{"id":19129,"date":"2011-01-06T10:57:13","date_gmt":"2011-01-06T02:57:13","guid":{"rendered":"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/?p=19129"},"modified":"2021-10-06T16:29:36","modified_gmt":"2021-10-06T08:29:36","slug":"%e5%b7%a8%e7%a3%81%e9%98%bb%ef%bc%88giant-magnetoresistance%ef%bc%89%e7%b0%a1%e4%bb%8b","status":"publish","type":"post","link":"http:\/\/localhost\/%e5%b7%a8%e7%a3%81%e9%98%bb%ef%bc%88giant-magnetoresistance%ef%bc%89%e7%b0%a1%e4%bb%8b\/","title":{"rendered":"\u5de8\u78c1\u963b\uff08Giant Magnetoresistance\uff09\u7c21\u4ecb"},"content":{"rendered":"<div class=\"pf-content\"><p><strong><span style=\"color: #ff6600;\"><span style=\"color: #ff6600;\">\u5de8\u78c1\u963b<\/span>\uff08Giant Magnetoresistance\uff09\u7c21\u4ecb<br \/>\n<\/span><span style=\"color: #008000;\">\u570b\u7acb\u81fa\u7063\u5e2b\u7bc4\u5927\u5b78\u7269\u7406\u7cfb\u5433\u5e78\u7487\u78a9\u58eb\u751f\/\u570b\u7acb\u81fa\u7063\u5e2b\u7bc4\u5927\u5b78\u7269\u7406\u7cfb\u8521\u5fd7\u7533\u6559\u6388\u8cac\u4efb\u7de8<\/span><\/strong><span style=\"color: #008000;\">\u8f2f<\/span><\/p>\n<p><span style=\"color: #000000;\">\u5de8\u78c1\u963b<\/span>\u6548\u61c9\u662f\u4e8c\u5341\u4e16\u7d00\u672b\u6700\u5049\u5927\u7684\u767c\u660e\u4e4b\u4e00\uff0c\u5176\u767c\u660e\u958b\u555f\u4e86\u81ea\u65cb\u96fb\u5b50\u5b78\uff08spintronics\uff09\u9818\u57df\u7684\u84ec\u52c3\u767c\u5c55\uff0c\u4f7f\u5f97\u4eca\u65e5\u7684\u79d1\u6280\u5927\u5927\u5411\u524d\u8e8d\u9032\u3002<\/p>\n<p>\u5de8\u78c1\u963b\u73fe\u8c61\u7684\u767c\u73fe\u662f\u57281988\u5e74\u7531\u5fb7\u570b\u5c24\u5229\u897f\u7814\u7a76\u4e2d\u5fc3\u7684\u5f7c\u5f97\u2027\u845b\u502b\u4f2f\u683c\uff08Peter Grunberg\uff09\u548c\u5df4\u9ece\u7b2c\u5341\u4e00\u5927\u5b78\u7684\u827e\u723e\u4f2f\u2027\u8cbb\u723e\uff08Albert Fert\uff09\u5206\u5225\u7368\u7acb\u767c\u73fe\uff0c\u5169\u4eba\u5171\u540c\u7372\u5f972007\u5e74\u8afe\u8c9d\u723e\u7269\u7406\u5b78\u734e\uff1b\u800c\u53e6\u5916\u4e00\u4f4d\u5c0d\u5de8\u78c1\u963b\u6709\u91cd\u5927\u8ca2\u737b\u7684\u79d1\u5b78\u5bb6\u5247\u662fIBM\u5be6\u9a57\u5ba4\u7684\u53f2\u90fd\u83ef\u2027\u5e15\u91d1\uff08Stuart S. P. Parkin\uff09\uff0c\u4ed6\u5c07\u5de8\u78c1\u963b\u61c9\u7528\u5230\u5e38\u6eab\uff0c\u4e26\u4e14\u505a\u4e86\u5f88\u591a\u65b0\u6750\u6599\u7684\u958b\u767c\u53ca\u6539\u826f\uff0c\u4f7f\u5f97\u5de8\u78c1\u963b\u7684\u6280\u8853\u52a0\u901f\u767c\u5c55\uff0c\u4e26\u8207\u5de5\u696d\u754c\u6210\u719f\u7684\u88fd\u7a0b\u6280\u8853\u76f8\u63a5\u8ecc\u3002<!