{"id":255767,"date":"2023-11-11T06:01:15","date_gmt":"2023-11-10T22:01:15","guid":{"rendered":"\/\/m.iemloyee.com\/?p=255767"},"modified":"2023-11-10T20:01:29","modified_gmt":"2023-11-10T12:01:29","slug":"nature%ef%bc%9a%e4%ba%94%e5%b1%82%e8%8f%b1%e5%bd%a2%e7%9f%b3%e5%a2%a8%e7%83%af%e7%9a%84%e8%bd%a8%e9%81%93%e5%a4%9a%e9%93%81%e6%80%a7","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=255767","title":{"rendered":"Nature\uff1a\u4e94\u5c42\u83f1\u5f62\u77f3\u58a8\u70ef\u7684\u8f68\u9053\u591a\u94c1\u6027"},"content":{"rendered":"<h2 style=\"text-align: center;\">01. \u5bfc\u8bfb<\/h2>\n<p>\u4e8c\u7ef4\u6750\u6599\u4e2d\u7684\u8702\u7a9d\u6676\u683c\u5177\u6709\u7535\u5b50\u8c37\uff0c\u5b83\u4f5c\u4e3a\u4e00\u79cd\u5185\u90e8\u81ea\u7531\u5ea6\u7c7b\u4f3c\u4e8e\u81ea\u65cb\u3002\u4f46\u7531\u4e8e\u5176\u8f68\u9053\u6027\u8d28\uff0c\u901a\u8fc7\u7535\u573a\u3001\u78c1\u573a\u548c\u5149\u7684\u5706\u504f\u632f\u66f4\u5bb9\u6613\u63a7\u5236\u8fd9\u4e2a\u8c37\u3002\u5229\u7528\u8c37\u8fdb\u884c\u4fe1\u606f\u5b58\u50a8\u3001\u4f20\u8f93\u548c\u5904\u7406\u7684\u53ef\u80fd\u6027\u5df2\u7ecf\u63a8\u52a8\u4e86\u8c37\u7535\u5b50\u5b66\u9886\u57df\u7684\u6df1\u5165\u7814\u7a76\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u8fd9\u4e9b\u6750\u6599\u8fd8\u5177\u6709\u53ef\u4ee5\u901a\u8fc7\u8c03\u63a7\u80fd\u5e26\u7ed3\u6784\u6765\u63a7\u5236\u7684\u91cf\u5b50\u51e0\u4f55\u6548\u5e94\uff0c\u5305\u62ec\u8c37\u76f8\u5173\u7684\u970d\u5c14\u6548\u5e94\u548c\u8f68\u9053\u78c1\u6027\u3002\u4e0e\u7535\u5b50\u81ea\u65cb\u76f8\u6bd4\uff0c\u540e\u8005\u5728\u78c1\u573a\u4e2d\u53ef\u80fd\u8868\u73b0\u51fa\u66f4\u5927\u7684\u8026\u5408\u3002\u8fd9\u4e9b\u7531\u8f68\u9053\u81ea\u7531\u5ea6\u9a71\u52a8\u7684\u73b0\u8c61\u4e3a\u5148\u524d\u672a\u77e5\u7684\u94c1\u7535\u5e8f\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u7814\u7a76\u57fa\u7840\uff0c\u4ece\u800c\u4fdd\u8bc1\u5bf9\u5916\u90e8\u573a\u7684\u5927\u54cd\u5e94\u548c\u591a\u529f\u80fd\u5668\u4ef6\u5e94\u7528\u3002\u4f8b\u5982\uff0c\u4fe1\u606f\u53ef\u4ee5\u5b58\u50a8\u5728\u5177\u6709\u4e0d\u540c\u8c37\u548c\u78c1\u6027\u7279\u5f81\u7ec4\u5408\u7684\u591a\u79cd\u72b6\u6001\u4e2d\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u53d7\u9650\u4e8e\u81ea\u65cb\u7684\u4e8c\u8fdb\u5236\u72b6\u6001\u3002\u6b64\u5916\uff0c\u8fd9\u4e9b\u72b6\u6001\u53ef\u4ee5\u65b9\u4fbf\u5730\u901a\u8fc7\u7535\u573a\u8fdb\u884c\u64cd\u4f5c\u3002\u5c3d\u7ba1\u8f68\u9053