Ga2O3-SnO2-ZnO 系统的汽化热力学

IF 1.5 4区材料科学 Q4 CHEMISTRY, PHYSICAL Journal of Phase Equilibria and Diffusion Pub Date : 2024-09-09 DOI:10.1007/s11669-024-01145-4

Nadezhda A. Gribchenkova, Andrey S. Smirnov

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引用次数: 0

摘要

在 1305-1495 K 的温度范围内，通过克努森流出质谱（KEMS）对 Ga2O3-SnO2-ZnO (GSZO) 体系进行了研究。确定了体系中异质平衡的主要热力学特征，以及涉及 Zn2SnO4 和 ZnGa2O4 尖晶石的反应的标准焓。沿着 GaO1.5 和 SnO2 的等摩尔比线绘制了 GSZO 体系相图的 px 垂直剖面图。

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Vaporization Thermodynamics of the Ga2O3-SnO2-ZnO System

The Ga₂O₃-SnO₂-ZnO (GSZO) system has been studied by Knudsen effusion mass spectrometry (KEMS) in the temperature range 1305-1495 K. The incongruent character of vaporization processes in the whole composition range of the GSZO system was observed. The main thermodynamic characteristics of heterogeneous equilibria in the system have been determined, as well as the standard enthalpies of reactions involving Zn₂SnO₄ and ZnGa₂O₄ spinels. A p–x vertical section of the phase diagram of the GSZO system has been plotted along the GaO_1.5 and SnO₂ equimolar ratio line.

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来源期刊

Journal of Phase Equilibria and Diffusion 工程技术-材料科学：综合

CiteScore

2.50

自引率

7.10%

发文量

审稿时长

1 months

期刊介绍： The most trusted journal for phase equilibria and thermodynamic research, ASM International''s Journal of Phase Equilibria and Diffusion features critical phase diagram evaluations on scientifically and industrially important alloy systems, authored by international experts. The Journal of Phase Equilibria and Diffusion is critically reviewed and contains basic and applied research results, a survey of current literature and other pertinent articles. The journal covers the significance of diagrams as well as new research techniques, equipment, data evaluation, nomenclature, presentation and other aspects of phase diagram preparation and use. Content includes information on phenomena such as kinetic control of equilibrium, coherency effects, impurity effects, and thermodynamic and crystallographic characteristics. The journal updates systems previously published in the Bulletin of Alloy Phase Diagrams as new data are discovered.