Characterization of trace Nd and Ce site preference and coordination in natural melanites: a combined X-ray diffraction and high-energy XAFS study

@article{Quartieri2002CharacterizationOT,
  title={Characterization of trace Nd and Ce site preference and coordination in natural melanites: a combined X-ray diffraction and high-energy XAFS study},
  author={Simona Quartieri and Federico Boscherini and Jesus Chaboy and Maria Chiara Dalconi and Roberta Oberti and Aberto Zanetti},
  journal={Physics and Chemistry of Minerals},
  year={2002},
  volume={29},
  pages={495-502}
}
Abstract Natural melanite garnets from carbonatitic rocks have been studied by a multitechnique approach based on both experimental (chemical, diffractometric and spectroscopic) methods and full-multiple scattering calculations of the X-ray absorption near-edge structure. In particular, the site location and geometry of trace amounts of neodimium (from 176 to 1074 ppm) and cerium (791 ppm) in natural garnets have been studied by fluorescence-detected X-ray absorption fine-structure spectroscopy… CONTINUE READING