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一、引言 近年来,稀土复合氧化物已成为材料科学、物理学和化学领域中比较重要的研究对象之一。我们也曾对RFeO_3型化合物的热敏性质进行了研究。Porotnikov报道了RScO_3的合成及电导和荧光性质。关于LaRO_3型化合物的研究只有合成、晶体结构、
I. INTRODUCTION In recent years, rare earth composite oxides have become one of the more important research subjects in the field of material science, physics and chemistry. We have also studied the thermal properties of RFeO 3 compounds. Porotnikov reported the synthesis and conductivity and fluorescence properties of RScO_3. About LaRO_3 type compound research only synthesis, crystal structure,