\u591a\u94c1\u4f53\u63d0\u4f9b\u4e86\u8bb8\u591a\u5e94\u7528\u548c\u7406\u8bba\u5efa\u8bae\uff0c\u4ee5\u5b9e\u73b0\u5728\u77f3\u58a8\u70ef\u548c\u8fc7\u6e21\u91d1\u5c5e\u4e8c\u786b\u5316\u7269\u5f02\u8d28\u7ed3\u6784\u4e2d\u7684\u591a\u94c1\u4f53\u73b0\u8c61\uff0c\u4f46\u72ec\u7acb\u5207\u6362\u8c37\u548c\u78c1\u6027\u4ecd\u7136\u662f\u56f0\u96be\u7684\u3002<\/p>\n<p>\u6700\u8fd1\uff0c\u7531\u7535\u5b50\u76f8\u5173\u6548\u5e94\u5f15\u8d77\u7684\u81ea\u53d1\u94c1\u6781\u5316\u548c\u8f68\u9053\u78c1\u6027\u5728\u83f1\u5f62\u3001\u53cc\u5c42\u548c\u4e09\u5c42\u77f3\u58a8\u70ef\u4ee5\u53ca\u626d\u8f6c\u77f3\u58a8\u70ef\u5c42\u4e2d\u5df2\u7ecf\u89c2\u5bdf\u5230\u3002\u5c3d\u7ba1\u89c2\u5bdf\u5230\u4e86\u78c1\u6ede\uff0c\u4f46\u94c1\u6027\u548c\u8f68\u9053\u78c1\u5316\u59cb\u7ec8\u662f\u76f8\u4e92\u9501\u5b9a\u7684\u3002\u8fd9\u662f\u56e0\u4e3a\u8981\u751f\u6210\u7528\u4e8e\u65af\u901a\u7eb3\u4e0d\u7a33\u5b9a\u6027\u7684\u5e73\u5e26\u9700\u8981\u4e00\u4e2a\u8f83\u5927\u7684\u6805\u6781\u7535\u573a\uff0c\u6216\u8005\u5728\u83ab\u5c14\u8d85\u6676\u683c\u7684\u56fa\u5b9a\u80fd\u5e26\u7ed3\u6784\u4e2d\u3002\u8c37\u548c\u78c1\u5316\u4e4b\u95f4\u7684\u4e00\u4e00\u5bf9\u5e94\u5173\u7cfb\u963b\u6b62\u4e86\u5b83\u4eec\u7684\u72ec\u7acb\u63a7\u5236\u548c\u5b9e\u73b0\u591a\u94c1\u6027\u3002\u5728\u626d\u8f6c\u7684\u5355\u5c42-\u53cc\u5c42\u77f3\u58a8\u70ef\u4e2d\uff0c\u89c2\u5bdf\u5230\u901a\u8fc7\u7535\u8377\u63ba\u6742\u5728\u4e00\u4e2a\u56fa\u5b9a\u7684\u8c37\u4e2d\u7ffb\u8f6c\u8f68\u9053\u78c1\u5316\u7684\u73b0\u8c61\u3002\u5728\u4e00\u822c\u7684\u6750\u6599\u73af\u5883\u4e2d\uff0c\u6ca1\u6709\u83ab\u5c14\u8d85\u6676\u683c\u7684\u60c5\u51b5\u4e0b\uff0c\u4e86\u89e3\u4f53\u6001\u5bf9\u94c1\u8c37\u7535\u5b50\u548c\u94c1\u8f68\u9053\u78c1\u6027\u5e8f\u7684\u8d21\u732e\u662f\u81f3\u5173\u91cd\u8981\u7684\uff0c\u800c\u4e0d\u5e26\u6709\u8fb9\u7f18\u6001\u7684\u590d\u6742\u6027\u3002\u7136\u800c\uff0c\u81ea\u7136\u6676\u4f53\u4e2d\u7684\u8f68\u9053\u591a\u94c1\u6027\u5c1a\u672a\u88ab\u89c2\u5bdf\u5230\u3002<\/p>\n<h2 style=\"text-align: center;\">02. \u6210\u679c\u63a0\u5f71<\/h2>\n<p>\u9274\u4e8e\u6b64\uff0c\u7f8e\u56fd\u9ebb\u7701\u7406\u5de5\u5b66\u9662\u7269\u7406\u7cfb\u5de8\u9f99\u548c\u54c8\u5f17\u5927\u5b66Hongkun