The Al-Co-Pd R-Phase Identity

Benjamin Grushko, Louisa Meshi

Research output: Contribution to journalArticlepeer-review


The rhombohedral Al-Co-Pd R-phase (Al73Co13.5Pd13.5, R3 ¯ , a = 2.91019 nm, c = 1.31854 nm) reported by Simura et al. (Mater Trans JIM 54:1385, 2013) was identified with the Al-Co-Pd U-phase, previously reported by Yurechko et al. (J Alloy Compd 337:172, 2002) as exhibiting a C-centered monoclinic structure. Following a crystallographic group-subgroup analysis, the relationship of the two structural descriptions was proposed, pointing to a possible rhombohedral pseudo-symmetry of the monoclinic U-phase.

Original languageAmerican English
Pages (from-to)529-532
Number of pages4
JournalJournal of Phase Equilibria and Diffusion
Issue number5
StatePublished - 1 Oct 2022


  • Al-Co-Pd
  • crystal structure
  • phase diagrams

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Metals and Alloys
  • Materials Chemistry


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