{"id":1663,"date":"2026-10-28T15:00:00","date_gmt":"2026-10-28T06:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=1663"},"modified":"2026-10-28T22:06:49","modified_gmt":"2026-10-28T13:06:49","slug":"qs-hall-effect-carrier-density-20261025","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=1663","title":{"rendered":"\u30db\u30fc\u30eb\u52b9\u679c\u3001\u6a2a\u5411\u304d\u306e\u96fb\u5727\u304b\u3089\u30ad\u30e3\u30ea\u30a2\u5bc6\u5ea6\u3092\u8abf\u3079\u308b"},"content":{"rendered":"<p>\u534a\u5c0e\u4f53\u306b\u96fb\u6d41\u3092\u6d41\u3059\u3068\u304d\u3001\u96fb\u8377\u3092\u904b\u3076\u7c92\u5b50\u304c\u591a\u3044\u306e\u304b\u3001\u4e00\u3064\u3072\u3068\u3064\u304c\u52d5\u304d\u3084\u3059\u3044\u306e\u304b\u306f\u3001\u62b5\u6297\u3060\u3051\u3067\u306f\u5207\u308a\u5206\u3051\u306b\u304f\u3044\u554f\u984c\u3067\u3059\u3002\u305d\u3053\u3067\u5f79\u7acb\u3064\u306e\u304c\u3001\u96fb\u6d41\u3068\u76f4\u89d2\u306e\u65b9\u5411\u306b\u751f\u3058\u308b\u5c0f\u3055\u306a\u96fb\u5727\u3067\u3059\u3002<\/p>\n<p><strong>\u30db\u30fc\u30eb\u52b9\u679c<\/strong>\u306f\u3001\u96fb\u6d41\u304c\u6d41\u308c\u308b\u8a66\u6599\u3078\u78c1\u5834\u3092\u304b\u3051\u308b\u3068\u3001\u305d\u306e\u6a2a\u65b9\u5411\u306b\u96fb\u5727\u304c\u73fe\u308c\u308b\u73fe\u8c61\u3067\u3059\u3002\u96fb\u5b50\u3084\u6b63\u5b54\u3068\u3044\u3063\u305f\u96fb\u8377\u306e\u904b\u3073\u624b\u3092\u30ad\u30e3\u30ea\u30a2\u3068\u547c\u3073\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u4e00\u7a2e\u985e\u306e\u30ad\u30e3\u30ea\u30a2\u304c\u652f\u914d\u7684\u306a\u53e4\u5178\u7684\u30e2\u30c7\u30eb\u3092\u4f7f\u3044\u3001\u30db\u30fc\u30eb\u96fb\u5727\u304b\u3089\u5bc6\u5ea6\u3092\u6c42\u3081\u308b\u307e\u3067\u3092\u3001\u6e2c\u5b9a\u306e\u305a\u308c\u3092\u542b\u3080\u5177\u4f53\u4f8b\u3067\u8003\u3048\u307e\u3059\u3002<\/p>\n<section class=\"influvetor-quick-summary\" aria-label=\"\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f\">\n<p><strong>\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f<\/strong><\/p>\n<ul>\n<li>\u78c1\u5834\u306b\u3088\u3063\u3066\u79fb\u52d5\u3059\u308b\u30ad\u30e3\u30ea\u30a2\u304c\u6a2a\u3078\u504f\u308b\u3068\u3001\u305d\u306e\u504f\u308a\u3092\u62bc\u3057\u623b\u3059\u96fb\u5834\u304c\u3067\u304d\u307e\u3059\u3002\u6a2a\u65b9\u5411\u3067\u529b\u304c\u91e3\u308a\u5408\u3063\u305f\u3068\u304d\u306e\u96fb\u4f4d\u5dee\u304c\u30db\u30fc\u30eb\u96fb\u5727\u3067\u3059\u3002<\/li>\n<li>\u5358\u4e00\u30ad\u30e3\u30ea\u30a2\u306e\u5358\u7d14\u306a\u30e2\u30c7\u30eb\u3067\u306f\u3001\u96fb\u6d41\u30fb\u78c1\u5834\u30fb\u30db\u30fc\u30eb\u96fb\u5727\u304b\u3089\u9762\u5bc6\u5ea6\u304c\u6c42\u307e\u308a\u3001\u5c0e\u96fb\