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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Europium(III) oxide ： ウィキペディア英語版 Europium(III) oxide |Section2= |Section3= |Section7= |Section8= }} Europium(III) oxide (Eu2O3), is a chemical compound of europium and oxygen. It is widely used as a red or blue phosphor in television sets and fluorescent lamps, and as an activator for yttrium-based phosphors. It is also an agent for the manufacture of fluorescent glass. Europium fluorescence is used in the anti-counterfeiting phosphors in Euro banknotes.〔( Europium and the Euro )〕 Europium oxide has two common structures: Monoclinic (mS30, SpaceGroup = C2/m, No. 12) and cubic (cI80, SpaceGroup = Ia-3, No. 206). The cubic structure is similar to that of manganese(III) oxide. It may be formed by ignition of europium metal. It can react with acids to form the corresponding europium(III) salts. ==Gallery== File:Tl2O3structure.jpg|Cubic Eu2O3 File:Gd2O3structure.jpg|Monoclinic Eu2O3 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Europium(III) oxide」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.