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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Thermochemical investigations in the systems RE2O3-SeO2. I - Neodymium selenium oxides on the line Nd2O3-SeO2 [German]
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Thermochemical investigations in the systems RE2O3-SeO2. I - Neodymium selenium oxides on the line Nd2O3-SeO2 [German]

机译:RE2O3-SeO2系统中的热化学研究。 I-Nd2O3-SeO2线上的钕氧化硒[德语]

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摘要

The ternary pure phases on the line Nd2O3-SeO2: Nd2SexO3+2x in the thermodynamically equilibrium have been synthesized by solid state reactions and characterized by X-ray powderdiffration, IR-spectroscopy and DSC-measurements. The existence of a new phase Nd2Se1.5O6 was demonstrated beside the known phases Nd2Se4O11, Nd2Se3,5O10, Nd2Se3O9 and Nd2SeO5. The thermical decomposition properties of the compounds have been determined by total pressure measurements and the thermodynamical data of the compounds have been derived from their decomposition function and C-p-values, which were measured too. The phase diagram and the phase barogram have been established using the result of DSC and total pressure measurements. [References: 15]
机译:通过固相反应合成了热力学平衡中的线Nd2O3-SeO2:Nd2SexO3 + 2x上的三元纯相,并通过X射线粉末衍射,IR光谱和DSC测量进行了表征。除了已知相Nd2Se4O11,Nd2Se3、5O10,Nd2Se3O9和Nd2SeO5之外,还证实了新相Nd2Se1.5O6的存在。化合物的热分解性能已通过总压测量确定,并且化合物的热力学数据也来自其分解功能和C-p值,这些数据也已进行了测量。已使用DSC和总压力测量结果建立了相图和相条形图。 [参考:15]

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