u5c64\u306e\u539a\u3055\u304c\u5206\u304b\u308c\u3070\u4f53\u7a4d\u5bc6\u5ea6\u3078\u63db\u7b97\u3067\u304d\u307e\u3059\u3002<\/li>\n<li>\u6e2c\u3063\u305f\u6a2a\u96fb\u5727\u306b\u306f\u5225\u306e\u96fb\u5727\u3082\u6df7\u3056\u308a\u307e\u3059\u3002\u78c1\u5834\u3092\u53cd\u8ee2\u3057\u305f\u5dee\u306f\u4e00\u5b9a\u306e\u305a\u308c\u3092\u9664\u3051\u307e\u3059\u304c\u3001\u8a66\u6599\u306e\u4e0d\u5747\u4e00\u3055\u3084\u6642\u9593\u5909\u5316\u307e\u3067\u89e3\u6d88\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<\/section>\n<h2>\u6a2a\u3078\u5bc4\u3063\u305f\u96fb\u8377\u304c\u3001\u3055\u3089\u306b\u5bc4\u308b\u52d5\u304d\u3092\u62bc\u3057\u623b\u3059<\/h2>\n<p>\u8584\u3044\u9577\u65b9\u5f62\u306e\u8a66\u6599\u3092\u601d\u3044\u6d6e\u304b\u3079\u307e\u3059\u3002\u9577\u624b\u65b9\u5411\u306b\u96fb\u6d41\u3092\u6d41\u3057\u3001\u5e83\u3044\u9762\u306b\u5782\u76f4\u306a\u78c1\u5834\u3092\u304b\u3051\u307e\u3059\u3002\u52d5\u304f\u96fb\u8377\u306f\u78c1\u5834\u304b\u3089\u30ed\u30fc\u30ec\u30f3\u30c4\u529b\u3092\u53d7\u3051\u308b\u305f\u3081\u3001\u96fb\u6d41\u3068\u76f4\u89d2\u306e\u65b9\u5411\u3078\u504f\u308a\u307e\u3059\u3002\u96fb\u5b50\u306e\u5e73\u5747\u7684\u306a\u79fb\u52d5\u65b9\u5411\u306f\u3001\u6163\u7528\u7684\u306a\u96fb\u6d41\u306e\u5411\u304d\u3068\u306f\u9006\u3067\u3059\u3002<\/p>\n<p>\u504f\u308a\u304c\u751f\u307e\u308c\u308b\u3068\u3001\u4e21\u5074\u306e\u96fb\u8377\u306e\u5dee\u306b\u3088\u3063\u3066\u6a2a\u5411\u304d\u306e\u96fb\u5834\u3082\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u96fb\u5834\u306b\u3088\u308b\u529b\u304c\u78c1\u5834\u306b\u3088\u308b\u529b\u3068\u91e3\u308a\u5408\u3048\u3070\u3001\u6a2a\u3078\u306e\u504f\u308a\u306f\u305d\u308c\u4ee5\u4e0a\u5897\u3048\u307e\u305b\u3093\u3002\u8a66\u6599\u306e\u4e21\u5074\u306b\u5f53\u3066\u305f\u96fb\u5727\u8a08\u306f\u3001\u3053\u306e\u96fb\u5834\u306b\u5bfe\u5fdc\u3059\u308b\u96fb\u4f4d\u5dee\u3092\u8aad\u307f\u53d6\u308a\u307e\u3059\u3002<\/p>\n<p>\u5927\u304d\u3055\u3060\u3051\u3067\u66f8\u304f\u3068\u3001\u5e73\u5747\u79fb\u52d5\u901f\u5ea6\u3092v\u3001\u78c1\u675f\u5bc6\u5ea6\u3092B\u3068\u3057\u3066\u3001\u91e3\u308a\u5408\u3046\u96fb\u5834\u306f<code>|E| = |v|B<\/code>\u3067\u3059\u3002\u5e45w\u306b\u308f\u305f\u308b\u96fb\u5727\u306f<code>|V<sub>H<\/sub>| = |v|Bw<\/code>\u3002\u540c\u3058\u96fb\u6d41\u3067\u3082\u30ad\u30e3\u30ea\u30a2\u304c\u5c11\u306a\u3051\u308c\u3070\u3001\u4e00\u3064\u3072\u3068\u3064\u304c\u901f\u304f\u79fb\u52d5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u3053\u306e\u30e2\u30c7\u30eb\u3067\u306f\u30db\u30fc\u30eb\u96fb\u5727\u304c\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u539a\u3055\u3092\u77e5\u3089\u306a\u304f\u3066\u3082\u6c42\u307e\u308b\u9762\u5bc6\u5ea6<\/h2>\n<p>\u30ad\u30e3\u30ea\u30a2\u306e\u4f53\u7a4d\u5bc6\u5ea6\u3092n\u3001\u5c0e\u96fb\u5c64\u306e\u539a\u3055\u3092d\u3001\u96fb\u6c17\u7d20\u91cf\u3092e\u3068\u3059\u308b\u3068\u3001\u96fb\u6d41\u306e\u5927\u304d\u3055\u306f<code>I = ne|v|wd<\/code>\u3067\u3059\u3002\u4e0a\u306e\u96fb\u5727\u306e\u5f0f\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u5e45\u3068\u901f\u5ea6\u304c\u6d88\u3048\u3001\u6b21\u306e\u95a2\u4fc2\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<p><code>|V<sub>H<\/sub>| = IB \/ (ned)<\/code><br \/><code>n<sub>s<\/sub> = nd = IB \/ (e|V<sub>H<\/sub>|)<\/code><\/p>\n<p>n<sub>s<\/sub>\u306f\u5358\u4f4d\u9762\u7a4d\u3042\u305f\u308a\u306e\u30ad\u30e3\u30ea\u30a2\u6570\u3001\u3064\u307e\u308a<strong>\u9762\u5bc6\u5ea6<\/strong>\u3067\u3059\u3002\u5c0e\u96fb\u5c64\u304c\u539a\u3055\u65b9\u5411\u306b\u4e00\u69d8\u306a\u3089\u3001\u539a\u3055\u3067\u5272\u3063\u305f<code>n = n<sub>s<\/sub>\/d<\/code>\u304c\u4f53\u7a4d\u5bc6\u5ea6\u306b\u306a\u308a\u307e\u3059\u3002\u57fa\u677f\u3092\u542b\u3081\u305f\u90e8\u54c1\u5168\u4f53\u306e\u539a\u3055\u3067\u306f\u306a\u304f\u3001\u5b9f\u969b\u306b\u96fb\u6d41\u304c\u6d41\u308c\u308b\u5c64\u306e\u539a\u3055\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u8aac\u660e\u7528\u306b\u3001\u96fb\u6d411.00 mA\u3001\u78c1\u58340.500 T\u3001\u30db\u30fc\u30eb\u96fb\u5727\u306e\u5927\u304d\u30553.121 mV\u3092\u8003\u3048\u307e\u3059\u3002e\u30921.602176634\u00d710<sup>\u221219<\/sup> C\u3068\u3057\u3066\u8a08\u7b97\u3059\u308b\u3068\u3001\u9762\u5bc6\u5ea6\u306f\u7d041.00\u00d710<sup>18<\/sup> m<sup>\u22122<\/sup>\u3001\u3059\u306a\u308f\u30611.00\u00d710<sup>14<\/sup> cm<sup>\u22122<\/sup>\u3067\u3059\u3002\u5c0e\u96fb\u5c64\u304c100 \u00b5m\u306a\u3089\u3001\u4f53\u7a4d\u5bc6\u5ea6\u306f\u7d041.00\u00d710<sup>22<\/sup> m<sup>\u22123<\/sup>\u3001\u307e\u305f\u306f1.00\u00d710<sup>16<\/sup> cm<sup>\u22123<\/sup>\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u4eee\u5b9a\u3057\u305f\u6570\u5024\u306b\u3088\u308b\u8a08\u7b97\u4f8b\u3067\u3001\u5b9f\u6e2c\u7d50\u679c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u540c\u3058\u9762\u5bc6\u5ea6\u3067\u3082\u3001\u539a\u3055\u309250 \u00b5m\u3068\u898b\u7a4d\u3082\u308c\u3070\u4f53\u7a4d\u5bc6\u5ea6\u306f2\u500d\u3067\u3059\u3002\u96fb\u5727\u306e\u6e2c\u5b9a\u304c\u6b63\u78ba\u3067\u3082\u3001\u5c64\u306e\u539a\u3055\u306e\u89e3\u91c8\u304c\u9055\u3046\u3068\u6bd4\u8f03\u3059\u308b\u5bc6\u5ea6\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u6e2c\u5b9a\u5831\u544a\u3092\u8aad\u3080\u3068\u304d\u306f\u3001\u9762\u5bc6\u5ea6\u304b