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\u4e8c\u3001\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/p>\n

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\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cHigh figure-of-merit and power generation in high-entropy GeTe-based thermoelectrics<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Science<\/em><\/strong>\u4e0a\u3002<\/p>\n

\"\"<\/p>\n

\u4e09\u3001\u3010\u6570\u636e\u6982\u89c8\u3011<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>1<\/strong> GeTe\u57fa\u70ed\u7535\u6750\u6599\u548c\u6a21\u5757\u7684\u9ad8\u7269\u7406\u6027\u80fd\uff1a(A) \u9ad8\u71b5Ge0.61<\/sub>Ag0.11<\/sub>Sb0.13<\/sub>Pb0.12<\/sub>Bi0.01<\/sub>Te\u6837\u54c1\u7684\u70ed\u7535\u54c1\u8d28\u56e0\u6570z<\/em>T\u503c\u4e0e\u6e29\u5ea6\u7684\u5173\u7cfb\uff1b(B) \u672c\u6587\u5236\u5907\u7684GeTe\u57fa\u70ed\u7535\u6a21\u5757\u7684\u6700\u5927\u8f6c\u6362\u6548\u7387\u03b7<\/em>max<\/sub>\u4e0e\u25b3T\u7684\u5173\u7cfb \u00a9 2022 AAAS<\/p>\n

\"\"<\/p>\n

\u56fe2<\/strong> \u9ad8\u71b5\u6750\u6599\u7684\u5f62\u6210\uff1a(A) \u4e0d\u540c\u7ec4\u6210\u5143\u7d20\u6570\u91cf\u7684GeTe\u57fa\u6750\u6599\u7684XRD\u8c31\u56fe\uff0c\u84dd\u8272\u7bad\u5934\u4ee3\u8868\u7684\u662f\u7b2c\u4e8c\u76f8\uff0c\u7f16\u53f7S1-S13\u7684GeTe\u57fa\u6750\u6599\u7684\u6210\u5206\u7528\u5316\u5b66\u5f0f\u8868\u793a\uff1b(B-G) \u9ad8\u71b5\u5408\u91d1Ge0.61<\/sub>Ag0.11<\/sub>Sb0.13<\/sub>Pb0.12<\/sub>Bi0.01<\/sub>Te\u7684\u603b\u4f53EDS\u5206\u5e03\u56fe\u548c\u5355\u4e2a\u5143\u7d20\u5206\u5e03\u56fe\uff0c(C) Ge\u3001(D) Ag\u3001(E) Sb\u3001(F) Pb\u3001(G) Te \u00a9 2022 AAAS<\/p>\n

\"\"<\/p>\n

\u56fe3<\/strong> GeTe\u57fa\u6750\u6599\u548c\u6a21\u5757\u7684\u70ed\u7535\u6027\u80fd\uff1a(A) \u529f\u7387\u56e0\u7d20PF<\/em>\u3001(B) \u6676\u683c\u70ed\u5bfc\u7387kL<\/sub> \u548c(C) \u54c1\u8d28\u56e0\u7d20z<\/em>T\u4e0e\u6e29\u5ea6\u7684\u5173\u7cfb\u6e29\u5ea6\u7684\u5173\u7cfb\uff1b(D) \u672c\u6587\u6750\u6599\u7684 zT\u503c\u4e0e\u6587\u732e\u62a5\u9053\u7684\u6750\u6599\u5bf9\u6bd4\uff1b(E-F) \u5236\u5907\u768411\u30017:3\u30018:3\u548c9:3\u6a21\u5757\u4e0e\u7535\u6d41\u6709\u5173\u7684\u53c2\u6570\uff0c(E) \u8f93\u51fa\u7535\u538b\u548c\u8f93\u51fa\u529f\u7387\uff0c(F) \u8f6c\u5316\u7cfb\u6570 \u00a9 2022 AAAS<\/p>\n

\"\"<\/p>\n

\u56fe4<\/strong> \u7535\u5b50\u5206\u5e03\u504f\u79bb\uff1a(A\u3001B) GeTe\u5408\u91d1\u548cGe0.61<\/sub>Ag0.11<\/sub>Sb0.13<\/sub>Pb0.12<\/sub>Bi0.01<\/sub>Te\u9ad8\u71b5\u5408\u91d1\u7684SETM-HAADF\u56fe\uff0c\u6a59\u8272\u83f1\u5f62\u4ee3\u8868Te\u539f\u5b50\uff0c\u7ea2\u8272\u7bad\u5934\u4ee3\u8868Ge\u539f\u5b50\u504f\u79bb\u65b9\u5411\uff1b(C) \u51e0\u4f55\u4e2d\u5fc3\u504f\u79bb\u503c\u7684\u793a\u610f\u56fe\uff1b(D\u3001E) GeTe\u5408\u91d1\u548cGe0.61<\/sub>Ag0.11<\/sub>Sb0.13<\/sub>Pb0.12<\/sub>Bi0.01<\/sub>Te\u9ad8\u71b5\u5408\u91d1\u7684\u7535\u573a\u5206\u5e03\uff1b(F) \u504f\u79bb\u503c\u968f\u7740\u71b5\u589e\u7684\u53d8\u5316\uff1b(G\u3001H) GeTe\u5408\u91d1\u548cGe0.61<\/sub>Ag0.11<\/sub>Sb0.13<\/sub>Pb0.12<\/sub>Bi0.01<\/sub>Te\u9ad8\u71b5\u5408\u91d1\u7684\u7535\u8377\u5206\u5e03\uff1b(J\u3001K) \u901a\u8fc7\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u8ba1\u7b97\u7684\u5b9a\u57df\u548c\u975e\u5b9a\u57df\u7535\u5b50\u5206\u5e03\u793a\u610f\u56fe\uff0c\u7ea2\u8272\u5b9e\u7ebf\u4ee3\u8868\u77ed\u952e\uff0c\u7ea2\u8272\u865a\u7ebf\u4ee3\u8868\u957f\u952e\uff1b(L) \u901a\u8fc7\u8c03\u6574\u504f\u79bb\u503c\u5f97\u5230\u7684\u80fd\u5e26\u6536\u655b \u00a9 2022 AAAS<\/p>\n

