{"id":174472,"date":"2019-05-21T06:30:11","date_gmt":"2019-05-20T22:30:11","guid":{"rendered":"\/\/m.iemloyee.com\/?p=174472"},"modified":"2019-05-20T17:46:33","modified_gmt":"2019-05-20T09:46:33","slug":"%e7%a6%8f%e5%bb%ba%e7%89%a9%e6%9e%84%e6%89%80%e5%ba%84%e5%b7%8d%e5%90%b4%e5%a4%a9%e6%95%8fnano-energy-%e8%87%aa%e6%97%8b%e8%bd%a8%e9%81%93%e7%9b%b8%e4%ba%92%e4%bd%9c%e7%94%a8%e4%b8%8e%e5%a3%b0","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=174472","title":{"rendered":"\u798f\u5efa\u7269\u6784\u6240\u5e84\u5dcd&\u5434\u5929\u654fNano Energy : \u81ea\u65cb\u8f68\u9053\u76f8\u4e92\u4f5c\u7528\u4e0e\u58f0\u5b50\u975e\u8c10\u6027\u7684\u8026\u5408\u5bf9SnSe\u70ed\u7535\u6027\u80fd\u7684\u5f71\u54cd"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \n \u81ea\u65cb\u8f68\u9053\u8026\u5408(SOC)\u4f5c\u4e3a\u4e00\u79cd\u76f8\u5bf9\u8bba\u6548\u5e94\uff0c\u662f\u56fa\u4f53\u6750\u6599\u4e2d\u7684\u57fa\u672c\u76f8\u4e92\u4f5c\u7528\u4e4b\u4e00\uff0c\u5728\u8bb8\u591a\u91cd\u8981\u73b0\u8c61\u4e2d\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\uff0c\u5982\u65cb\u8f6c\u585e\u8d1d\u514b\u6548\u5e94\u3001\u62d3\u6251\u7edd\u7f18\u3001\u81ea\u65cb\u970d\u5c14\u6548\u5e94\u4ee5\u53ca\u8d85\u5bfc\u6027\u7b49\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u5f88\u5927\u7a0b\u5ea6\u4e0a\u5c1a\u4e0d\u80fd\u786e\u5b9aSOC\u5bf9\u58f0\u5b50(\u8d1f\u8d23\u56fa\u4f53\u6750\u6599\u4e2d\u58f0\u97f3\u548c\u70ed\u4f20\u9012\u7684\u57fa\u672c\u7c92\u5b50)\u6027\u8d28\u7684\u5f71\u54cd\u3002\u6b64\u5916\uff0c\u5173\u4e8eSOC\u662f\u5426\u4e5f\u4f1a\u5f71\u54cd\u58f0\u5b50\u7684\u975e\u8c10\u6027\u7279\u6027(\u5982\u5f1b\u8c6b\u65f6\u95f4)\u4ecd\u7136\u5b58\u5728\u7591\u95ee\u3002\u58f0\u5b50\u4e0e\u91d1\u5c5e\u786b\u5316\u7269\u4e2d\u590d\u6742\u73af\u5883\u7684\u8026\u5408\u662f\u70ed\u7535\u6750\u6599\u4e2d\u7684\u7814\u7a76\u70ed\u70b9\u3002\u63d0\u9ad8\u70ed\u7535\u6548\u7387\u7684\u4e00\u4e2a\u4e3b\u8981\u7b56\u7565\u662f\u901a\u8fc7\u7eb3\u7c73\u7ed3\u6784\u6216\u58f0\u5b50\u8c03\u63a7\u6765\u964d\u4f4e\u6676\u683c\u70ed\u5bfc\u7387\uff0c\u5373\u58f0\u5b50\u4f20\u8f93\u6548\u7387\u7684\u6d4b\u91cf\u3002\u4e3a\u4e86\u5145\u5206\u5229\u7528\u8be5\u7b56\u7565\uff0c\u9700\u8981\u6df1\u5165\u7406\u89e3\u58f0\u5b50\u4e0e\u73af\u5883\u4e2d\u7684\u7535\u5b50\u3001\u8f68\u9053\u548c\u81ea\u65cb\u81ea\u7531\u5ea6\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u3002\u53e6\u4e00\u65b9\u9762\uff0cSOC\u5bf9\u58f0\u5b50\u4f20\u8f93\u7684\u5f71\u54cd\u4ee5\u53ca\u56e0\u6b64\u7684\u6676\u683c\u70ed\u5bfc\u7387\u4e00\u76f4\u53d7\u5230\u8f83\u5c11\u5173\u6ce8\uff0c\u5e76\u4e14\u901a\u5e38\u88ab\u8ba4\u4e3a\u662f\u53ef\u5ffd\u7565\u4e0d\u8ba1\u7684\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \n \u8fd1\u65e5\uff0c\u4e2d\u79d1\u9662\u798f\u5efa\u7269\u6784\u6240\u5e84\u5dcd\u7814\u7a76\u5458\u3001\u5434\u5929\u654f\u535a\u58eb(\u5171\u540c\u901a\u8baf\u4f5c\u8005)\u7b49<\/strong>\u901a\u8fc7\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\u548c\u73bb\u5c14\u5179\u66fc\u8f93\u8fd0\u65b9\u7a0b\u7814\u7a76\u4e86\u5177\u6709\u9ad8\u80fd\u91cf\u8f6c\u6362\u6548\u7387\u7684SnSe\u70ed\u7535\u6750\u6599\u4e2d\u7684\u58f0\u5b50\u4f20\u8f93\uff0c\u5e76\u5728Nano Energy<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cCoupling of spin-orbit interaction with phonon anharmonicity leads to significant impact on thermoelectricity in SnSe<\/strong>\u201d\u7684\u7814\u7a76\u8bba\u6587\u3002\u4f5c\u8005\u53d1\u73b0\u81ea\u65cb\u8f68\u9053\u8026\u5408\u6781\u5927\u5730\u589e\u5f3a\u4e86\u5176\u6676\u683c\u70ed\u5bfc\u7387(\u9ad8\u8fbe~60 %)\uff0c\u6e90\u4e8e\u81ea\u65cb\u8f68\u9053\u8026\u5408\u5bf9\u58f0\u5b50\u975e\u8c10\u6027\u7684\u5f71\u54cd\uff0c\u800c\u4e0d\u662f\u8c10\u6ce2\u58f0\u5b50\u7279\u6027\u3002\u81ea\u65cb\u8f68\u9053\u8026\u5408\u51cf\u5c11\u4e86\u7531Se\u539f\u5b50\u7684p\u8f68\u9053\u5f62\u6210\u7684\u5171\u632f\u952e\u5408\u7f51\u7edc\u7684\u79bb\u57df\uff0c\u589e\u5f3a\u4e86\u5c42\u95f4Sn-Se\u952e\u5e76\u56e0\u6b64\u524a\u5f31\u4e86\u58f0\u5b50\u975e\u8c10\u6027\u3002\u8be5\u53d1\u73b0\u4e3a\u8bbe\u8ba1\u53ef\u8c03\u8c10\u81ea\u65cb\u8f68\u9053\u7cfb\u7edf\u4ee5\u66f4\u597d\u5730\u63a7\u5236\u70ed\u7535\u4ee5\u53ca\u5176\u4ed6\u58f0\u5b50\u4f20\u8f93\u76f8\u5173\u7684\u6750\u6599\u529f\u80fd\u63d0\u4f9b\u4e86\u91cd\u8981\u53c2\u8003\u3002<\/p>\n \u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong> a) \u6709\u65e0SOC\u6548\u5e94\u76f8\u4e92\u4f5c\u7528\u7684\u6cbfa-\uff0cb-\u548cc-\u8f74\u7684\u6676\u683c\u70ed\u5bfc\u7387\u968f\u6e29\u5ea6\u7684\u53d8\u5316\uff1b \u56fe2 SOC\u5bf9\u8c10\u6ce2\u529b\u5e38\u6570\u548c\u76f8\u5173\u7279\u6027\u7684\u5f71\u54cd<\/strong><\/p>\n a) \u6cbf\u5e03\u91cc\u6e0a\u533a\u9ad8\u5bf9\u79f0\u70b9\u7684\u58f0\u5b50\u8272\u6563\u66f2\u7ebf\uff0c\u989c\u8272\u6761\u663e\u793aSOC\u5f15\u8d77\u7684\u9891\u7387\u504f\u5dee\uff1b \u56fe3 SOC\u5bf9\u975e\u8c10\u632f\u529b\u5e38\u6570\u548c\u58f0\u5b50\u5f1b\u8c6b\u65f6\u95f4\u7684\u5f71\u54cd<\/strong><\/p>\n