{"id":2285,"date":"2026-11-06T21:00:00","date_gmt":"2026-11-06T12:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=2285"},"modified":"2026-11-05T12:39:14","modified_gmt":"2026-11-05T03:39:14","slug":"qs-feps3-thermal-magnon-phonon-20261105","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=2285","title":{"rendered":"FePS3\u306e\u30de\u30b0\u30ce\u30f3\u30fb\u30d5\u30a9\u30ce\u30f3\u6df7\u6210\u3001\u6e29\u3081\u308b\u307b\u3069\u5171\u9cf4\u306b\u8fd1\u3065\u304f\u4ed5\u7d44\u307f"},"content":{"rendered":"<p>\u78c1\u6027\u4f53\u306e\u4e2d\u3067\u306f\u3001\u30b9\u30d4\u30f3\u306e\u63fa\u308c\u3068\u539f\u5b50\u306e\u632f\u52d5\u304c\u4e92\u3044\u306b\u5f71\u97ff\u3057\u3001\u4e21\u65b9\u306e\u6027\u8cea\u3092\u6301\u3064\u6ce2\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u71b1\u3067\u63fa\u3089\u304e\u304c\u5897\u3048\u308c\u3070\u3001\u305d\u306e\u307e\u3068\u307e\u308a\u306f\u5d29\u308c\u305d\u3046\u3067\u3059\u3002\u3068\u3053\u308d\u304c\u5c64\u72b6\u306e\u53cd\u5f37\u78c1\u6027\u4f53FePS<sub>3<\/sub>\u3067\u306f\u3001\u6e29\u5ea6\u3092\u4e0a\u3052\u308b\u3053\u3068\u3067\u4e8c\u3064\u306e\u6ce2\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u8fd1\u3065\u304d\u3001\u6df7\u3056\u308a\u3084\u3059\u304f\u306a\u308b\u3053\u3068\u304c\u793a\u3055\u308c\u307e\u3057\u305f\u3002\u30bd\u30a6\u30eb\u5927\u5b66\u3001\u4e2d\u56fd\u79d1\u5b66\u9662\u3001\u7406\u5316\u5b66\u7814\u7a76\u6240\u306a\u3069\u306e\u7814\u7a76\u30c1\u30fc\u30e0\u304c2026\u5e7411\u67083\u65e5\u306b\u516c\u958b\u3057\u305f\u3001\u9ad8\u78c1\u5834\u30e9\u30de\u30f3\u5206\u5149\u306b\u3088\u308b\u7814\u7a76\u3067\u3059\u3002\uff3b1\uff3d<\/p>\n<section 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K\u4ed8\u8fd1\u306e\u6df7\u6210\u3084\u3001\u5149\u3067\u4f5c\u3063\u305f\u72b6\u614b\u306e\u5bff\u547d\u3092\u76f4\u63a5\u6e2c\u3063\u305f\u7d50\u679c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<\/section>\n<h2>\u30b9\u30d4\u30f3\u306e\u6ce2\u3068\u683c\u5b50\u306e\u6ce2\u304c\u3001\u4ea4\u5dee\u305b\u305a\u306b\u6df7\u3056\u308b<\/h2>\n<p>FePS<sub>3<\/sub>\u306f\u9244\u3001\u30ea\u30f3\u3001\u786b\u9ec4\u304b\u3089\u306a\u308b\u5c64\u72b6\u7269\u8cea\u3067\u3001\u5c64\u306e\u9593\u304c\u30d5\u30a1\u30f3\u30c7\u30eb\u30ef\u30fc\u30eb\u30b9\u529b\u3067\u7d50\u3073\u4ed8\u3044\u3066\u3044\u307e\u3059\u3002\u7d04120 