{"id":345,"date":"2016-09-23T08:00:16","date_gmt":"2016-09-22T23:00:16","guid":{"rendered":"http:\/\/ilab.imr.tohoku.ac.jp\/wp\/?p=345"},"modified":"2022-04-14T12:05:40","modified_gmt":"2022-04-14T03:05:40","slug":"dvd%ef%bc%8f%e3%83%96%e3%83%ab%e3%83%bc%e3%83%ac%e3%82%a4%e3%83%87%e3%82%a3%e3%82%b9%e3%82%af%e6%9d%90%e6%96%99%e5%90%88%e9%87%91%e3%81%8c%e8%b6%85%e9%ab%98%e9%80%9f%e3%81%a7%e7%9b%b8%e5%a4%89","status":"publish","type":"post","link":"https:\/\/ilab.imr.tohoku.ac.jp\/?p=345","title":{"rendered":"PRESS RELEASE(@Kyoto Univ):
Mechanism of ultrafast phase change in the materials used for DVD\/Blu-ray discs
DVD\uff0f\u30d6\u30eb\u30fc\u30ec\u30a4\u30c7\u30a3\u30b9\u30af\u6750\u6599\u5408\u91d1\u304c\u8d85\u9ad8\u901f\u3067\u76f8\u5909\u5316\u3059\u308b\u30e1\u30ab\u30cb\u30ba\u30e0"},"content":{"rendered":"

\u5149\u76f8\u5909\u5316\u8d85\u9ad8\u901f\u76f8\u5909\u5316\u6a5f\u69cb \u2015\u9ad8\u901f\u3067\u7701\u96fb\u529b\u306e\u8a18\u61b6\u5a92\u4f53\u958b\u767a\u3078\u8ca2\u732e\u2015<\/p>\n


\n<\/i>Physical Review Letters 117<\/strong>, 135501 (2016)<\/a>
\n2016\u5e749\u670823\u65e5 15:00 | \u30d7\u30ec\u30b9\u30ea\u30ea\u30fc\u30b9<\/p>\n

DVD\u3084\u30d6\u30eb\u30fc\u30ec\u30a4\u30c7\u30a3\u30b9\u30af\u306a\u3069\u66f8\u63db\u578b\u5149\u30c7\u30a3\u30b9\u30af\u306e\u30c7\u30fc\u30bf\u8a18\u9332\u5c64\u3068\u3057\u3066\u5e83\u304f\u7528\u3044\u3089\u308c\u3066\u3044\u308b\u30ab\u30eb\u30b3\u30b2\u30ca\u30a4\u30c9\u7cfb\u5149\u76f8\u5909\u5316\u7269\u8ceaGe-Sb-Te\uff08\u4ee5\u4e0b\u3001GST\uff09\u306f\u3001\u30ca\u30ce\u79d2\uff08ns: 10-9<\/sup>s\uff09\u5358\u4f4d\u306e\u30ec\u30fc\u30b6\u30fc\u30d1\u30eb\u30b9\u306b\u3088\u308a\u3001\u7d50\u6676\u72b6\u614b\u3068\u30a2\u30e2\u30eb\u30d5\u30a1\u30b9\u72b6\u614b\u306e\u9593\u3067\u5909\u5316\u3057\u3001\u5927\u304d\u306a\u53cd\u5c04\u7387\u5909\u5316\u304c\u8d77\u304d\u307e\u3059\u3002\u5149\u30c7\u30a3\u30b9\u30af\u3067\u306f\u3053\u306e\u4ed5\u7d44\u307f\u3092\u5229\u7528\u3057\u3066\u30c7\u30fc\u30bf\u306e\u8a18\u9332\u3084\u8aad\u307f\u8fbc\u307f\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002GST\u306f\u7d50\u6676\u3068\u30a2\u30e2\u30eb\u30d5\u30a1\u30b9\u306e\u3069\u3061\u3089\u306e\u72b6\u614b\u3067\u3082\u71b1\u306e\u5909\u5316\u306b\u5f37\u3044\u3068\u3044\u3046\u7279\u5fb4\u3092\u6301\u3064\u305f\u3081\u3001\u5b9f\u7528\u7684\u306a\u6750\u6599\u3068\u3057\u3066\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u8fd1\u5e74\u3001GST\u304c\u30d5\u30a7\u30e0\u30c8\u79d2\uff08fs: 10-15<\/sup>s\uff09\u306e\u6975\u3081\u3066\u77ed\u3044\u30ec\u30fc\u30b6\u30fc\u30d1\u30eb\u30b9\uff08\u30d5\u30a7\u30e0\u30c8\u79d2\u30ec\u30fc\u30b6\u30fc\uff09\u306e\u7167\u5c04\u306b\u3088\u308a\u7d50\u6676\u76f8\u304b\u3089\u30a2\u30e2\u30eb\u30d5\u30a1\u30b9\u76f8\u3078\u306e\u76f8\u5909\u5316\u3092\u30d4\u30b3\u79d2\uff08ps: 