\u53e4\u304f\u304b\u3089\u77e5\u3089\u308c\u3066\u3044\u308b\u7814\u78e8\u306b\u304a\u3051\u308b\u5316\u5b66\u52b9\u679c\u306e\u4f8b\u3068\u3057\u3066\u306f\u3001\u30ac\u30e9\u30b9\u30ec\u30f3\u30ba\u3092\u4f5c\u308b\u6642\u306e\u9178\u5316\u30bb\u30ea\u30a6\u30e0\uff08CeO2, \u30bb\u30ea\u30a2\uff09\u306b\u3088\u308b\u7814\u78e8\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f1933\u5e74\u3053\u308d\u6b27\u5dde\u306e\u30ec\u30f3\u30ba\u30e1\u30fc\u30ab\u30fc\u3067\u4f7f\u308f\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u305d\u3046\u3067\u3059\u3002\u305d\u306e\u5f8c\u7b2c\u4e8c\u6b21\u5927\u6226\u306b\u304a\u3051\u308b\u5149\u5b66\u6a5f\u5668\u306e\u5927\u91cf\u751f\u7523\u30011960\u5e74\u4ee3\u306e\u30c6\u30ec\u30d3\u306e\u30d6\u30e9\u30a6\u30f3\u7ba1\u306e\u7814\u78e8\u7b49\u3067\u4e16\u754c\u4e2d\u306b\u5e83\u307e\u3063\u305f\u3068\u306e\u3053\u3068\u3002\u6b74\u53f2\u7684\u7d4c\u7def\u306f\u4e0b\u8a18\u306b\u8a73\u3057\u3044\u3067\u3059\u304c\u8cfc\u8aad\u3057\u306a\u3044\u3068\u8aad\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002
\nhttps:\/\/doi.org\/10.1016\/0925-8388(94)90243-7
\n\u4e0a\u8a18\u306b\u3088\u308c\u3070\u3001\u305d\u3082\u305d\u3082\u7814\u78e8polishing\u3068\u7814\u524agrinding\u306e\u9055\u3044\u306f\u30ec\u30fc\u30ea\u30fc\u537f(Lord Rayleigh)\u304c1901\u5e74\u306b\u6307\u6458\u3059\u308b\u307e\u3067\u306f\u77e5\u3089\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u3068\u306e\u3053\u3068\u3002\u305d\u306e\u533a\u5225\u306fCMP\u304c\u4f7f\u308f\u308c\u308b\u73fe\u5728\u3067\u306f\u304b\u3048\u3063\u3066\u96e3\u3057\u3044\u3067\u3059\u304c\u3001\u304a\u305d\u3089\u304f\u5316\u5b66\u7d50\u5408\u306e\u5207\u65ad\u304c\u4e3b\u304b\u6a5f\u68b0\u7684\u7834\u58ca\u304c\u4e3b\u304b\u3068\u3044\u3046\u3053\u3068\u3060\u3068\u601d\u3044\u307e\u3059\u3002
\n\u30bb\u30ea\u30a2\u306fCMP\u3067\u3082\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u30bb\u30ea\u30a2\u3092\u542b\u3080CMP\u7528\u30b9\u30e9\u30ea\u306f\u65e5\u672c\u306eAGC\u304c\u30c8\u30c3\u30d7\u30b7\u30a7\u30a2\u3092\u3082\u3063\u3066\u3044\u307e\u3059\u3002\u306a\u305c\u30bb\u30ea\u30a2\u3067\u30ac\u30e9\u30b9\u3092\u78e8\u3051\u308b\u304b\u3001\u306b\u3064\u3044\u3066\u306f\u3088\u304f\u77e5\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u8abf\u3079\u3066\u307f\u305f\u3068\u3053\u308d\u3001\u73fe\u5728\u3082\u7814\u7a76\u5bfe\u8c61\u3067\u3059\u3002\u79c1\u304c\u3084\u3063\u3066\u3044\u308bCMP\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3068\u540c\u3058\u3053\u3068\u30922023\u5e74\u306bAGC\u306e\u4eba\u305f\u3061\u304c\u3084\u3063\u3066\u3044\u3066\u3073\u3063\u304f\u308a\u3057\u307e\u3057\u305f\u3002
\nhttps:\/\/pubs.acs.org\/doi\/10.1021\/acs.langmuir.3c00304