K\u3088\u308a\u4f4e\u6e29\u3067\u306f\u3001\u9244\u306e\u30b9\u30d4\u30f3\u304c\u53cd\u5f37\u78c1\u6027\u7684\u306a\u30b8\u30b0\u30b6\u30b0\u914d\u5217\u3092\u4f5c\u308a\u307e\u3059\u3002\u305d\u306e\u914d\u5217\u304c\u96c6\u56e3\u3067\u63fa\u308c\u308b\u52b1\u8d77\u304c\u30de\u30b0\u30ce\u30f3\u3001\u539f\u5b50\u306e\u4e26\u3073\u3067\u3042\u308b\u683c\u5b50\u304c\u632f\u52d5\u3059\u308b\u52b1\u8d77\u304c\u30d5\u30a9\u30ce\u30f3\u3067\u3059\u3002\u3069\u3061\u3089\u3082\u7269\u8cea\u4e2d\u306e\u591a\u6570\u306e\u7c92\u5b50\u306e\u904b\u52d5\u3092\u3001\u4e00\u3064\u306e\u6ce2\u3068\u3057\u3066\u6271\u3046\u305f\u3081\u306e\u8a00\u8449\u3067\u3059\u3002<\/p>\n<p>\u7814\u7a76\u3067\u306f\u3001\u5165\u5c04\u3057\u305f\u5149\u304c\u7269\u8cea\u306b\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u6e21\u3057\u305f\u308a\u53d7\u3051\u53d6\u3063\u305f\u308a\u3057\u3066\u3001\u6563\u4e71\u5149\u306e\u5468\u6ce2\u6570\u304c\u5909\u308f\u308b\u30e9\u30de\u30f3\u6563\u4e71\u3092\u5229\u7528\u3057\u307e\u3057\u305f\u3002\u5468\u6ce2\u6570\u306e\u305a\u308c\u306b\u73fe\u308c\u308b\u30d4\u30fc\u30af\u304b\u3089\u3001\u30de\u30b0\u30ce\u30f3\u3084\u30d5\u30a9\u30ce\u30f3\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u8ffd\u3044\u307e\u3059\u3002\u78c1\u5834\u3092\u7d50\u6676\u9762\u306b\u5782\u76f4\u306a\u65b9\u5411\u3078\u52a0\u3048\u308b\u3068\u3001\u30de\u30b0\u30ce\u30f3\u306e\u30d4\u30fc\u30af\u306f\u4e8c\u672c\u306b\u5206\u304b\u308c\u3001\u4e00\u65b9\u304c\u8fd1\u304f\u306e\u30d5\u30a9\u30ce\u30f3\u3078\u8fd1\u3065\u304d\u307e\u3059\u3002<\/p>\n<p>\u76f8\u4e92\u4f5c\u7528\u304c\u306a\u3051\u308c\u3070\u3001\u4e8c\u3064\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u306f\u305d\u306e\u307e\u307e\u4ea4\u5dee\u3059\u308b\u306f\u305a\u3067\u3059\u3002\u5b9f\u6e2c\u3067\u306f\u3001\u8fd1\u3065\u3044\u305f\u4e8c\u672c\u304c\u63a5\u89e6\u305b\u305a\u306b\u96e2\u308c\u308b\u300c\u53cd\u4ea4\u5dee\u300d\u304c\u73fe\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u3001\u72ec\u7acb\u3057\u305f\u30b9\u30d4\u30f3\u306e\u6ce2\u3068\u683c\u5b50\u306e\u6ce2\u3068\u3057\u3066\u6271\u3046\u3060\u3051\u3067\u306f\u8db3\u308a\u305a\u3001\u4e21\u8005\u304c\u6df7\u3056\u3063\u305f\u4e8c\u3064\u306e\u30e2\u30fc\u30c9\u306b\u306a\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002\u4ea4\u5dee\u306e\u524d\u5f8c\u3067\u3001\u3069\u3061\u3089\u306e\u679d\u304c\u30de\u30b0\u30ce\u30f3\u306b\u8fd1\u3044\u6027\u8cea\u3092\u6301\u3064\u304b\u3082\u5165\u308c\u66ff\u308f\u308a\u307e\u3059\u3002<\/p>\n<h2>\u7d50\u5408\u306e\u5f