{"id":28009,"date":"2017-05-30T00:05:10","date_gmt":"2017-05-29T16:05:10","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=28009"},"modified":"2018-07-29T09:12:13","modified_gmt":"2018-07-29T01:12:13","slug":"%e7%86%b1%e6%95%b4%e6%b5%81%e6%95%88%e6%87%89","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=28009","title":{"rendered":"\u71b1\u6574\u6d41\u6548\u61c9"},"content":{"rendered":"

\u25a0\u96fb\u6d41\u53ef\u4ee5\u88ab\u6574\u6d41\uff0c\u71b1\u6d41\u662f\u4e0d\u662f\u4e5f\u53ef\u4ee5\u5462\uff1f\u80fd\u5920\u6574\u300c\u71b1\u300d\u6d41\u7684\u71b1\u4e8c\u6975\u9ad4\u6703\u9577\u4ec0\u9ebc\u6a23\u5b50\u5462\uff1f<\/strong><\/span><\/p>\n

\u64b0\u6587\uff5c<\/strong>\u65b9\u7a0b\u6bc5<\/p>\n

\u4e8c\u6975\u9ad4(Diode)\u662f\u4e00\u500b\u5e38\u898b\u7684\u96fb\u5b50\u5143\u4ef6\uff0c\u7576\u5143\u4ef6\u901a\u96fb\u6642\uff0c\u96fb\u6d41\u53ea\u80fd\u5f9e\u6b63\u6d41\u5230\u8ca0\uff0c\u4e0d\u80fd\u5f9e\u8ca0\u6d41\u5230\u6b63\uff0c\u9019\u500b\u73fe\u8c61\u7a31\u70ba\u6574\u6d41\uff0c\u4e2d\u5b78\u7269\u7406\u4e5f\u66fe\u63d0\u53ca\u4e8c\u6975\u9ad4\u662f\u5c07\u4ea4\u6d41\u96fb\u8b8a\u76f4\u6d41\u96fb\u7684\u65b9\u6cd5\u4e4b\u4e00\u3002\u96fb\u6d41\u53ef\u4ee5\u88ab\u6574\u6d41\uff0c\u5176\u4ed6\u6d41\u662f\u4e0d\u662f\u4e5f\u53ef\u4ee5\u5462\uff1f\u7f8e\u570b\u5167\u5e03\u62c9\u65af\u52a0\u5927\u5b78\u6797\u80af\u5206\u6821(University of Nebraska-Lincoln)\u7684idy Ndao\u6559\u6388\u6700\u8fd1\u7814\u767c\u51fa\u7d66\u71b1\u6d41\u7528\u7684\u4e8c\u6975\u9ad4\uff0c\u8b93\u71b1\u50b3\u5f80\u67d0\u4e00\u7279\u5b9a\u65b9\u5411\u7684\u901f\u5ea6\u5927\u65bc\u53cd\u65b9\u5411\uff0c\u4e26\u4e14\u53ef\u4ee5\u5728\u9ad8\u6eab\u4e0b(326 \u00b0C)\u4f7f\u7528\uff0c\u5176\u7d50\u679c\u767c\u8868\u5728 Scientific Reports <\/em>\u3002<\/p>\n

\u4e8c\u6975\u9ad4\u7684\u61c9\u7528\u76f8\u7576\u5ee3\u6cdb\uff0c\u5176\u6574\u6d41\u6548\u61c9\u53ef\u61c9\u7528\u65bc\u908f\u8f2f\u96fb\u8def\u9032\u800c\u9032\u884c\u8cc7\u6599\u50b3\u8f38\u6216\u6578\u4f4d\u8a08\u7b97\u3002\u4e5f\u5c31\u662f\u8aaa\uff0c\u4e8c\u6975\u9ad4\u662f\u7576\u4eca\u6578\u4f4d\u4e16\u754c\u904b\u4f5c\u7684\u57fa\u672c\u67b6\u69cb\u3002<\/p>\n

\u4f46\u662f\uff0c\u5982\u679c\u8981\u5c07\u6578\u4f4d\u4e16\u754c\u61c9\u7528\u5728\u5730\u5fc3\u6216\u592a\u7a7a\u4e2d\u9ad8\u6eab\u74b0\u5883\u5462\uff1f<\/p>\n

