Rb2Cu3CeTe5: A quaternary semiconducting compound with a two-dimensional polytelluride framework

Rhonda Patschke, Paul Brazis, Carl R. Kannewurf, Mercouri Kanatzidis

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Abstract

Rb2Cu3CeTe5 has been synthesized from the reaction of Cu and Ce in a molten alkali metal/polytelluride flux. The compound crystallizes in the monoclinic space group, C2/m (no. 12) with a=18.6884(1) Å, b=6.2384(2) Å, c= 12.5264(3) Å, β=112.795(1)°, V=1346.34(5) Å3, and Z= 4. Rb2Cu3CeTe5 is two-dimensional with 1/∞ [Cu3CeTe5]2- layers built from one-dimensional 1/∞ [Cu2CeTe5]3- chains that are 'stitched' together by distorted tetrahedral Cu atoms; the compound is paramagnetic and a narrow-gap p-type semiconductor.

Original languageEnglish
Pages (from-to)2587-2589
Number of pages3
JournalJournal of Materials Chemistry
Volume8
Issue number12
DOIs
Publication statusPublished - Dec 1998

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ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Chemistry

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