BaO-Sc2O3-CuO-MoO3体系中类钙钛矿固溶体的研究

IF 1.5 3区化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR

Russian Journal of Inorganic Chemistry Pub Date : 2025-06-30 DOI:10.1134/S0036023624603775

M. N. Smirnova, G. D. Nipan, G. E. Nikiforova, G. A. Buzanov, D. F. Kondakov, A. A. Arkhipenko

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引用次数: 0

摘要

在准四元体系BaO-Sc2O3-CuO-MoO3中，通过改变化学成分、温度和退火气氛，研究了获得具有钙钛矿结构相的可能性。采用凝胶燃烧法，在900℃氩气气氛中退火，得到了具有四方结构的钙钛矿状固溶体Ba4Sc2CuMoO11。DTA-TG分析发现Ba4Sc2CuMoO11在810 ~ 820℃和960 ~ 975℃发生了低焓固相转变。

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Perovskite-Like Solid Solution in BaO–Sc2O3–CuO–MoO3 System

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Perovskite-Like Solid Solution in BaO–Sc2O3–CuO–MoO3 System

In the quasi-quaternary system BaO–Sc₂O₃–CuO–MoO₃, the possibility of obtaining phases with perovskite structure was investigated by varying the chemical composition, temperature, and annealing atmosphere. A perovskite-like solid solution Ba₄Sc₂CuMoO₁₁ with tetragonal structure was obtained by the gel combustion method followed by annealing in argon atmosphere at 900°C. Low-enthalpy solid-phase transformations of Ba₄Sc₂CuMoO₁₁ at 810–820 and 960–975°C were found by DTA-TG.

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来源期刊

Russian Journal of Inorganic Chemistry 化学-无机化学与核化学

CiteScore

3.10

自引率

38.10%

发文量

237

审稿时长

3 months

期刊介绍： Russian Journal of Inorganic Chemistry is a monthly periodical that covers the following topics of research: the synthesis and properties of inorganic compounds, coordination compounds, physicochemical analysis of inorganic systems, theoretical inorganic chemistry, physical methods of investigation, chemistry of solutions, inorganic materials, and nanomaterials.