Crystal chemistry of the series LnT2B2C (Ln rare earth, T transition element)

T. Siegrist, R. J. Cava, J. J. Krajewski, W. F. Peck

Research output: Contribution to journalArticlepeer-review

112 Scopus citations


The new LuNi2B2C-type structure has been investigated for different lanthanide atoms and transition metal elements. Single-crystal structure determinations were carried out for some representative compounds, and a linear regression fit was used to infer the positional parameter of the boron atom for the whole rare earth series. In this way, detailed bonding information for all phases in the series was obtained. A geometric model, based on the conservation of bond lengths, explains the behaviour of the lattice parameters for the different size lanthanides.

Original languageEnglish (US)
Pages (from-to)135-139
Number of pages5
JournalJournal of Alloys and Compounds
Issue number1
StatePublished - Dec 1994
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry


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