{"id":48,"date":"2021-12-09T15:30:26","date_gmt":"2021-12-09T06:30:26","guid":{"rendered":"https:\/\/kaneko-lab.ritsumei.ac.jp\/?page_id=48"},"modified":"2022-11-08T16:12:48","modified_gmt":"2022-11-08T07:12:48","slug":"research","status":"publish","type":"page","link":"https:\/\/kaneko-lab.ritsumei.ac.jp\/en\/research\/","title":{"rendered":"Research"},"content":{"rendered":"<p><\/p>\n<h2 id=\"1\">\u4e8c\u9178\u5316\u30b2\u30eb\u30de\u30cb\u30a6\u30e0\u8584\u819c\u306e\u5408\u6210\u3068\u30d1\u30ef\u30fc\u30c7\u30d0\u30a4\u30b9\u5fdc\u7528<\/h2>\n<p>\u4e8c\u9178\u5316\u30b2\u30eb\u30de\u30cb\u30a6\u30e0(GeO<sub>2<\/sub>)\u306f\u53e4\u304f\u3066\u65b0\u3057\u3044\u6750\u6599\u3067\u3059\u304c\u30012018\u5e74\u9803\u3088\u308a\u30d0\u30f3\u30c9\u30ae\u30e3\u30c3\u30d7\u304c4.68 eV\u3068\u5de8\u5927\u3067\u3042\u308a\u306a\u304c\u3089\u3001p\u578b\u3068n\u578b\u306e\u4f1d\u5c0e\u5236\u5fa1\u304c\u53ef\u80fd\u3067\u3042\u308b\u4e8b\u306a\u3069\u304c\u7406\u8ad6\u7684\u306b\u4e88\u6e2c\u3055\u308c\u306f\u3058\u3081\u3001\u30d1\u30ef\u30fc\u30c7\u30d0\u30a4\u30b9\u3068\u3057\u3066\u9ad8\u3044\u30dd\u30c6\u30f3\u30b7\u30e3\u30eb\u3092\u3082\u3064\u4e8b\u304c\u6ce8\u76ee\u3055\u308c\u59cb\u3081\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u3001\u69d8\u3005\u306a\u5408\u6210\u624b\u6cd5\u306b\u3088\u308a\u30d0\u30eb\u30af\u5408\u6210\u304c\u53ef\u80fd\u3067\u3042\u308b\u305f\u3081\u3001\u5c06\u6765\u7684\u306b\u306f\u57fa\u677f\u306e\u5927\u91cf\u4f9b\u7d66\u3068\u30db\u30e2\u30a8\u30d4\u30bf\u30ad\u30b7\u30e3\u30eb\u6210\u9577\u819c\u306e\u91cf\u7523\u304c\u53ef\u80fd\u3067\u3042\u308b\u4e8b\u304c\u793a\u5506\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u3053\u306e\u6750\u6599\u306f\u5f93\u6765\u3001\u8584\u819c\u5408\u6210\u306b\u304a\u3044\u3066\u306f\u7d50\u6676\u306b\u306a\u308a\u3065\u3089\u304f\u5408\u6210\u304c\u56f0\u96e3\u3067\u3057\u305f\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u5f53\u7814\u7a76\u5ba4\u3067\u306f2021\u5e748\u6708\u306b\u539a\u819c\u306e\u5408\u6210\u3092\u5831\u544a\u3057\u3001\u4eca\u5f8c\u3082\u7814\u7a76\u3092\u9032\u3081\u3066\u53c2\u308a\u307e\u3059\u3002<\/p>\n<p>( H. Takane and K. Kaneko, Applied Physics Letters Vol.119, pp.062104(1-6) (2021).)