{"id":173642,"date":"2019-05-09T09:50:54","date_gmt":"2019-05-09T01:50:54","guid":{"rendered":"\/\/m.iemloyee.com\/?p=173642"},"modified":"2019-05-09T20:11:55","modified_gmt":"2019-05-09T12:11:55","slug":"%e7%a8%bf%e4%bb%b6%e6%9c%aa%e5%9b%9e%e5%a4%8d-%e4%b8%ad%e7%a7%91%e5%a4%a7-%e6%9c%b1%e6%96%87%e5%85%89%e5%9b%a2%e9%98%9f-nat-commun-%e9%a2%84%e6%b5%8bin2se3%e5%92%8c%e5%85%b6%e4%bb%96iii2-vi3","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=173642","title":{"rendered":"\u4e2d\u79d1\u5927 \u6731\u6587\u5149\u56e2\u961f Nat. Commun.: \u9884\u6d4bIn2Se3\u548c\u5176\u4ed6III2-VI3\u8303\u5fb7\u74e6\u5c14\u65af\u6750\u6599\u4e2d\u7684\u56fa\u6709\u4e8c\u7ef4\u94c1\u7535\u4f53"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u8fd1\u5e74\u6765\uff0c\u4eba\u4eec\u5bf9\u4e8c\u7ef4\uff082D\uff09\u8303\u5fb7\u74e6\u5c14\u65af\u6750\u6599\u5728\u591a\u4e2a\u79d1\u5b66\u548c\u5de5\u7a0b\u9886\u57df\u7684\u7814\u7a76\u8fc5\u901f\u589e\u957f\u3002\u7136\u800c\uff0c\u5177\u6709\u91cd\u8981\u5b9e\u9645\u5e94\u7528\u7684\u81ea\u53d1\u7535\u6781\u5316\u73b0\u8c61\u2014\u94c1\u7535\u6027\uff0c\u8fc4\u4eca\u5728\u6b64\u7c7b\u6750\u6599\u4e2d\u5374\u9c9c\u6709\u62a5\u9053\u3002\u5176\u4e2d\uff0c\u94c1\u7535\u6027\u662f\u4e0e\u81ea\u53d1\u7535\u6781\u5316\u76f8\u5173\u7684\u6750\u6599\u7279\u6027\uff0c\u5728\u573a\u6548\u5e94\u6676\u4f53\u7ba1\u548c\u4f20\u611f\u5668\u7b49\u65b9\u9762\u5177\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u4f46\u662f\u4e4b\u524d\u5bf9\u94c1\u7535\u6750\u6599\u7684\u7814\u7a76\u4e3b\u8981\u96c6\u4e2d\u5728\u50cfABO3<\/sub>\u9499\u949b\u77ff\u5316\u5408\u7269\u7b49\u590d\u5408\u6c27\u5316\u7269\u4e0a\u3002\u76ee\u524d\uff0c\u4eba\u4eec\u5df2\u7ecf\u53d1\u73b0\u4e86\u5927\u91cf\u76842D\u8303\u5fb7\u74e6\u5c14\u65af\u6750\u6599\uff0c\u4e14\u5176\u8868\u73b0\u51fa\u4e30\u5bcc\u591a\u6837\u7684\u7269\u7406\u6027\u8d28\u3002\u8fd9\u4e9b\u53d1\u73b0\u4e3a\u5728\u6700\u7ec8\u5355\u5c42\u4f53\u7cfb\u4e2d\u5b9e\u73b0\u94c1\u7535\u6027\u63d0\u4f9b\u65b0\u7684\u548c\u66ff\u4ee3\u7684\u673a\u4f1a\uff0c\u7279\u522b\u662f\u4e0e\u5782\u76f4\u4e8e\u8584\u819c\u65b9\u5411\u6280\u672f\u6700\u76f8\u5173\u7684\u6781\u5316\u7387\u3002\u867d\u7136\u4eba\u4eec\u5df2\u7ecf\u9884\u6d4b\u52302D\u94c1\u7535\u4f53\u7684\u5b58\u5728\uff0c\u4f46\u662f\u7531\u4e8e\u8868\u9762\u80fd\u3001\u53bb\u6781\u5316\u9759\u7535\u573a\u548c\u7535\u5b50\u5c4f\u853d\u7b49\