\u4e00\u822c\u96fb\u5b50\u5143\u4ef6\u90fd\u6709\u4e00\u5b9a\u7684\u64cd\u4f5c\u6eab\u5ea6\uff0c\u82e5\u662f\u74b0\u5883\u6eab\u5ea6\u592a\u9ad8\uff0c\u4fbf\u6703\u5931\u6548\u3002\u56e0\u6b64\u7528\u96fb\u9032\u884c\u904b\u7b97\u4e0d\u662f\u4e00\u500b\u597d\u4e3b\u610f\uff0c\u5fc5\u9808\u4f7f\u7528\u5176\u4ed6\u5a92\u4ecb\u3002\u79d1\u5b78\u5bb6\u65bc\u662f\u60f3\u5230\u4e86\u300c\u71b1\u300d\u3002\u5982\u679c\u71b1\u50b3\u5143\u4ef6\u53ef\u4ee5\u5728\u56b4\u5cfb\u7684\u9ad8\u6eab\u74b0\u5883\u4f7f\u7528\uff0c\u5730\u5fc3\u63a2\u96aa\u6216\u592a\u7a7a\u4efb\u52d9\u4fbf\u6709\u6a5f\u6703\u6d3e\u4e0a\u7528\u5834\u3002<\/p>\n

\u96fb\u6d41\u5f9e\u6b63\u6d41\u5230\u8ca0\uff0c\u71b1\u5f9e\u9ad8\u6eab\u6d41\u5411\u4f4e\u6eab\uff1b\u96fb\u4e8c\u6975\u9ad4\u6b63\u504f\u58d3\u6709\u96fb\u6d41\uff0c\u8ca0\u504f\u58d3\u6c92\u96fb\u6d41\uff0c\u5982\u679c\u6709\u985e\u4f3c\u96fb\u4e8c\u6975\u9ad4\u7684\u300c\u71b1\u4e8c\u6975\u9ad4\u300d\uff0c\u8981\u600e\u9ebc\u904b\u4f5c\u5462\uff1f<\/p>\n

\"\"<\/a>
Credit: Elzouka and Ndao. Published in Nature Scientific Reports.<\/figcaption><\/figure>\n

\u5716(a)\u70ba\u5143\u4ef6\u793a\u610f\u5716\uff0c\u5143\u4ef6\u5206\u70ba\u4e0a\u4e0b\u5169\u7aef\uff0c\u4e0a\u7aef\u56fa\u5b9a\u4e0d\u52d5\u3001\u4e0b\u7aef\u53ef\u4ee5\u79fb\u52d5\u3002\u71b1\u7684\u6d41\u52d5\u65b9\u5411\u6c38\u9060\u662f\u9ad8\u6eab\u5230\u4f4e\u6eab\uff0c\u56e0\u6b64\u6240\u8b02\u7684\u6574\u6d41\u6548\u61c9\u662f\u6307\u7576\u4e0a\u7aef\u9ad8\u6eab\u4e0b\u7aef\u4f4e\u6eab\u6642\uff0c\u71b1\u4e0d\u5bb9\u6613\u5f9e\u4e0a\u7aef\u7559\u5230\u4e0b\u7aef(Reverse\uff0c\u5c31\u50cf\u8ca0\u504f\u58d3)\uff1b\u800c\u4e0a\u7aef\u4f4e\u6eab\uff0c\u4e0b\u7aef\u9ad8\u6eab\u6642\uff0c\u5f9e\u4e0b\u7aef\u5230\u4e0a\u7aef\u7684\u71b1\u6d41\u6703\u6bd4\u8f03\u9806\u66a2(Forward\uff0c\u6b63\u504f\u58d3)\u3002<\/p>\n

