Synthesis, Structure, Electric and Magnetic Properties of CaNiN

Abstract

There are only few known ternary nitrides containing both transition and alkaline earth metals. Our recent research in nitrides has focused on the synthesis of ternary phases containing calcium and a transition metal; at least one new ternary compound is found in each Ca-M-N system. As part of this investigation, we report here the synthesis and properties of a new compound, CaNiN. The oxidation state of Ni(I) in CaNiN is quite unusual for a solid state compound. Formally Ni(I) exists in hexagonal Ni3N. But the structure of Ni3N is basically a tripled face-centered cubic nickel framework with interstitial nitrogen in the octahedral holes, and has extensive Ni-Ni bonding. Another similar example is Ni3S2 (6), in which formally Ni(I) and Ni(II) occur, but short Ni-Ni distances comparable with that in metallic nickel are again indicative of metal-metal bonding (7). (jes)

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Document Details

Document Type
Technical Report
Publication Date
Apr 30, 1990
Accession Number
ADA222273

Entities

People

  • Francis J. Disalvo
  • Ming Y. Chern

Organizations

  • Cornell University Department of Chemistry and Chemical Biology

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Alkaline Earth Metals
  • Band Structures
  • Body Weight
  • Chemistry
  • Conductivity
  • Copper
  • Crystal Structure
  • Crystals
  • Diffraction
  • Elements
  • Energy Bands
  • Magnetic Properties
  • Physical Properties
  • Ternary Compounds
  • Transition Metals
  • Transitions
  • X Rays

Readers

  • Materials Science and Engineering.
  • Organic Chemistry
  • Surface Engineering/Surface Coating Technology.