\nSi-O-Ce\u306e\u7d50\u5408\u304c\u3067\u304d\u3066\u304b\u3089SiO4\u30e6\u30cb\u30c3\u30c8\u304c\u6c34\u548c\u3057\u3066\u8131\u843d\u3059\u308b\u3068\u306e\u3053\u3068\u3002\u30bb\u30ea\u30a2\u306e\u7d50\u6676\u9762\u306b\u3088\u3063\u3066\u6319\u52d5\u304c\u9055\u3063\u305f\u308a\u3001\u5727\u529b\u304c\u4f4e\u3044\u3068\u524a\u308c\u306a\u3044\u304c\u9ad8\u3044\u3068\u304b\u3048\u3063\u3066\u8868\u9762\u304c\u7c97\u304f\u306a\u308b\u306a\u3069\u3001\u9762\u767d\u3044\u77e5\u898b\u304c\u5f97\u3089\u308c\u3066\u3044\u307e\u3059\u3002Ce\u306f\u5e0c\u571f\u985e\u3068\u3057\u3066\u306f\u5909\u308f\u3063\u3066\u3044\u3066\u3001+2\u4fa1\uff5e+4\u4fa1\u304c\u5b89\u5b9a\u306b\u5b58\u5728\u3059\u308b\u305f\u3081\u9178\u5316\u9084\u5143\u306e\u89e6\u5a92\u306b\u306a\u308a\u307e\u3059\u3002\u6c34\u4e2d\u306e\u7814\u78e8\u3067\u306f\u6c34\u7d20\u306e\u51fa\u5165\u308a\u304c\u3042\u308b\u306e\u3067Ce\u306e\u4fa1\u6570\u5909\u5316\u304c\u30ac\u30e9\u30b9\u7814\u78e8\u306b\u95a2\u4fc2\u306a\u3044\u3068\u65ad\u8a00\u306f\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u7c21\u5358\u306b\u8a00\u3046\u3068Si-O-Ce-O-Ce—\u306e\u7d50\u5408\u304c\u9069\u5ea6\u306b\u5f37\u3044(\uff1d\u30bb\u30ea\u30a2\u306f\u30b1\u30a4\u7d20\u304c\u597d\u304d\uff09\u306e\u3067\u6a5f\u68b0\u7684\u306a\u529b\u3067Si\u3092\u5f15\u304d\u629c\u3051\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3057\u3087\u3046\u3002<\/p>\n
\u82f1\u8a9e\u306f https:\/\/en.wikipedia.org\/wiki\/Cerium(IV)_oxide<\/p>\n
\u201dIt is an important commercial product and an intermediate in the purification of the element from the ores. The distinctive property of this material is its reversible conversion to a non-stoichiometric oxide.”
\nore \u30aa\u30fc\u30a2\u3000\u9271\u77f3
\nreversible conversion \u53ef\u9006\u7684\u5909\u63db<\/p>\n
“After extraction of the metal ions into aqueous base, Ce is separated from that mixture by addition of an oxidant followed by adjustment of the pH. This step exploits the low solubility of CeO2 and the fact that other rare-earth elements resist oxidation.”
\nextraction \u62bd\u51fa
\naqueous base \u30a2\u30eb\u30ab\u30ea\u6c34\u6eb6\u6db2
\nexploit \u5229\u7528\u3059\u308b\u3001\u643e\u53d6\u3059\u308b
\nresist oxidation \u9178\u5316\u306b\u62b5\u6297\u3059\u308b\uff08Ce\u4ee5\u5916\u306e\u30e9\u30f3\u30bf\u30ce\u30a4\u30c9\u5143\u7d20\u306f4\u4fa1\u306b\u306a\u308a\u306b\u304f\u3044\uff09<\/p>\n
“The principal industrial application of ceria is for polishing, especially chemical-mechanical planarization (CMP). For this purpose, it has displaced many other oxides that were previously used, such as iron oxide and zirconia. For hobbyists, it is also known as “opticians’ rouge”.”
\nprincipal \u7b2c\u4e00\u306e
\nhobbyists \u5de5\u4f5c\u304c\u8da3\u5473\u306e\u4eba
\noptician \u5149\u5b66\u6280\u8853\u8005
\nrouge \u30eb\u30fc\u30b8\u30e5\u3000\u30d5\u30e9\u30f3\u30b9\u8a9e\u3067\u8d64\u3001\u53e3\u7d05\u3001\u982c\u7d05\u3001\u3067\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u7814\u78e8\u5264\u3068\u3057\u3066\u306e\u5f01\u67c4(\u8d64\u8336\u8272\u306eFe2O3, \u30a4\u30f3\u30c9\u306e\u30d9\u30f3\u30ac\u30eb\u5730\u65b9\u304b\u3089\u4f1d\u6765\u3057\u305f\u305f\u3081\u300c\u3079\u3093\u304c\u3089\u300d\u3068\u547c\u3070\u308c\u308b\uff09<\/p>\n
“In its other main application, CeO2 is used to decolorize glass. It functions by converting green-tinted ferrous impurities to nearly colorless ferric oxides.”
