{"id":262324,"date":"2024-09-02T06:49:06","date_gmt":"2024-09-01T22:49:06","guid":{"rendered":"\/\/m.iemloyee.com\/?p=262324"},"modified":"2024-09-01T19:58:17","modified_gmt":"2024-09-01T11:58:17","slug":"acta-materialia-%e5%90%88%e7%90%86%e4%b8%89%e9%87%8d%e4%bc%98%e5%8c%96%e6%8f%90%e9%ab%98bise%e8%bf%91%e5%ae%a4%e6%b8%a9%e7%83%ad%e7%94%b5%e6%80%a7%e8%83%bd","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=262324","title":{"rendered":"Acta Materialia: \u5408\u7406\u4e09\u91cd\u4f18\u5316\u63d0\u9ad8BiSe\u8fd1\u5ba4\u6e29\u70ed\u7535\u6027\u80fd"},"content":{"rendered":"<p>\u3010\u5bfc\u8bfb\u3011<\/p>\n<p>\u70ed\u7535\u6750\u6599\u548c\u5668\u4ef6\u53ef\u4ee5\u5b9e\u73b0\u7535\u80fd\u548c\u70ed\u80fd\u7684\u76f4\u63a5\u8f6c\u6362\uff0c\u4f7f\u5b83\u4eec\u6210\u4e3a\u6709\u6548\u7684\u8f85\u52a9\u6280\u672f\u4ee5\u8865\u5145\u5176\u4ed6\u7eff\u8272\u80fd\u6e90\u8f6c\u6362\u6280\u672f\uff0c\u5982\u592a\u9633\u80fd\u548c\u5730\u70ed\u80fd\u8f6c\u6362\uff0c\u4ee5\u6709\u6548\u5730\u56de\u6536\u81ea\u7136\u754c\u4e2d\u7684\u5e9f\u70ed\u3002BiSe\u662f\u4e00\u7c7bn\u578b\u5f31\u62d3\u6251\u7edd\u7f18\u4f53\uff0c\u4ee3\u8868\u4e86\u4e00\u79cd\u5728\u8fd1\u5ba4\u6e29\u4e0b\u5177\u6709\u70ed\u7535\u6f5c\u529b\u7684\u65b0\u6750\u6599\u3002\u5728\u8fd9\u79cd\u6750\u6599\u4e2d\uff0c\u7531\u4e8eBi\u53cc\u5c42\u7684\u5c40\u90e8\u4f4e\u9891\u632f\u52a8\u5f15\u53d1\u7684\u5149\u5b66\u58f0\u5b50\u548c\u58f0\u5b66\u58f0\u5b50\u4e4b\u95f4\u7684\u8026\u5408\u5bfc\u81f4\u58f0\u5b50\u7fa4\u901f\u5ea6\u548c\u5e73\u5747\u81ea\u7531\u7a0b\u7684\u964d\u4f4e\uff0c\u6700\u7ec8\u5b9e\u73b0\u4e86\u6781\u4f4e\u7684<em>\u03ba<\/em><sub>l<\/sub>\u3002\u7136\u800c\uff0c\u7f3a\u70b9\u5728\u4e8e\u5f15\u5165\u4e86Bi\u53cc\u5c42\uff0c\u5bfc\u81f4\u521d\u59cb\u8f7d\u6d41\u5b50\u6d53\u5ea6<em>n<\/em><sub>e<\/sub>\u5f88\u9ad8\uff0c\u5bfc\u81f4<em>\u03c3<\/em>\u8fc7\u9ad8\uff0c<em>S<\/em>\u76f8\u5bf9\u8f83\u4f4e\u3002\u56e0\u6b64\uff0c\u8fdb\u4e00\u6b65\u964d\u4f4e<em>n<\/em><sub>e<\/sub>\u53d8\u5f97\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p>\u3010\u6210\u679c\u63a0\u5f71\u3011<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262326\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72471-2.png\" alt=\"\" width=\"627\" height=\"243\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72471-2.png 627w, \/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72471-2-300x116.png 300w\" sizes=\"(max-width: 627px) 100vw, 