| 摘要 |
PURPOSE:To enable the production of the titled novel compound useful as a photo-functional material, semiconductor material and catalyst, by using a compound having a chemical formula of (YbFeO3)nFe wherein n is 1/2 and replacing the Yb<3+>, Fe<3+> and Fe<2+> of the compound respectively with Lu<3+>, Ga<3+> and Zn<2+>. CONSTITUTION:The raw materials used in the production of the objective compound are (a) metallic Lu, Lu oxide or a compound decomposable to Lu oxide with heat, (b) metallic Ga, Ga oxide or a compound decomposable to Ga oxide with heat and (c) metallic Zn, ZnO or a compound decomposable to ZnO with heat. The 3 kinds of raw materials are mixed at atomic ratios Lu:Ga:Zn of 1:1:1 and the mixture is heated at >=600 deg.C in air, in an oxidizing atmosphere or in a reducing atmosphere to an extent to prevent the reduction of Lu and Ga from trivalent ion state and of Zn from bivalent ion state.
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