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\u76f8\u5173\u7814\u7a76\u6210\u679cInterplay between metavalent bonds and dopant orbitals enables the design of SnTe thermoelectrics\u5728\u7ebf\u53d1\u8868\u4e8eNature Communications 2024\uff0c15\uff0c9133\u4e0a\u3002<\/p>\n

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\"\"<\/a><\/p>\n

\u56fe<\/strong>4 Sn1.03-x-y<\/sub>Alx<\/sub>Sby<\/sub>Te\u2013z%AgBiTe2<\/sub><\/strong>\u7684\u7535\u6027\u80fd\u6d4b\u8bd5\uff0c<\/strong>(a)<\/strong>\u7535\u5bfc\u7387\uff0c<\/strong>(b)<\/strong>\u8f7d\u6d41\u5b50\u6d53\u5ea6\u8fc1\u79fb\u7387\uff0c<\/strong>(c)<\/strong> \u585e\u8d1d\u514b\u7cfb\u6570<\/strong>, (d)<\/strong>\u5ba4\u6e29\u585e\u8d1d\u514b\u7cfb\u6570\u548c\u8f7d\u6d41\u5b50\u6d53\u5ea6\u5173\u7cfb\u56fe\uff0c\u4e0d\u540c\u4f53\u7cfb\u6750\u6599\u585e\u8d1d\u514b\u7cfb\u6570\u5bf9\u6bd4\u53ca<\/strong>Pisarenko<\/strong>\u7ebf\uff0c<\/strong>(e)<\/strong>\u6001\u5bc6\u5ea6\u6709\u6548\u8d28\u91cf\u548c\u4f18\u5316\u540e\u8f7d\u6d41\u5b50\u6d53\u5ea6\u5173\u7cfb\u56fe\uff0c<\/strong>(f)<\/strong>\u529f\u7387\u56e0\u5b50<\/strong><\/p>\n

Al\u63ba\u6742\u5728SnTe\u8d39\u7c73\u80fd\u7ea7\u9644\u8fd1\u5bfc\u81f4\u5f3a\u7684\u6001\u5bc6\u5ea6\u5cf0\uff0c\u4ece\u800c\u63d0\u9ad8\u6001\u5bc6\u5ea6\u6709\u6548\u8d28\u91cf\uff0c\u540c\u65f6\u63d0\u5347\u4e86\u6700\u4f18\u8f7d\u6d41\u5b50\u6d53\u5ea6\uff0c\u4f7f\u5f97\u6700\u4f18\u8f7d\u6d41\u5b50\u6d53\u5ea6\u9760\u8fd1\u63ba\u6742\u8f7d\u6d41\u5b50\u6d53\u5ea6\uff0c\u540c\u65f6\u5f3a\u7684\u6001\u5bc6\u5ea6\u5cf0\u8fdb\u4e00\u6b65\u63d0\u5347\u4e86Seebeck\u7cfb\u6570\uff0c\u5927\u5e45\u63d0\u5347\u4e86SnTe\u6750\u6599\u5ba4\u6e29\u53ca\u5bbd\u6e29\u57df\u529f\u7387\u56e0\u5b50\u3002<\/p>\n

\"\"<\/a><\/p>\n

\u56fe<\/strong>5 Sn1.03-x-y<\/sub>Alx<\/sub>Sby<\/sub>Te\u2013z%AgBiTe2<\/sub><\/strong>\u7684\u70ed\u6027\u80fd\u6d4b\u8bd5\uff0c<\/strong>(a)<\/strong>\u603b\u70ed\u5bfc\u7387<\/strong>(kT<\/sub>)<\/strong>\uff0c<\/strong>(b)<\/strong>\u6676\u683c\u70ed\u5bfc\u7387<\/strong>(kL<\/sub>)<\/strong>\uff0c<\/strong>(c)kL<\/sub><\/strong>\u4e0e\u76f8\u5173\u62a5\u9053\u5bf9\u6bd4\uff0c<\/strong>(d)<\/strong>\u6839\u636e<\/strong>Callaway<\/strong>\u6a21\u578b\u8ba1\u7b97\u7684<\/strong>kL<\/sub><\/strong>\u3002<\/strong><\/p>\n

