{"id":29961,"date":"2017-12-05T00:12:48","date_gmt":"2017-12-04T16:12:48","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=29961"},"modified":"2018-07-29T13:35:35","modified_gmt":"2018-07-29T05:35:35","slug":"%e8%83%bd%e7%94%a8%e5%90%8c%e4%b8%80%e7%a8%ae%e6%91%bb%e9%9b%9c%e7%89%a9%e8%83%bd%e7%94%a2%e7%94%9fn%e5%9e%8b%e5%8f%8ap%e5%9e%8b%e7%9a%84%e5%8d%8a%e5%b0%8e%e9%ab%94%e5%97%8e%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=29961","title":{"rendered":"\u80fd\u7528\u540c\u4e00\u7a2e\u647b\u96dc\u7269\u80fd\u7522\u751fn\u578b\u53cap\u578b\u7684\u534a\u5c0e\u9ad4\u55ce\uff1f"},"content":{"rendered":"<p><span style=\"color: #333399;\"><strong>\u25a0\u534a\u5c0e\u9ad4\u7684\u647b\u96dc(doping)\u56e0\u6750\u6599\u800c\u7570\uff0c\u4e00\u822c\u4f86\u8aaa\u8981\u5f62\u6210 n \u578b\u6216 p \u578b\u9700\u8981\u4e0d\u540c\u7684\u647b\u96dc\u7269(dopant)\uff0c\u4f46\u6c2e\u5316\u93b5(GaN)\u537b\u80fd\u7528\u540c\u4e00\u7a2e\u647b\u96dc\u7269\u9054\u6210\u3002<\/strong><\/span><\/p>\n<figure id=\"attachment_29965\" aria-describedby=\"caption-attachment-29965\" style=\"width: 450px\" class=\"wp-caption alignleft\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-29965\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2017\/11\/1123.jpg\" alt=\"\" width=\"450\" height=\"312\" \/><figcaption id=\"caption-attachment-29965\" class=\"wp-caption-text\">Sample chamber of the positron accelerator. Photo: Hanna Koikkalainen<\/figcaption><\/figure>\n<p><strong>\u64b0\u6587\uff5c\u65b9\u7a0b\u6bc5<\/strong><\/p>\n<p>\u534a\u5c0e\u9ad4\u80fd\u5177\u6709\u5982\u6b64\u5ee3\u6cdb\u7684\u61c9\u7528\uff0c\u647b\u96dc(doping)\u662f\u91cd\u8981\u7684\u95dc\u9375\u3002\u4e4e\u6240\u6709\u534a\u5c0e\u9ad4\u96fb\u5b50\u5143\u4ef6\u90fd\u9700\u8981 PN \u63a5\u9762(junction)\u6ce8\u5165\u96fb\u6d41\u3002\u8981\u8b93\u534a\u5c0e\u9ad4\u5f62\u6210 n \u578b\u6216 p \u578b\u9700\u900f\u904e\u647b\u96dc\u3002\u4ee5\u77fd\u4f86\u8aaa\uff0c\u5176\u70ba\u56db\u65cf\u5143\u7d20\uff0c\u82e5\u647b\u5165\u4e09\u65cf\u5143\u7d20\u53d6\u4ee3\u90e8\u5206\u77fd\u539f\u5b50\uff0c\u4f8b\u5982\u787c(B)\uff0c\u56e0\u70ba\u50f9\u96fb\u5b50\u5c11\u4e00\u500b(Acceptor)\uff0c\u6240\u4ee5\u6703\u6210\u70ba p \u578b\uff1b\u82e5\u662f\u647b\u96dc\u5165\u4e94\u65cf\u5143\u7d20\u78f7(P)(Donor)\u5247\u6703\u8b8a\u6210 n \u578b\u3002<!