10-12<\/sup>s\uff09\u7a0b\u5ea6\u3067\u8d77\u3053\u3059\u3068\u3044\u3046\u5831\u544a\u304c\u306a\u3055\u308c\u3001\u8a18\u9332\u901f\u5ea6\u306e\u98db\u8e8d\u7684\u306a\u5411\u4e0a\u3084\u6d88\u8cbb\u96fb\u529b\u524a\u6e1b\u306e\u53ef\u80fd\u6027\u304b\u3089\u6ce8\u76ee\u3092\u96c6\u3081\u3066\u3044\u307e\u3059\u3002\u30d5\u30a7\u30e0\u30c8\u79d2\u30ec\u30fc\u30b6\u30fc\u7167\u5c04\u306b\u3088\u308b\u9ad8\u901f\u30a2\u30e2\u30eb\u30d5\u30a1\u30b9\u5316\u30e1\u30ab\u30cb\u30ba\u30e0\u306e\u89e3\u660e\u306f\u3001\u4eca\u5f8c\u306e\u6750\u6599\u8a2d\u8a08\u306b\u5bfe\u3057\u975e\u5e38\u306b\u91cd\u8981\u3067\u3042\u308b\u3053\u3068\u304b\u3089\u3001\u7406\u8ad6\u8a08\u7b97\u3092\u30d9\u30fc\u30b9\u306b\u3044\u304f\u3064\u304b\u306e\u30e2\u30c7\u30eb\u304c\u63d0\u6848\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u308c\u3089\u306f\u3044\u305a\u308c\u3082\u69cb\u9020\u5909\u5316\u3092\u5b9f\u969b\u306b\u76f4\u63a5\u89b3\u5bdf\u3057\u3066\u5f97\u3089\u308c\u305f\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u305d\u306e\u69cb\u9020\u5909\u5316\u904e\u7a0b\u306b\u3064\u3044\u3066\u306f\u307e\u3060\u3088\u304f\u308f\u304b\u3063\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n

\u4eac\u90fd\u5927\u5b66\u5de5\u5b66\u7814\u7a76\u79d1\u6750\u6599\u5de5\u5b66\u5c02\u653b\u306e\u677e\u539f\u82f1\u4e00\u90ce\u6559\u6388\u3001\u5e02\u576a\u54f2\u51c6\u6559\u6388\u3001\u5c71\u7530\u6607\u7279\u5b9a\u6559\u6388\u3089\u306e\u30b0\u30eb\u30fc\u30d7\u3001\u304a\u3088\u3073\u3001\u5927\u962a\u5927\u5b66\u8d85\u9ad8\u5727\u96fb\u5b50\u9855\u5fae\u93e1\u30bb\u30f3\u30bf\u30fc\u306e\u8c37\u6751\u514b\u5df1\u7279\u4efb\u6559\u6388\u3001\u6771\u5317\u5927\u5b66\u539f\u5b50\u5206\u5b50\u6750\u6599\u79d1\u5b66\u9ad8\u7b49\u7814\u7a76\u6a5f\u69cb\uff08WPI-AIMR\uff09\u9673\u660e\u5049\u6559\u6388\u3089\u306e\u7814\u7a76\u30b0\u30eb\u30fc\u30d7\u306f\u3001\u30d5\u30a7\u30e0\u30c8\u79d2\u30ec\u30fc\u30b6\u30fc\u306b\u3088\u3063\u3066\u76f8\u5909\u5316\u3059\u308bGST\u5408\u91d1\u306e\u69cb\u9020\u5909\u5316\u30c0\u30a4\u30ca\u30df\u30af\u30b9\u3092\u660e\u3089\u304b\u306b\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3001SACLA\uff08\u7406\u7814\uff09\u306eX\u7dda\u81ea\u7531\u96fb\u5b50\u30ec\u30fc\u30b6\u30fc\u3092\u7528\u3044\u3066\u30d4\u30b3\u79d2\u4ee5\u4e0b\u306e\u6642\u9593\u523b\u307f\u3067\u6642\u9593\u5206\u89e3X\u7dda\u56de\u6298\uff08XRD\uff09\u3092\u30d7\u30ed\u30fc\u30d6\u3068\u3059\u308b\u30dd\u30f3\u30d7\u30fb\u30d7\u30ed\u30fc\u30d6\u6e2c\u5b9a\u3092\u884c\u3044\u307e\u3057\u305f\u3002GST\u5408\u91d1\u306e\u4e2d\u3067\u3082\u4ee3\u8868\u7684\u306a\u7d44\u6210\u3067\u3042\u308bGe2<\/sub>Sb2<\/sub>Te5<\/sub>\uff08\u5ca9\u5869\u578b\u69cb\u9020\uff09\u3068GeTe\uff08\u6b6a\u3093\u3060\u5ca9\u5869\u578b\u69cb\u9020\uff09\u306e\u30d5\u30a7\u30e0\u30c8\u79d2\u30ec\u30fc\u30b6\u30fc\u52b1\u8d77\u76f4\u5f8c\u306e\u7d50\u6676\u69cb\u9020\u5909\u5316\u306e\u7d4c\u6642\u5909\u5316\u3092\u660e\u3089\u304b\u306b\u3057\u3001\u4f75\u305b\u3066\u5149\u5b66\u7279\u6027\u306b\u95a2\u3059\u308b\u30dd\u30f3\u30d7\u30fb\u30d7\u30ed\u30fc\u30d6\u6e2c\u5b9a\u3001\u7b2c\u4e00\u539f\u7406\u5206\u5b50\u52d5\u529b\u5b66\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u7d50\u679c\u3092\u7dcf\u5408\u7684\u306b\u89e3\u91c8\u3057\u3066\u76f8\u5909\u5316\u6750\u6599\u306e\u9ad8\u901f\u76f8\u5909\u5316\u6319\u52d5\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u3064\u3044\u3066\u8003\u5bdf\u3057\u307e\u3057\u305f\u3002<\/p>\n

\u89b3\u6e2c\u3068\u8003\u5bdf\u306e\u7d50\u679c\u3001\u8208\u5473\u6df1\u3044Ge\uff08\u30b2\u30eb\u30de\u30cb\u30a6\u30e0\uff09\u539f\u5b50\u306e\u52d5\u304d\u304c\u89b3\u6e2c\u3055\u308c\u307e\u3057\u305f\u3002\u5ca9\u5869\u578b\u69cb\u9020\u3067\u306f\u3001\u5404Ge\u539f\u5b50\u306f6\u3064\u306eTe\uff08\u30c6\u30eb\u30eb\uff09\u539f\u5b50\u304b\u3089\u306a\u308b\u516b\u9762\u4f53\u306e\u4e2d\u5fc3\u4ed8\u8fd1\u306b\u3001\u308f\u305a\u304b\u306b\u305a\u308c\u3066\u5b58\u5728\u3057\u3066\u3044\u307e\u3059\u3002\u30d5\u30a7\u30e0\u30c8\u79d2\u30ec\u30fc\u30b6\u30fc\u52b1\u8d77\u76f4\u5f8c\u3001Ge\u539f\u5b50\u306e\u52d5\u304d\u304cTe\u539f\u5b50\u306e\u52d5\u304d\u3068\u6bd4\u3079\u3066\u306f\u308b\u304b\u306b\u5927\u304d\u304f\u306a\u308a\u3001\u516b\u9762\u4f53\u4e2d\u5fc3\u304b\u3089\u306e\u5909\u4f4d\u3092\u4fdd\u3061\u306a\u304c\u3089\u3001\u3042\u308b\u7403\u6bbb\u4e0a\u306e\u4efb\u610f\u30b5\u30a4\u30c8\u9593\u3092\u632f\u52d5\u3042\u308b\u3044\u306f\u904b\u52d5\u3059\u308b\u300cRattling motion\u300d\u3092\u751f\u3058\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002\u304b\u3054\uff08Te\uff09\u306e\u4e2d\u306b\u9234\u3084\u30dc\u30fc\u30eb\uff08Ge\uff09\u3092\u5165\u308c\u632f\u308a\u56de\u3059\u3088\u3046\u306a\u904b\u52d5\u3067\u3059\u3002\u3053\u306eRattling motion\u306f\u3001GST\u7cfb\u7d50\u6676\u306e\u5149\u5b66\u7279\u6027\u3092\u751f\u3080\u7279\u7570\u306a\u7d50\u5408\u30e2\u30fc\u30c9\uff08\u4ee5\u4e0b\u3001\u5171\u9cf4\u7d50\u5408\uff09\u3092\u77ac\u6642\u306b\u58ca\u3059\u3053\u3068\u304c\u53ef\u80fd\u3068\u8003\u3048\u3089\u308c\u3001\u65e2\u306b\u5831\u544a\u3055\u308c\u3066\u3044\u308b\u9ad8\u901f\u53cd\u5c04\u7387\u5909\u5316\u3092\u3046\u307e\u304f\u8aac\u660e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u540c\u6642\u306b\u884c\u3063\u305f\u7b2c\u4e00\u539f\u7406\u5206\u5b50\u52d5\u529b\u5b66\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308a\u5f97\u3089\u308c\