627px\" \/><\/p>\n<p>\u8fd1\u65e5\uff0c\u5357\u4eac\u5de5\u4e1a\u5927\u5b66\u548c\u6606\u58eb\u5170\u79d1\u6280\u5927\u5b66\u4e24\u6240\u5b66\u6821\u5171\u540c\u5408\u4f5c\uff0c\u901a\u8fc7\u8bbe\u8ba1\u4e86\u4e00\u4e2a\u5408\u7406\u7684\u4e09\u91cd\u4f18\u5316\u8fc7\u7a0b\u6765\u63d0\u9ad8\u591a\u6676BiSe\u7684\u70ed\u7535\u4f18\u503c(<em>ZT<\/em>)\uff0c\u5728475K\u65f6\u9ad8\u8fbe0.84\uff0c\u521b\u4e0b\u4e86\u5f53\u524d\u7684\u6700\u9ad8\u8bb0\u5f55\u3002\u9996\u5148\uff0c\u901a\u8fc7\u526a\u5207\u5265\u79bb\u6280\u672f\u4f7f\u70e7\u7ed3\u7684\u591a\u6676\u6750\u6599\u7684Bi\u7a7a\u4f4d\u589e\u52a0\uff0c\u6676\u754c\u66f4\u52a0\u81f4\u5bc6\u3002\u968f\u540eSb\u5728Bi\u4f4d\u70b9(Sb<sub>Bi<\/sub>)\u7684\u7b49\u6548\u53d6\u4ee3\u6269\u5927\u4e86\u5e26\u9699\uff0c\u800cSn\u5728Bi\u4f4d\u70b9(Sn<sub>Bi<\/sub>)\u7684\u4e8c\u6b21\u63ba\u6742\u5b9e\u73b0\u4e86\u53d7\u4e3b\u63ba\u6742\uff0c\u8fdb\u4e00\u6b65\u964d\u4f4e\u4e86\u7535\u5bfc\u7387,\u63d0\u9ad8\u4e86\u585e\u8d1d\u514b\u7cfb\u6570\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u529f\u7387\u56e0\u6570\u3002\u6b64\u5916\uff0c\u8fd9\u79cd\u4e09\u91cd\u4f18\u5316\u8fc7\u7a0b\u7cfb\u7edf\u5730\u5f15\u5165\u4e86\u5404\u79cd\u6676\u4f53\u548c\u6676\u683c\u7f3a\u9677\uff0c\u6709\u6548\u5730\u6563\u5c04\u4e0d\u540c\u6ce2\u957f\u7684\u58f0\u5b50\u4ee5\u964d\u4f4e\u6676\u683c\u70ed\u5bfc\u7387\uff0c\u6700\u7ec8\u5bfc\u81f4<em>ZT<\/em>\u663e\u8457\u589e\u52a0235%\u3002\u8fd9\u9879\u5de5\u4f5c\u4e3a\u6709\u6548\u63d0\u9ad8\u5c42\u72b6\u70ed\u7535\u6750\u6599\u7684\u6027\u80fd\u63d0\u4f9b\u4e86\u65b0\u7684\u89c1\u89e3\u3002\u76f8\u5173\u7814\u7a76\u7ed3\u679c\u8fd1\u65e5\u4ee5\u9898\u4e3a\u201cRational triple optimizations boost near-room-temperature thermoelectric performance of BiSe\u201d\u53d1\u8868\u5728\u91d1\u5c5e\u6750\u6599\u9876\u520aActa Materialia\u4e0a\u3002\u5176\u4e2d\u5357\u4eac\u5de5\u4e1a\u5927\u5b66\u7855\u58eb\u751f\u5218\u6167\u548c\u6606\u58eb\u5170\u79d1\u6280\u5927\u5b66\u53f2\u6653\u78ca\u7814\u7a76\u5458\u4e3a\u5171\u540c\u7b2c\u4e00\u4f5c\u8005\uff0c\u5357\u4eac\u5de5\u4e1a\u5927\u5b66\u6f58\u6797\u526f\u6559\u6388\u3001\u738b\u4e00\u5cf0\u6559\u6388\u548c\u6606\u58eb\u5170\u79d1\u6280\u5927\u5b66\u9648\u5fd7\u521a\u6559\u6388\u4e3a\u5171\u540c\u901a\u8baf\u4f5c\u8005\u3002<\/p>\n<p>\u8bba\u6587DOI: <a href=\"https:\/\/doi.org\/10.1016\/j.actamat.2024.120343\">https:\/\/doi.org\/10.1016\/j.actamat.2024.120343<\/a><\/p>\n<p>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262327\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72472-2.png\" alt=\"\" width=\"600\" height=\"560\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72472-2.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72472-2-300x280.