{"id":27860,"date":"2017-05-16T00:06:38","date_gmt":"2017-05-15T16:06:38","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=27860"},"modified":"2018-07-29T09:17:44","modified_gmt":"2018-07-29T01:17:44","slug":"%e8%83%bd%e9%9a%99%e5%8f%aa%e6%9c%8930-mev%e7%9a%84%e7%9f%bd%ef%bc%8c%e6%98%af%e5%8d%8a%e5%b0%8e%e9%ab%94%e9%82%84%e6%98%af%e9%87%91%e5%b1%ac%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=27860","title":{"rendered":"\u80fd\u9699\u53ea\u670930 meV\u7684\u77fd\uff0c\u662f\u534a\u5c0e\u9ad4\u9084\u662f\u91d1\u5c6c\uff1f"},"content":{"rendered":"<p><span style=\"color: #333399;\"><strong>\u25a0\u77fd(Si)\u662f\u4e00\u88ab\u5ee3\u6cdb\u904b\u7528\u7684\u6750\u6599\uff0c\u5f9e\u751f\u6d3b\u5fc5\u5099\u7684\u624b\u6a5f\u96fb\u8166\u5230\u592a\u967d\u80fd\u96fb\u6c60\u7686\u4ef0\u8cf4\u77fd\u5de5\u696d\u7684\u6210\u719f\uff0c\u96d6\u7136\u4eba\u985e\u5c0d\u65bc\u5176\u6027\u8cea\u7684\u638c\u63e1\u975e\u5e38\u5168\u9762\uff0c\u4f46\u79d1\u5b78\u5bb6\u9084\u662f\u6301\u7e8c\u63a2\u7d22\u5176\u4ed6\u53ef\u80fd\u6027\u3002<\/strong><\/span><\/p>\n<figure id=\"attachment_27873\" aria-describedby=\"caption-attachment-27873\" style=\"width: 450px\" class=\"wp-caption alignleft\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-27873\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2017\/04\/0424.jpg\" alt=\"\" width=\"450\" height=\"399\" \/><figcaption id=\"caption-attachment-27873\" class=\"wp-caption-text\">\u5716\u7247\u4f86\u6e90\uff1aCarnegie Science<\/figcaption><\/figure>\n<p><strong>\u64b0\u6587\uff5c<\/strong>\u65b9\u7a0b\u6bc5<\/p>\n<p>\u77fd\u7531\u77fd\u539f\u5b50\u7d44\u6210\u3002\u4e00\u822c\u4f7f\u7528\u65bc\u534a\u5c0e\u9ad4\u5de5\u696d\u7684\u77fd\uff0c\u7d50\u69cb\u8207\u947d\u77f3\u76f8\u540c\uff0c\u77fd\u8ddf\u78b3\u540c\u70ba\u56db\u65cf\u5143\u7d20\uff0c\u947d\u77f3\u662f\u78b3\u539f\u5b50\u4ee5sp3\u8ecc\u57df\u8ddf\u53e6\u5916\u56db\u500b\u78b3\u9023\u7d50\uff0c\u77fd\u6676\u5713\u4e5f\u662f\u5982\u6b64\uff0c\u9019\u6a23\u7684\u7d50\u69cb\u88ab\u901a\u7a31\u70ba\u947d\u77f3\u7d50\u69cbdiamond cubic structure (DC-Si)\u3002<\/p>\n<p>\u539f\u5b50\u7684\u6392\u5217\u65b9\u5f0f\u6703\u5f71\u97ff\u534a\u5c0e\u9ad4\u80fd\u9699(bandgap)\uff0c\u80fd\u9699\u53ef\u4ee5\u8aaa\u662f\u534a\u5c0e\u9ad4\u6700\u91cd\u8981\u7684\u6027\u8cea\uff0c\u5176\u5927\u5c0f\u6c7a\u5b9a\u6750\u6599\u5438\u6536\u5149\u5b50\u8207\u767c\u5149\u7684\u884c\u70ba\u3002\u4f8b\u5982\uff0c\u7576\u5149\u5b50\u80fd\u91cf\u5927\u65bc\u80fd\u9699(\u5149\u6ce2\u9577\u77ed\u65bc\u80fd\u9699)\u6642\uff0c\u8a72\u5149\u5b50\u