The LaPdIn4indide and elementary properties of the LaTIn4(T = Ni, Pd, Pt) materials family

E. M. Carnicom, W. W. Xie, E. M. Seibel, T. Klimczuk, R. J. Cava

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

The indium-rich intermetallic compound LaPdIn4is reported, prepared by arc-melting and annealing at 600 °C. Single crystal X-ray diffraction found the material to be orthorhombic, space group Cmcm (No. 63), with lattice parameters a = 4.5462(3) Å, b = 16.9208(10) Å, and c = 7.3100(5) Å. This previously unreported indide is isostructural with LaNiIn4and LaPtIn4. It is demonstrated that all three compounds in the LaTIn4(T = Ni, Pd, Pt) family display metallic behavior with resistivity values between 20 and 30 μΩ-cm at 250 K. In addition, temperature and field-dependent magnetization measurements between 2 and 250 K show all to be weak paramagnets or diamagnets, with very small amounts of spin-bearing impurities present. The field-dependent magnetization showed evidence of de Haas-van Alphen quantum oscillations in the Pd and Pt containing compounds near applied fields of 5 T.

Original languageEnglish (US)
Pages (from-to)682-686
Number of pages5
JournalJournal of Alloys and Compounds
Volume694
DOIs
StatePublished - 2017

All Science Journal Classification (ASJC) codes

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

Keywords

  • Crystal structure
  • Indium-rich intermetallics
  • Lanthanum
  • Magnetization
  • Quantum oscillations
  • Resistivity

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