Novel lanthanoid - cadmium oxide pnictides with the tetragonal LaOAgS structure

DO Charkin, PS Berdonosov, VA Dolgikh, Philip Lightfoot

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

Five new equiatomic lanthanoid-cadmium oxide pnictides LnOCdPn (Ln = rare-earth, Pn = pnictogen) have been prepared. All of them crystallize in the tetragonal LaOAgS structure type. The phosphide series is represented by La compound only; arsenides were found for Ln = La-Nd. The structure of CeOCdAs (P4/nmm, a = 4.1852(1)Angstrom, c = 9.1595(3)Angstrom, R-p = 0.054, R-wp = 0.071) has been solved from X-ray powder data. Similarities between structures of CeOCdAs, isoelectronic CeOZnSb, and related LaOCd0.5Se are discussed. (C) 1999 Published by Elsevier Science S.A. All rights reserved.

Original languageEnglish
Pages (from-to)118
Number of pages118
JournalJournal of Alloys and Compounds
Volume292
Publication statusPublished - 15 Nov 1999

Keywords

  • rare-earth-cadmium oxide pnictides
  • synthesis
  • crystal structure
  • ZRCUSIAS-TYPE-STRUCTURE
  • CRYSTAL-STRUCTURE
  • LA-ND
  • GD
  • SM
  • URANIUM
  • ZINC
  • DY

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