Synthesis, crystal structure and physical properties of [Li0.85Fe0.15OH][FeS]

Xian Zhang; Xiaofang Lai; Na Yi; Jianqiao He; Haijie Chen; Hui Zhang; Jianhua Lin; Fuqiang Huang

doi:10.1039/C5RA04037J

Synthesis, crystal structure and physical properties of [Li_0.85Fe_0.15OH][FeS]†

Xian Zhang,^a Xiaofang Lai,^a Na Yi,^b Jianqiao He,^b Haijie Chen,^b Hui Zhang,^b Jianhua Lin*^a and Fuqiang Huang*^ab

* Corresponding authors

^a Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
E-mail: jhlin@pku.edu.cn, huangfq@pku.edu.cn

^b CAS Key Laboratory of Materials for Energy Conversion, State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China

Abstract

The layered mixed anion compound with the formula [Li_0.85Fe_0.15OH][FeS] was synthesized via a facile hydrothermal method. [Li_0.85Fe_0.15OH][FeS], which is determined by single crystal X-ray diffraction and refined by the SHELXTL program, crystallizes in the tetragonal space group of P4/nmm (a = b = 3.6886(3) Å, c = 8.915(1) Å, V = 121.29(2) Å³, Z = 2). The structure features alternatively packed anti-PbO-like [Li_0.85Fe_0.15OH] and anti-PbO [FeS] layers. The sample was characterized by Field Emission Scanning Electron Microscopy (FESEM) and High-Resolution Transmission Electron Microscopy (HRTEM). Powder X-ray diffraction results confirm the phase purity of the as-synthesized crystals. Temperature-dependent measurements of magnetic susceptibility reveal the presence of a paramagnetic-to-ferromagnetic phase transition around 50 K, accompanied by the metal-to-semiconductor phase transition in the temperature-dependent resistance of the [Li_0.85Fe_0.15OH][FeS] single crystal.

Supplementary files

Article information

DOI: https://doi.org/10.1039/C5RA04037J
Article type: Paper
Submitted: 06 Mar 2015
Accepted: 21 Apr 2015
First published: 21 Apr 2015

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RSC Adv., 2015,5, 38248-38253

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Synthesis, crystal structure and physical properties of [Li_0.85Fe_0.15OH][FeS]

X. Zhang, X. Lai, N. Yi, J. He, H. Chen, H. Zhang, J. Lin and F. Huang, RSC Adv., 2015, 5, 38248 DOI: 10.1039/C5RA04037J

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