\u7f16\u8f91\u3002<\/p>\n

\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\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\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8\u5927\u5bb6\u5ead<\/a>\u3002\u5982\u679c\u4f60\u5bf9\u7535\u5b50\u6750\u6599\u611f\u5174\u8da3\uff0c\u613f\u610f\u4e0e\u7535\u5b50\u7535\u5de5\u9886\u57df\u4eba\u624d\u4ea4\u6d41\uff0c\u8bf7\u52a0\u5165\u6750\u6599\u4eba\u7535\u5b50\u7535\u5de5\u6750\u6599\u5b66\u4e60\u5c0f\u7ec4\uff08QQ\u7fa4\uff1a482842474\uff09\u3002<\/p>\n

\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\u6295\u7a3f\u90ae\u7bb1tougao@cailiaoren.com\u3002<\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu\uff0c\u6211\u4eec\u4f1a\u9080\u8bf7\u5404\u4f4d\u8001\u5e08\u52a0\u5165\u4e13\u5bb6\u7fa4\u3002<\/p>\n

\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a\u6d4b\u8bd5\u8c37<\/a>\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u7528\u7eaf\u7535\u5b66\u624b\u6bb5\u63a7\u5236\u78c1\u6027\u662f\u4e0b\u4e00\u4ee3\u4fe1\u606f\u6280\u672f\u7684\u5173\u952e\u6311\u6218\u4e4b\u4e00\u3002\u4e4b\u524d\u4eba\u4eec\u5df2\u7ecf\u5728\u4e00\u4e9b\u6750\u6599\u7cfb\u7edf\u63a2\u7d22\u4e86\u7528\u7535\u573a\u63a7\u5236\u78c1\u6027\u7684\u53ef\u80fd\u6027\uff0c\u5305\u62ec\u94c1\u78c1\uff08FM\uff09\u91d1\u5c5e\u3001\u7a00\u78c1\u534a\u5bfc\u4f53\u3001\u591a\u94c1\u6027\u548c…<\/p>\n","protected":false},"author":1186,"featured_media":138694,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[3194],"class_list":["post-138693","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","tag-cri3"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/138693"}],"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\/1186"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=138693"}],"version-history":[{"count":3,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/138693\/revisions"}],"predecessor-version":[{"id":139095,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/138693\/revisions\/139095"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/138694"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=138693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=138693"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=138693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}