Synthesis and Characterization of New Quaternary BorocarbidesRRh2B2C (R=Rare Earth)

Jinhua Ye, Toetsu Shishido, Takahiko Sasaki, Toshitsugu Takahashi, Kazuo Obara, Ryunosuke Note, Takehiko Matsumoto, Tsuguo Fukuda

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8 Citations (Scopus)


Arc-melting syntheses ofRRh2B2C were carried out for all lanthanide elements except promethium. X ray diffraction revealed that new compounds exist forR=Y, La-Er (except Eu), and the stability ofRRh2B2C decreases for the smaller lanthanide. The tetragonala-axis ofRRh2B2C was found to contract asRgoes from La to Er. Thec-axis, however, expands slightly. In accordance with the lattice parameter change, interatomic distances between Rh atoms decrease significantly from 2.7623 Å in LaRh2B2C to 2.6552 Å in ErRh2B2C. The reduced stability of theRRh2B2C phase for the smaller rare earth is explained by the change in the crystallographic parameters with the size ofR.

Original languageEnglish
Pages (from-to)77-81
Number of pages5
JournalJournal of Solid State Chemistry
Issue number1
Publication statusPublished - 1997 Oct 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry


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