37\u3055\u3068\u3001\u6df7\u3056\u308a\u3084\u3059\u3055\u3092\u5206\u3051\u308b<\/h2>\n<p>\u4e8c\u3064\u306e\u6ce2\u304c\u3069\u308c\u3060\u3051\u6df7\u3056\u308b\u304b\u306f\u3001\u76f8\u4e92\u4f5c\u7528\u306e\u5f37\u3055\u3060\u3051\u3067\u6c7a\u307e\u308a\u307e\u305b\u3093\u3002\u3082\u3068\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u5927\u304d\u304f\u96e2\u308c\u3066\u3044\u308c\u3070\u3001\u76f8\u4e92\u4f5c\u7528\u304c\u3042\u3063\u3066\u3082\u305d\u308c\u305e\u308c\u306e\u6027\u8cea\u3092\u4fdd\u3061\u3084\u3059\u304f\u3001\u8fd1\u3065\u3051\u3070\u6df7\u3056\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u5dee\u304c\u300c\u96e2\u8abf\u300d\u3067\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306e\u7814\u7a76\u306f\u3001\u53cd\u4ea4\u5dee\u304c\u6700\u3082\u72ed\u304f\u306a\u308b\u3068\u3053\u308d\u306e\u9593\u9694\u304b\u3089\u7d50\u5408\u306e\u5f37\u3055\u3092\u8abf\u3079\u3001\u305d\u308c\u3068\u306f\u5225\u306b\u3001\u6e29\u5ea6\u306b\u3088\u3063\u3066\u4e8c\u3064\u306e\u30e2\u30fc\u30c9\u304c\u3069\u308c\u3060\u3051\u5171\u9cf4\u3078\u8fd1\u3065\u304f\u304b\u3092\u8ffd\u3044\u307e\u3057\u305f\u30022 K\u3067\u306f\u6700\u5c0f\u306e\u9593\u9694\u304c\u7d045.7 cm<sup>\u22121<\/sup>\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u306b\u76f4\u3059\u3068\u7d040.71 meV\u3067\u3057\u305f\u3002\u4e8c\u3064\u306e\u30e2\u30fc\u30c9\u3092\u7d50\u3076\u5358\u7d14\u306a\u30e2\u30c7\u30eb\u3067\u306f\u3001\u3053\u306e\u9593\u9694\u306f\u7d50\u5408\u306e\u5f37\u3055g\u306e\u4e8c\u500d\u306a\u306e\u3067\u3001g\u306f\u7d042.85 cm<sup>\u22121<\/sup>\u3001\u7d040.35 meV\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002cm<sup>\u22121<\/sup>\u306f\u3053\u3053\u3067\u306f\u5206\u5149\u3067\u4f7f\u3046\u6ce2\u6570\u306e\u5358\u4f4d\u3067\u3059\u3002<\/p>\n<p>\u6e29\u5ea6\u3092\u4e0a\u3052\u3066\u3082\u3001g\u306f\u7d0470 K\u307e\u3067\u307b\u307c\u4e00\u5b9a\u3067\u3057\u305f\u3002\u4e00\u65b9\u3001\u78c1\u5834\u3092\u304b\u3051\u3066\u3044\u306a\u3044\u3068\u304d\u306e\u30d4\u30fc\u30af\u9593\u9694\u306f\u7e2e\u307f\u3001\u5171\u9cf4\u306b\u5fc5\u8981\u306a\u78c1\u5834\u3082\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u3002\u6e2c\u5b9a\u3057\u305f\u30d4\u30fc\u30af\u306e\u52d5\u304d\u3092\u4e8c\u30e2\u30fc\u30c9\u30e2\u30c7\u30eb\u3067\u5f53\u3066\u306f\u3081\u308b\u3068\u3001\u7d50\u5408\u524d\u306e\u30de\u30b0\u30ce\u30f3\u3068\u30d5\u30a9\u30ce\u30f3\u306b\u76f8\u5f53\u3059\u308