{"id":138269,"date":"2018-05-14T14:00:17","date_gmt":"2018-05-14T06:00:17","guid":{"rendered":"\/\/m.iemloyee.com\/?p=138269"},"modified":"2018-05-13T09:37:50","modified_gmt":"2018-05-13T01:37:50","slug":"nat-nanotech-%ef%bc%9a%e9%9d%99%e7%94%b5%e6%8e%ba%e6%9d%82%e6%8e%a7%e5%88%b62d-cri3%e4%b8%ad%e7%9a%84%e7%a3%81%e6%80%a7","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=138269","title":{"rendered":"Nat. Nanotech.\uff1a\u9759\u7535\u63ba\u6742\u63a7\u52362D CrI3\u4e2d\u7684\u78c1\u6027"},"content":{"rendered":"

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

\u6700\u8fd1\uff0c\u4e8c\u7ef4\u6750\u6599\u7684\u539f\u5b50\u539a\u5ea6\u548c\u9759\u7535\u63ba\u6742\u63d0\u4f9b\u4e86\u63a7\u5236\u5176\u7535\u5b66\u548c\u5149\u5b66\u6027\u8d28\u6765\u9a71\u52a8\u7535\u5b50\u76f8\u53d8\u7684\u72ec\u7279\u673a\u4f1a\u3002\u4e8c\u7ef4\u78c1\u6027\u6750\u6599\u7684\u53d1\u73b0\u5f00\u542f\u4e86\u78c1\u6027\u7535\u6c14\u63a7\u5236\u7684\u5927\u95e8\u548c\u4e3a\u5b9e\u73b0\u65b0\u529f\u80fd\u5668\u4ef6\u62d3\u5bbd\u4e86\u601d\u8def\u3002\u867d\u7136\u57fa\u4e8e\u7ebf\u6027\u78c1\u7535\u6548\u5e94\u7684\u5b9e\u9a8c\u8bc1\u660e\u4e86\u901a\u8fc7\u7535\u573a\u63a7\u5236\u53cc\u5c42CrI3<\/sub>\u4e2d\u7684\u78c1\u5e8f\uff0c\u8fd9\u79cd\u65b9\u6cd5\u4ec5\u9650\u4e8e\u975e\u4e2d\u5fc3\u5bf9\u79f0\u6750\u6599\u5728\u53cd\u94c1\u78c1\u4f53-\u94c1\u78c1\u4f53\u8f6c\u53d8\u9644\u8fd1\u78c1\u504f\u7f6e\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( \u7b2c\u4e00\u4f5c\u8005\uff09\u3001 \u674e\u7acb\u4e2d\u548c\u738b\u6cfd\u82b3\u5728 Nat. Nanotech.<\/strong>\u53d1\u8868\u4e86\u9898\u4e3aControlling magnetism in 2D CrI3 <\/sub>by electrostatic doping<\/strong>\u7684\u6587\u7ae0\uff0c\u901a\u8fc7\u9759\u7535\u63ba\u6742\u4f7f\u7528CrI3<\/sub>-\u77f3\u58a8\u70ef\u5782\u76f4\u5f02\u8d28\u7ed3\u6784\u63a7\u5236\u5355\u5c42\u548c\u53cc\u5c42CrI3<\/sub>\u7684\u78c1\u6027\uff0c\u5728\u5355\u5c42CrI3<\/sub>\u4e2d\uff0c\u63ba\u6742\u6539\u53d8\u4e86\u9971\u548c\u78c1\u5316\u5f3a\u5ea6\u3001\u77eb\u987d\u529b\u548c\u5c45\u91cc\u6e29\u5ea6\uff0c\u968f\u7740\u7a7a\u7a74\/\u7535\u5b50\u63ba\u6742\u800c\u589e\u5f3a\/\u51cf\u5f31\u7684\u78c1\u5e8f\u3002\u5728\u53cc\u5c42CrI3<\/sub>\u4e2d\uff0c\u5728\u301c2.5\u00d71013<\/sup> cm-2<\/sup>\u4ee5\u4e0a\u7684\u7535\u5b50\u63ba\u6742\u53ef\u4ee5\u5728\u6ca1\u6709\u78c1\u573a\u7684\u60c5\u51b5\u4e0b\u4ece\u53cd\u94c1\u78c1\u57fa\u6001\u8f6c\u53d8\u4e3a\u94c1\u78c1\u57fa\u6001\u3002\u7ed3\u679c\u8868\u660e\u4f9d\u8d56\u4e8e\u63ba\u6742\u7684\u5c42\u95f4\u4ea4\u6362\u8026\u5408\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u5c0f\u7684\u6805\u6781\u7535\u538b\u5b9e\u73b0\u53cc\u5c42CrI3<\/sub>\u4e2d\u7684\u78c1\u5316\u7684\u7a33\u5065\u5f00\u5173\u3002<\/p>\n