--more--><\/p>\n<p>\u534a\u5c0e\u9ad4\u4e0d\u53ea\u6709\u77fd\uff0c\u9084\u6709\u4e09\u4e94\u65cf\u53ca\u4e8c\u516d\u65cf\uff0c\u6211\u5011\u66fe\u5728\uff1c<a href=\"http:\/\/case.ntu.edu.tw\/blog\/?p=28513\" target=\"_blank\" rel=\"noopener noreferrer\">\u4e09\u4e94\u65cf\u534a\u5c0e\u9ad4\u662f\u4ec0\u9ebc\uff1f<\/a>\uff1e\u4e00\u6587\u4e2d\u4ecb\u7d39\u904e\u9019\u985e\u534a\u5c0e\u9ad4\u3002\u4ed6\u5011\u672c\u8eab\u5c31\u662f\u7531\u4e09\u65cf\u8ddf\u4e94\u65cf\u5143\u7d20\u6240\u69cb\u6210\uff0c\u82e5\u662f\u8981\u8b93\u4ed6\u5011\u5f62\u6210 n \u578b\u8ddf p \u578b\u53c8\u8981\u600e\u9ebc\u505a\u5462\uff1f\u524d\u9762\u63d0\u5230\uff0c\u4f7f\u534a\u5c0e\u9ad4\u6210\u70ba n \u578b\u6216 p \u578b\u7684\u6a5f\u5236\u662f\u53d6\u4ee3\uff0c\u4e5f\u5c31\u662f\u647b\u96dc\u7269\u53d6\u4ee3\u8a72\u534a\u5c0e\u9ad4\u539f\u5b50\u672c\u4f86\u61c9\u8a72\u7ad9\u7684\u4f4d\u7f6e\u3002\u77fd\u76f8\u5c0d\u55ae\u7d14\uff0c\u56e0\u70ba\u647b\u96dc\u539f\u5b50\u9032\u4f86\u53ea\u80fd\u53d6\u4ee3\u77fd\u3002\u4f46\u4e09\u4e94\u65cf\u534a\u5c0e\u9ad4\u6216\u662f\u5176\u5b83\u5316\u5408\u7269\u7684\u534a\u5c0e\u9ad4\u7531\u4e0d\u53ea\u4e00\u500b\u5143\u7d20\u7d44\u6210\uff0c\u8981\u5224\u65b7\u647b\u96dc\u5f8c\u6210\u70ba p \u578b\u6216 n \u578b\u8981\u770b\u647b\u96dc\u7269\u53d6\u4ee3\u7684\u662f\u54ea\u500b\u539f\u5b50\u3002<\/p>\n<p>\u8209\u500b\u4f8b\u5b50\u4f86\u8aaa\uff0c\u85cd\u5149 LED \u7684\u4e3b\u8981\u6750\u6599\u6c2e\u5316\u93b5(GaN)\uff0c\u8981\u8b93\u4ed6\u5011\u5f62\u6210 p \u578b\u53ca n \u578b\u8981\u5206\u5225\u647b\u96dc\u9382(Mg)\u53ca\u77fd(Si)\u3002\u6c2e\u5316\u93b5\u76f8\u5c0d\u55ae\u7d14\uff0c\u647b\u96dc\u539f\u5b50\u7121\u8ad6\u662f\u9382\u6216\u77fd\u90fd\u662f\u53d6\u4ee3\u93b5\u3002\u56e0\u6b64\uff0c2\u50f9\u7684\u9382\u53d6\u4ee3\u93b5\uff0c\u5c0d\u6c2e\u5316\u93b5\u4f86\u8aaa\u5c31\u5c11\u4e86\u4e00\u500b\u50f9\u96fb\u5b50\uff0c\u5f62\u6210p\u578b\uff1b\u800c\u77fd\u56e0\u70ba\u662f\u53d6\u4ee3\u93b5\uff0c\u6240\u4ee5\u6574\u500b\u5316\u5408\u7269\u591a\u4e00\u500b\u96fb\u5b50\uff0c\u800c\u5f62\u6210p\u578b\u3002\u518d\u8209\u53e6\u4e00\u500b\u4f8b\u5b50\uff0c\u6c27\u5316\u92c5(ZnO)\u3002\u82e5\u647b\u96dc\u787c(B\uff0c3\u50f9)\uff0c\u787c\u6703\u53d6\u4ee3\u4e8c\u50f9\u7684\u92c5\uff0c\u800c\u6210\u70ba n \u578b\u6c27\u5316\u92c5\uff1b\u4f46\u82e5\u647b\u96dc\u6c2e(N\uff0c5\u50f9)\uff0c\u5247\u6703\u53d6\u4ee3\u6c27\uff0c\u5f62\u6210p\u578b\u6c27\u5316\u92c5\u3002<\/p>\n<p>\u7531\u6b64\u4e0a\u8ff0\u4f8b\u5b50\u53ef\u77e5\uff0c\u9078\u647b\u96dc\u7269\u6642\u4e0d\u50c5\u8981\u77e5\u9053\u647b\u96dc\u539f\u5b50\u672c\u8eab\u7684\u50f9\u6578\uff0c\u9084\u8981\u77e5\u9053\u4ed6\u53d6\u4ee3\u7684\u539f\u5b50\uff0c\u5426\u5247\u7121\u5f9e\u5224\u65b7\u3002\u4e0d\u50c5\u5982\u6b64\uff0c\u647b\u96dc\u7269\u4e5f\u4e0d\u662f\u60f3\u647b\u5c31\u647b\uff0c\u4e0d\u540c\u7684\u647b\u96dc\u7269\u4e5f\u9700\u8981\u4e0d\u540c\u7684\u88fd\u7a0b\u8abf\u63a7\u3002<\/p>\n<p>\u6700\u8fd1\u82ac\u862d\u7684\u963f\u723e\u6258\u5927\u5b78 Aalto University \u7269\u7406\u7cfb\u7684 Filip Tuomisto \u6559\u6388\u767c\u73fe\uff0c\u7576\u5c0d\u6c2e\u5316\u93b5\u647b\u96dc\u9239(Be)\u6642\uff0c\u5728\u4e0d\u540c\u689d\u4ef6\u4e0b\u53ef\u4ee5\u8b93\u6c2e\u5316\u93b5\u5f62\u6210 