b\u30a8\u30cd\u30eb\u30ae\u30fc\u3082\u8fd1\u3065\u3044\u3066\u3044\u307e\u3057\u305f\u3002<strong>\u6e29\u3081\u308b\u3068\u76f8\u4e92\u4f5c\u7528\u305d\u306e\u3082\u306e\u304c\u5f37\u304f\u306a\u308b\u3068\u3044\u3046\u3088\u308a\u3001\u540c\u3058\u7a0b\u5ea6\u306e\u76f8\u4e92\u4f5c\u7528\u3067\u3082\u6df7\u3056\u308a\u3084\u3059\u3044\u6761\u4ef6\u3078\u52d5\u304f<\/strong>\u3001\u3068\u3044\u3046\u7d50\u679c\u3067\u3059\u3002<\/p>\n<figure style=\"margin:1.5em 0;max-width:100%\"><a href=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/11\/qs-feps3-thermal-magnon-phonon-20261105-figure3-c2df9e02fc8f.png\"><img decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/11\/qs-feps3-thermal-magnon-phonon-20261105-figure3-c2df9e02fc8f.png\" alt=\"\u7d50\u5408\u306e\u5f37\u3055\u304c\u307b\u307c\u540c\u3058\u3067\u3082\u3001\u30de\u30b0\u30ce\u30f3\u3068\u30d5\u30a9\u30ce\u30f3\u306e\u3082\u3068\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u5dee\u304c\u5c0f\u3055\u304f\u306a\u308b\u3068\u3001\u4e8c\u3064\u306e\u6027\u8cea\u304c\u6df7\u3056\u308a\u3084\u3059\u304f\u306a\u308b\u3002\u6e29\u5ea6\u4e0a\u6607\u304c\u30a8\u30cd\u30eb\u30ae\u30fc\u5dee\u3092\u7e2e\u3081\u308b\u65b9\u5411\u3078\u50cd\u304f\u6982\u5ff5\u56f3\u3002\" style=\"display:block;width:100%;max-width:100%;height:auto\" \/><\/a><figcaption>\u7d50\u5408\u306e\u5f37\u3055\u3068\u96e2\u8abf\u3092\u5206\u3051\u3066\u8003\u3048\u308b\u305f\u3081\u306e\u6982\u5ff5\u56f3\u3002\u8cc7\u6599\uff3b1\uff3d\u3092\u57fa\u306bQuantum 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style=\"overflow-x:auto\">\n<table>\n<thead>\n<tr>\n<th>\u8abf\u3079\u305f\u91cf<\/th>\n<th>\u4eca\u56de\u306e\u7d50\u679c<\/th>\n<th>\u610f\u5473<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u53cd\u4ea4\u5dee\u3067\u306e\u6700\u5c0f\u9593\u9694<\/td>\n<td>\u4f4e\u6e29\u3067\u7d045.7 cm<sup>\u22121<\/sup>\u3002\u7d0470 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T\u306e\u78c1\u5834\u3068\u3001\u8a66\u6599\u306e\u904e\u71b1\u3092\u907f\u3051\u308b\u305f\u3081\u7d04400 \u00b5W\u306b\u6291\u3048\u305f\u30ec\u30fc\u30b6\u30fc\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002\u7d0470 