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Optical absorption spectra and electron diffraction patterns of rare-earth oxycarbonates

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Abstract

The 4.2 K optical absorption spectra of Ia-(NdO)2CO3 and II-(NdO)2CO3 are reported. Type Ia exhibits, apparently, a single site for neodymium, and type II, at least two sites. Electron-diffraction patterns obtained from flakes suggest a large orthorhombic unit cell for type Ia and confirm the hexagonal symmetry of the unit cell of type II.

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Authors and Affiliations

  1. Laboratoire des Eléments de Transition dans les Solides, C.N.R.S. ER 210, France

    H. Dexpert, E. Antic-Fidancev, D. R. Svoronos & P. Caro

  2. Laboratoires de Bellevue, 1 Place Aristide Briand, 92190, Meudon-Bellevue, France

    H. Dexpert, E. Antic-Fidancev, D. R. Svoronos & P. Caro

Authors
  1. H. Dexpert
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  2. E. Antic-Fidancev
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  3. D. R. Svoronos
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  4. P. Caro
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Dexpert, H., Antic-Fidancev, E., Svoronos, D.R. et al. Optical absorption spectra and electron diffraction patterns of rare-earth oxycarbonates. Journal of Crystallographic and Spectroscopic Research 12, 143–155 (1982). https://doi.org/10.1007/BF01161011

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  • DOI: https://doi.org/10.1007/BF01161011

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