\u4f53\u7a4d\u5bc6\u5ea6\u304b\u3001\u3069\u306e\u539a\u3055\u3067\u63db\u7b97\u3057\u305f\u304b\u3092\u4e00\u7dd2\u306b\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u78c1\u5834\u3092\u53cd\u8ee2\u3057\u3066\u3001\u6df7\u3056\u3063\u305f\u96fb\u5727\u3092\u898b\u5206\u3051\u308b<\/h2>\n<p>\u6a2a\u65b9\u5411\u306e\u7aef\u5b50\u304c\u5c11\u3057\u305a\u308c\u308b\u3068\u3001\u96fb\u6d41\u65b9\u5411\u306e\u96fb\u5727\u964d\u4e0b\u306e\u4e00\u90e8\u307e\u3067\u62fe\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u6e29\u5ea6\u5dee\u3082\u6e2c\u5b9a\u96fb\u5727\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002\u96fb\u5727\u8a08\u306e\u5024\u3092\u3001\u305d\u306e\u307e\u307e\u5168\u3066\u30db\u30fc\u30eb\u96fb\u5727\u3068\u307f\u306a\u305b\u306a\u3044\u7406\u7531\u3067\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u3001\u78c1\u5834\u3092\u53cd\u8ee2\u3059\u308b\u3068\u7b26\u53f7\u304c\u5909\u308f\u308b\u6210\u5206\u306b\u6ce8\u76ee\u3057\u307e\u3059\u3002\u96fb\u6d41\u3068\u7aef\u5b50\u306e\u63a5\u7d9a\u3092\u56fa\u5b9a\u3057\u3001\u540c\u3058\u5927\u304d\u3055\u306e\u78c1\u5834\u3092\u6b63\u8ca0\u3067\u6e2c\u3063\u305f\u5024\u3092V(+B)\u3001V(\u2212B)\u3068\u3059\u308b\u3068\u3001<\/p>\n<p><code>V<sub>odd<\/sub> = {V(+B) \u2212 V(\u2212B)} \/ 2<\/code><\/p>\n<p>\u304c\u78c1\u5834\u306b\u5bfe\u3057\u3066\u53cd\u8ee2\u3059\u308b\u6210\u5206\u3067\u3059\u3002\u4e21\u65b9\u306b\u540c\u3058\u5927\u304d\u3055\u3067\u6df7\u3056\u308b\u96fb\u5727\u306f\u5f15\u304d\u7b97\u3067\u6d88\u3048\u307e\u3059\u3002\u3053\u306e\u51e6\u7406\u3067\u6d88\u305b\u308b\u306e\u306f\u3001\u4e8c\u56de\u306e\u6e2c\u5b9a\u3067\u5909\u308f\u3089\u305a\u3001\u78c1\u5834\u306e\u7b26\u53f7\u306b\u3082\u4f9d\u5b58\u3057\u306a\u3044\u305a\u308c\u3067\u3059\u3002<\/p>\n<p>\u5148\u307b\u3069\u306e\u4f8b\u3067\u3001\u30db\u30fc\u30eb\u96fb\u5727\u304c\u00b13.121 mV\u3001\u4e00\u5b9a\u306e\u305a\u308c\u304c+1.000 mV\u3042\u308b\u3068\u3057\u307e\u3059\u3002\u6e2c\u5b9a\u5024\u306f+4.121 mV\u3068\u22122.121 mV\u3067\u3059\u3002\u5dee\u306e\u534a\u5206\u3092\u53d6\u308c\u3070+3.121 mV\u306b\u623b\u308a\u3001\u548c\u306e\u534a\u5206\u304b\u3089\u306f+1.000 mV\u306e\u305a\u308c\u3082\u8aad\u307f\u53d6\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"max-width:720px;margin:1.5em auto\"><img decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-hall-effect-carrier-density-20261025-figure-46d7ccb02705.png\" alt=\"\u6b63\u78c1\u5834\u30674.121 mV\u3001\u8ca0\u78c1\u5834\u3067\u30de\u30a4\u30ca\u30b92.121 mV\u3092\u6e2c\u308b\u4f8b\u3002\u4e21\u8005\u306e\u5dee\u306e\u534a\u5206\u306f\u30db\u30fc\u30eb\u6210\u52063.121 