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Novel lanthanoid - cadmium oxide pnictides with the tetragonal LaOAgS structure

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Author(s)

DO Charkin, PS Berdonosov, VA Dolgikh, Philip Lightfoot

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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.

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

    Research areas

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

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