\u80fd\u5920\u7522\u751f\u71b1\u6574\u6d41\u6548\u61c9\u7684\u95dc\u9375\u5728\u53ef\u4ee5\u81ea\u7531\u79fb\u52d5\u7684\u4e0b\u7aef\uff0c\u7576\u4e0b\u7aef\u4f4e\u6eab\u6642\uff0c\u4e0a\u4e0b\u5169\u7aef\u7684\u9593\u8ddd\u5f88\u5927\uff0c\u71b1\u4e0d\u5bb9\u6613\u5f9e\u4e0a\u7aef\u50b3\u5230\u4e0b\u7aef\uff1b\u4e0b\u7aef\u9ad8\u6eab\u6642\uff0c\u4e0b\u7aef\u6703\u5f80\u4e0a\u62ac\uff0c\u4f7f\u4e0a\u4e0b\u5169\u7aef\u7684\u9593\u8ddd\u7e2e\u5c0f\uff0c\u71b1\u8981\u5f9e\u4e0b\u50b3\u5230\u4e0a\u7aef\u5c31\u5bb9\u6613\u7684\u591a\u3002\u5f9e\u5716(b)-(d)\u53ef\u4ee5\u5927\u81f4\u770b\u5230\u5143\u4ef6\u5c3a\u5bf8\uff0c\u5927\u7d04\u5728\u5e7e\u767e\u5fae\u7c73\u5de6\u53f3\uff0c\u4e0d\u5230\u4e00\u516c\u5398(mm)\u3002\u800c\u4e0a\u4e0b\u5169\u7aef\u7684\u9593\u8ddd\u66f4\u662f\u53ea\u67093-5\u5fae\u7c73(\u4e00\u822c\u4eba\u7684\u982d\u9aee\u5bec\u5ea6\u5927\u7d04\u70ba\u6578\u5341\u5fae\u7c73)\u3002<\/p>\n

\u770b\u5230\u9019\u88e1\u4f60\u5fc3\u4e2d\u53ef\u80fd\u6703\u6d6e\u73fe\u4e00\u500b\u554f\u984c\uff1a\u552c\u721b\u7684\u5427\uff01\u9593\u8ddd3-5\u5fae\u7c73\u7684\u8b8a\u5316\u600e\u9ebc\u53ef\u80fd\u5c0d\u71b1\u6d41\u901f\u5ea6\u6709\u5f71\u97ff\uff1f\u6c92\u932f\uff0c\u9019\u500b\u5143\u4ef6\u7684\u6574\u6d41\u80fd\u529b\u9060\u4e0d\u53ca\u96fb\u5b50\u4e8c\u6975\u9ad4\uff0c\u4f46\u5c31\u7b97\u5982\u6b64\uff0c\u5b83\u9084\u662f\u5177\u6709\u6574\u6d41\u6548\u61c9\uff0c\u53ea\u662f\u9019\u6a23\u7684\u9593\u8ddd\u6539\u8b8a\u6703\u6709\u6574\u6d41\u6548\u61c9\u9084\u662f\u5f88\u96e3\u4ee4\u4eba\u76f8\u4fe1\u3002\u5982\u679c\u7528\u4e00\u822c\u7684\u71b1\u50b3\u6982\u5ff5\uff1a\u50b3\u5c0e\u3001\u5c0d\u6d41\u8ddf\u8f3b\u5c04\uff0c\u7684\u78ba\u7121\u6cd5\u89e3\u91cb\uff0c\u8981\u89e3\u91cb\u6b64\u73fe\u8c61\u5fc5\u9808\u5f15\u5165\u8fd1\u5834\u71b1\u8f3b\u5c04(near-field thermal radiation)\u7684\u6982\u5ff5\uff0c\u6211\u5011\u66fe\u5728\u300a\u8d85\u8d8a\u7406\u8ad6\u8f3b\u5c04\u7684\u6975\u9650\u2500\u8fd1\u5834\u71b1\u8f3b\u5c04<\/a>\u300b\u4e00\u6587\u4e2d\u4ecb\u7d39\u9019\u500b\u71b1\u50b3\u6a5f\u5236\u3002\u7c21\u55ae\u4f86\u8aaa\uff0c\u7576\u5169\u7269\u9ad4\u9593\u8ddd\u975e\u5e38\u5c0f\u7684\u6642\u5019\u6703\u6709\u4e00\u7a2e\u7279\u6b8a\u7684\u8f3b\u5c04\u50b3\u71b1\uff0c\u9019\u500b\u8f3b\u5c04\u50b3\u71b1\u5c0d\u5169\u7269\u9ad4\u8ddd\u96e2\u8b8a\u5316\u975e\u5e38\u654f\u611f\uff0c\u4e00\u9ede\u9ede\u9593\u8ddd\u8b8a\u5316\u4fbf\u6703\u5927\u5e45\u6539\u8b8a\u71b1\u50b3\u7684\u901f\u5ea6\uff0c\u9019\u4e5f\u662f\u70ba\u4ec0\u9ebc\u4e0a\u4e0b\u5169\u7aef\u9593\u8ddd\u7684\u5c0f\u5c0f\u6539\u8b8a\u53ef\u4ee5\u505a\u51fa\u71b1\u4e8c\u6975\u9ad4\u3002<\/p>\n