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u5bfc\u81f4\u5b9e\u9645\u6750\u6599\u5728\u8584\u819c\u539a\u5ea6\u5c0f\u4e8e\u4e34\u754c\u503c\u65f6\uff0c\u94c1\u7535\u6027\u5c31\u4f1a\u6d88\u5931\u3002\u901a\u5e38\u7535\u6781\u5316\u7684\u51fa\u73b0\u9700\u8981\u5728\u6781\u5316\u65b9\u5411\u4e0a\u6253\u7834\u7ed3\u6784\u4e2d\u5fc3\u5bf9\u79f0\uff0c\u4f46\u662f\u5728\u6240\u6709\u5df2\u77e52D\u6750\u6599\u7684\u521d\u59cb\u7ed3\u6784\u5728\u5e73\u9762\u5916\u8f74\u4e0a\u7684\u539f\u5b50\u4f4d\u7f6e\u7684\u6295\u5f71\u662f\u5b8c\u5168\u4e2d\u5fc3\u5bf9\u79f0\u7684\uff0c\u4e0d\u53ef\u80fd\u51fa\u73b0\u5e73\u9762\u5916\u6781\u5316\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u8fd1\u65e5\uff0c\u4e2d\u56fd\u79d1\u5b66\u4e0e\u6280\u672f\u5927\u5b66\u7684\u6731\u6587\u5149\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u56e2\u961f\u62a5\u9053\u4e86\u4e00\u7c7b\u57fa\u4e8e\u4ee5III2<\/sub>-VI3<\/sub>\u5f62\u5f0f\u7684III-VI\u5316\u5408\u7269\u7684\u7a33\u5b9a\u5355\u5c422D\u94c1\u7535\u6750\u6599\u3002\u4f5c\u8005\u5229\u7528\u7b2c\u4e00\u539f\u7406\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8ba1\u7b97\uff0c\u63ed\u793a\u4e86\u57fa\u4e8eIn2<\/sub>Se3<\/sub>\u548c\u5176\u4ed6III2<\/sub>-VI3<\/sub>\u8303\u5fb7\u74e6\u5c14\u65af\u6750\u6599\u5728\u5e73\u9762\u5916\u548c\u5e73\u9762\u5185\u90fd\u8868\u73b0\u51fa\u5177\u6709\u53ef\u9006\u81ea\u53d1\u7535\u6781\u5316\u7684\u94c1\u7535\u6027\u3002\u6b64\u5916\uff0c\u4f5c\u8005\u8fd8\u5229\u7528In2<\/sub>Se3<\/sub>\/\u77f3\u58a8\u70ef\u7684\u8303\u5fb7\u74e6\u5c14\u65af\u5f02\u8d28\u7ed3\u6784\uff08\u5177\u6709\u53ef\u8c03\u8c10\u7684\u8096\u7279\u57fa\u52bf\u5792\uff09\u548cIn2<\/sub>Se3<\/sub>\/WSe2<\/sub>\u7684\u4f8b\u5b50\u8fdb\u4e00\u6b65\u8bc1\u660e\u4e86\u8fd9\u4e9b2D\u94c1\u7535\u6750\u6599\u7684\u5668\u4ef6\u7535\u4f4d\uff0c\u8fd9\u4e24\u79cd\u5f02\u8d28\u7ed3\u6784\u5728\u590d\u5408\u4f53\u7cfb\u4e2d\u663e\u793a\u51fa\u663e\u8457\u7684\u5e26\u9699\u51cf\u5c0f\u3002\u8fd9\u4e9b\u91cd\u8981\u7684\u53d1\u73b0\u53ef\u4ee5\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u62d3\u5bbd\u8303\u5fb7\u74e6\u5c14\u65af\u5f02\u8d28\u7ed3\u6784\u7684\u53ef\u8c03\u8c10\u6027\uff0c\u4f7f\u4e4b\u5e7f\u6cdb\u88ab\u5e94\u7528\u3002\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cPrediction of intrinsic two-dimensional ferroelectrics in In2<\/sub>Se3<\/sub> and other III2<\/sub>-VI3<\/sub> van der Waals materials\u201d<\/strong>\u53d1\u5e03\u5728\u56fd\u9645\u8457\u540d\u671f\u520aNat. Commun.