Park\u7b49\u4eba\u63a2\u8ba8\u4e86\u5177\u6709\u83f1\u5f62\u5c42\u53e0\u7ed3\u6784\u7684\u4e94\u5c42\u77f3\u58a8\u70ef\u4e2d\u7684\u8f68\u9053\u591a\u94c1\u6027\u3002\u7814\u7a76\u6545\u610f\u626d\u8f6c\u4e86\u77f3\u58a8\u70ef\u4e0e\u516d\u65b9\u6c2e\u5316\u787c\u5c42\u4e4b\u95f4\u7684\u5939\u89d2\uff0c\u4f7f\u5176\u8fdc\u79bb\u96f6\u5ea6\uff0c\u4ee5\u907f\u514d\u83ab\u5c14\u8d85\u6676\u683c\u6548\u5e94\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u7cfb\u7edf\u7684\u53cd\u6f14\u5bf9\u79f0\u6027\u786e\u4fdd\u4e86\u8d1d\u91cc\u66f2\u7387\u4e3a\u96f6\u3002\u5f53\u901a\u8fc7\u7535\u573a\u5f00\u542f\u5e26\u9699\u65f6\uff0c\u9760\u8fd1\u80fd\u5e26\u8fb9\u7f18\u7684\u6001\u4f1a\u83b7\u5f97\u975e\u96f6\u7684\u8d1d\u91cc\u66f2\u7387\u3002\u8d1d\u91cc\u66f2\u7387\u7684\u7b26\u53f7\u3001\u53cd\u5e38\u970d\u5c14\u7535\u963bR<sub>xy<\/sub>\u548c\u8f68\u9053\u78c1\u5316\u53d6\u51b3\u4e8e\u8c37\u6307\u6807\u548cE\u3002\u8fd9\u4e9b\u7ed3\u679c\u6e05\u695a\u5730\u8868\u660e\u5728\u83f1\u5f62\u77f3\u58a8\u70ef\u4e2d\uff0c\u8c37\u548c\u8f68\u9053\u78c1\u6027\u662f\u4e24\u4e2a\u72ec\u7acb\u7684\u5e8f\u53c2\u91cf\u3002\u56e0\u6b64\uff0c\u5728\u4e94\u5c42\u77f3\u58a8\u70ef\u4e2d\uff0c\u53ef\u80fd\u5b58\u5728\u56db\u4e2a\u8c37\u6781\u5316\u72b6\u6001\uff0c\u4e5f\u5c31\u662f\u5f62\u6210\u4e86\u4e00\u4e2a\u8c37\u78c1\u201c\u56db\u91cd\u594f\u201d\uff0c\u5206\u522b\u4e3a\uff08K\uff0c+M\uff09\u3001\uff08K\uff0c-M\uff09\u3001\uff08K&#8217;\uff0c+M\uff09\u548c\uff08K&#8217;\uff0c-M\uff09\uff0c\u6bcf\u4e2a\u72b6\u6001\u7684\u8d39\u7c73\u8868\u9762\u7a7f\u8fc7\u5176\u4e2d\u4e00\u4e2a\u56db\u4e2a\u80fd\u5e26\u3002\u4e94\u5c42\u77f3\u58a8\u70ef\u4e2d\u7684\u53ef\u8c03\u8d1d\u91cc\u66f2\u7387\u5e73\u5e26\u4e3a\u7535\u5b50\u76f8\u5173\u6027\u548c\u91cf\u5b50\u51e0\u4f55\u6548\u5e94\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u7814\u7a76\u9886\u57df\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cOrbital multiferroicity in pentalayer rhombohedral graphene\u201d\u4e3a\u9898\uff0c\u53d1\u8868\u5728\u9876\u7ea7\u671f\u520a\u300aNature\u300b\u4e0a\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-255769\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/1-3.jpg\" alt=\"\" width=\"1069\" height=\"302\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/1-3.jpg 1069w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/1-3-300x85.jpg 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/1-3-768x217.jpg 768w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/1-3-1024x289.jpg 1024w\" sizes=\"(max-width: 1069px) 100vw, 1069px\" \/><\/p>\n<h2 style=\"text-align: