DETERMINATION OF THERMODYNAMIC DATA OF LN1.85CE0.15CUO4 AND LN2CUO4 (LN=ND, SM, EU) BY THE EMF METHOD

被引:23
|
作者
IDEMOTO, Y
OYAGI, I
FUEKI, K
机构
[1] Department of Industrial Chemistry, Faculty of Science and Technology, Scinnce and Technology, Noda-shi, Chiba, 278
来源
PHYSICA C | 1992年 / 195卷 / 3-4期
关键词
D O I
10.1016/0921-4534(92)90350-L
中图分类号
O59 [应用物理学];
学科分类号
摘要
The standard enthalpies of formation and standard entropies of Ln1.85Ce0.15CuO4 and Ln2CuO4 (Ln=Nd, Sm and Eu) were determined by the EMF method. It was found that Ln2CuO4 is more stable than CuO and the addition of CeO2 to Ln2CuO4 increases the chemical stability. The standard enthalpies of formation of Ln1.85Ce0.15CuO4 and Ln2CuO4 were calculated and compared with the data determined by calorimetry. Good agreement was found.
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页码:269 / 276
页数:8
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