A series of substituted compounds, based on the layered parent phase CrWN2, have been synthesized using a complexed precursor synthesis route. As determined by powder x-ray diffraction data, Rietveld analysis, and crystal structural modeling, the layer in which the substituted cation sits depends on its size and charge. In some cases, cation substitution does not occur directly, but instead causes a step-wise displacement of cations within the parent structure. The magnetic properties of these compounds display trends with composition that appear to confirm the results from the crystal structure analyses. The methodology for compound synthesis and the results from the structure and property characterization studies will be discussed.
Revised: October 25, 2007 |
Published: September 1, 2003
Citation
Weil K.S., P. Kumta, and J. Grins. 2003.Exploration of Cation Substitution in the Layered Compound CrWN2. In Solid-State Chemistry of Inorganic Materials IV, Materials Research Society Symposium Proceedings, edited by Alario-Franco, M. A., 755, 283-290. Warrendale, Pennsylvania:Materials Research Society.PNNL-SA-37661.