center;\">03. \u6838\u5fc3\u521b\u65b0\u70b9<\/h2>\n<p>\u672c\u6587\u7684\u6838\u5fc3\u521b\u65b0\u70b9\u662f\u5728\u6676\u4f53\u4e94\u5c42\u77f3\u58a8\u70ef\u4e2d\u5b9e\u73b0\u4e86\u72ec\u7acb\u63a7\u5236\u7684\u94c1\u8c37\u6027\u548c\u94c1\u8f68\u9053\u78c1\u6027\uff0c\u4e3a\u8c37\u7535\u5b50\u5b66\u548c\u78c1\u5b66\u4e2d\u7684\u591a\u529f\u80fd\u8bbe\u5907\u5e94\u7528\u63d0\u4f9b\u4e86\u65b0\u7684\u53ef\u80fd\u6027\u3002<\/p>\n<h2 style=\"text-align: center;\">04. \u6570\u636e\u6982\u89c8<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-255770\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/2-2.jpg\" alt=\"\" width=\"903\" height=\"494\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/2-2.jpg 903w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/2-2-300x164.jpg 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/2-2-768x420.jpg 768w\" sizes=\"(max-width: 903px) 100vw, 903px\" \/><\/p>\n<p><strong>\u56fe<\/strong><strong>1 | <\/strong><strong>\u5177\u6709\u83f1\u5f62\u5c42\u53e0\u7ed3\u6784\u7684\u4e94\u5c42\u77f3\u58a8\u70ef\u4e2d\u901a\u8fc7\u6805\u7535\u573a\u8bf1\u5bfc\u7684\u8d1d\u91cc\u66f2\u7387\u548c\u8c37<\/strong><strong>&#8211;<\/strong><strong>\u78c1\u56db\u91cd\u6001\u3002<\/strong><strong>a<\/strong><strong>\uff0c\u53cc\u6805\u970d\u5c14\u6761\u5f62\u5668\u4ef6\u7684\u793a\u610f\u56fe\uff0c\u663e\u793a\u4e86\u4e94\u5c42\u83f1\u5f62\u77f3\u58a8\u70ef\u7684\u539f\u5b50\u7ed3\u6784\u7684\u4fef\u89c6\u56fe\u3002\u4f4d\u4e8e\u4e94\u5c42\u77f3\u58a8\u70ef\u5e95\u90e8\u548c\u9876\u90e8\u7684\u7a81\u51fa\u8f68\u9053\u4e3b\u5bfc\u4e86\u4f4e\u80fd\u5e26\u7684\u6ce2\u51fd\u6570\u3002<\/strong><strong>b<\/strong><strong>\uff0c<\/strong><strong>K<\/strong><strong>\u548c<\/strong><strong>K&#8217;<\/strong><strong>\u8c37\u4e2d\u7684\u5e26\u7ed3\u6784\u7684\u5f69\u8272\u7f16\u7801\u56fe\uff0c\u663e\u793a\u4e86\u5728\u4e0d\u540c\u6805\u7535\u573a<\/strong><strong>E<\/strong><strong>\u4e0b\u7684\u8d1d\u91cc\u66f2\u7387\u5206\u5e03\u3002\u4ef7\u5e26\u6bd4\u5bfc\u5e26\u66f4\u5e73\u5766\uff0c\u66f4\u5bb9\u6613\u53d7\u5230\u7535\u5b50\u76f8\u5173\u6548\u5e94\u7684\u5f71\u54cd\u3002\u968f\u7740<\/strong><strong>E<\/strong><strong>\u7684\u7b26\u53f7\u53d8\u5316\uff0c\u4ef7\u5e26\u7684\u8d1d\u91cc\u66f2\u7387\u548c\u8f68\u9053\u78c1\u77e9\uff08<\/strong><strong>M<\/strong><strong>\uff09\u7684\u7b26\u53f7\u4e5f\u4f1a\u6539\u53d8\u3002\u4e24\u4e2a\u8c37\u4e2d\u7684\u8d1d\u91cc\u66f2\u7387\u76f8\u52a0\u4e3a\u96f6\uff0c\