Synthesis, structure, and electronic and physical properties of the two SrZrS3 modifications

Chi-Shen Lee, Katja M. Kleinke, Holger Kleinke*

*Corresponding author for this work

研究成果: Article同行評審

39 引文 斯高帕斯(Scopus)

摘要

We uncovered a new modification of SrZrS3 at low temperature, which forms the NH4CdCl3 type. The earlier reported type (GdFeO3) is the high temperature modification. The structures of both SrZrS3 modifications were determined by single crystal X-ray diffraction. Both crystallize in the orthorhombic crystal system, space group Pnma. The cell dimensions for α-SrZrS3 (NH4CdCl 3 type) are: a=8.5254(7) Å, b=3.8255(3) Å, c=13.9246(12) Å, V=454.14(6) Å3 (Z=4), and for β-SrZrS3 (GdFeO3 type): a=7.1080(5) Å, b=9.7715(7) Å, c=6.7406(5) Å, V=468.17(6) Å3 (Z=4). The α form consists of building blocks of one-dimensional chains with edge-sharing ZrS6 octahedra and intervening alkaline earth cations (Sr). The β form is comprised of a three-dimensional network of corner-sharing ZrS6 octahedra, and the structure can be viewed as a distorted perovskite.

原文English
頁(從 - 到)1049-1054
頁數6
期刊Solid State Sciences
7
發行號9
DOIs
出版狀態Published - 1 九月 2005

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