mV\u3001\u548c\u306e\u534a\u5206\u306f\u4e00\u5b9a\u306e\u305a\u308c1.000 mV\u3002\u96fb\u6d411 mA\u3001\u78c1\u5834\u306e\u5927\u304d\u30550.5 T\u3002\" style=\"width:100%;height:auto\"><figcaption>\u78c1\u5834\u53cd\u8ee2\u306b\u3088\u308b\u6210\u5206\u306e\u5206\u96e2\u3002\u8868\u793a\u5024\u306f\u5c0f\u6570\u7b2c3\u4f4d\u3078\u4e38\u3081\u3066\u3044\u307e\u3059\u3002Quantum Sea\u306b\u3088\u308b\u8aac\u660e\u7528\u8a08\u7b97\u3002<\/figcaption><\/figure>\n<p>+4.121 mV\u3060\u3051\u3092\u4f7f\u3063\u3066\u5bc6\u5ea6\u3092\u8a08\u7b97\u3059\u308b\u3068\u3001\u7d047.57\u00d710<sup>21<\/sup> m<sup>\u22123<\/sup>\u3068\u306a\u308a\u3001\u672c\u6765\u306e\u4f8b\u306e\u5024\u3088\u308a\u7d0424%\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u3002\u96fb\u5727\u306e\u305a\u308c\u306f\u7d0432%\u3067\u3059\u304c\u3001\u5bc6\u5ea6\u306f\u96fb\u5727\u306e\u9006\u6570\u306b\u6bd4\u4f8b\u3059\u308b\u305f\u3081\u3001\u5bc6\u5ea6\u306e\u8aa4\u5dee\u7387\u306f\u540c\u305832%\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>NIST\u306e\u6e2c\u5b9a\u89e3\u8aac\u3067\u306f\u3001\u78c1\u5834\u306e\u53cd\u8ee2\u306b\u52a0\u3048\u3001\u96fb\u6d41\u65b9\u5411\u3084\u7aef\u5b50\u306e\u7d44\u307f\u5408\u308f\u305b\u3082\u5909\u3048\u308b\u624b\u9806\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u4e0a\u306e\u4e8c\u56de\u306e\u5dee\u3060\u3051\u3067\u3001\u305d\u306e\u624b\u9806\u5168\u4f53\u3092\u6e08\u307e\u305b\u305f\u3053\u3068\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u6e2c\u5b9a\u4e2d\u306e\u6e29\u5ea6\u5909\u5316\u3084\u63a5\u89e6\u306e\u4e0d\u5b89\u5b9a\u3055\u306f\u3001\u5225\u306b\u78ba\u304b\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u5bc6\u5ea6\u3068\u3044\u3046\u6570\u5024\u3092\u3001\u3069\u306e\u30e2\u30c7\u30eb\u3067\u8aad\u3093\u3067\u3044\u308b\u304b<\/h2>\n<p>\u30db\u30fc\u30eb\u96fb\u5727\u306e\u7b26\u53f7\u3082\u6709\u7528\u3067\u3059\u304c\u3001\u96fb\u6d41\u30fb\u78c1\u5834\u30fb\u96fb\u5727\u7aef\u5b50\u306e\u5411\u304d\u3092\u305d\u308d\u3048\u3066\u521d\u3081\u3066\u3001\u96fb\u5b50\u304b\u6b63\u5b54\u304b\u3068\u3044\u3046\u89e3\u91c8\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u7aef\u5b50\u306e\u4e8c\u672c\u3092\u5165\u308c\u66ff\u3048\u308b\u3060\u3051\u3067\u3082\u96fb\u5727\u8a08\u306e\u7b26\u53f7\u306f\u9006\u306b\u306a\u308b\u305f\u3081\u3001\u300c\u30de\u30a4\u30ca\u30b9\u3060\u3063\u305f\u300d\u3068\u3044\u3046\u8a18\u9332\u3060\u3051\u3067\u306f\u8db3\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u307e\u305f\u3001\u3053\u3053\u3067\u4f7f\u3063\u305f\u5f0f\u306f\u4e00\u7a2e\u985e\u306e\u30ad\u30e3\u30ea\u30a2\u3068\u4e00\u69d8\u306a\u5c0e\u96fb\u5c64\u3092\u4eee\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