Mihael Drofenik (Author), Irena Ban (Author), Darko Makovec (Author), Darko Hanžel (Author), Amalija Golobič (Author), Ljubo Golič (Author)

Abstract

The ▫$Li_1.746Nd_4.494FeO_9.493$▫ (LNF) ternary phase, located in the ▫$Li_2O$▫-rich part of the ▫$Li_2O-Nd_2O_3-Fe_2O_3$▫ system, crystallizes with a cubic unit cell of dimension and the space group Im3m. Refinement on F resulted in R=1.9%. The structure is comprised of a network of corners, edges and faces sharing the coordination polyhedra of neodymium. In between this skeleton the regular octahedra of oxygen-coordinated iron and trigonal prisms of lithium are located. The Mössbauer spectra revealed the presence of ▫$Fe^3+$▫, ▫$Fe^4+$▫ and ▫$Fe^5+$▫ ions distributed on two symmetry-independent lattice positions.

Keywords

crystal structure;ternary compounds;single-crystal X-ray diffraction;Mössbauer spectroscopy;iron oxidation state;kristalna struktura;ternarne spojine;rentgenska difrakcija;Mössbauerjeva spektroskopija;rentgenska strukturna analiza;

Data

Language: English
Year of publishing:
Typology: 1.01 - Original Scientific Article
Organization: UM FKKT - Faculty of Chemistry and Chemical Engineering
UDC: 548.73
COBISS: 10850838 Link will open in a new window
ISSN: 0022-4596
Views: 1870
Downloads: 40
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Other data

Secondary language: English
URN: URN:SI:UM:
Pages: str. 1-6
Volume: ǂVol. ǂ180
Chronology: 2007
ID: 8718628