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u56fe1\u6240\u793a\u3002\u4ecb\u7ecd\u4e86\u63d0\u9ad8BiSe\u8fd1\u5ba4\u6e29\u70ed\u7535\u6027\u80fd\u7684\u6709\u6548\u4e09\u91cd\u7b56\u7565\u3002(a)\u526a\u5207\u5265\u79bb\u3001Sb\u7b49\u4ef7\u63ba (Sb<sub>Bi<\/sub>)\u548cSn\u53d7\u4e3b\u63ba\u6742(Sn<sub>Bi<\/sub>)\u4e09\u91cd\u7b56\u7565\u7684\u8bf4\u660e\u3002\u5176\u4e2dSPS\u4e3a\u653e\u7535\u7b49\u79bb\u5b50\u4f53\u70e7\u7ed3\u7684\u7f29\u5199\uff0c<em>\u03c3<\/em>\u4e3a\u7535\u5bfc\u7387\uff0c|<em>S<\/em>|\u4e3a\u7edd\u5bf9\u585e\u8d1d\u514b\u7cfb\u6570\uff0c<em>\u03ba<\/em><sub>l<\/sub>\u4e3a\u6676\u683c\u70ed\u5bfc\u7387\uff0c<em>\u03ba<\/em><sub>e<\/sub>\u4e3a\u7535\u5b50\u70ed\u5bfc\u7387\u3002(b)\u4e09\u91cd\u7b56\u7565\u540eBiSe\u7684\u6e29\u5ea6\u4e0e\u70ed\u7535\u4f18\u503c<em>ZT<\/em>\u7684\u5173\u7cfb\u3002\u8fd9\u91cc\u7684\u201cunsh\u201d\u548c\u201csh\u201d\u5206\u522b\u662f\u6307\u6ca1\u6709\u526a\u5207\u5265\u79bb\u548c\u6709\u526a\u5207\u5265\u79bb\u8fc7\u7a0b\u7684BiSe\u3002(c) \u672c\u6587\u4e0e\u6587\u732e\u62a5\u9053\u7684\u6700\u5927<em>ZT <\/em>(<em>ZT<\/em><sub>max<\/sub>)\u6bd4\u8f83<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262328\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72473-2.png\" alt=\"\" width=\"600\" height=\"614\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72473-2.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72473-2-293x300.png 293w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u56fe 2\u3002 BiSe\u7684\u8ba1\u7b97\u7ed3\u679c\u3002\u8ba1\u7b97\u4e86\u7535\u5b50\u80fd\u5e26\u7ed3\u6784 (a) \u672c\u5f81BiSe (Bi<sub>6<\/sub>Se<sub>6<\/sub>) \u548c (b-c) Sb\u63ba\u6742BiSe (Bi<sub>5<\/sub>SbSe<sub>6<\/sub>)\uff0c\u5176\u4e2dSb\u5360Bi\u7684\u4e0d\u540c\u4f4d\u7f6e\u3002\u8fd9\u91cc\u7684Bi<sub>5<\/sub>SbSe<sub>6<\/sub>-1 \u8868\u793aSb<sub>Bi<\/sub>\u6765\u81eaBi<sub>2<\/sub>Se<sub>3<\/sub> \u5c42\uff0cBi<sub>5<\/sub>SbSe<sub>6<\/sub>-2\u8868\u793aSb<sub>Bi<\/sub>\u6765\u81eaBi\u53cc\u5c42\u3002(d-i) Sn\/Sb\u5171\u63ba\u6742BiSe (Bi<sub>4<\/sub>SbSnSe<sub>6<\/sub>)\u7684\u80fd\u5e26\u7ed3\u6784\u8ba1\u7b97\u3002\u8fd9\u91cc\u7684Bi<sub>4<\/sub>SbSnSe<sub>6<\/sub>-1a\u3001Bi<sub>4<\/sub>SbSnSe<sub>6<\/sub>-1b\u548cBi<sub>4<\/sub>SbSnSe<sub>6<\/sub>-1c\u8868\u793aSn\u63ba\u6742Bi\u7684\u4e0d\u540c\u4f4d\u7f6e\u662f\u57fa\u4e8eBi<sub>5<\/sub>SbSe<sub>6<\/sub>\uff0c\u5373Sb<sub>Bi<\/sub>\uff0c\u5176\u4e2dSb\u53d6\u4ee3\u4e86Bi<sub>2<\/sub>Se<sub>3<\/sub>\u5c42\u7684Bi\u3002\u800cBi<sub>4<\/sub>SbSnSe<sub>6<\/sub>-2a\u548cBi<sub>4<\/sub>SbSnSe<sub>6<\/sub>-2b\u3001Bi<sub>4<\/sub>SbSnSe<sub>6<\/sub>-2c\u8868\u793aSn\u63ba\u6742\u