Ln3Cu4P4O2: A new lanthanide transition metal pnictide oxide structure type

R. J. Cava, H. W. Zandbergen, J. J. Krajewski, T. Siegrist, H. Y. Hwang, A. P. Ramirez, B. Batlogg

Research output: Contribution to journalConference article

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Abstract

A new type of lanthanide transition metal pnictide-oxide, Ln3Cu4P4O2 (for Ln = La, Ce, and Nd), is reported. The crystal structure is made from Ln2O2 layers of the Pb2O2 type stacked with layers of Cu2P2 tetrahedra. The existence of a homologous series of compounds with similar chemistry connecting the BiCuOSe and ThCr2Si2 structure types is indicated. The resistivity of La3Cu4P4O2 is metallic, with no superconductivity observed above 2 K. The Ce and Nd compounds have magnetic susceptibilities characteristic of the trivalent Lanthanides. The Ce compound orders magnetically at approximately 0.8 K.

Original languageEnglish (US)
Pages (from-to)305-310
Number of pages6
JournalMaterials Research Society Symposium - Proceedings
Volume453
StatePublished - Jan 1 1997
EventProceedings of the 1996 MRS Fall Symposium - Boston, MA, USA
Duration: Dec 2 1996Dec 5 1996

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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    Cava, R. J., Zandbergen, H. W., Krajewski, J. J., Siegrist, T., Hwang, H. Y., Ramirez, A. P., & Batlogg, B. (1997). Ln3Cu4P4O2: A new lanthanide transition metal pnictide oxide structure type. Materials Research Society Symposium - Proceedings, 453, 305-310.