p \u578b\u6216 n \u578b\u3002\u4e5f\u5c31\u662f\u4e00\u7a2e\u647b\u96dc\u7269\u53ef\u4ee5\u7522\u751f\u5169\u7a2e\u7d50\u679c\u3002\u9019\u9805\u7814\u7a76\u6210\u679c\u53ef\u4ee5\u6e1b\u5c11\u5728\u647b\u96dc\u904e\u7a0b\u4e2d\u7684\u88fd\u7a0b\u6210\u672c\uff0c\u56e0\u70ba\u53ea\u9700\u8981\u7528\u5230\u4e00\u7a2e\u647b\u96dc\u7269\u5373\u53ef\u505a\u51fa p \u578b\u6216 n \u578b\u3002<\/p>\n<p>\u9019\u500b\u7279\u6b8a\u884c\u70ba\u7684\u6a5f\u5236\u5176\u5be6\u5f88\u7c21\u55ae\uff0c\u7576\u647b\u96dc\u9239\u6642\uff0c\u9239\u672c\u8eab\u7406\u61c9\u6703\u53d6\u4ee3\u93b5\u539f\u5b50\u800c\u5f62\u6210 p \u578b\u534a\u5c0e\u9ad4\u3002\u4f46\u7531\u65bc\u9239\u5728\u9031\u671f\u8868\u7684\u7b2c\u4e8c\u884c\uff0c\u539f\u5b50\u534a\u5f91\u5c0f\uff0c\u56e0\u6b64\u7576\u9239\u88ab\u647b\u96dc\u5230\u6c2e\u5316\u93b5\u88e1\u5f8c\uff0c\u9239\u539f\u5b50\u4e0d\u4e00\u5b9a\u6703\u53d6\u4ee3\u67d0\u4e00\u500b\u93b5\u539f\u5b50\uff0c\u800c\u662f\u5f85\u5728\u6c2e\u5316\u93b5\u6676\u9ad4\u7684\u7e2b\u9699\u4e2d\uff0c\u7576\u9239\u4e0d\u53d6\u4ee3\u4efb\u4f55\u539f\u5b50\uff0c\u53ea\u662f\u5361\u5728\u7e2b\u9699\u4e2d\u6642\uff0c\u5c31\u50cf\u6676\u9ad4\u591a\u4e86\u5169\u500b\u50f9\u96fb\u5b50\uff0c\u56e0\u6b64\u6c2e\u5316\u93b5\u5c31\u6703\u8b8a n \u578b\u3002<\/p>\n<p>\u540c\u4e00\u7a2e\u647b\u96dc\u539f\u5b50\u53ef\u4ee5\u6709\u5169\u7a2e\u884c\u70ba\uff0c\u4e26\u4e0d\u662f\u96a8\u6a5f\u7522\u751f\u7684\uff0c\u800c\u662f\u8ddf\u88fd\u7a0b\u6eab\u5ea6\u6709\u95dc\u3002\u4e00\u822c\u88fd\u4f5c\u9239\u647b\u96dc\u7684\u6c2e\u5316\u93b5\u70ba 675\u2013770 \u00b0C\u3002\u4f46\u7576\u88fd\u7a0b\u6eab\u5ea6\u8d85\u904e 900\u00b0C \u6642\uff0c\u7531\u65bc\u6c2e\u5316\u93b5\u6676\u9ad4\u5167\u90e8\u7f3a\u9677\u6e1b\u5c11[\u8a3b]\uff0c\u56e0\u6b64\u9239\u539f\u5b50\u6c92\u6709\u93b5\u7684\u4f4d\u7f6e\u53ef\u4f54\uff0c\u53ea\u597d\u5361\u5728\u7e2b\u9699\u4e2d\uff0c\u5f62\u6210 n \u578b\u6c2e\u5316\u93b5\uff1b\u53cd\u4e4b\uff0c\u6c2e\u5316\u93b5\u6676\u9ad4\u5167\u90e8\u4fbf\u6709\u5f88\u591a\u7f3a\u4f4d\uff0c\u9239\u53ef\u4ee5\u76f4\u63a5\u7ad9\u5728\u93b5\u539f\u5b50\u7684\u4f4d\u7f6e\u4e0a\uff0c\u5f62\u6210 p \u578b\u3002<\/p>\n<p>\u9019\u9805\u6280\u8853\u53b2\u5bb3\u8655\u5728\u65bc\u50c5\u50c5\u5229\u7528\u4e00\u7a2e\u647b\u96dc\u7269\uff0c\u6539\u8b8a\u88fd\u7a0b\u6eab\u5ea6\u5c31\u53ef\u4ee5\u9054\u6210\u5169\u7a2e\u4e0d\u540c\u72c0\u614b\uff0c\u53ef\u4ee5\u6e1b\u5c11\u8a31\u591a\u88fd\u7a0b\u6210\u672c\u3002Tuomisto \u6559\u6388\u8868\u793a\uff1a\u300c\u6211\u5011\u4e86\u89e3\u9239\u5982\u4f55\u56e0\u70ba\u88fd\u9020\u904e\u7a0b\u7684\u4e0d\u540c\u6539\u8b8a\u884c\u70ba\uff0c\u9019\u9805\u7d50\u679c\u63d0\u4f9b\u7d66\u5be6\u9a57\u79d1\u5b78\u5bb6\u6975\u5177\u50f9\u503c\u7684\u8cc7\u8a0a\u3002\u300d\u9019\u9805\u7814\u7a76\u6210\u679c\u767c\u8868\u5728 <em>Physical Review Letters<\/em> \u671f\u520a\u4e0a\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong>[\u8a3b]<\/strong>\u4efb\u4f55\u6750\u6599\u90fd\u4e0d\u662f\u5b8c\u7f8e\u7684\uff0c\u5167\u90e8\u4e00\u5b9a\u6703\u6709\u7f3a\u9677\u3002\u6c2e\u5316\u93b5\u4e0d\u6703\u4e00\u500b\u863f\u8514\u4e00\u500b\u5751\uff0c\u6703\u6709\u672c\u4f86\u5c6c\u65bc\u93b5\u6216\u6c2e\u7684\u4f4d\u7f6e\u7a7a\u8457\u3002\u4e00\u822c\u4f86\u8aaa\u6eab\u5ea6\u4e0a\u5347\u6709\u52a9\u65bc\u6e1b\u5c11\u9019\u4e9b\u7f3a\u4f4d\u3002<\/p>\n<p><strong>\u539f\u59cb\u8ad6\u6587\uff1a<\/strong>Tuomisto, Filip, Vera Prozheeva, Ilja Makkonen, Thomas H. Myers, Michal Bockowski, and Henryk Teisseyre. \"Amphoteric Be in GaN: Experimental Evidence for Switching between Substitutional and Interstitial Lattice Sites.\" Physical Review Letters 119, no. 19 (2017): 196404.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u53c3\u8003\u8cc7\u6599\uff1a<\/strong><\/p>\n<ol>\n<li><a href=\"http:\/\/www.aalto.fi\/en\/current\/news\/2017-11-09-002\/\" target=\"_blank\" rel=\"noopener noreferrer\">The next generation of power electronics? Gallium nitride doped with beryllium<\/a><\/li>\n<li><a href=\"http:\/\/www.ee.sc.edu\/personal\/faculty\/simin\/ELCT871\/08%20Doping.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Doping of Wide Bandgap Semiconductors<\/a><\/li>\n<\/ol>\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\u534a\u5c0e\u9ad4\u7684\u647b\u96dc(doping)\u56e0\u6750\u6599\u800c\u7570\uff0c\u4e00\u822c\u4f86\u8aaa\u8981\u5f62\u6210 n \u578b\u6216 p \u578b\u9700\u8981\u4e0d\u540c\u7684\u647b\u96dc\u7269(dopant)\uff0c\u4f46\u6c2e\u5316\u93b5(GaN)\u537b\u80fd\u7528\u540c\u4e00\u7a2e\u647b\u96dc\u7269\u9054\u6210\u3002<\/p>\n","protected":false},"author":20,"featured_media":29965,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1023,3293],"tags":[3670,3669,1045,2103],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2017\/11\/1123.jpg","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/29961"}],"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=29961"}],"version-history":[{"count":3,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/29961\/revisions"}],"predecessor-version":[{"id":31919,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/29961\/revisions\/31919"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/29965"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=29961"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=29961"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=29961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}