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INORGANIC COMPOUND AND COMPOSITION AND MOLDED BODY CONTAINING THE SAME, LIGHT-EMITTING DEVICE, AND

2025-06-17 20:441180下载
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PROBLEM TO BE SOLVED : To provide a garnet type compound designed to make a substitution ion such as Pr easily solid-soluble in the matrix compound. SOLUTION : The garnet type compound is expressed by general formula : Al(III)3-2xA2(II)xA3(III)xB(III)2C1(III)3-xC2(IV)xO12, wherein the Roman numeral denotes an ionic valency number; A1 to A3 are elements in A site; B is an element in B site; C1 and C2 are elements in C site; A1, A2, B, C1 and C2 are each at least one kind of element with the ionic valency number; A3 is at least one kind of element selected from the group consisting of trivalent rare earths (La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu); A1 and A3 represent different elements; 0
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