u4ee5\u786e\u4fdd\u65f6\u95f4\u53cd\u6f14\u5bf9\u79f0\u6027\u3002\u5728\u975e\u96f6<\/strong><strong>E<\/strong><strong>\u4e0b\u7684\u56db\u4e2a\u72b6\u6001\u5f62\u6210\u4e00\u4e2a\u8c37<\/strong><strong>&#8211;<\/strong><strong>\u78c1\u56db\u91cd\u6001\u3002<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-255771\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/3-2.jpg\" alt=\"\" width=\"1178\" height=\"709\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/3-2.jpg 1178w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/3-2-300x181.jpg 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/3-2-768x462.jpg 768w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/3-2-1024x616.jpg 1024w\" sizes=\"(max-width: 1178px) 100vw, 1178px\" \/><\/p>\n<p>\u56fe2 | \u8c37\u6781\u5316\u534a\u91d1\u5c5e\u4e2d\u7684\u8f68\u9053\u94c1\u78c1\u6027\u3002a, b\uff0c\u7eb5\u5411\u7535\u963bR<sub>xx<\/sub>\u7684\u4e8c\u7ef4\u56fe\uff0c\u5206\u522b\u5bf9\u5e940 T\uff08a\uff09\u548c1.8 T\uff08b\uff09\u7684\u5782\u76f4\u78c1\u573a\u3002\u5f53\u901a\u8fc7\u7a7a\u7a74\u63ba\u6742\u4f7f\u5e73\u5e26\u7684\u4ef7\u5e26\u51fa\u73b0\u65f6\uff0c\u51fa\u73b0\u4e86\u4e00\u4e2a\u6ce1\u6ce1\u72b6\u533a\u57df\u3002\u57281.8 T\u65f6\uff0c\u5728\u6ce1\u6ce1\u7684\u4e00\u90e8\u5206\u4e2d\u51fa\u73b0\u4e86\u91cf\u5b50\u632f\u8361\uff0c\u5bc6\u5ea6\u7684\u5468\u671f\u4e0e\u8d39\u7c73\u80fd\u7ea7\u4e0a\u7684\u4e24\u79cd\u540c\u4f4d\u65cb\u5473\u9053\uff08\u7b80\u5e76\u5ea6d = 2\uff09\u76f8\u5bf9\u5e94\u3002c\uff0c\u4e0ea\u548cb\u76f8\u540c\u8303\u56f4\u5185\u7684B = 0.5 T\u7684\u970d\u5c14\u7535\u963bR<sub>xy<\/sub>\u7684\u4e8c\u7ef4\u56fe\u3002\u5728\u4e00\u4e2a\u7ffc\u72b6\u533a\u57df\u4e2d\u51fa\u73b0\u4e86\u5f02\u5e38\u970d\u5c14\u4fe1\u53f7\uff0c\u8fd9\u4e2a\u533a\u57df\u4e0eb\u4e2d\u51fa\u73b0\u91cf\u5b50\u632f\u8361\u7684\u533a\u57df\u5927\u90e8\u5206\u91cd\u53e0\uff0c\u8868\u660e\u8fd9\u4e2a\u534a\u91d1\u5c5e\u533a\u57df\u4e2d\u5b58\u5728\u7531\u8c37\u6781\u5316\u5f15\u8d77\u7684\u8f68\u9053\u78c1\u6027\u3002d\uff0c\u968f\u7740\u78c1\u573aB\u7684\u626b\u63cf\u800c\u53d8\u5316\u7684R<sub>xy<\/sub>\uff0c\u663e\u793a\u4e86\u56fe\u5185\u660e\u663e\u7684\u78c1\u6ede\u56de\u7ebf\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-255772\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/4-2.jpg\" alt=\"\" width=\"661\" height=\"745\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/4-2.jpg 