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K\u307e\u3067\u53cd\u4ea4\u5dee\u3092\u5b9a\u91cf\u7684\u306b\u8ffd\u3048\u305f\u308f\u3051\u3067\u3082\u3042\u308a\u307e\u305b\u3093\u3002\u8457\u8005\u3089\u306f\u4e21\u8005\u3092\u3064\u306a\u3050\u624b\u639b\u304b\u308a\u3068\u4f4d\u7f6e\u4ed8\u3051\u3066\u3044\u307e\u3059\u304c\u3001\u5bff\u547d\u304c\u5ef6\u3073\u308b\u6a5f\u69cb\u3092\u4eca\u56de\u306e\u6e2c\u5b9a\u3060\u3051\u3067\u78ba\u5b9a\u3057\u305f\u3068\u306f\u3044\u3048\u307e\u305b\u3093\u3002<\/p>\n<p>\u6750\u6599\u3084\u5149\u5236\u5fa1\u6cd5\u3092\u6bd4\u3079\u308b\u3068\u304d\u306f\u3001\u7d50\u5408\u306e\u5f37\u3055\u3001\u4e8c\u3064\u306e\u52b1\u8d77\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u5dee\u3001\u30d4\u30fc\u30af\u306e\u5e45\u3092\u305d\u308c\u305e\u308c\u898b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u71b1\u3067\u30d4\u30fc\u30af\u304c\u5e83\u304c\u308b\u52b9\u679c\u304c\u3042\u308b\u4e00\u65b9\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u5dee\u304c\u7e2e\u3093\u3067\u6df7\u3056\u308a\u3084\u3059\u304f\u306a\u308b\u52b9\u679c\u3082\u3042\u308b\u3002FePS<sub>3<\/sub>\u306e\u7814\u7a76\u306f\u3001\u305d\u306e\u4e8c\u3064\u304c\u540c\u6642\u306b\u8d77\u3053\u308a\u5f97\u308b\u3053\u3068\u3092\u6e2c\u5b9a\u3068\u30e2\u30c7\u30eb\u3067\u793a\u3057\u3001\u6e29\u5ea6\u3092\u5358\u306a\u308b\u59a8\u3052\u3067\u306f\u306a\u304f\u3001\u5171\u9cf4\u6761\u4ef6\u3092\u52d5\u304b\u3059\u8981\u7d20\u3068\u3057\u3066\u6349\u3048\u308b\u624b\u639b\u304b\u308a\u3092\u4e0e\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u51fa\u5178<\/h2>\n<ol>\n<li>Kai-Xuan Zhang\u307b\u304b\u3001<a href=\"https:\/\/arxiv.org\/abs\/2611.04229v1\">Thermally enhanced magnon-phonon resonance in van der Waals antiferromagnet FePS3<\/a>, arXiv:2611.04229v1, 2026\u5e7411\u67083\u65e5\u516c\u958b\u3002\u7b2cII\u301cV\u7bc0\u3001\u56f31\u301c4\u3002\u67fb\u8aad\u524d\u306e\u516c\u958b\u539f\u7a3f\u306b\u57fa\u3065\u304f\u7d39\u4ecb\u3067\u3059\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u78c1\u6027\u4f53\u306e\u4e2d\u3067\u306f\u3001\u30b9\u30d4\u30f3\u306e\u63fa\u308c\u3068\u539f\u5b50\u306e\u632f\u52d5\u304c\u4e92\u3044\u306b\u5f71\u97ff\u3057\u3001\u4e21\u65b9\u306e\u6027\u8cea\u3092\u6301\u3064\u6ce2\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u71b1\u3067\u63fa\u3089\u304e\u304c\u5897\u3048\u308c\u3070\u3001\u305d\u306e\u307e\u3068\u307e\u308a\u306f\u5d29\u308c\u305d\u3046\u3067\u3059\u3002\u3068\u3053\u308d\u304c\u5c64\u72b6\u306e\u53cd\u5f37\u78c1\u6027\u4f53FePS3\u3067\u306f\u3001\u6e29\u5ea6\u3092\u4e0a\u3052\u308b\u3053\u3068\u3067\u4e8c\u3064\u306e\u6ce2\u306e\u30a8\u30cd\u30eb 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