\u8be5\u56e2\u961f\u5728\u4e8c\u7ef4\u78c1\u6027\u9886\u57df\u4e0d\u4e45\u524d\u8fd8\u5728nature materials\u4e0a\u53d1\u8868\u4e86\u9898\u4e3aElectric-field switching of two-dimensional van der Waals magnets\u7684\u6587\u7ae0, \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, \u5e76\u4e14\u78c1\u7535\u8026\u5408\u7cfb\u6570\u8fbe\u5230\u4e86110ps\/m, \u8d85\u8fc7\u4e86\u7edd\u5927\u591a\u6570\u5355\u76f8\u78c1\u7535\u8026\u5408\u6750\u6599.\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.\u5229\u7528\u8be5\u6548\u5e94\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u6750\u6599\u78c1\u6027\u8fde\u7eed\u53ef\u9006\u5730\u4ea7\u751f\u4e0e\u7ffb\u8f6c. \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<\/strong>2D CrI3<\/sub><\/strong>\u573a\u6548\u5e94\u5668\u4ef6<\/strong><\/p>\n

\"\"<\/p>\n

a: \u53cc\u95f8\u6781\u53cc\u5c42CrI3<\/sub>\u573a\u6548\u5e94\u5668\u4ef6\u7684\u793a\u610f\u6027\u4fa7\u89c6\u56fe\uff1b<\/p>\n

b: \u4e24\u4e2a\u6837\u54c1\u5668\u4ef6\u7684\u5149\u5b66\u663e\u5fae\u56fe\uff1b<\/p>\n

c: \u53cc\u5c42CrI3<\/sub>\u5668\u4ef6\u7684\u5e73\u9762\u5916\u7535\u5bfc\uff1b<\/p>\n

d: MCD\u968f\u78c1\u573a\u5f3a\u5ea6\u7684\u53d8\u5316\u5173\u7cfb\uff0c\u63d2\u56fe\u8bf4\u660e\u4e86\u5bf9\u5e94\u4e8e\u5404\u79cd\u78c1\u573a\u8303\u56f4\u7684\u78c1\u6027\u72b6\u6001\u3002<\/p>\n

\u56fe2 \uff1a\u5355\u5c42CrI3<\/sub>\u63ba\u6742\u63a7\u5236\u94c1\u78c1\u6027<\/strong><\/p>\n

\"\"<\/p>\n

a: \u57284K\uff08\u9876\u90e8\u9762\u677f\uff09\u548c50K\uff08\u5e95\u90e8\u9762\u677f\uff09\u4e09\u4e2a\u4ee3\u8868\u6027\u63ba\u6742\u6c34\u5e73\u4e0b\u78c1\u5706\u4e8c\u8272(MCD)\u4e0e\u78c1\u573a\u7684\u5173\u7cfb\uff1b<\/p>\n

b: \u6e29\u5ea6\u4e0e\u654f\u611f\u5ea6\u7684\u51fd\u6570\uff1b<\/p>\n

c: \u6805\u6781\u7535\u538b\uff08\u5e95\u8f74\uff09\u548c\u8bf1\u5bfc\u63ba\u6742\u5bc6\u5ea6\uff08\u9876\u8f74\uff09\u7684\u51fd\u6570\u3002<\/p>\n

\u56fe<\/strong>3<\/strong>\uff1a\u53cc\u5c42<\/strong>CrI3<\/sub><\/strong>\u4e2d\u7684\u63ba\u6742\u63a7\u5236\u5c42\u95f4\u78c1\u6027<\/strong><\/p>\n

\"\"<\/p>\n

a: \u95e8\u6781\u7535\u538b\uff08\u5668\u4ef6\u7f16\u53f72\uff09\u4e0b4 K\u65f6\u7684MCD\u4e0e\u78c1\u573a\u7684\u5173\u7cfb\uff1b<\/p>\n

b: \u57284K\u4e0b\u63ba\u6742\u5bc6\u5ea6-\u78c1\u573a\u76f8\u56fe\uff1b<\/p>\n

c: \u5c42\u95f4\u4ea4\u6362\u8026\u5408\u5e38\u6570\u548c\u81ea\u65cb\u7ffb\u8f6c\u76f8\u53d8\u573a\u4f5c\u4e3a\u6805\u6781\u7535\u538b\u548c\u6805\u6781\u8bf1\u5bfc\u63ba\u6742\u6d53\u5ea6\u7684\u51fd\u6570\u3002<\/p>\n