\ndecolorize glass \u30ac\u30e9\u30b9\u306e\u8272\u6d88\u3057
\ngreen-tinted \u7dd1\u304c\u304b\u3063\u305f\u8272\u306e
\nferrous oxide FeO
\nferric oxide Fe2O3
\n\u203bFeO\u2192Fe2O3\u304c\u8d77\u3063\u3066\u8272\u304c\u6d88\u3048\u308b\u305d\u3046\u3067\u3059\u3002CeO2\u304c\u9178\u5316\u89e6\u5a92\u306b\u306a\u308b\u306e\u304b\u3001\u9178\u7d20\u3092Fe\u306b\u6e21\u3059\u306e\u304b\u3069\u3061\u3089\u3067\u3057\u3087\u3046\u304b\u3002\u3069\u3063\u3061\u3082\u3042\u308a\u3046\u308b\u3068\u601d\u3044\u307e\u3059\u3002\u8272\u304c\u6d88\u3048\u308b\u96fb\u5b50\u7684\u306a\u6a5f\u69cb\u3082\u9762\u767d\u305d\u3046\u3067\u3059\u3002Fe3+\u306e\u5448\u8272\u306f\u3061\u3087\u3063\u3068\u3084\u3084\u3053\u3057\u3044\u3067\u3059\u3002
\nhttps:\/\/www.jstage.jst.go.jp\/article\/minerj1953\/7\/5\/7_5_445\/_pdf
\nhttps:\/\/detail.chiebukuro.yahoo.co.jp\/qa\/question_detail\/q10299688440\u3000\u3000\u2190\u3000\u300c\u304a\u52a9\u3051\u300d\u3068\u3057\u3066AI(GPT-4, Claude3)\u304c\u56de\u7b54\u3057\u3066\u3044\u307e\u3059\u306d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u53e4\u304f\u304b\u3089\u77e5\u3089\u308c\u3066\u3044\u308b\u7814\u78e8\u306b\u304a\u3051\u308b\u5316\u5b66\u52b9\u679c\u306e\u4f8b\u3068\u3057\u3066\u306f\u3001\u30ac\u30e9\u30b9\u30ec\u30f3\u30ba\u3092\u4f5c\u308b\u6642\u306e\u9178\u5316\u30bb\u30ea\u30a6\u30e0\uff08CeO2, \u30bb\u30ea\u30a2\uff09\u306b\u3088\u308b\u7814\u78e8\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f1933\u5e74\u3053\u308d\u6b27\u5dde\u306e\u30ec\u30f3\u30ba\u30e1\u30fc\u30ab\u30fc\u3067\u4f7f\u308f\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u305d\u3046\u3067\u3059\u3002\u305d\u306e\u5f8c\u7b2c\u4e8c\u6b21\u5927\u6226\u306b\u304a\u3051\u308b\u5149\u5b66\u6a5f\u5668\u306e\u5927\u91cf\u751f\u7523\u30011960\u5e74\u4ee3\u306e\u30c6\u30ec\u30d3\u306e\u30d6\u30e9\u30a6\u30f3\u7ba1\u306e\u7814\u78e8\u7b49\u3067\u4e16\u754c\u4e2d\u306b\u5e83\u307e\u3063\u305f\u3068\u306e\u3053\u3068\u3002\u6b74\u53f2\u7684\u7d4c\u7def\u306f\u4e0b\u8a18\u306b\u8a73\u3057\u3044\u3067\u3059\u304c\u8cfc\u8aad\u3057\u306a\u3044\u3068\u8aad\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002 https:\/\/doi.org\/10.1016\/0925-8388(94)90243-7 \u4e0a\u8a18\u306b\u3088\u308c\u3070\u3001\u305d\u3082\u305d\u3082\u7814\u78e8polishing\u3068\u7814\u524agrinding\u306e\u9055\u3044\u306f\u30ec\u30fc\u30ea\u30fc\u537f(Lord Rayleigh)\u304c1901\u5e74\u306b…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[42,44],"tags":[5,7],"class_list":["post-2199","post","type-post","status-publish","format-standard","hentry","category-tech","category-materials","tag-tech","tag-materials"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/posts\/2199","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2199"}],"version-history":[{"count":0,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/posts\/2199\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}