Preparation, Properties, and Phase Relations of Ru_3Sn_(15)O_(14)

T. Sonhel; W. Reichelt; K. Teske; F. E. Wagner

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Preparation, Properties, and Phase Relations of Ru_3Sn_(15)O_(14)

机译：Ru_3Sn_（15）O_（14）的制备，性质和相关系

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Coexistence relations in the system Ru/Sn/O have been investigated by X-ray measurements of powder mixtures annealed in the region of 1173-1273 K. Thermodynamic data of Ru_2Sn_3, Ru_3Sn_7, and Ru_3Sn_(15)O_(14) were obtained by EMF measurements. Phase diagrams calculated with these data are in good agreement with experimental results. Only one phase, Ru_3Sn_(15)O_(14) in the ternary system between 937 and 1273 K. Red translucend single crystals were obtained from a tin melt. Polycrystalline powder was prepared by solid state reaction of a mixture of Ru_3Sn_7, SnO_2, and Sn with molar ratio 1:7:1 at 1173 K. Ru_3Sn_(15)O_(14) is a p-type semiconductor, E_A = 0.50(5) eV, as conductivity and thermopower measurements show. Mossbauer investigations confirm the existence of three different tin surroundings.

机译：通过X射线测量在1173-1273 K范围内退火的粉末混合物，研究了系统Ru / Sn / O中的共存关系.Ru_2Sn_3，Ru_3Sn_7和Ru_3Sn_（15）O_（14）的热力学数据通过EMF测量。用这些数据计算出的相图与实验结果非常吻合。在937和1273 K之间的三元体系中只有一个相Ru_3Sn_（15）O_（14）。从锡熔液中获得红色的半透明单晶。通过在1173 K下通过摩尔比为1：7：1的Ru_3Sn_7，SnO_2和Sn的混合物进行固态反应制备多晶粉末.Ru_3Sn_（15）O_（14）是p型半导体，E_A = 0.50（5 ）eV，如电导率和热功率测量结果所示。 Mossbauer的调查证实存在三种不同的锡环境。

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《Zeitschrift fur Anorganische und Allgemeine Chemie》 |1999年第2期|共8页
作者
T. Sonhel; W. Reichelt; K. Teske; F. E. Wagner;
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中图分类化学;
关键词
ruthenium; tin; phase investigation; phase diagram; mossbauer spectroscopy; thermodynamics;

机译：钌;锡;相研究;相图;mossbauer光谱;热力学;

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Preparation, Properties, and Phase Relations of Ru_3Sn_(15)O_(14)

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