a) \u975e\u8c10\u6027IFCs\u5206\u91cf\u6cbf\u539f\u5b50\u4f4d\u79fb(a<\/strong>, a<\/strong>, a<\/strong>)\u3001(b<\/strong>, b<\/strong>, b<\/strong>)\u548c(c<\/strong>, c<\/strong>, c<\/strong>)\u7684\u5f52\u4e00\u5316\u6bd4\u7387\u5206\u5e03((\u03a8(SO) – \u03a8(NSO))\/\u03a8(NSO))\uff0c\u5176\u4e2d\u03a8(SO)\u548c\u03a8(NSO)\u5206\u522b\u8868\u793a\u6709\u65e0\u81ea\u65cb\u8f68\u9053\u76f8\u4e92\u4f5c\u7528\u7684\u7acb\u65b9\u539f\u5b50\u95f4\u529b\u5e38\u6570\uff1b \u56fe4 SOC\u5bf9\u7535\u5b50\u7ed3\u6784\u7684\u5f71\u54cd<\/strong><\/p>\n a) \u6709\u65e0SOC\u6548\u5e94\u7684\u8f68\u9053\u6295\u5f71\u7535\u5b50\u5bc6\u5ea6\u53ca\u5176\u5dee\u5f02(\u0394(DOSSO<\/sub>-DOSNSO<\/sub>))\uff1b \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \n \u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u9996\u6b21\u8bc1\u660e\u4e86SOC\u53ef\u4ee5\u5bf9\u8bf8\u5982SnSe\u6750\u6599\u4e2d\u7684\u58f0\u5b50\u975e\u8c10\u6027\u4ea7\u751f\u76f8\u5f53\u5927\u7684\u5f71\u54cd\uff0c\u5373\u5bf9\u6676\u683c\u70ed\u5bfc\u7387\u4ea7\u751f\u5f71\u54cd\uff0c\u4ece\u800c\u5bf9\u70ed\u7535\u6027\u80fd\u4ea7\u751f\u663e\u8457\u5f71\u54cd\u3002\u6b64\u5916\uff0c\u4f5c\u8005\u7684\u8ba1\u7b97\u7ed3\u679c\u8868\u660e\u5728\u6750\u6599\u4e2d(\u901a\u8fc7\u8c03\u6574SOC)\u8c03\u63a7\u58f0\u5b50\u4f20\u8f93\u548c\u70ed\u7535\u53ef\u4ea7\u751f\u6f5c\u5728\u65b0\u81ea\u7531\u5ea6\u3002\u5177\u6709\u53ef\u8c03\u8c10\u81ea\u65cb\u8f68\u9053\u7cfb\u7edf\u7684\u7cfb\u7edf\u5982BiTl(S1-\u03b4<\/sub>Se\u03b4<\/sub>)2<\/sub>(\u5176\u4e2d\u81ea\u65cb\u8f68\u9053\u5f3a\u5ea6\u53ef\u901a\u8fc7\u6539\u53d8\u786b\/\u7852\u6bd4\u7387\u6765\u8c03\u63a7)\u53ef\u7528\u4e8e\u5b9e\u9a8c\u89c2\u5bdf\u548c\u6d4b\u91cf\u81ea\u65cb\u8f68\u9053\u7684\u5f71\u54cd \u58f0\u5b50\u4f20\u8f93\u4e0a\u7684\u8026\u5408(\u7528\u975e\u5f39\u6027\u4e2d\u5b50\u6563\u5c04\u7b49\u5b9e\u9a8c\u5de5\u5177)\u3002\u4f5c\u4e3a\u53e6\u4e00\u4e2a\u4f8b\u5b50\uff0c\u53ef\u4ee5\u901a\u8fc7\u65bd\u52a0\u5916\u90e8\u7535\u573a\u6765\u7834\u574f\u754c\u9762\u53cd\u8f6c\u5bf9\u79f0\u6027\u6765\u8c03\u5236\u8bf8\u5982LaAlO3<\/sub>\/SrTiO3<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684\u7cfb\u7edf\u4e2d\u7684\u81ea\u65cb-\u8f68\u9053\u76f8\u4e92\u4f5c\u7528\u7684\u5927\u5c0f\uff0c\u4e5f\u53ef\u80fd\u5bfc\u81f4\u6676\u683c\u70ed\u5bfc\u7387\u7684\u53d8\u5316\u3002<\/p>\n
\n \u56fe1 SOC\u8bf1\u5bfcSnSe\u6676\u4f53\u7ed3\u6784\u53d8\u5f62\u5bf9\u6676\u683c\u70ed\u5bfc\u7684\u5f71\u54cd<\/strong><\/p>\n<\/p>\n
\n b) \u5bf9\u5e94\u4e8eSnSe\u7684Pnma\u76f8\u7ed3\u6784\u7684Sn\u914d\u4f4d\u591a\u9762\u4f53\uff0cSe\u548cSn\u539f\u5b50\u5206\u522b\u4e3a\u9ec4\u8272\u548c\u84dd\u8272\uff1b