<\/strong>\u4e0a\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe\u4e00\u3001In2<\/sub>Se3<\/sub>\u7684\u5c42\u72b6\u7ed3\u6784<\/strong> \uff08b\uff09 \u6cbf\u5782\u76f4\u65b9\u5411\u7684\u4fef\u89c6\u56fe\uff1b<\/p>\n \uff08c-h\uff091\u4e2aQL In2<\/sub>Se3<\/sub>\u7684\u51e0\u4e2a\u4ee3\u8868\u6027\u7ed3\u6784\u7684\u4fa7\u89c6\u56fe\uff0c\u5176\u4e2dc-e\u7ed3\u6784\u5206\u522b\u6765\u81ea\u95ea\u950c\u77ff\u3001\u7ea4\u950c\u77ff\u548cfcc\u6676\u4f53\u3002<\/p>\n \u56fe\u4e8c\u3001\u6781\u5316\u53cd\u8f6c\u8fc7\u7a0b\u4e2d\u7684\u52a8\u529b\u5b66\u9014\u5f84<\/strong> \uff08b\uff09 \u5728FE-ZB’\u9636\u6bb5\u4e2d\u53cd\u8f6c1\u4e2aQL In2<\/sub>Se3<\/sub>\u7684\u7535\u6781\u5316\u65b9\u5411\u7684\u6700\u6709\u6548\u52a8\u529b\u5b66\u8def\u5f84\u7684\u80fd\u91cf\u5206\u5e03\u6d89\u53ca\u4e09\u6b65\u534f\u8c03\u673a\u5236\u3002<\/p>\n \u56fe\u4e09\u3001\u5916\u90e8\u7535\u573a\u7684\u5f71\u54cd<\/strong> \u56fe\u56db\u3001\u7574\u58c1\u8fd0\u52a8\u7684\u52a8\u529b\u5b66\u9014\u5f84<\/strong> \u56fe\u4e94\u3001\u57fa\u4e8eIn2<\/sub>Se3<\/sub>\u7684\u5f02\u8d28\u7ed3\u6784\u7684\u7535\u5b50\u7ed3\u6784<\/strong> \uff08b-e\uff09\u5728\u4e00\u4e2aQL FE-ZB’ In2<\/sub>Se3<\/sub>\/\u77f3\u58a8\u70ef\u5f02\u8d28\u7ed3\u6784\u7684\u754c\u9762\u5904\u8bc1\u660e\u53ef\u8c03\u8c10\u8096\u7279\u57fa\u52bf\u5792\uff1b<\/p>\n \uff08f-i\uff09\u8bc1\u660e\u5728\u4e00\u4e2aQL FE-ZB’ In2<\/sub>Se3<\/sub>\/WSe2<\/sub>\u5f02\u8d28\u7ed3\u6784\u4e2d\u663e\u7740\u7684\u5e26\u9699\u51cf\u5c11\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u00a0 \u00a0 \u00a0 \u00a0 \u7efc\u4e0a\u6240\u8ff0\uff0c\u5728\u8fd9\u9879\u7814\u7a76\u4e2d\uff0c\u4f5c\u8005\u53d1\u73b0\u4e86\u4e00\u7c7b\u4ee5III2<\/sub>-VI3<\/sub>\u5316\u5408\u7269\u4e3a\u57fa\u7840\u7684\u7a33\u5b9a\u7684\u5355\u5c42\u8303\u5fb7\u74e6\u5c14\u65af2D\u94c1\u7535\u6750\u6599\u3002\u5b83\u4eec\u5177\u6709\u56fa\u6709\u7684\u9762\u5916\u548c\u9762\u5185\u7535\u6781\u5316\uff0c\u5728\u9002\u5ea6\u7684\u5e73\u9762\u5916\u6216\u5e73\u9762\u5185\u7535\u573a\u7684\u5e2e\u52a9\u4e0b\u53ef\u4ee5\u901a\u8fc7\u6613\u4e8e\u83b7\u5f97\u7684\u52a8\u529b\u5b66\u9014\u5f84\u8fdb\u884c\u9006\u8f6c\u3002\u4ece\u66f4\u5927\u7684\u8303\u56f4\u6765\u8bf4\uff0c\u8fd9\u4e9b\u53d1\u73b0\u4e3a2D\u6750\u6599\u6dfb\u52a0\u4e86\u4e00\u4e2a\u91cd\u8981\u7684\u5206\u652f\u3002\u9884\u671f\u8fd9\u4e9b\u6750\u6599\u4e0e\u5176\u4ed6\u7c7b\u522b\u76842D\u6750\u6599\u7684\u9002\u5f53\u96c6\u6210\u5c06\u5927\u5927\u62d3\u5bbd\u8303\u5fb7\u534e\u5f02\u8d28\u7ed3\u6784\u7684\u53ef\u8c03\u6027\u548c\u5668\u4ef6\u6f5c\u529b\u3002<\/p>\n