\u5bc6\u96c6\u578b\u4f4d\u9519\u7ed3\u5408\u70b9\u7f3a\u9677\u6563\u5c04\u58f0\u5b50\uff0c\u5c06\u6676\u683c\u70ed\u5bfc\u7387\u964d\u4f4e\u81f30.32Wm-1<\/sup>K-1<\/sup>\uff0c\u63a5\u8fd1\u7406\u8bba\u8ba1\u7b97\u7684SnTe\u6750\u6599\u975e\u6676\u6781\u9650\u503c\u3002<\/p>\n

\"\"<\/a><\/p>\n

\u56fe<\/strong>6 Sn1.03-x-y<\/sub>Alx<\/sub>Sby<\/sub>Te\u2013z%AgBiTe2<\/sub><\/strong>\u7684\u5fae\u89c2\u5f62\u8c8c\u6d4b\u8bd5<\/strong><\/p>\n

\u63ba\u6742\u5143\u7d20\u8f83\u5927\u7684\u5c3a\u5bf8\u5dee\u5f02\u5f62\u6210\u4e86\u5927\u91cf\u5bc6\u96c6\u578b\u4f4d\u9519\uff0cMWH\u6cd5\u7edf\u8ba1\u7684\u4f4d\u9519\u5bc6\u5ea6\u8fbe2.9\u00d71015<\/sup> m-2<\/sup>\uff0c\u5bc6\u96c6\u578b\u4f4d\u9519\u5bfc\u81f4\u7684\u6676\u683c\u5e94\u53d8\u6709\u5229\u4e8e\u6291\u5236\u6750\u6599\u6676\u683c\u70ed\u5bfc\u7387\u3002<\/p>\n

\"\"<\/a><\/p>\n

\u56fe<\/strong>7<\/strong>\u6750\u6599\u70ed\u7535\u6027\u80fd\u4e0e\u5668\u4ef6\u8fd1\u5ba4\u6e29\u80fd\u91cf\u8f6c\u6362\u6548\u7387<\/strong> (a)<\/strong>\u70ed\u7535\u4f18\u503c<\/strong>(ZT)<\/strong>\uff0c<\/strong>(b)<\/strong>\u5e73\u5747<\/strong>ZT(300-873K) <\/strong>\u4e0e\u6709\u5173\u62a5\u9053\u7684\u6bd4\u8f83\uff0c<\/strong>(c)<\/strong>\u3001<\/strong>(d)<\/strong>\u7b80\u7ea6\u8d39\u7c73\u80fd\u7ea7\u4e0e<\/strong>ZT<\/strong>\u503c\u5173\u7cfb<\/strong>(300K<\/strong>\u3001<\/strong>673 K)<\/strong>\uff0c<\/strong>(e)17<\/strong>\u5bf9\u70ed\u7535\u5668\u4ef6\u8fd1\u5ba4\u6e29\u80fd\u91cf\u8f6c\u6362\u6548\u7387\uff0c<\/strong>(f) 17<\/strong>\u5bf9\u70ed\u7535\u5668\u4ef6\u8fd1\u5ba4\u6e29\u80fd\u91cf\u8f6c\u6362\u6548\u7387\u4e0e\u6709\u5173\u62a5\u9053\u7684\u6bd4\u8f83<\/strong><\/p>\n

\u8be5\u7535\u58f0\u534f\u540c\u8c03\u63a7\u7b56\u7565\u4f7f\u5f97SnTe\u6750\u6599\u5177\u6709\u4f18\u5f02\u5ba4\u6e29\u548c\u5bbd\u6e29\u57df\u70ed\u7535\u6027\u80fd\uff0c\u5176\u5ba4\u6e29ZT\u503c\u8fbe\u52300.36\uff0c\u5168\u6e29\u533a\u5e73\u5747ZT\u8fbe\u52301.15\u7684\u8bb0\u5f55\u503c\u3002\u5bbd\u6e29\u57df\u70ed\u7535\u6027\u80fd\u7684\u63d0\u5347\u6709\u6548\u63d0\u9ad8\u4e86SnTe\u5668\u4ef6\u8fd1\u5ba4\u6e29\u8f6c\u6362\u6548\u7387\uff0c350 K\u4f4e\u6e29\u5dee\u4e0b\uff0c17\u5bf9\u591a\u817f\u70ed\u7535\u5668\u4ef6\u7684\u8f6c\u6362\u6548\u7387\u8fbe\u52305.4%\u3002\u00a0<\/strong><\/p>\n

