THERMODYNAMIC STUDY ON THE Y-BA-CU-O SYSTEM BY THE EMF METHOD

被引：18

作者：

IDEMOTO, Y

OHYAGI, I

FUEKI, K

机构：

[1] Department of Industrial Chemistry, Faculty of Science and Technology, Science University of Tokyo, Noda-shi, Chiba, 278

来源：

PHYSICA C | 1992年 / 199卷 / 1-2期

关键词：

D O I：

10.1016/0921-4534(92)90561-P

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A solid state concentration cell consisting of a test electrode in which member oxides in the Y-Ba-Cu-O system are contained with a NiO-Ni reference electrode, was constructed and the EMF was measured. From the EMF the free energy change of the reaction generating EMF and the enthalpy and entropy changes were calculated. The standard enthalpies of formation and standard entropies of the member oxides were also calculated and the standard enthalpies of formation were compared with those determined by calorimetry. Good agreement was found.

引用

页码：207 / 216

页数：10

共 23 条

[1] HEAT-CAPACITY AND RELATED THERMODYNAMIC FUNCTIONS OF BA2YCU3O7-Y [J].

ATAKE, T ;

HONDA, A ;

KAWAJI, H .

PHYSICA C, 1991, 190 (1-2) :70-72

[2] THERMODYNAMIC STABILITY OF Y2BAO4 BY CAF2-BASED EMF-MEASUREMENTS [J].

AZAD, AM ;

SREEDHARAN, OM .

JOURNAL OF MATERIALS SCIENCE LETTERS, 1989, 8 (01) :67-68

[3] THE OXYGEN POTENTIALS IN THE Y2O3-BAO-CUOX SYSTEM [J].

BOROWIEC, K ;

KOLBRECKA, K .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS, 1989, 28 (11) :L1963-L1966

[4]

ELLIOTT JF, 1960, THERMOCHEMISTYR STEE, V1

[5]

FILLIPCZUK SW, 1990, PHYSICA C, V170, P457

[6] STANDARD ENTHALPIES OF FORMATION OF MEMBER OXIDES IN THE Y-BA-CU-O SYSTEM [J].

IDEMOTO, Y ;

TAKAHASHI, J ;

FUEKI, K .

PHYSICA C, 1992, 194 (1-2) :177-186

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

IDEMOTO, Y ;

OYAGI, I ;

FUEKI, K .

PHYSICA C, 1992, 195 (3-4) :269-276

[8]

IDEMOTO Y, UNPUB PHYSICA C

[9] Gibbs Energies of Formation of CuYO2 and Cu2Y2O5 and Phase Relations in the System Cu-Y-O [J].

Kale, G. M. ;

Jacob, K. T. .

CHEMISTRY OF MATERIALS, 1989, 1 (05) :515-519

[10]

KUBASESCHEWSKII O, 1956, METALLURGICAL THERMO, V1

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