期刊
POLYHEDRON
卷 160, 期 -, 页码 157-162出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2018.12.038
关键词
Single-source precursors; Metal tellurides; Antiferromagnetic; Imidodiphosphinate ligands; X-ray photoelectron spectroscopy
资金
- School of Chemistry, the University of Manchester
The tellurium complexes M[N(PPh2Te)(2)](n) (M = Fe (1), Ni (2), Pd (3), Pt (4) and n = 2 or 3) have been prepared using the ditellurido anions [N(PPh2Te)(2)](-) and their ability to generate tellurides was investigated by pyrolysis in a quartz glass tube, under vacuum at 500 degrees C for 90 min. The products were characterised by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), energy dispersive analysis of X-rays (EDAX) and X-ray photoelectron spectroscopy (XPS). The XRD revealed an orthorhombic phase for the metal telluride from 1, while the hexagonal phase was observed for tellurides from 2, 3 and 4 respectively. Magnetic measurements on FeTe2 (from 1) indicated an antiferromagnetic sample with a transition temperature at 75 K. (C) 2018 Elsevier Ltd. All rights reserved.
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