Synchrotron-radiation X-ray powder diffraction study of α- and β-Zn4Sb3 compounds

被引：10

作者：

Souma, T ^{[1
]}

Nakamoto, G ^{[1
]}

Kurisu, M ^{[1
]}

Kato, K ^{[1
]}

Takata, M ^{[1
]}

机构：

[1] Japan Sci & Technol Corp, Fukuoka 8140001, Japan

来源：

TWENTY-SECOND INTERNATIONAL CONFERENCE ON THERMOELECTRICS, PROCEEDINGS ICT '03 | 2003年

关键词：

D O I：

10.1109/ICT.2003.1287504

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The crystal structures of the alpha- and beta-Zn4Sb3 have been investigated by the synchrotron-radiation X-ray powder diffraction at temperatures of 180 to 295 K. The Rietveld analysis indicates that the alpha-Zn4Sb3 possesses a rhombohedral structure with R-3c as the beta-Zn4Sb3 does. The beta- to alpha-phase structural transition is of 2nd order and accompanies the reduction in the c/a and increase in volume (Deltaa/a>0 and Deltac/c<0). The atomic displacement parameters and bond distance are calculated.

引用

页码：282 / 285

页数：4

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