661w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/4-2-266x300.jpg 266w\" sizes=\"(max-width: 661px) 100vw, 661px\" \/><\/p>\n<p>\u56fe3 | \u94c1\u8c37\u6027\u3002a, b\uff0c\u5bf9\u5e94\u4e8eE\u6b63\u5411\u626b\u63cf\uff08a\uff09\u548c\u53cd\u5411\u626b\u63cf\uff08b\uff09\u7684R<sub>xy<\/sub>\u7684\u4e8c\u7ef4\u56fe\uff0c\u5728\u5c0f\u7684\u78c1\u573aB = 20 mT\u4e0b\u3002c\uff0cn<sub>e<\/sub> = -0.55 \u00d7 10<sup>12<\/sup> cm<sup>-2<\/sup>\u5904\u7684R<sub>xy<\/sub>\uff0c\u5bf9\u5e94\u4e8ea\u548cb\u4e2d\u6240\u793a\u7684\u7ebf\u3002\u8774\u8776\u5f62\u7684\u6ede\u56de\u884c\u4e3a\u8868\u660e\u8c37\u6781\u5316\u6301\u7eed\u5b58\u5728\uff0c\u5f53E\u63a5\u8fd1\u8fb9\u754c\u5e76\u8131\u79bb\u7ffc\u90e8\u65f6\uff0c\u4f1a\u53d1\u751f\u6781\u6027\u53d8\u5316\u3002\u4e3a\u4ee3\u8868\u6027\u72b6\u6001\u663e\u793a\u4e86\u4ef7\u5e26\u6392\u5217\u548c\u8d39\u7c73\u9762\u793a\u610f\u56fe\u3002\u5e26\u7684\u989c\u8272\u7f16\u7801\u6839\u636e\u8d1d\u91cc\u66f2\u7387\u7684\u503c\uff0c\u4e0e\u56fe1b\u76f8\u540c\u3002\u8774\u8776\u5f62\u524d\u9762\u7684\u5c16\u5cf0\u662f\u7531\u4e8e\u78c1\u8026\u5408\u2212M B\u5f15\u8d77\u7684\u8c37\u6781\u5316\u548cRxy\u7684\u7ffb\u8f6c\u3002d\uff0c\u4e0ea\u4e2d\u7684R<sub>xy<\/sub>\u56fe\u76f8\u5bf9\u5e94\u7684\u8c37\u6781\u5316V\u7684\u56fe\u3002e\uff0c\u5bf9\u5e94\u4e8e\u5c0f\u8d1f\u78c1\u573aB = -20 mT\u7684c\u548cd\u4e2d\u7684\u76f8\u540c\u56fe\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-255773\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/5-2.jpg\" alt=\"\" width=\"1007\" height=\"596\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/5-2.jpg 1007w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/5-2-300x178.jpg 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/5-2-768x455.jpg 768w\" sizes=\"(max-width: 1007px) 100vw, 1007px\" \/><\/p>\n<p><strong>\u56fe<\/strong><strong>4 | <\/strong><strong>\u7531\u78c1\u573a\u548c\u6e29\u5ea6\u63a7\u5236\u7684\u94c1\u8c37\u6027\u3002<\/strong><strong>a,b<\/strong><strong>\uff0c\u5bf9\u5e94\u4e8e\u4e0d\u540c\u78c1\u573a\u4e0b<\/strong><strong>E<\/strong><strong>\u6b63\u5411\u626b\u63cf\uff08<\/strong><strong>a<\/strong><strong>\uff09\u548c\u53cd\u5411\u626b\u63cf\uff08<\/strong><strong>b<\/strong><strong>\uff09\u7684<\/strong><strong>R<sub>xy<\/sub><\/strong><strong>\u7684\u4e8c\u7ef4\u56fe\uff0c<\/strong>n<sub>e<\/sub> = -0.55 \u00d7 