\"\"<\/p>\n

\u56fe5<\/strong> \u58f0\u5b50\u7684\u5b9a\u57df\u5206\u5e03\uff1a(A\u3001B) \u5728\u5e38\u89c4\u72b6\u6001\u548c\u5e94\u53d8\u72b6\u6001\u4e0bGeTe\u5408\u91d1\u548cGe0.61<\/sub>Ag0.11<\/sub>Sb0.13<\/sub>Pb0.12<\/sub>Bi0.01<\/sub>Te\u9ad8\u71b5\u5408\u91d1\u4e2d\u7684\u5206\u5e03\uff0c\u03b4\u4e3a\u5747\u65b9\u6839\uff1b(C) \u62c9\u66fc\u5149\u8c31\u5f3a\u5ea6\u548c\u534a\u5cf0\u5bbd\uff0c\u5de6\u56fe\u4e3aGeTe\uff0c\u4e2d\u95f4\u56fe\u4e3aGe0.61<\/sub>Ag0.11<\/sub>Sb0.13<\/sub>Pb0.12<\/sub>Bi0.01<\/sub>Te\uff1b(D) \u6d4b\u91cf\u5f97\u5230\u7684\u6a2a\u6ce2\u548c\u7eb5\u6ce2\u58f0\u901f\u3001\u8ba1\u7b97\u5f97\u5230\u7684\u5e38\u6e29\u4e0b\u7684Gruneisen\u53c2\u6570(\u03bb)\u548c\u6676\u683c\u70ed\u5bfc\u7387(kL<\/sub>)\uff0cv0<\/sub>\u662f\u6d4b\u91cf\u7684GeTe\u6837\u54c1\u7684\u58f0\u901f \u00a9 2022 AAAS<\/p>\n

\u56db\u3001\u3010\u6210\u679c\u542f\u793a\u3011<\/strong><\/p>\n

\u9ad8\u71b5\u5408\u91d1\u63d0\u9ad8\u4e86GeTe\u57fa\u6750\u6599\u548c\u6a21\u5757\u7684\u70ed\u7535\u6027\u80fd\u3002\u901a\u8fc7\u589e\u52a0\u6df7\u4e71\u7cfb\u7edf\u7684\u71b5\uff0c\u6676\u7c92\u5bf9\u79f0\u6027\u589e\u52a0\uff0c\u7535\u5b50\u5206\u5e03\u9ad8\u5ea6\u975e\u5b9a\u57df\uff0c\u56e0\u800c\u4fdd\u6301\u4e86\u826f\u597d\u7684\u7535\u6027\u80fd\u3002\u6df7\u4e71\u7cfb\u7edf\u4e2d\u58f0\u5b50\u7684\u5b9a\u57df\u5206\u5e03\u5f3a\u70c8\u963b\u788d\u4e86\u6a2a\u58f0\u5b50\u7684\u4f20\u64ad\uff0c\u8fd9\u662f\u4ea7\u751f\u5f3a\u975e\u8c10\u6027\u589e\u5f3a\u548c\u4f4e\u6676\u683c\u70ed\u5bfc\u7387\u7684\u539f\u56e0\u3002\u6587\u7ae0\u8bc1\u5b9e\u4e86\u9ad8\u71b5\u5408\u91d1\u4e2d\u7684\u7535\u5b50\u975e\u5b9a\u57df\u3001\u58f0\u5b50\u5b9a\u57df\u5206\u5e03\uff0c\u8fd9\u79cd\u7b56\u7565\u4e3a\u540c\u65f6\u83b7\u5f97\u7535\u548c\u70ed\u4f20\u8f93\u6027\u80fd\u63d0\u4f9b\u4ee5\u53ef\u80fd\u6027\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1ahttps:\/\/www.science.org\/doi\/10.1126\/science.abq5815<\/a><\/p>\n

 <\/p>\n

\u6ce8\u91ca<\/strong><\/p>\n

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