--more--><\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" id=\"aimg_2461\" class=\"aligncenter\" onclick=\"zoom(this, this.src)\" src=\"http:\/\/highscope.ch.ntu.edu.tw\/phpBB\/attachments\/month_1012\/1012012045eb87734e34f9f979.png\" alt=\"02t1.png\" width=\"600\" \/><\/p>\n<p>\u5728\u6df1\u5165\u63a2\u8a0e\u5de8\u78c1\u963b\u73fe\u8c61\u4e4b\u524d\u8b93\u6211\u5011\u5148\u7c21\u55ae\u7684\u4ecb\u7d39\u4e00\u4e9b\u57fa\u672c\u7684\u540d\u8a5e\uff0c\u9996\u5148\u300c\u81ea\u65cb\u300d\uff08spin\uff09\u662f\u4e00\u7a2e\u5177\u6709\u65b9\u5411\u7684\u7269\u7406\u7279\u6027\uff0c\u5176\u4e2d\u96fb\u5b50\u7684\u81ea\u65cb\u5206\u70ba\u300c\u81ea\u65cb\u5411\u4e0a\u300d\uff08spin up\uff09\u53ca\u300c\u81ea\u65cb\u5411\u4e0b\u300d\uff08spin down\uff09\uff08\u4e0a\u3001\u4e0b\u7684\u76f8\u5c0d\u65b9\u4f4d\u901a\u5e38\u548c\u6211\u5011\u6240\u5916\u52a0\u7684\u78c1\u5834\u6709\u95dc\uff09\u3002<\/p>\n<p>\u78c1\u5076\u6975\u77e9\u4e5f\u662f\u4e00\u7a2e\u5177\u6709\u65b9\u5411\u7684\u7269\u7406\u7279\u6027\uff0c\u5176\u4f86\u6e90\u5206\u70ba\u5169\u8005\uff0c\u5206\u5225\u70ba\u96fb\u5b50\u81ea\u65cb\u53ca\u96fb\u5b50\u7e5e\u8457\u539f\u5b50\u6838\u5728\u8ecc\u9053\u4e0a\u904b\u884c\uff1b\u7576\u7269\u8cea\u7684\u78c1\u5076\u6975\u77e9\u76f8\u4e92\u52a0\u6210\u5f8c\u4ecd\u6709\u975c\u78c1\u77e9\u5b58\u5728\uff0c\u4e26\u4e14\u5f62\u6210\u539f\u5b50\u78c1\u77e9\u9806\u5411\u6392\u5217\u7684\u78c1\u5340\u6642\uff0c\u5247\u7a31\u4e4b\u70ba\u300c\u9435\u78c1\u6027\u7269\u8cea\u300d\u3002<\/p>\n<p>\u800c\u6240\u8b02\u78c1\u963b\u662f\u6307\u96fb\u963b\u53d7\u5230\u5916\u52a0\u78c1\u5834\u5f8c\u6240\u7522\u751f\u7684\u8b8a\u5316\uff0c\u8209\u4f8b\u4f86\u8aaa\uff0c\u82e5\u70ba\u8ca0\u78c1\u963b\u5247\u8868\u793a\u96fb\u963b\u503c\u96a8\u8457\u78c1\u5834\u7684\u589e\u52a0\u800c\u6e1b\u5c11\uff0c\u53cd\u4e4b\u6b63\u78c1\u963b\u5247\u8868\u793a\u96fb\u963b\u503c\u96a8\u5916\u52a0\u78c1\u5834\u589e\u52a0\u800c\u589e\u52a0\u3002<\/p>\n<p><strong><span style=\"color: #800080;\"><span style=\"color: darkorchid;\">\u5de8\u78c1\u963b\u73fe\u8c61<\/span><\/span><\/strong><\/p>\n<p>\u5de8\u78c1\u963b\u73fe\u8c61\u662f\u628a\u9435\u78c1\u6027\u7269\u8cea\u548c\u4e00\u822c\u91d1\u5c6c\u88fd\u4f5c\u6210\u8907\u5408\u5f0f\u591a\u5c64\u819c\u7684\u7d50\u69cb\uff0c\u5404\u819c\u5c64\u539a\u5ea6\u5728\u5948\u7c73\u5c3a\u5bf8\uff0c\u6b64\u6642\u7a31\u4e4b\u70ba\u8d85\u6676\u683c\uff0c\u5c07\u6b64\u591a\u5c64\u819c\u653e\u7f6e\u5230\u78c1\u5834\u4e2d\u6642\uff0c\u82e5\u78c1\u5834\u5f37\u5ea6\u589e\u52a0\u6642\uff0c\u5247\u78c1\u963b\u6703\u660e\u986f\u4e0b\u964d\u3002<\/p>\n