10<sup>12<\/sup> cm<sup>-2<\/sup><strong>\u3002\u5f53<\/strong><strong>B<\/strong><strong>\u8f83\u5c0f\u65f6\uff0c\u94c1\u8c37\u6027\u652f\u914d\u4e86\u5668\u4ef6\u884c\u4e3a\u3002\u5728\u5927\u7ea6<\/strong><strong>0.6 T<\/strong><strong>\u4ee5\u4e0a\uff0c<\/strong><strong>R<sub>xy<\/sub><\/strong><strong>\u548c<\/strong><strong>V<\/strong><strong>\u5b8c\u5168\u7531\u78c1\u573a\u51b3\u5b9a\uff0c\u800c\u8774\u8776\u56fe\u6d88\u5931\u3002<\/strong><strong>c<\/strong><strong>\uff0c\u5bf9\u5e94\u4e8e<\/strong><strong>a<\/strong><strong>\u4e2d\u5b9e\u7ebf\u548c<\/strong><strong>b<\/strong><strong>\u4e2d\u865a\u7ebf\u7684\u7ebf\u5207\u7247\uff0c\u663e\u793a\u8774\u8776\u56fe\u5728<\/strong><strong>E<\/strong><strong>\u4e2d\u9010\u6e10\u7f29\u5c0f\uff0c\u6700\u7ec8\u6f14\u53d8\u6210<\/strong><strong>\u2018M\u2019<\/strong><strong>\u6216<\/strong><strong>\u2018W\u2019<\/strong><strong>\u5f62\u72b6\u3002\u7531\u7bad\u5934\u8868\u793a\u7684<\/strong><strong>E<sub>B<\/sub><\/strong><strong>\u662f\u7ec8\u6b62\u8774\u8776\u56fe\u7684\u4e34\u754c\u573a\u3002<\/strong><strong>d<\/strong><strong>\uff0c<\/strong>n<sub>e<\/sub> = -0.55 \u00d7 10<sup>12<\/sup> cm<sup>-2<\/sup><strong>\u548c<\/strong><strong>B = -20 mT<\/strong><strong>\u7684\u4e0d\u540c\u6e29\u5ea6\u4e0b<\/strong><strong>E<\/strong><strong>\u626b\u63cf\u7684<\/strong><strong>R<sub>xy<\/sub><\/strong><strong>\u3002\u968f\u7740\u6e29\u5ea6\u7684\u5347\u9ad8\uff0c\u8774\u8776\u56fe\u548c\u94c1\u8c37\u6027\u9010\u6e10\u6d88\u5931\uff0c\u7c7b\u4f3c\u4e8e<\/strong><strong>B<\/strong><strong>\u589e\u52a0\u65f6\u7684\u884c\u4e3a\u3002<\/strong><strong>E<sub>T<\/sub><\/strong><strong>\u662f\u7ec8\u6b62\u8774\u8776\u56fe\u7684\u4e34\u754c\u573a\u3002<\/strong><strong>e<\/strong><strong>\uff0c\u6765\u81ea<\/strong><strong>c<\/strong><strong>\u548c<\/strong><strong>d<\/strong><strong>\u7684\u4e34\u754c\u573a<\/strong><strong>E<sub>B<\/sub><\/strong><strong>\u548c<\/strong><strong>E<sub>T<\/sub><\/strong><strong>\u3002<\/strong><strong>f<\/strong><strong>\uff0c\u7528\u6765\u89e3\u91ca\u5728\u4e34\u754c\u573a<\/strong><strong>E<sub>B<\/sub><\/strong><strong>\u548c<\/strong><strong>E<sub>T<\/sub><\/strong><strong>\u5904<\/strong><strong>R<sub>xy<\/sub><\/strong><strong>\u7ffb\u8f6c\u7684\u793a\u610f\u56fe\u3002\u5f53\u78c1\u80fd<\/strong><strong>M