57fa\u4e8eBi<sub>5<\/sub>SbSe<sub>6<\/sub>\uff0c\u5373Sb<sub>Bi<\/sub>\uff0c\u5bf9\u4e8e\u4e0d\u540cSn<sub>Bi<\/sub>\u4f4d\u7f6eSb\u53d6\u4ee3\u7684\u662f\u94cb\u53cc\u5c42\u4e2dBi\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262329\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72474-2.png\" alt=\"\" width=\"600\" height=\"532\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72474-2.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72474-2-300x266.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u56fe3\u3002 BiSe\u7684\u7269\u76f8\u7279\u5f81\u548c\u5149\u5b66\u5438\u6536\u5149\u8c31\u3002(a)\u7ecf\u8fc7\u526a\u5207\u5265\u79bb\u548c\u672a\u7ecf\u8fc7\u526a\u5207\u5265\u79bb\u7684BiSe\u548cBi<sub>0.85<\/sub>Sb<sub>0.15<\/sub>Se\u7684X\u5c04\u7ebf\u884d\u5c04\u56fe(XRD)\u3002(b)\u4e0d\u540cSb\u63ba\u6742\u6d53\u5ea6\u4e0b\u7ecf\u8fc7\u526a\u5207\u5904\u7406\u7684BiSe\u7684XRD\u56fe\u8c31\u3002(c)\u4e0d\u540cSn\u63ba\u6742\u6d53\u5ea6\u4e0b\u7684Bi<sub>0.85<\/sub>Sb<sub>0.15<\/sub>Se\u7ecf\u8fc7\u526a\u5207\u5904\u7406\u7684XRD\u56fe\u8c31\u3002(d)\u4e0d\u540cBiSe\u6837\u54c1\u7684\u5149\u5b66\u5438\u6536\u5149\u8c31\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262330\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72475-2.png\" alt=\"\" width=\"600\" height=\"610\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72475-2.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72475-2-295x300.png 295w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u56fe4\u3002 BiSe\u7684\u7ed3\u6784\u7279\u5f81\u53caBi<sub>0.75<\/sub>Sb<sub>0.15<\/sub>Sn<sub>0.1<\/sub>Se\u4e2d\u4e0d\u540c\u5143\u7d20\u7684\u4ef7\u6001\u3002\u65ad\u88c2\u9762\u626b\u63cf\u7535\u955c(SEM)\u56fe (a)\u65e0\u526a\u5207\u5265\u843d\u7684BiSe,(b)\u526a\u5207\u5265\u843d\u7684BiSe,\u548c(c)\u526a\u5207\u5265\u843d\u7684Bi<sub>0.75<\/sub>Sb<sub>0.15<\/sub>Sn<sub>0.1<\/sub>Se\u3002(d)\u805a\u7126\u79bb\u5b50\u675f(FIB)\u6280\u672f\u5236\u5907\u7684Bi<sub>0.75<\/sub>Sb<sub>0.15<\/sub>Sn<sub>0.1<\/sub>Se\u526a\u5207\u5265\u79bb\u5207\u7247\u6837\u54c1\u7684\u900f\u5c04\u7535\u955c(TEM)\u660e\u573a(BF)\u56fe\u50cf\u3002(e) Bi\u3001Se\u3001Sb\u548cSn\u5143\u7d20\u5bf9\u5e94\u7684\u80fd\u91cf\u8272\u6563X\u5c04\u7ebf\u80fd\u8c31\u56fe\u3002\u526a\u5207\u5265\u79bbBi<sub>0.75<\/sub>Sb<sub>0.15<\/sub>Sn<sub>0.1<\/sub>Se\u7684X\u5c04\u7ebf\u5149\u7535\u5b50\u80fd\u8c31(XPS)\u7ed3\u679c\u4e3a(f) Bi 4<em>f<\/em>, (g) Sb 3<em>d<\/em>, (h) Sn 3<em>d<\/em>, \u548c (i) Se 3<em>d<\/em>\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262331\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72476-2.png\" alt=\"\" width=\"600\" height=\"553\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72476-2.