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\u3010\u524d\u8a00\u3011<\/p>\n

\u9ad8\u6e29\u6c27\u5316\u94dc\u8d85\u5bfc\u4f53\u7531\u5806\u53e0\u7684CuO2<\/sub>\u7ec4\u6210\uff0c\u7535\u5b50\u5e26\u7ed3\u6784\u548c\u78c1\u6fc0\u53d1\u4e3b\u8981\u662f\u4e8c\u7ef4\u7684\uff0c\u4f46\u8d85\u5bfc\u76f8\u5e72\u6027\u662f\u4e09\u7ef4\u7684\u3002\u8fd9\u79cd\u4e8c\u5206\u6cd5\u5f3a\u8c03\u4e86\u9762\u5916\u7535\u8377\u52a8\u529b\u5b66\u7684\u91cd\u8981\u6027\u3002\u76ee\u524d\u7814\u7a76\u4eba\u5458\u5df2\u7ecf\u53d1\u73b0\uff0c\u5728\u5149\u5b66\u53ef\u8fbe\u5230\u7684\u6709\u9650\u52a8\u91cf\u8303\u56f4\u5185\uff0c\u9762\u5916\u7535\u8377\u52a8\u529b\u5b66\u5728\u6b63\u5e38\u72b6\u6001\u4e0b\u662f\u975e\u76f8\u5e72\u7684\u3002<\/p>\n

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

\u4eca\u65e5\uff0c\u6765\u81ea\u65af\u5766\u798f\u5927\u5b66\u7684<\/strong>Z. X. Shen, T. P. Devereaux,<\/strong>\u548c<\/strong>W. S. Lee<\/strong>\uff08\u5171\u540c\u901a\u8baf\uff09<\/strong>\u8054\u5408\u5728Nature\u53d1\u8868\u6587\u7ae0\uff0c\u9898\u4e3a\u201cThree-dimensional collective charge excitations in\u00a0electron-doped copper oxide superconductors\u201d\u3002\u4f5c\u8005\u4f7f\u7528\u5171\u632f\u975e\u5f39\u6027X\u5c04\u7ebf\u6563\u5c04\u6765\u63a2\u7d22\u5e03\u91cc\u6e0a\u533a\u6240\u6709\u4e09\u7ef4\u7a7a\u95f4\u7684\u7535\u8377\u52a8\u6001\u3002\u7535\u5b50\u63ba\u6742\u6c27\u5316\u94dc\u6fc0\u53d1(\u6a21\u5f0f)\u7684\u6781\u5316\u5206\u6790\u63ed\u793a\u4e86\u5b83\u4eec\u7684\u7535\u8377\u6765\u6e90\u3002\u6fc0\u53d1\u6cbf\u7740\u9762\u5185\u548c\u9762\u5916\u4e24\u4e2a\u65b9\u5411\u6269\u6563\uff0c\u8fd9\u63ed\u793a\u4e86\u5b83\u7684\u4e09\u7ef4\u6027\u8d28\u3002\u9762\u5916\u5206\u6563\u7684\u5468\u671f\u6027\u5bf9\u5e94\u4e8e\u76f8\u90bbCuO2<\/sub>\u5e73\u9762\u4e4b\u95f4\u7684\u95f4\u8ddd\uff0c\u800c\u4e0d\u662f\u6676\u4f53c\u8f74\u6676\u683c\u5e38\u6570\uff0c\u8fd9\u8868\u660e\u9762\u5916\u5e93\u4ed1\u76f8\u4e92\u4f5c\u7528\u662f\u76f8\u5e72\u9762\u5916\u7535\u8377\u52a8\u529b\u5b66\u7684\u539f\u56e0\u3002\u4f5c\u8005\u89c2\u5bdf\u5230\u7684\u7279\u6027\u662f\u6e34\u671b\u5df2\u4e45\u7684\u201c\u58f0\u7b49\u79bb\u5b50\u4f53\u6fc0\u5143\u201d\u7684\u7279\u5f81\uff0c\u8fd9\u662f\u5206\u5c42\u7cfb\u7edf\u9884\u6d4b\u7684\u4e0d\u540c\u7535\u8377\u96c6\u5408\u6a21\u5f0f\u7684\u4e00\u4e2a\u5206\u652f\uff0c\u5e76\u88ab\u8ba4\u4e3a\u5728\u8c03\u89e3\u9ad8\u6e29\u8d85\u5bfc\u6027\u65b9\u9762\u5c06\u53d1\u6325\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n