u96fb\u5b50\u3068\u6b63\u5b54\u306e\u4e21\u65b9\u304c\u7121\u8996\u3067\u304d\u306a\u3044\u5834\u5408\u306a\u3069\u306b\u3001\u540c\u3058\u5f0f\u3092\u5f53\u3066\u306f\u3081\u3066\u5f97\u305f\u6570\u3092\u3001\u305d\u306e\u307e\u307e\u5168\u30ad\u30e3\u30ea\u30a2\u306e\u5b9f\u6570\u5bc6\u5ea6\u3068\u8aad\u3080\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u30db\u30fc\u30eb\u96fb\u5727\u304b\u3089\u5f97\u308b\u5bc6\u5ea6\u306f\u3001\u63a1\u7528\u3057\u305f\u8f38\u9001\u30e2\u30c7\u30eb\u3068\u7d50\u3073\u3064\u3044\u305f\u63a8\u5b9a\u5024\u3067\u3059\u3002<\/p>\n<p>\u62b5\u6297\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3082\u610f\u5473\u304c\u3042\u308a\u307e\u3059\u3002\u540c\u3058\u5358\u7d14\u30e2\u30c7\u30eb\u3067\u3001\u8584\u819c\u306e\u62b5\u6297\u3092\u8868\u3059\u30b7\u30fc\u30c8\u62b5\u6297\u304c1,000 \u03a9\/\u25a1\u3001\u9762\u5bc6\u5ea6\u304c\u5148\u307b\u3069\u306e1.00\u00d710<sup>18<\/sup> m<sup>\u22122<\/sup>\u306a\u3089\u3001\u30db\u30fc\u30eb\u79fb\u52d5\u5ea6<code>\u00b5<sub>H<\/sub> = 1\/(en<sub>s<\/sub>R<sub>s<\/sub>)<\/code>\u306f\u7d0462.4 cm<sup>2<\/sup>\/(V\u00b7s)\u3067\u3059\u3002\u79fb\u52d5\u5ea6\u306f\u3001\u96fb\u5834\u306b\u5bfe\u3057\u3066\u30ad\u30e3\u30ea\u30a2\u304c\u3069\u306e\u7a0b\u5ea6\u52d5\u304d\u3084\u3059\u3044\u304b\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n<p>\u62b5\u6297\u306e\u5909\u5316\u3092\u898b\u305f\u3042\u3068\u306b\u3001\u5bc6\u5ea6\u3068\u79fb\u52d5\u5ea6\u306e\u3069\u3061\u3089\u304c\u5909\u308f\u3063\u305f\u304b\u3092\u8003\u3048\u3089\u308c\u308b\u3053\u3068\u304c\u3001\u6a2a\u65b9\u5411\u306e\u96fb\u5727\u3092\u6e2c\u308b\u5229\u70b9\u3067\u3059\u3002\u6bd4\u8f03\u3059\u308b\u3068\u304d\u306f\u6e2c\u5b9a\u6e29\u5ea6\u3001\u78c1\u5834\u3068\u96fb\u6d41\u3001\u7aef\u5b50\u306e\u5411\u304d\u3001\u539a\u3055\u3001\u305a\u308c\u306e\u9664\u304d\u65b9\u3092\u305d\u308d\u3048\u308b\u3068\u3001\u6750\u6599\u306e\u9055\u3044\u3068\u6e2c\u308a\u65b9\u306e\u9055\u3044\u3092\u533a\u5225\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u51fa\u5178<\/h2>\n<ul>\n<li><a href=\"https:\/\/ocw.mit.edu\/courses\/6-013-electromagnetics-and-applications-spring-2009\/MIT6_013S09_chap06.pdf\">MIT OpenCourseWare \u2014 Electromagnetics and Applications, Chapter 6<\/a>\uff082009\u5e74\u6625\uff09\u3002\u7b2c6.6.3\u7bc0\u3001\u518a\u5b50182\u301c183\u30da\u30fc\u30b8\u3002\u30ed\u30fc\u30ec\u30f3\u30c4\u529b\u3001\u6a2a\u65b9\u5411\u306e\u91e3\u308a\u5408\u3044\u3001\u30ad\u30e3\u30ea\u30a2\u901f\u5ea6\u3068\u306e\u95a2\u4fc2\u3092\u53c2\u7167\u3002<\/li>\n<li><a href=\"https:\/\/www.nist.gov\/pml\/nanoscale-device-characterization-division\/popular-links\/hall-effect\/hall-effect\">NIST \u2014 The Hall Effect<\/a>\u3002\u9762\u5bc6\u5ea6\u30fb\u4f53\u7a4d\u5bc6\u5ea6\u30fb\u30db\u30fc\u30eb\u79fb\u52d5\u5ea6\u306e\u95a2\u4fc2\u3092\u53c2\u7167\u3002\u66f4\u65b0\u505c\u6b62\u3092\u660e\u8a18\u3057\u305f\u4fdd\u5b58\u30da\u30fc\u30b8\u3067\u3059\u3002<\/li>\n<li><a href=\"https:\/\/www.nist.gov\/pml\/nanoscale-device-characterization-division\/popular-links\/hall-effect\/resistivity-and-hall\">NIST \u2014 Resistivity and Hall Measurements<\/a>\u3002\u30aa\u30d5\u30bb\u30c3\u30c8\u3068\u78c1\u5834\u53cd\u8ee2\u3001\u96fb\u6d41\u30fb\u7aef\u5b50\u3092\u5909\u3048\u305f\u6e2c\u5b9a\u624b\u9806\u3092\u53c2\u7167\u3002\u66f4\u65b0\u505c\u6b62\u3092\u660e\u8a18\u3057\u305f\u4fdd\u5b58\u30da\u30fc\u30b8\u3067\u3059\u3002\u672c\u6587\u306e\u6570\u5024\u4f8b\u3068\u56f3\u306f\u72ec\u81ea\u8a08\u7b97\u3067\u3059\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u534a\u5c0e\u4f53\u306b\u96fb\u6d41\u3092\u6d41\u3059\u3068\u304d\u3001\u96fb\u8377\u3092\u904b\u3076\u7c92\u5b50\u304c\u591a\u3044\u306e\u304b\u3001\u4e00\u3064\u3072\u3068\u3064\u304c\u52d5\u304d\u3084\u3059\u3044\u306e\u304b\u306f\u3001\u62b5\u6297\u3060\u3051\u3067\u306f\u5207\u308a\u5206\u3051\u306b\u304f\u3044\u554f\u984c\u3067\u3059\u3002\u305d\u3053\u3067\u5f79\u7acb\u3064\u306e\u304c\u3001\u96fb\u6d41\u3068\u76f4\u89d2\u306e\u65b9\u5411\u306b\u751f\u3058\u308b\u5c0f\u3055\u306a\u96fb\u5727\u3067\u3059\u3002 \u30db\u30fc\u30eb\u52b9\u679c\u306f\u3001\u96fb\u6d41\u304c\u6d41\u308c\u308b\u8a66\u6599\u3078\u78c1\u5834\u3092\u304b\u3051\u308b [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1661,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":false,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[32],"tags":[338],"class_list":["post-1663","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-semiconductors-electronics","tag-hall-effect"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-hall-effect-carrier-density-20261025-featured-4445b6934916.png","_links":{"self":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1663","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1663"}],"version-history":[{"count":2,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1663\/revisions"}],"predecessor-version":[{"id":1873,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1663\/revisions\/1873"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/media\/1661"}],"wp:attachment":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1663"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1663"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1663"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}