<p>\u5f7c\u5f97\u2027\u845b\u502b\u4f2f\u683c\u7684\u7814\u7a76\u5c0f\u7d44\u5728\u6700\u521d\u7684\u7814\u7a76\u4e2d\u53ea\u7814\u7a76\u4e86\u7531\u9435\u3001\u927b\u3001\u9435\u4e09\u5c64\u6750\u6599\u6240\u7d44\u6210\u7684\u7d50\u69cb\u7269\u8cea\uff0c\u7531\u4ed6\u5011\u7684\u5be6\u9a57\u7d50\u679c\u986f\u793a\u51fa\u96fb\u963b\u4e0b\u964d\u4e861.5%\uff1b\u800c\u827e\u723e\u4f2f\u2027\u8cbb\u723e\u7684\u7814\u7a76\u5c0f\u7d44\u5247\u662f\u7814\u7a76\u4e86\u7531\u9435\u548c\u927b\u7d44\u6210\u7684\u591a\u5c64\u6750\u6599\uff0c\u5716\u4e00\u662f\u7531\u827e\u723e\u4f2f\u2027\u8cbb\u723e\u7684\u7814\u7a76\u5c0f\u7d44\u7684\u5be6\u9a57\u7d50\u679c\uff0c\u6a6b\u8ef8\u8868\u793a\u5916\u52a0\u7684\u78c1\u5834\uff08\u5373\u70ba\u78c1\u5316\u7684\u5f37\u5ea6\uff09\uff0c\u7e31\u8ef8\u5247\u70ba\u78c1\u5316\u6642\u7684\u96fb\u963b\u548c\u7121\u78c1\u5316\u7684\u96fb\u963b\uff08\u5916\u52a0\u78c1\u5834\u70ba0\u6642\uff09\u4e4b\u6bd4\u503c\uff0c\u7531\u5be6\u9a57\u986f\u793a\u9435\u548c\u927b\u4e4b\u6bd4\u4f8b\u4e0d\u540c\u5247\u53ef\u4f7f\u96fb\u963b\u4e0b\u964d\u7684\u7a0b\u5ea6\u4e0d\u540c\uff0c\u767c\u73fe\u6700\u591a\u53ef\u4f7f\u5f97\u96fb\u963b\u4e0b\u964d50%\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" id=\"aimg_2462\" class=\"aligncenter\" src=\"http:\/\/highscope.ch.ntu.edu.tw\/phpBB\/attachments\/month_1012\/1012012049ea9880e6d33e868c.png\" alt=\"02pic1.png\" width=\"307\" height=\"258\" \/><\/p>\n<div id=\"aimg_2462_menu\">\n<div><strong><span style=\"color: darkorchid;\">\u61c9\u7528\u53ca\u767c\u5c55<\/span><\/strong><br \/>\n<strong><\/strong><\/div>\n<div>\n<p>\u5de8\u78c1\u963b\u6548\u61c9\u6709\u8a31\u591a\u5f37\u5927\u7684\u61c9\u7528\uff0c\u7279\u5225\u662f\u5728\u786c\u789f\u7684\u8b80\u53d6\u982d\u4e0a\uff0c\u5de8\u78c1\u963b\u6548\u61c9\u8b93\u8a18\u61b6\u9ad4\u7a7a\u9593\u8b8a\u5c0f\uff0c\u4f7f\u5f97\u96fb\u8166\u9ad4\u7a4d\u80fd\u5920\u8d8a\u4f86\u8d8a\u5c0f\uff0c\u800c\u96fb\u8166\u80fd\u5920\u5132\u5b58\u7684\u8cc7\u8a0a\u4fbf\u8d8a\u4f86\u8d8a\u591a\uff1b\u800c\u4e0d\u50c5\u50c5\u662f\u96fb\u8166\uff0c\u5c31\u9023MP3\u3001PDA\u3001i-Pod\u7b49\u7522\u54c1\uff0c\u90fd\u53ef\u4ee5\u6709\u6b64\u6548\u76ca\uff0c\u4e0d\u4f46\u9ad4\u7a4d\u8f15\u8584\u77ed\u5c0f\u800c\u53ef\u4ee5\u64c1\u6709\u8d85\u9ad8\u8cc7\u6599\u7684\u5132\u5b58\u5bb9\u91cf\uff1b\u800c\u9810\u8a08\u57282012\u5e74\uff0c\u786c\u789f\u5132\u5b58\u5bc6\u5ea6\u63a8\u5c55\u52303.5\u82f1\u540b\u7684\u786c\u789f\u4e0a\u53ef\u9054\u5230300 Tbits \uff081<em>T<\/em> = 10<sup>12<\/sup> = 1000<em>G<\/em> \uff09\u7684\u8d85\u5927\u5bb9\u91cf\uff0c\u7531\u6b64\u53ef\u77e5\uff0c\u5230\u6642\u5019\u8a31\u591a\u6d88\u8cbb\u6027\u96fb\u5b50\u7522\u696d\u52e2\u5fc5\u5c07\u66f4\u70ba\u84ec\u52c3\u767c\u5c55\u3002<\/p>\n<p><strong>\u53c3\u8003\u8cc7\u6599\uff1a<\/strong><br \/>\n1.