\u3000<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kaneko-lab.ritsumei.ac.jp\/wp-content\/uploads\/2022\/03\/theme1-300x195.jpg\" alt=\"\" width=\"300\" height=\"195\" class=\"alignnone size-medium wp-image-191\" srcset=\"https:\/\/kaneko-lab.ritsumei.ac.jp\/wp-content\/uploads\/2022\/03\/theme1-300x195.jpg 300w, https:\/\/kaneko-lab.ritsumei.ac.jp\/wp-content\/uploads\/2022\/03\/theme1.jpg 391w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>GeO<sub>2<\/sub>\u8584\u819c\u3068TiO<sub>2<\/sub>\u57fa\u677f\u754c\u9762\u306b\u304a\u3051\u308b\u65ad\u9762TEM\u753b\u50cf<\/p>\n<h2 id=\"2\">p\u578b\u8d85\u30ef\u30a4\u30c9\u30d0\u30f3\u30c9\u30ae\u30e3\u30c3\u30d7\u534a\u5c0e\u4f53\u306e\u958b\u62d3\u3068\u30c7\u30d0\u30a4\u30b9\u5fdc\u7528<\/h2>\n<p>\u534a\u5c0e\u4f53\u306e\u7981\u5236\u5e2f\u5e45\u3068\u30e1\u30b8\u30e3\u30fc\u30ad\u30e3\u30ea\u30a2\u306e\u5bc6\u5ea6\u306f\u7d4c\u9a13\u5247\u7684\u306b\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u3068\u306a\u308b\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u3053\u306e\u7d4c\u9a13\u5247\u306b\u77db\u76fe\u3059\u308b\u6750\u6599\u304c\u8fd1\u5e74\u591a\u304f\u767a\u898b\u30fb\u958b\u62d3\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u306f4.0 eV\u4ee5\u4e0a\u306e\u5de8\u5927\u306a\u30d0\u30f3\u30c9\u30ae\u30e3\u30c3\u30d7\u3092\u3082\u3064\u6750\u6599\u7fa4\u3067\u3042\u308a\u3001\u30c0\u30a4\u30e4\u30e2\u30f3\u30c9(C)\u3084\u7a92\u5316\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u30ac\u30ea\u30a6\u30e0(AlGaN)\u3001\u9178\u5316\u30ac\u30ea\u30a6\u30e0(Ga<sub>2<\/sub>O<sub>3<\/sub>)\u306a\u3069\u3067\u3059\u3002\u3053\u306e\u4e2d\u3067\u3001\u6709\u610f\u306a\u30ad\u30e3\u30ea\u30a2\u5bc6\u5ea6\u3068\u30ad\u30e3\u30ea\u30a2\u30bf\u30a4\u30d7\u5236\u5fa1\u304c\u51fa\u6765\u308b\u6750\u6599\u3068\u3057\u3066\u30c0\u30a4\u30e4\u30e2\u30f3\u30c9\u3084AlGaN\u306f\u512a\u308c\u305f\u7279\u6027\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u3067\u3001\u9178\u5316\u30ac\u30ea\u30a6\u30e0(Ga<sub>2<\/sub>O<sub>3<\/sub>)\u306f\u3001\u5b89\u5b9a\u76f8\u306eb-Ga<sub>2<\/sub>O<sub>3<\/sub> (<em>Eg <\/em>= 4.5~ 4.9 eV)\u3084\u3001\u6e96\u5b89\u5b9a\u76f8\u306ea-Ga<sub>2<\/sub>O<sub>3<\/sub> (<em>Eg <\/em>= 5.3 ~ 5.7 eV)\u3092\u7528\u3044\u305f\u30c7\u30d0\u30a4\u30b9\u306e\u52d5\u4f5c\u304c\u5831\u544a\u3055\u308c\u3066\u304a\u308a\u3001\u4e00\u90e8\u306e\u30c7\u30d0\u30a4\u30b9\u306f\u65e2\u306b\u5e02\u8ca9\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u591a\u304f\u306e\u9178\u5316\u7269\u540c\u69d8\u306b\u3001\u4fa1\u96fb\u5b50\u5e2f\u304c\u9178\u7d20\u306e2p\u8ecc\u9053\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u4e8b\u304b\u3089\u6b63\u5b54\u306e\u79fb\u52d5\u5ea6\u304c\u6975\u3081\u3066\u5c0f\u3055\u304f\u3001\u30c9\u30fc\u30d4\u30f3\u30b0\u306b\u3088\u308bp\u578b\u30c1\u30e3\u30cd\u30eb\u5c64\u306e\u4f5c\u88fd\u304c\u56f0\u96e3\u3067\