\n c) \u5ba4\u6e29\u4e0b\u5728\u6709\u65e0SOC\u6548\u5e94\u60c5\u51b5\u4e0b\u83b7\u5f97\u7684\u6bcf\u4e2a\u58f0\u5b50\u5206\u652f\u7684\u6676\u683c\u70ed\u5bfc\u7387\u4e4b\u95f4\u7684\u5dee\u5f02\uff0c\u5e94\u7528\u6bcf\u4e2a\u58f0\u5b50\u5206\u652f\u7684\u4e2d\u503c\u9891\u7387\u4ee5\u8fdb\u884c\u66f4\u597d\u7684\u6bd4\u8f83\uff1b
\n d) \u6709\u65e0\u81ea\u65cb-\u8f68\u9053\u76f8\u4e92\u4f5c\u7528\u7684\u8c10\u6ce2\u529b\u5e38\u6570\u5f20\u91cf\u4e2d\u7684\u5bf9\u89d2\u5206\u91cf(F11\uff0cF22\uff0cF33)\u7684\u5e45\u5ea6\u5206\u5e03\u3002<\/p>\n<\/p>\n
\n b) \u6709\u65e0SOC\u6548\u5e94\u7684\u7d2f\u79ef\u6676\u683c\u70ed\u5bfc\u7387\u968f\u5ba4\u6e29\u4e0b\u6cbfa-\u3001b-\u548cc-\u8f74\u7684\u6700\u5927\u58f0\u5b50\u5e73\u5747\u81ea\u7531\u7a0b\u7684\u53d8\u5316\uff0c\u901a\u8fc7\u6cbf\u6bcf\u4e2a\u65b9\u5411\u7684\u6676\u683c\u70ed\u5bfc\u7387\u03ba\u8fdb\u884c\u5f52\u4e00\u5316\uff1b
\n c) Gr\u00fcneisen\u53c2\u6570\u968f\u7b2c\u4e00\u5e03\u91cc\u6e0a\u533a\u5185\u6bcf\u4e2a\u58f0\u5b50\u5206\u652f\u9891\u7387\u7684\u53d8\u5316\uff1b
\n d) \u8003\u8651\u5230\u81ea\u65cb-\u8f68\u9053\u76f8\u4e92\u4f5c\u7528\uff0c\u603b\u548c\u975e\u8c10\u6563\u5c04\u7387(NSO-SO\uff0c\u7ea2\u7ebf)\u4e0e\u6676\u683c\u70ed\u5bfc\u7387\u53d8\u5316(\u7eff\u7ebf)\u4e4b\u95f4\u7684\u8868\u89c2\u76f8\u5173\u6027\uff0c\u8fd8\u8bf4\u660e\u4e86\u5728\u5ba4\u6e29\u4e0b\u7528(\u6d45\u9ec4\u8272)\u548c\u6ca1\u6709(\u9752\u8272)SOC\u6548\u5e94\u7684\u975e\u8c10\u6563\u5c04\u7387\uff0c\u6bcf\u4e2a\u58f0\u5b50\u5206\u652f\u7684\u4e2d\u503c\u9891\u7387\u7528\u4f5c\u6a2a\u5750\u6807\u503c\u4ee5\u4fbf\u66f4\u597d\u5730\u6bd4\u8f83\u3002<\/p>\n<\/p>\n
\n b) \u6cbf\u6bcf\u4e2a\u65b9\u5411(a<\/strong>, b<\/strong>, c<\/strong>)\u7684\u6676\u683c\u70ed\u5bfc\u7387\uff0c\u901a\u8fc7\u5c06\u4e09\u6b21\u4f53\u7684\u7acb\u65b9\u529b\u5e38\u6570(\u4e00\u6b21\u4e00\u79cd)\u66ff\u6362\u4e3a\u6ca1\u6709\u81ea\u65cb-\u8f68\u9053\u8026\u5408\u7684\u4e09\u6b21\u4f53\u6765\u8ba1\u7b97\uff0c\u7d2b\u8272\u548c\u7eff\u8272\u865a\u7ebf\u8868\u793a\u6cbf\u6bcf\u4e2a\u65b9\u5411\u6709\u65e0\u81ea\u65cb-\u8f68\u9053\u8026\u5408\u6548\u5e94\u7684\u6676\u683c\u70ed\u5bfc\u7387\u3002<\/p>\n<\/p>\n
\n b) \u6839\u636e\u5355\u4f4d\u6676\u80de\u4e2d\u6709\u65e0\u81ea\u65cb-\u8f68\u9053\u8026\u5408\u6548\u5e94(\u7b49\u503c\u9762\u4e3a0.00015e\/\u00c53<\/sup>)\u7684\u7ed3\u6784\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\u7684\u7535\u8377\u5bc6\u5ea6\u5dee\u7684\u7b49\u503c\u9762\u3002<\/p>\n