\u5f35\u6176\u745e\u3001\u8607\u53c8\u65b0\uff082008\uff09\uff0c\u300c\u5de8\u78c1\u963b\u7269\u7406\u4e4b\u6b77\u53f2\u8207\u5c55\u671b\u2014\u5f9e2007 \u5e74\u7269\u7406\u8afe\u8c9d\u723e\u734e\u8ac7\u8d77\u300d\uff0c\u7269\u7406\u96d9\u6708\u520a\u4e09\u5341\u5377\u4e8c\u671f\uff0c\u7b2c110~115\u9801<br \/>\n2.\u6c5f\u6587\u4e2d\u3001\u674e\u5c1a\u51e1\uff082008\uff09\uff0c\u300c2007 \u8afe\u8c9d\u723e\u7269\u7406\u734e\u2014\u8f15\u9b06\u770b\u5de8\u78c1\u963b\u300d\uff0c\u7269\u7406\u96d9\u6708\u520a\u4e09\u5341\u5377\u4e8c\u671f\uff0c\u7b2c116~121\u9801<br \/>\n3.\u7dad\u57fa\u767e\u79d1&#8211;\u5de8\u78c1\u963b\u6548\u61c9\u00a0\u00a0<a href=\"http:\/\/zh.wikipedia.org\/zh-tw\/\u5de8\u78c1\u963b\" target=\"_blank\" onfocus=\"undefined\">http:\/\/zh.wikipedia.org\/zh-tw\/\u5de8\u78c1\u963b<br \/>\n<\/a>4.Alert Fert\uff082008\uff09\uff0c\u300cThe present and the future of spintronics\u300d\uff0cThin Solid Films 517 2-5<\/p>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u5de8\u78c1\u963b\uff08Giant Magnetoresistance\uff09\u7c21\u4ecb \u570b\u7acb\u81fa\u7063\u5e2b\u7bc4\u5927\u5b78\u7269\u7406\u7cfb\u5433\u5e78\u7487\u78a9\u58eb\u751f\/\u570b\u7acb\u81fa\u7063\u5e2b\u7bc4&hellip;<\/p>\n","protected":false},"author":50,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[107,45,43],"tags":[],"class_list":["post-19129","post","type-post","status-publish","format-standard","hentry","category-physics00","category-physics11-02","category-physics11","loop-entry","cat-107","cat-45","cat-43","no-thumbnail"],"views":5725,"_links":{"self":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/19129","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/users\/50"}],"replies":[{"embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/comments?post=19129"}],"version-history":[{"count":1,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/19129\/revisions"}],"predecessor-version":[{"id":89007,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/19129\/revisions\/89007"}],"wp:attachment":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/media?parent=19129"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/categories?post=19129"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/tags?post=19129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}