5c31\u6709\u53ef\u80fd\u88ab\u6750\u6599\u5438\u6536\u3002\u947d\u77f3\u7d50\u69cb\u7684\u77fd\u80fd\u9699\u70ba1.12eV\uff0c\u63db\u7b97\u6210\u5149\u6ce2\u9577\u5927\u7d04\u70ba1107nm\u3002\u53ef\u898b\u5149\u6ce2\u9577\u7d04\u5728400-700nm\uff0c\u56e0\u6b64\u592a\u967d\u5149\u53ef\u4ee5\u88ab\u77fd\u5438\u6536\u8f49\u63db\u6210\u96fb\uff0c\u4f5c\u70ba\u592a\u967d\u80fd\u96fb\u6c60\u4e4b\u7528\u3002\u80fd\u9699\u70ba1.12eV\u4e5f\u540c\u6642\u662f\u77fd\u53ef\u4ee5\u88ab\u7528\u65bc\u5149\u5b78\u6676\u7247\u7684\u539f\u56e0\uff0c\u4e00\u822c\u5149\u901a\u8a0a\u4f7f\u7528\u7684\u5149\u6ce2\u9577\u70ba1550nm\uff0c\u5149\u5b50\u80fd\u91cf\u5c0f\u65bc\u77fd\u7684\u80fd\u9699\uff0c\u56e0\u6b64\u4e0d\u6703\u88ab\u5438\u6536\uff0c\u53ef\u4ee5\u5728\u77fd\u505a\u6210\u7684\u5149\u6ce2\u5c0e\u5167\u884c\u8d70\u3002<!--more--><\/p>\n<p>\u947d\u77f3\u7d50\u69cb\u77fd\u7684\u53e6\u4e00\u500b\u7279\u9ede\u662f\u975e\u76f4\u63a5\u80fd\u9699(Indirect bandgap)\u3002\u975e\u76f4\u63a5\u80fd\u9699\u5f71\u97ff\u77fd\u7684\u767c\u5149\u884c\u70ba\u3002\u767c\u5149\u7684\u57fa\u672c\u6a5f\u5236\u70ba\u96fb\u5b50\u5f9e\u9ad8\u80fd\u968e\u6389\u5230\u4f4e\u80fd\u968e\uff0c\u767c\u51fa\u5149\u5b50\u7684\u80fd\u91cf\u7b49\u540c\u65bc\u80fd\u968e\u5dee\u8ddd\uff0c\u4f46\u9019\u500b\u884c\u70ba\u5fc5\u9808\u8981\u76f4\u63a5\u80fd\u9699(Direct Bandgap)\u7684\u6750\u6599\u624d\u6703\u767c\u751f\u3002\u56e0\u6b64\u96d6\u7136\u77fd\u7684\u80fd\u968e\u70ba1.12eV\uff0c\u537b\u7121\u6cd5\u767c\u51fa\u6ce2\u95771107nm\u7684\u5149\uff0c\u9019\u540c\u6642\u4e5f\u662f\u5149\u5b78\u6676\u7247\u9700\u8981\u4f7f\u7528\u4e09\u4e94\u65cf\u6750\u6599\u4f86\u767c\u5149\u7684\u539f\u56e0\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u4ee5\u4e0a\u90fd\u662f\u77fd\u539f\u5b50\u4ee5\u947d\u77f3\u7d50\u69cb\u7d44\u6210\u624d\u6709\u7684\u884c\u70ba\u3002\u82e5\u662f\u77fd\u539f\u5b50\u7684\u6392\u5217\u65b9\u5f0f\u4e0d\u540c\uff0c\u5176\u6027\u8cea\u4fbf\u5927\u4e0d\u76f8\u540c\u3002\u7f8e\u570b\u5361\u5167\u57fa\u79d1\u5b78\u7814\u7a76\u6240(Carnegie Institution for Science) Timothy Strobel\u6559\u6388\u5be6\u9a57\u5ba4\u6700\u8fd1\u5c0d\u53e6\u4e00\u7a2e\u6392\u5217\u65b9\u5f0f\u7684Si-III (\u6216\u540d BC8-Si)\u9032\u884c\u7814\u7a76\uff0c\u767c\u73fe\u80fd\u9699\u53ea\u670930 meV\uff0c\u4e14\u70ba\u4e00\u76f4\u63a5\u80fd\u9699\u7684\u6750\u6599\uff0c\u7814\u7a76\u7d50\u679c\u767c\u8868\u65bc\u300aPhysical Review Letters\u300b\u3002<\/p>\n<p>BC8-Si\u65e9\u57281963\u5e74\u5373\u88ab\u767c\u73fe\u3002\u88fd\u5099\u65b9\u5f0f\u662f\u5c07\u77fd\u52a0\u58d3\u4e26\u4e14\u5728\u67d0\u7a2e\u7279\u5b9a\u901f\u5ea6\u4e0b\u6e1b\u58d3\uff0c\u8b93\u539f\u5b50\u91cd\u65b0\u6392\u5217\uff0c\u81f3\u65bc\u70ba\u4ec0\u9ebc\u53ebBC8-Si\u5247\u662f\u8ddf\u6750\u6599\u7684\u6676\u9ad4\u7d50\u69cb\u6709\u95dc\uff0c\u672c\u6587\u5c07\u4e0d\u6df1\u5165\u63a2\u8a0e\u3002<\/p>\n<p>\u904e\u5f80\u7814\u7a76\u6307\u51faBC8-Si\u5177\u5099\u91d1\u5c6c\u7684\u6027\u8cea\uff0c\u6c92\u6709\u80fd\u9699\uff0c\u96fb\u5b50\u80fd\u5728\u6750\u6599\u4e2d\u81ea\u7531\u79fb\u52d5\uff0c\u4f46Strobel\u6559\u6388\u5c0dBC8-Si\u505a\u4e86\u5b8c\u6574\u7684\u6027\u8cea\u91cf\u6e2c\uff0c\u4e26\u9032\u884c\u7406\u8ad6\u8a08\u7b97\u5f8c\u767c\u73fe\uff0cBC8-Si\u4e26\u975e\u6c92\u6709\u80fd\u9699\uff0c\u800c\u662f\u80fd\u9699\u975e\u5e38\u5c0f\uff0c\u53ea\u670930 meV\u300230meV\u5c0d\u61c9\u5230\u7684\u5149\u6ce2\u9577\u70ba41\u00b5m\uff0c\u5df2\u7d93\u9032\u5230\u4e2d\u7d05\u5916\u7dda(mid-infrared)\u7684\u7bc4\u570d\uff0c\u80fd\u91cf\u975e\u5e38\u5c0f\u3002\u4f46\u56e0\u70ba\u662f\u76f4\u63a5\u80fd\u9699\uff0c\u56e0\u6b64\u672a\u4f86BC8-Si\u5728\u7d05\u5916\u5149\u6ce2\u6bb5\u80fd\u6d3e\u5f97\u4e0a\u7528\u5834\u3002<\/p>\n<p>\u7814\u7a76\u5718\u968a\u70ba\u4e86\u8b49\u660eBC8-Si\u662f\u80fd\u9699\u8d85\u5c0f\u7684\u534a\u5c0e\u9ad4\u800c\u975e\u91d1\u5c6c\uff0c\u4e5f\u91dd\u5c0d\u5176\u5c0e\u71b1\u6027\u3001\u96fb\u963b\u7387\u53ca\u5149\u5b78\u6027\u8cea\u9032\u884c\u7814\u7a76\uff0c\u90fd\u767c\u73feBC8-Si\u7684\u884c\u70ba\u8207\u534a\u5c0e\u9ad4\u985e\u4f3c\uff0c\u4e0d\u5177\u6709\u91d1\u5c6c\u6027\u8cea\u3002<\/p>\n<p>\u9019\u9805\u7814\u7a76\u4e5f\u544a\u8a34\u6211\u5011\uff0c\u5c31\u7b97\u662f\u5927\u5bb6\u719f\u6089\u7684\u6750\u6599\uff0c\u4e5f\u6703\u56e0\u70ba\u6392\u5217\u65b9\u5f0f\u7684\u4e0d\u540c\u7522\u751f\u5b8c\u5168\u76f8\u53cd\u7684\u6027\u8cea\uff0c\u800c\u77fd\u4e5f\u4e0d\u50c5\u53ea\u6709\u947d\u77f3\u7d50\u69cb\u8ddfBC8-Si\uff0c\u9084\u6709\u5176\u4ed6\u5c1a\u672a\u88ab\u6df1\u5165\u63a2\u8a0e\u7684\u578b\u614b\uff0c\u90a3\u4e9b\u672a\u77e5\u7684\u6027\u8cea\u6216\u8a31\u80fd\u5728\u610f\u60f3\u4e0d\u5230\u7684\u5730\u65b9\u6709\u6240\u61c9\u7528\u3002<\/p>\n<p>\u8ad6\u6587\u4f5c\u8005Haidong Zhang\u8868\u793a\uff1a\u300c\u5728\u904e\u53bb\uff0c\u937a(Ge)\u88ab\u8b49\u660e\u70ba\u534a\u5c0e\u9ad4\u800c\u975e\u7576\u6642\u4e3b\u6d41\u5b78\u754c\u76f8\u4fe1\u7684\u91d1\u5c6c\uff0c\u9019\u500b\u767c\u73fe\u8fce\u4f86\u4e86\u8fd1\u4ee3\u534a\u5c0e\u9ad4\u7684\u76db\u4e16\u3002\u800c\u9019\u6b21\u6211\u5011\u767c\u73feBC8-Si\u70ba\u534a\u5c0e\u9ad4\u800c\u975e\u91d1\u5c6c\u53ef\u80fd\u4e5f\u6703\u7d66\u79d1\u5b78\u754c\u5e36\u4f86\u9032\u5c55\u3002\u300d<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u539f\u59cb\u8ad6\u6587\uff1a<\/strong>Zhang, Haidong, Hanyu Liu, Kaya Wei, Oleksandr O. Kurakevych, Yann Le Godec, Zhenxian Liu, Joshua Martin, Michael Guerrette, George S. Nolas, and Timothy A. Strobel. \"BC8 Silicon (Si-III) is a Narrow-Gap Semiconductor.