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

\u7efc\u4e0a\u6240\u8ff0\uff0c\u8be5\u7814\u7a76\u4e3a\u4f18\u5316\u5177\u6709\u9ad8\u672c\u5f81\u8f7d\u6d41\u5b50\u6d53\u5ea6\u70ed\u7535\u6750\u6599\u4f53\u7cfb\u6027\u80fd\u63d0\u4f9b\u4e86\u65b0\u601d\u8def\u3002\u57fa\u4e8e\u8f68\u9053\u80fd\u91cf\u5dee\u4e0e\u5c3a\u5bf8\u5dee\u9009\u62e9\u63ba\u6742\u5143\u7d20\uff0c\u5bfc\u81f4\u8d39\u7c73\u9762\u9644\u8fd1\u6001\u5bc6\u5ea6\u5cf0\u4ee5\u63d0\u5347\u8d39\u7c73\u80fd\u7ea7\u9644\u8fd1\u7684\u6001\u5bc6\u5ea6\u6709\u6548\u8d28\u91cf\uff0c\u4ece\u800c\u63d0\u5347\u6700\u4f18\u8f7d\u6d41\u5b50\u6d53\u5ea6\u533a\u95f4\uff0c\u5b9e\u73b0\u70ed\u7535\u6027\u80fd\u6700\u5927\u5316\u3002\u5229\u7528\u8fd9\u4e00\u65b9\u6cd5\u5728SnTe\u4f53\u7cfb\u83b7\u5f97\u4e86\u4f18\u5f02\u5ba4\u6e29\u548c\u5bbd\u6e29\u57df\u70ed\u7535\u6027\u80fd\uff0c\u5176\u5ba4\u6e29ZT\u503c\u8fbe\u52300.36\uff0c\u5168\u6e29\u533a\u5e73\u5747ZT\u8fbe\u52301.15\u7684\u8bb0\u5f55\u503c\u3002SnTe\u591a\u817f\u70ed\u7535\u5668\u4ef6\u8fd1\u5ba4\u6e29\u8f6c\u6362\u6548\u7387\u663e\u8457\u63d0\u5347\u52305.4%\uff0c\u4f18\u4e8e\u5546\u4e1a\u5e94\u7528Bi2<\/sub>Te3<\/sub>\u5668\u4ef6\u7684\u80fd\u91cf\u8f6c\u6362\u6548\u7387\uff0c\u8fdb\u4e00\u6b65\u62d3\u5bbd\u4e86SnTe\u6750\u6599\u7684\u8fd1\u5ba4\u6e29\u5e94\u7528\u3002\u4e3a\u5f00\u53d1\u9ad8\u6548\u70ed\u7535\u6750\u6599\u4e0e\u5668\u4ef6\u63d0\u4f9b\u4e86\u91cd\u8981\u501f\u9274\u3002<\/p>\n

\u672c\u6587\u4e3b\u8981\u5185\u5bb9\u6765\u6e90\uff1a<\/p>\n

https:\/\/doi.org\/10.1038\/s41467-024-53599-2<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5bfc\u8bfb\u3011 \u70ed\u7535\u8f6c\u6362\u6280\u672f\u662f\u4e00\u79cd\u5229\u7528\u534a\u5bfc\u4f53\u6750\u6599\u76f4\u63a5\u5c06\u70ed\u80fd\u4e0e\u7535\u80fd\u8fdb\u884c\u76f8\u4e92\u8f6c\u6362\u7684\u201c\u7eff\u8272\u201d\u80fd\u6e90\u6280\u672f\u3002\u70ed\u7535\u8f6c\u6362\u6280\u672f\u51ed\u501f\u5176\u65e0\u9700\u4f20\u52a8\u90e8\u4ef6\u3001\u8fd0\u884c\u5b89\u9759\u3001\u5c3a\u5bf8\u5c0f\u3001\u65e0\u6c61\u67d3\u3001\u65e0\u78e8\u635f\u3001\u53ef\u9760…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-263128","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/263128"}],"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\/2"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=263128"}],"version-history":[{"count":2,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/263128\/revisions"}],"predecessor-version":[{"id":263137,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/263128\/revisions\/263137"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=263128"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=263128"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=263128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}