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001\u5f53\u7814\u7a76\u5ba4\u3067\u306f\u9178\u5316\u30ac\u30ea\u30a6\u30e0\u3068\u826f\u597d\u306a\u63a5\u5408\u3092\u5f62\u6210\u3059\u308b\u6750\u6599\u306b\u7740\u76ee\u3057\u3001\u305d\u306e\u5408\u6210\u3092\u9032\u3081\u3066\u304d\u307e\u3057\u305f\u3002\u4f8b\u3048\u3070a-Ga<sub>2<\/sub>O<sub>3<\/sub> \u3068\u540c\u3058\u7d50\u6676\u69cb\u9020(\u30b3\u30e9\u30f3\u30c0\u30e0\u69cb\u9020)\u3092\u3082\u3061\u3001p\u578b\u7279\u6027\u3092\u793a\u3059\u6750\u6599\u3068\u3057\u3066\u9178\u5316\u30ed\u30b8\u30a6\u30e0(a-Rh<sub>2<\/sub>O<sub>3<\/sub>)\u3001\u9178\u5316\u30a4\u30ea\u30b8\u30a6\u30e0(a-Ir<sub>2<\/sub>O<sub>3<\/sub>)\u306b\u6ce8\u76ee\u3057\u3001\u7d50\u6676\u819c\u306e\u5408\u6210\u3068p\u578b\u7279\u6027\u306e\u958b\u62d3\u3092\u884c\u3063\u3066\u304d\u307e\u3057\u305f\u3002\u6210\u679c\u306e\u4e00\u3064\u3068\u3057\u3066\u3001\u30d0\u30f3\u30c9\u30ae\u30e3\u30c3\u30d7\u304c4.2 eV\u3067p\u578b\u4f1d\u5c0e\u3092\u793a\u3059\u9178\u5316\u30a4\u30ea\u30b8\u30a6\u30e0\u30ac\u30ea\u30a6\u30e0(a-(Ir,Ga)<sub>2<\/sub>O<sub>3<\/sub>)\u3092\u7528\u3044\u3066a-Ga<sub>2<\/sub>O<sub>3<\/sub> \u3068\u63a5\u5408\u3092\u5f62\u6210\u3057\u3001100V\u4ee5\u4e0a\u306e\u9006\u65b9\u5411\u8010\u5727\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>(K. Kaneko, Y.Masuda, S. Kan, I. Takahashi, Y. Kato, T. Shinohe, and S. Fujita, Applied Physics Letters, Vol. 118, pp.102104(1-4) (2021). )<\/p>\n<h2 id=\"3\">\u3042\u305f\u3089\u3057\u3044\u6e96\u5b89\u5b9a\u76f8-\u975e\u5e73\u8861\u7cfb\u5316\u5408\u7269\u306e\u958b\u62d3<\/h2>\n<p>\u30c6\u30fc\u30de1,2\u306b\u901a\u3058\u307e\u3059\u304c\u3001\u597d\u5947\u5fc3\u306e\u307e\u307e\u306b\u69d8\u3005\u306a\u6e96\u5b89\u5b9a\u76f8\u5316\u5408\u7269\u3092\u5408\u6210\u3059\u308b\u4e8b\u3092\u5927\u5207\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u5c11\u3057\u53e4\u3044\u8a71\u3067\u3059\u304c\u3001\u91d1\u5b50\u304c\u5927\u5b66\u9662\u751f\u306e\u6642\u306b\u300c\u3053\u308c\u307e\u3067\u898b\u5411\u304d\u3082\u3055\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u5909\u306a\u9178\u5316\u7269\u3092\u4f5c\u308a\u3001\u65b0\u3057\u3044\u7269\u6027\u3092\u958b\u62d3\u3059\u308b\u300d\u3068\u3044\u3046\u300c\u30c4\u30c1\u30ce\u30b3\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u300d\u3092\u59cb\u3081\u3001\u6307\u5c0e\u6559\u5b98\u3067\u3042\u3063\u305f\u85e4\u7530\u9759\u96c4 \u4eac\u90fd\u5927\u5b66\u6559\u6388(\u73fe\uff1a\u4eac\u90fd\u5927\u5b66\u540d\u8a89\u6559\u6388)\u304b\u3089\u304a\u8a31\u3057\u3092\u9802\u304d\u3001\u69d8\u3005\u306a\u9178\u5316\u7269\u3092\u5408\u6210\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u300c\u5909\u306a\u9178\u5316\u7269\u300d\u306e\u7814\u7a76\u3068\u3044\u3046\u306e\u306f\u5f53\u7136\u306a\u304c\u3089\u3001\u5148\u884c\u7814\u7a76\u304c\u5c11\u306a\u304f\u53c2\u8003\u6587\u732e\u3082\u4e4f\u3057\u3044\u3082\u306e\u3067\u3001\u307e\u3055\u306b\u6697\u95c7\u306e\u4e2d\u3092\u624b\u63a2\u308a\u3067\u9032\u3081\u308b\u72b6\u614b\u3067\u3057\u305f\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u3053\u306e\u624b\u63a2\u308a\u304c\u5999\u306b\u9762\u767d\u304f\u3001\u304a\u5316\u3051\u5c4b\u6577\u3084\u591c\u91e3\u308a\u306e\u3088\u3046\u306b\u3001\u6697\u95c7\u72ec\u7279\u306e\u30ef\u30af\u30ef\u30af\u3001\u30c9\u30ad\u30c9\u30ad\u3059\u308b\u6c17\u6301\u3061\u304c\u9577\u304f\u7d9a\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u6c17\u6301\u3061\u3092\u5927\u5207\u306b\u3057\u306a\u304c\u3089\u3001\u4eca\u65e5\u3082\u65b0\u3057\u3044\u6750\u6599\u306b\u6311\u3093\u3067\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<h2>\u7814\u7a76\u5185\u5bb9<\/h2>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><a href=\"#1\">\u4e8c\u9178\u5316\u30b2\u30eb\u30de\u30cb\u30a6\u30e0\u8584\u819c\u306e\u5408\u6210\u3068\u30d1\u30ef\u30fc\u30c7\u30d0\u30a4\u30b9\u5fdc\u7528<\/a><\/li>\n<li><a href=\"#2\">p\u578b\u8d85\u30ef\u30a4\u30c9\u30d0\u30f3\u30c9\u30ae\u30e3\u30c3\u30d7\u534a\u5c0e\u4f53\u306e\u958b\u62d3\u3068\u30c7\u30d0\u30a4\u30b9\u5fdc\u7528<\/a><\/li>\n<li><a href=\"#3\">\u3042\u305f\u3089\u3057\u3044\u6e96\u5b89\u5b9a\u76f8-\u975e\u5e73\u8861\u7cfb\u5316\u5408\u7269\u306e\u958b\u62d3<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-48","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/kaneko-lab.ritsumei.ac.jp\/en\/wp-json\/wp\/v2\/pages\/48","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kaneko-lab.ritsumei.ac.jp\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/kaneko-lab.ritsumei.ac.jp\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/kaneko-lab.ritsumei.ac.jp\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kaneko-lab.ritsumei.ac.jp\/en\/wp-json\/wp\/v2\/comments?post=48"}],"version-history":[{"count":18,"href":"https:\/\/kaneko-lab.ritsumei.ac.jp\/en\/wp-json\/wp\/v2\/pages\/48\/revisions"}],"predecessor-version":[{"id":429,"href":"https:\/\/kaneko-lab.ritsumei.ac.jp\/en\/wp-json\/wp\/v2\/pages\/48\/revisions\/429"}],"wp:attachment":[{"href":"https:\/\/kaneko-lab.ritsumei.ac.jp\/en\/wp-json\/wp\/v2\/media?parent=48"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}