\"\u00a0<em>Physical Review Letters<\/em>\u00a0118, no. 14 (2017): 146601.<\/p>\n<p><strong>\u53c3\u8003\u8cc7\u6599\uff1a<\/strong><a href=\"https:\/\/carnegiescience.edu\/node\/2169\">TO E-, OR NOT TO E-, THE QUESTION FOR THE EXOTIC \u201cSI-III\u201d PHASE OF SILICON<\/a><\/p>\n<p><span style=\"color: #333399;\"><strong>--<\/strong><\/span><br \/>\n<span style=\"color: #333399;\"><strong>\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>&nbsp;<\/p>\n<p><a href=\"https:\/\/line.me\/R\/ti\/p\/%40fcx6182w\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" class=\"alignnone\" src=\"https:\/\/scdn.line-apps.com\/n\/line_add_friends\/btn\/zh-Hant.png\" alt=\"\u52a0\u5165\u597d\u53cb\" width=\"212\" height=\"36\" border=\"0\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u25a0\u77fd(Si)\u662f\u4e00\u88ab\u5ee3\u6cdb\u904b\u7528\u7684\u6750\u6599\uff0c\u5f9e\u751f\u6d3b\u5fc5\u5099\u7684\u624b\u6a5f\u96fb\u8166\u5230\u592a\u967d\u80fd\u96fb\u6c60\u7686\u4ef0\u8cf4\u77fd\u5de5\u696d\u7684\u6210\u719f\uff0c\u96d6\u7136\u4eba\u985e\u5c0d\u65bc\u5176\u6027\u8cea\u7684\u638c\u63e1\u975e\u5e38\u5168\u9762\uff0c\u4f46\u79d1\u5b78\u5bb6\u9084\u662f\u6301\u7e8c\u63a2\u7d22\u5176\u4ed6\u53ef\u80fd\u6027\u3002<\/p>\n","protected":false},"author":20,"featured_media":27874,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1023,3293],"tags":[3354,1045,2031,1838,817],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2017\/04\/04240.jpg","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/27860"}],"collection":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/users\/20"}],"replies":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=27860"}],"version-history":[{"count":3,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/27860\/revisions"}],"predecessor-version":[{"id":31750,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/27860\/revisions\/31750"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/27874"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=27860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=27860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=27860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}