u305f\u30a2\u30e2\u30eb\u30d5\u30a1\u30b9\u69cb\u9020\u3092\u89e3\u6790\u3059\u308b\u3068\u3001\u524d\u8ff0\u306e\u7d50\u6676\u306b\u7279\u6709\u306e\u5171\u9cf4\u7d50\u5408\u72b6\u614b\u304b\u3089\u3001\u672c\u6765\u7684\u306a\u7d50\u5408\uff08Ge-Te\u7d50\u5408\u306e\u4e8c\u91cf\u4f53\u5316\uff09\u3078\u3068\u7d44\u307f\u63db\u3048\u304c\u751f\u3058\u3084\u3059\u304f\u306a\u308a\u3001\u3084\u304c\u3066\u30a2\u30e2\u30eb\u30d5\u30a1\u30b9\u5316\u304c\u751f\u3058\u308b\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u3059\u306a\u308f\u3061\u3001\u30d5\u30a7\u30e0\u30c8\u79d2\u52b1\u8d77\u2192\u30e9\u30c8\u30ea\u30f3\u30b0\u30e2\u30fc\u30b7\u30e7\u30f3\u2192\u4e8c\u91cf\u4f53\u5316\u2192\u30a2\u30e2\u30eb\u30d5\u30a1\u30b9\u5316\u3068\u3044\u3046\u904e\u7a0b\u3067\u8d85\u9ad8\u901f\u76f8\u5909\u5316\u304c\u8a98\u767a\u3055\u308c\u308b\u3068\u3044\u3046\u65b0\u305f\u306a\u6a5f\u69cb\u3092\u63d0\u6848\u3057\u305f\u306e\u304c\u4eca\u56de\u306e\u6210\u679c\u3067\u3059\u3002\u8ad6\u6587\u306f9\u670821\u65e5\u30aa\u30f3\u30e9\u30a4\u30f3\u520a\u884c\u306ePhysical Review Letters\u306b\u63b2\u8f09\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n

<\/i>\u4eac\u90fd\u5927<\/a>,\u3000<\/i>\u6771\u5317\u5927<\/a>,\u3000<\/i>\u6771\u5317\u5927\u6750\u6599\u79d1\u5b66\u9ad8\u7b49\u7814\u7a76\u79d1\uff08AIMR\uff09<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u5149\u76f8\u5909\u5316\u8d85\u9ad8\u901f\u76f8\u5909\u5316\u6a5f\u69cb \u2015\u9ad8\u901f\u3067\u7701\u96fb\u529b\u306e\u8a18\u61b6\u5a92\u4f53\u958b\u767a\u3078\u8ca2\u732e\u2015<\/p>\n","protected":false},"author":1,"featured_media":3470,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,19],"tags":[],"_links":{"self":[{"href":"https:\/\/ilab.imr.tohoku.ac.jp\/index.php?rest_route=\/wp\/v2\/posts\/345"}],"collection":[{"href":"https:\/\/ilab.imr.tohoku.ac.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ilab.imr.tohoku.ac.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ilab.imr.tohoku.ac.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ilab.imr.tohoku.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=345"}],"version-history":[{"count":19,"href":"https:\/\/ilab.imr.tohoku.ac.jp\/index.php?rest_route=\/wp\/v2\/posts\/345\/revisions"}],"predecessor-version":[{"id":1717,"href":"https:\/\/ilab.imr.tohoku.ac.jp\/index.php?rest_route=\/wp\/v2\/posts\/345\/revisions\/1717"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ilab.imr.tohoku.ac.jp\/index.php?rest_route=\/wp\/v2\/media\/3470"}],"wp:attachment":[{"href":"https:\/\/ilab.imr.tohoku.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ilab.imr.tohoku.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ilab.imr.tohoku.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}