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72476-2-300x277.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u56fe 5\u3002 \u672a\u526a\u5207\u5265\u79bb\u548c\u526a\u5207\u5265\u79bb\u7684BiSe\u7684\u5fae\/\u7eb3\u7c73\u7ed3\u6784\u7279\u5f81\u3002(a) \u5229\u7528FIB\u6280\u672f\u5236\u5907\u7684\u65e0\u526a\u5207\u5265\u79bbBiSe\u5207\u7247\u6837\u54c1\u7684TEM-BF\u56fe\u50cf\u3002\u7ea2\u8272\u7bad\u5934\u8868\u793a\u6f5c\u5728\u754c\u9762\uff0c\u7eff\u8272\u7bad\u5934\u8868\u793a\u5b58\u5728\u5bf9\u6bd4\u5ea6\u5dee\u5f02\u7684\u533a\u57df\u3002(b) \u53d6\u81eaa\u7684\u5bf9\u5e94\u7684\u653e\u5927\u7684TEM\u56fe\u50cf\u3002\u9ec4\u8272\u7bad\u5934\u8868\u793a\u6f5c\u5728\u7684\u6676\u4f53\u7f3a\u9677\u3002(c) \u53d6\u81eab\u7684\u9ad8\u5206\u8fa8\u7387TEM (HRTEM)\u56fe\u50cf\u3002(d) \u53d6\u81eab\u7684\u6676\u683c\u7f3a\u9677HRTEM\u56fe\u50cf\u3002(e) \u91c7\u7528FIB\u6280\u672f\u5236\u5907\u7684\u526a\u5207\u5265\u79bbBiSe\u7684\u6697\u573a(DF)\u548c(f) BF\u56fe\u50cf\u3002\u84dd\u8272\u7bad\u5934\u8868\u793a\u5bf9\u6bd4\u5ea6\u4e0d\u540c\u7684\u533a\u57df\u3002(g) \u53d6\u81eaf\u7684\u653e\u5927\u7684TEM\u56fe\u50cf\u3002(h) \u53d6\u81ea\u9ad8\u5ea6\u7578\u53d8\u533a\u57df\u7684TEM\u56fe\u50cf\u3002(i) \u53d6\u81eah\u7684\u9ad8\u5206\u8fa8\u7387\u7403\u9762\u50cf\u5dee\u6821\u6b63\u626b\u63cfTEM (Cs-STEM) BF\u56fe\u50cf\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262332\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72477-1.png\" alt=\"\" width=\"600\" height=\"556\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72477-1.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72477-1-300x278.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u56fe 6\u3002 \u526a\u5207\u5265\u79bb\u7684 Bi<sub>0.75<\/sub>Sb<sub>0.15<\/sub>Sn<sub>0.10<\/sub>Se\u7684\u5fae\/\u7eb3\u7c73\u7ed3\u6784\u7279\u5f81\u3002(a) \u7528FIB\u6280\u672f\u5236\u5907\u7684\u5207\u7247\u6837\u54c1\u7684TEM\u56fe\u50cf\u3002\u7ea2\u8272\u7bad\u5934\u8868\u793a\u5b58\u5728\u5bf9\u6bd4\u5ea6\u5dee\u5f02\u7684\u533a\u57df\u3002(b) \u76f8\u5e94\u7684\u653e\u5927TEM\u56fe\u50cf\u3002\u7eff\u8272\u7bad\u5934\u8868\u793a\u6f5c\u5728\u8fb9\u754c\uff0c\u84dd\u8272\u7bad\u5934\u8868\u793a\u9ad8\u5ea6\u7578\u53d8\u533a\u57df\u3002(c) \u5c0f\u89d2\u5ea6\u6676\u754c\u7684HRTEM\u56fe\u50cf\u3002(d) \u76f8\u5e94\u7684\u9009\u533a\u7535\u5b50\u884d\u5c04(SAED)\u56fe\u6848\u3002(e) \u5927\u89d2\u5ea6\u6676\u754c\u7684HRTEM\u56fe\u50cf\u3002(f) \u76f8\u5e94\u7684\u653e\u5927HRTEM\u56fe\u50cf\u3002\u7bad\u5934\u8868\u793a\u6676\u754c\u5904\u6f5c\u5728\u7684\u6676\u683c\u7578\u53d8\u3002(g) \u53d6\u81eab\u4e2d\u9ad8\u5ea6\u7578\u53d8\u533a\u57df\u7684HRTEM\u56fe\u50cf\u3002 (h-i) \u4ece\u4e24\u4e2a\u4e0d\u540c\u7684\u9ad8\u5ea6\u626d\u66f2\u533a\u57df\u62cd\u6444\u7684Cs-STEM BF\u56fe\u50cf\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262333\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72478-1.png\" alt=\"\" width=\"600\" height=\"858\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72478-1.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72478-1-210x300.png 210w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u56fe7\u3002BiSe\u548cBi<sub>0.85<\/sub>Sb<sub>0.15<\/sub>Se\u526a\u5207\u5265\u79bb\u524d\u540e\u7684\u70ed\u7535\u6027\u80fd\u3002\u6e29\u5ea6\u4f9d\u8d56\u6027 (a) <em>\u03c3<\/em>\uff0c(b) <em>S<\/em>\uff0c(c)\u529f\u7387\u56e0\u6570<em>S<\/em><sup>2<\/sup><em>\u03c3<\/em>\uff0c(d)\u5bfc\u70ed\u7cfb\u6570<em>\u03ba<\/em>\uff0c(e) <em>\u03ba<\/em><sub>l<\/sub>\uff0c(f) <em>ZT<\/em>\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262334\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72479-1.png\" alt=\"\" width=\"600\" height=\"562\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72479-1.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2024\/09\/\u56fe\u72479-1-300x281.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u56fe8\u3002\u526a\u5207\u5265\u79bbBi<sub>0.85\u2212<em>x<\/em><\/sub>Sb<sub>0.15<\/sub>Sn<em><sub>x<\/sub><\/em>Se (<em>x<\/em> = 0, 0.05, 0.10\u548c0.15)\u7684\u70ed\u7535\u6027\u8d28\u3002\u4e0e\u6e29\u5ea6\u76f8\u5173\u7684 (a) <em>\u03c3<\/em>\uff0c (b) <em>S<\/em>\uff0c\u548c(c) <em>S<\/em><sup>2<\/sup><em>\u03c3<\/em>\u3002\u4e0e<em>x<\/em>\u6709\u5173\u7684\u5ba4\u6e29\u6761\u4ef6\u4e0b\u7684 (d) \u8f7d\u6d41\u5b50\u6d53\u5ea6<em>n<\/em><sub>e<\/sub>\u548c\u8fc1\u79fb\u7387<em>\u03bc<\/em>\uff0c\u548c (e) \u6709\u6548\u8d28\u91cf<em>m<\/em><sup>*<\/sup>\u548c\u53d8\u5f62\u52bf<em>E<\/em><sub>def<\/sub>\u3002\u4e0e\u6e29\u5ea6\u76f8\u5173\u7684 (f) <em>\u03ba<\/em>\uff0c(g) <em>\u03ba<\/em><sub>1<\/sub>\uff0c(h)<em> ZT<\/em>\u3002(i) \u7406\u8bba\u9884\u6d4b<em>ZT<\/em>\u4e0e\u5b9e\u9a8c<em>ZT<\/em>\u968f<em>n<\/em><sub>e<\/sub>\u7684\u51fd\u6570\u6bd4\u8f83\u3002<\/p>\n<p>\u3010\u603b\u7ed3\u3011<\/p>\n<p>\u4f5c\u8005\u91c7\u7528\u4e86\u4e00\u79cd\u7cfb\u7edf\u7684\u4e09\u91cd\u4f18\u5316\u65b9\u6cd5\uff0c\u5728\u526a\u5207\u5265\u843dBiSe\u591a\u6676\u4e2d\u5171\u63ba\u6742Sb\u548cSn\u5b9e\u73b0\u4e86\u521b\u7eaa\u5f55\u76840.84\u7684<em>ZT<\/em>\u503c\u5728475 