\u56fe<\/strong>4<\/strong>\uff1a\u9759\u7535\u63ba\u6742\u5207\u6362\u4e8c\u7ef4<\/strong>CrI3<\/sub><\/strong>\u4e2d\u7684\u78c1\u6027<\/strong><\/p>\n

\"\"<\/p>\n

a: 4K\u65f6\u5355\u5c42CrI3<\/sub>\u7684MCD\u7684\u6805\u7535\u538b\u63a7\u5236\uff1b<\/p>\n

b: \u57284K\u7684\u96f6\u6805\u6781\u7535\u538b\u4e0b\uff0c\u53cc\u5c42CrI3<\/sub>\uff08\u5668\u4ef62\uff09\u7684MCD\u4e0e\u78c1\u573a\u7684\u5173\u7cfb\uff1b<\/p>\n

c: 4K\u65f6\u53cc\u5c42CrI3<\/sub>\u7684MCD\u7684\u6805\u538b\u63a7\u5236\u3002<\/p>\n

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

\u8be5\u56e2\u961f\u901a\u8fc7\u9759\u7535\u63ba\u6742\u8bc1\u5b9e\u4e86\u5728\u5355\u5c42\u548c\u53cc\u5c42CrI3<\/sub>\u4e2d\u5bf9\u78c1\u6027\u7684\u6709\u6548\u63a7\u5236\uff0c \u7279\u522b\u7684\u662f\u5728\u96f6\u78c1\u573a\u4e0b\u53cc\u5c42CrI3<\/sub>\u53ef\u4ee5\u8bf1\u5bfcAFM-FM\u81ea\u65cb\u76f8\u53d8(spin phase transition)\u3002\u7814\u7a76\u7ed3\u679c\u786e\u5b9a\u4e86\u4e00\u79cd\u6709\u6548\u548c\u591a\u529f\u80fd\u7684\u65b9\u6cd5\u6765\u8c03\u52362D\u78c1\u4f53\u7684\u78c1\u5316\uff0c\u53cc\u5c42CrI3<\/sub>\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u79cd\u6709\u524d\u666f\u7684\u7535\u538b\u63a7\u5236\u78c1\u5f00\u5173\u5e94\u7528\u7cfb\u7edf\u3002\u89c2\u5bdf\u5230\u7684\u63ba\u6742\u5bf92D CrI3<\/sub>\u78c1\u6027\u7684\u5f71\u54cd\u7684\u5fae\u89c2\u673a\u5236\u76ee\u524d\u5c1a\u672a\u5b8c\u5168\u7406\u89e3\uff0c\u4e3a\u5c06\u6765\u7684\u7406\u8bba\u548c\u5b9e\u9a8c\u7814\u7a76\u63d0\u4f9b\u4e86\u601d\u8def\u548c\u65b9\u5411\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Controlling magnetism in 2D CrI3 by electrostatic doping<\/a>\uff08Nat. Nanotech.,2018, DOI: 10.1038\/s41565-018-0135-x\uff09<\/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 \u6700\u8fd1\uff0c\u4e8c\u7ef4\u6750\u6599\u7684\u539f\u5b50\u539a\u5ea6\u548c\u9759\u7535\u63ba\u6742\u63d0\u4f9b\u4e86\u63a7\u5236\u5176\u7535\u5b66\u548c\u5149\u5b66\u6027\u8d28\u6765\u9a71\u52a8\u7535\u5b50\u76f8\u53d8\u7684\u72ec\u7279\u673a\u4f1a\u3002\u4e8c\u7ef4\u78c1\u6027\u6750\u6599\u7684\u53d1\u73b0\u5f00\u542f\u4e86\u78c1\u6027\u7535\u6c14\u63a7\u5236\u7684\u5927\u95e8\u548c\u4e3a\u5b9e\u73b0\u65b0\u529f\u80fd\u5668\u4ef6\u62d3\u5bbd…<\/p>\n","protected":false},"author":1186,"featured_media":138271,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[3187],"class_list":["post-138269","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","tag-3187"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/138269"}],"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=138269"}],"version-history":[{"count":5,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/138269\/revisions"}],"predecessor-version":[{"id":138615,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/138269\/revisions\/138615"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/138271"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=138269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=138269"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=138269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}