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

\u56fe1. \u5c42\u72b6\u7535\u5b50\u6c14\u4e2d\u7684\u7b49\u79bb\u5b50\u4f53\u6fc0\u5143\u4ee5\u53ca\u7535\u5b50\u63ba\u6742\u6c27\u5316\u94dc\u7684\u7535\u8377\u6fc0\u53d1\"1\"<\/p>\n

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\u4f5c\u8005\u96c6\u4e2d\u7814\u7a76\u5728\u4ee5\u524d\u5728\u7535\u5b50\u63ba\u6742\u6c27\u5316\u94dcNd2<\/sub>\u2212<\/sub>x<\/sub>Cex<\/sub>CuO4<\/sub> (NCCO) (x = 0.15)\u548cSr1<\/sub>\u2212<\/sub>x<\/sub>Lax<\/sub>CuO2<\/sub>\u4e2d\u901a\u8fc7\u5171\u632f\u975e\u5f39\u6027X\u5c04\u7ebf\u6563\u5c04\u53d1\u73b0\u7684\u795e\u79d8\u7684\u201c\u533a\u57df\u4e2d\u5fc3\u201d\u6fc0\u53d1\u3002\u5728\u4e00\u4e2a\u4e0d\u540c\u7684\u7535\u5b50\u63ba\u6742\u6c27\u5316\u94dc\u65cfLa2<\/sub>\u2212<\/sub>x<\/sub>Cex<\/sub>CuO4<\/sub> (LCCO) (x = 0.175)\u4e2d\uff0c\u4f5c\u8005\u89e3\u6790\u4e86\u7c7b\u4f3c\u4e8eNCCO\u5728\u5178\u578b\u9762\u5185\u52a8\u91cf\u8f6c\u79fb\u65f6\u7684\u5149\u8c31\u7279\u5f81\uff0c\u8fd9\u8868\u660e\u4e86\u8fd9\u79cd\u96c6\u4f53\u6a21\u5f0f\u5728\u7535\u5b50\u63ba\u6742\u6c27\u5316\u94dc\u4e2d\u7684\u666e\u904d\u6027\u3002\u5173\u4e8e\u5176\u8d77\u6e90\u7684\u63a8\u6d4b\u5305\u62ec\u5e26\u5185\u8dc3\u8fc1\u3001\u91cf\u5b50\u76f8\u4f4d\u7684\u96c6\u4f53\u6a21\u5f0f\u548c\u7b49\u79bb\u5b50\u4f53\u6fc0\u5143\u3002\u5c3d\u7ba1\u8be5\u6a21\u5f0f\u88ab\u6000\u7591\u662f\u7535\u8377\u5c5e\u6027\u7684\uff0c\u4f46\u7531\u4e8e\u5728\u4ee5\u524d\u7684\u6d4b\u91cf\u4e2d\u65e0\u6cd5\u533a\u5206\u7535\u8377\u548c\u78c1\u6fc0\u53d1\uff0c\u56e0\u6b64\u65e0\u6cd5\u8fdb\u884c\u660e\u786e\u7684\u8bc4\u4f30<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aThree-dimensional collective charge excitations in electron-doped copper oxide superconductors<\/a>, (Nature, 2018, DOI: https:\/\/doi.org\/10.1038\/s41586-018-0648-3)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u5b66\u672f\u7ec4Z,Chen<\/b><\/strong>\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\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\u7bb1\uff1atougao@cailiaoren.com\u3002<\/p>\n

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