\u81f3\u65bc\u9019\u500b\u5143\u4ef6\u7684\u6750\u6599\u70ba\u4f55\uff1f\u57fa\u672c\u4e0a\u53ea\u8981\u770b\u5230\u5c3a\u5bf8\u90a3\u9ebc\u5c0f\uff0c\u7d50\u69cb\u53c8\u7cbe\u7d30\u7684\u6771\u897f\uff0c\u5341\u4e4b\u516b\u4e5d\u90fd\u662f\u77fd(Si)\uff0c\u56e0\u70ba\u4e5f\u53ea\u6709\u77fd\u534a\u5c0e\u9ad4\u5de5\u696d\u6709\u5982\u6b64\u7cbe\u6e96\u7684\u63a7\u5236\u80fd\u529b\u3002<\/p>\n

Sidy Ndao\u6559\u6388\u5728\u63a5\u53d7\u77e5\u540d\u79d1\u666e\u7db2\u7ad9\u300aPhy.org\u300b\u8a2a\u554f\u6642\u8868\u793a\uff1a\u300c\u6211\u5011\u57fa\u672c\u4e0a\u505a\u51fa\u4e86\u4e00\u500b\u300e\u71b1\u8166(Thermal computer)\u300f\u7684\u57fa\u672c\u5143\u4ef6\uff0c\u4e26\u4e14\u53ef\u4ee5\u5728\u9ad8\u6eab\u4e0b\u5de5\u4f5c\u3002\u300d\u300c\u4e0d\u50cf\u4e00\u822c\u5143\u4ef6\u4f7f\u7528\u96fb\u5b50\u50b3\u905e\u8cc7\u6599\uff0c\u5948\u7c73\u71b1\u5fae\u6a5f\u68b0(NanoThermoMechanical)\u8a18\u61b6\u9ad4\u6216\u908f\u8f2f\u96fb\u8def\u4f7f\u7528\u71b1\u4f86\u8a18\u9304\u6216\u8655\u7406\u8cc7\u6599\uff0c\u4ed6\u5011\u540c\u6642\u4e5f\u80fd\u5728\u56b4\u5cfb\u7684\u74b0\u5883\u4e0b\u5de5\u4f5c\uff0c\u800c\u9019\u4e9b\u74b0\u5883\u901a\u5e38\u6703\u8b93\u96fb\u5b50\u5143\u4ef6\u90fd\u6703\u5931\u6548\u3002\u300d<\/p>\n

 <\/p>\n

\u539f\u59cb\u8ad6\u6587\uff1a<\/strong>Elzouka, Mahmoud, and Sidy Ndao. \"High Temperature Near-Field NanoThermoMechanical Rectification.\"\u00a0Scientific Reports<\/em>\u00a07 (2017).<\/p>\n

\u53c3\u8003\u8cc7\u6599\uff1a<\/strong>Phys.org\u300aBuilding block of thermal computer operates at 600 K<\/a>\u300b<\/p>\n

--<\/strong>
\n\u4f5c\u8005\uff1a\u65b9\u7a0b\u6bc5 \u79d1\u6559\u4e2d\u5fc3\u7279\u7d04\u5beb\u624b\uff0c\u5f9e\u4e8b\u79d1\u666e\u6587\u7ae0\u5beb\u4f5c\u3002<\/strong><\/span><\/p>\n

 <\/p>\n

\"\u52a0\u5165\u597d\u53cb\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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