\n \uff08a\uff09 \u5c42\u72b6In2<\/sub>Se3<\/sub>\u7684\u4e09\u7ef4\u6676\u4f53\u7ed3\u6784\uff0c\u5176\u4e2dIn\u539f\u5b50\u4e3a\u84dd\u8272\uff0cSe\u539f\u5b50\u4e3a\u7ea2\u8272\uff0c\u4e00\u4e2a\u4e94\u5c42\uff08QL\uff09\u7531\u9ed1\u8272\u865a\u7ebf\u65b9\u5757\u8868\u793a\uff1b<\/p>\n
\n \uff08a\uff09 FE-ZB’\u76f8\u4e2d1\u4e2a\u4e94\u5c42\uff08QL\uff09In2<\/sub>Se3<\/sub>\u7684\u603b\u80fd\u91cf\uff08y\u8f74\uff09\u7684\u6f14\u53d8\u4ece\u7535\u6781\u5316\u6307\u5411\u4e0b\uff08\u5de6\uff09\u7684\u72b6\u6001\u8f6c\u53d8\u4e3a\u7535\u6781\u5316\u6307\u5411\u4e0a\u7684\u72b6\u6001\uff08 \u53f3\uff09\u901a\u8fc7\u76f4\u63a5\u79fb\u4f4d\u8fc7\u7a0b\uff1a\u4e2d\u5fc3\u5c42\u7684Se\u539f\u5b50\u6a2a\u5411\u4eceB\u4f4d\u7f6e\u79fb\u4f4d\u5230C\u4f4d\u7f6e\uff1b<\/p>\n
\n \u901a\u8fc7\u5982\u56fe\u6240\u793a\u7684\u534f\u540c\u8fd0\u52a8\uff0c\u57281\u4e2a\u4e94\u5c42In2<\/sub>Se3<\/sub>\u7684\u7535\u6781\u5316\u53cd\u8f6c\u8fc7\u7a0b\u4e2d\u8ba1\u7b97\u51fa\u7684\u6fc0\u6d3b\u52bf\u5792\uff08\u9ed1\u8272\u5706\u5708\uff09\u548c\u521d\u59cb\u72b6\u6001\uff08\u63d2\u56fe\uff09\u4e4b\u95f4\u7684\u80fd\u91cf\u5dee\uff08\u7070\u8272\u65b9\u5757\uff09\uff0c\u7ed8\u5236\u4e3a\u5206\u522b\u5728\u9762\u5916\u65b9\u5411\uff08a\uff09\u548c\u9762\u5185[110]\u65b9\u5411\uff08b\uff09\u4e0a\u65bd\u52a0\u7684\u5916\u90e8\u7535\u573a\u7684\u51fd\u6570\u3002<\/p>\n
\n \u5305\u542b\u56db\u4e2a\u53ef\u80fd\u7684\u7574\u58c1\u7ed3\u6784\u7684\u521d\u59cb\u72b6\u6001\u5728FE-ZB’\u76f8\u4e2d\u5177\u6709\u76f8\u53cd\u7535\u6781\u5316\u76841\u4e2a\u4e94\u5c42In2<\/sub>Se3<\/sub>\u7684\u4e24\u4e2a\u94c1\u7535\u6027\u4e4b\u95f4\u663e\u793a\u5728\uff08a\uff09\u3001\uff08b\uff09\uff08\u5728\u5e95\u90e8\u4e2d\u5fc3\uff09\u3001\u80fd\u91cf\u5206\u5e03\u3001\u6700\u7ec8\u72b6\u6001\uff08 \u5728\u5de6\u4e0b\u65b9\u548c\u53f3\u4e0b\u65b9\uff09\u4ee5\u53ca\u4e0e\u7574\u58c1\u8fd0\u52a8\u6709\u5173\u7684\u52a8\u529b\u5b66\u8def\u5f84\u7684\u8fc7\u6e21\u72b6\u6001\uff08\u5728\u9876\u90e8\uff09\u3002<\/p>\n
\n \uff08a\uff09FE-ZB’\u76f8\u4e2d\u76841\u4e2a\u4e94\u5c42\uff08QL\uff09\u94c1\u7535In2Se3\u7684\u7535\u5b50\u80fd\u5e26\u7ed3\u6784\uff08\u7531HSE06\u8ba1\u7b97\uff09\uff1b<\/p>\n