K\u65f6\u3002\u526a\u5207\u5265\u843d\u8fc7\u7a0b\u589e\u52a0\u4e86\u70e7\u7ed3\u591a\u6676\u4e2d\u7684V<sub>Bi<\/sub>\uff0c\u5e76\u4f7f\u6676\u754c\u66f4\u81f4\u5bc6\u3002\u8fd9\u6709\u6548\u5730\u51cf\u5c11\u4e86\u8fc7\u591a\u7684<em>n<\/em><sub>e<\/sub>\uff0c\u589e\u5f3a\u4e86\u8f7d\u6d41\u5b50\u6563\u5c04\uff0c\u5bfc\u81f4<em>\u03c3<\/em>\u663e\u8457\u964d\u4f4e\uff0c<em>S<\/em>\u663e\u8457\u589e\u52a0\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86<em>S<\/em><sup>2<\/sup><em>\u03c3<\/em>\u3002Sb<sub>Bi<\/sub>\u4f7f\u5e26\u9699\u53d8\u5bbd\uff0cSn<sub>Bi<\/sub>\u6709\u5229\u4e8e\u53d7\u4e3b\u63ba\u6742\uff0c\u8fdb\u4e00\u6b65\u964d\u4f4e<em>n<\/em><sub>e<\/sub>\uff0c\u63d0\u9ad8<em>S<\/em>\uff0c\u4ece\u800c\u63d0\u9ad8<em>S<\/em><sup>2<\/sup><em>\u03c3<\/em>\u3002\u6b64\u5916\uff0c\u8fd9\u79cd\u4e09\u91cd\u4f18\u5316\u8fc7\u7a0b\u7cfb\u7edf\u5730\u5f15\u5165\u4e86\u5404\u79cd\u6676\u4f53\u548c\u6676\u683c\u7f3a\u9677\uff0c\u6709\u6548\u5730\u6563\u5c04\u4e86\u4e0d\u540c\u6ce2\u957f\u7684\u58f0\u5b50\uff0c\u964d\u4f4e\u4e86<em>\u03ba<\/em><sub>l<\/sub>\u3002\u56e0\u6b64\uff0c\u8fd9\u5bfc\u81f4<em>ZT<\/em>\u663e\u8457\u589e\u52a0235%\u3002<\/p>\n<p>\u539f\u6587\u8be6\u60c5: \u201cRational triple optimizations boost near-room-temperature thermoelectric performance of BiSe\u201d (Acta Materialia,2024,120343)<\/p>\n<p>\u672c\u6587\u7531\u8bba\u6587\u4f5c\u8005\u56e2\u961f\u4f9b\u7a3f<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u5bfc\u8bfb\u3011 \u70ed\u7535\u6750\u6599\u548c\u5668\u4ef6\u53ef\u4ee5\u5b9e\u73b0\u7535\u80fd\u548c\u70ed\u80fd\u7684\u76f4\u63a5\u8f6c\u6362\uff0c\u4f7f\u5b83\u4eec\u6210\u4e3a\u6709\u6548\u7684\u8f85\u52a9\u6280\u672f\u4ee5\u8865\u5145\u5176\u4ed6\u7eff\u8272\u80fd\u6e90\u8f6c\u6362\u6280\u672f\uff0c\u5982\u592a\u9633\u80fd\u548c\u5730\u70ed\u80fd\u8f6c\u6362\uff0c\u4ee5\u6709\u6548\u5730\u56de\u6536\u81ea\u7136\u754c\u4e2d\u7684\u5e9f\u70ed\u3002Bi&#8230;<\/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-262324","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/262324"}],"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=262324"}],"version-history":[{"count":2,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/262324\/revisions"}],"predecessor-version":[{"id":262335,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/262324\/revisions\/262335"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=262324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=262324"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=262324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}