B<\/strong><strong>\u548c\u70ed\u80fd<\/strong><strong>k<sub>B<\/sub>T<\/strong><strong>\u76f8\u52a0\u4ee5\u514b\u670d\u80fd\u5792<\/strong><strong>D<\/strong><strong>\u65f6\u53d1\u751f\u7ffb\u8f6c\u3002<\/strong><strong>g<\/strong><strong>\uff0c\u4ece<\/strong><strong>e<\/strong><strong>\u4e2d\u63d0\u53d6\u7684<\/strong><strong>E<\/strong><strong>\u51fd\u6570\u7684\u5e73\u5747\u8f68\u9053\u78c1\u77e9\u7684\u6709\u6548<\/strong><strong>g<\/strong><strong>\u56e0\u5b50\u3002<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-255774\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/6.jpg\" alt=\"\" width=\"672\" height=\"732\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/6.jpg 672w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/11\/6-275x300.jpg 275w\" sizes=\"(max-width: 672px) 100vw, 672px\" \/><\/p>\n<p><strong>\u56fe<\/strong><strong>5 | <\/strong><strong>\u8f68\u9053\u591a\u94c1\u6027\u7684\u7535\u8c03\u63a7\u3002<\/strong><strong>a<\/strong><strong>\uff0c\u94c1\u7535\u6027\u548c\u76f8\u5e94\u7684\u5171\u8f6d\u573a\u3002\u94c1\u8c37\u6027\u540c\u65f6\u7834\u574f\u53cd\u6f14\u5bf9\u79f0\u6027\uff08\u7531\u4e8e<\/strong><strong>E<\/strong><strong>\u573a\uff09\u548c\u65f6\u95f4\u53cd\u6f14\u5bf9\u79f0\u6027\uff08\u7531\u4e8e<\/strong><strong>B<\/strong><strong>\u573a\uff09\uff0c\u7c7b\u4f3c\u4e8e\u94c1\u7535\u591a\u6781\u5e8f\u3002\u94c1\u8c37\u7535\u5b50\u5e8f\u548c\u94c1\u8f68\u9053\u78c1\u7535\u5e8f\u5f62\u6210\u4e86\u4e00\u4e2a\u8f68\u9053\u591a\u94c1\u4f53\u3002<\/strong><strong>b<\/strong><strong>\uff0c\u901a\u8fc7\u626b\u63cf\u6805\u7535\u573a<\/strong><strong>E<\/strong><strong>\u6765\u72ec\u7acb\u5207\u6362\u8c37\u6781\u5316<\/strong><strong>V<\/strong><strong>\uff08\u84dd\u8272\uff09\u548c\u8f68\u9053\u78c1\u77e9<\/strong><strong>M<\/strong><strong>\uff08\u9ec4\u8272\uff09\u3002\u9876\u90e8\uff0c\u5207\u6362\u8def\u5f84\u6cbf\u7740\u8774\u8776\u56fe\u7684\u8def\u5f84\uff0c\u8fde\u63a5\u4e86\u4e24\u4e2a\u7531\u4e24\u4e2a\u70b9\u6807\u8bb0\u7684\u9759\u6001\u72b6\u6001\u3002\u8def\u5f84\u7684\u989c\u8272\u4e0e\u5207\u6362\u8109\u51b2\u7684\u989c\u8272\u5339\u914d\uff0c\u7bad\u5934\u6807\u660e\u4e86\u626b\u63cf\u65b9\u5411\u3002\u8fd9\u91cc\u65bd\u52a0\u4e86\u4e00\u4e2a\u5c0f\u7684\u78c1\u573a<\/strong><strong>B = 20 mT<\/strong><strong>\u3002<\/strong><strong>c<\/strong><strong>\uff0c\u4f7f\u7528\u6805\u7535\u573a\u8fdb\u884c<\/strong><strong>M<\/strong><strong>\u548c<\/strong><strong>V<\/strong><strong>\u7684\u975e\u6613\u5931\u6027\u540c\u65f6\u5207\u6362\u3002<\/strong><\/p>\n<h2 style=\"text-align: center;\">05. 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