Synthesis and Structure of Two New Layered Ternary Nitrides, SrZrN2 and SrHfN2

D. H. Gregory, M. G. Barker, P. P. Edwards, D. J. Siddons

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

The new ternary nitrides SrZrN2 and SrHfN2 have been synthesized by the solid state reactions of Sr2N with ZrN and HfN and characterized by powder X-ray diffraction. Both nitrides form structures in the hexagonal space group A3̄m (SrZrN2, a = 3.37302(5) Å, c = 17.6756(3) Å, Z = 3; SrHfN2, a = 3.34481(3) Å, c= 17.6779(2) Å, Z = 3) and are isostructural with α-NaFeO2. The structures are constructed of alternating layers of strontium-nitrogen edge-sharing octahedra and either zirconium-nitrogen or hafnium-nitrogen edge-sharing octahedra stacked along the c axis. Alternatively, Sr2+ can be regarded as occupying octahedral holes between Zr(Hf)N2 octahedral layers. The title nitrides are essentially diamagnetic at room temperature, consistent with the chemical composition. These compounds are the first alkaline earth ternary nitrides observed to have the α-NaFeO2 layered structure. 1 The University of Nottingham 2 The University of Birmingham.

Original languageEnglish
Pages (from-to)7608-7613
Number of pages6
JournalInorganic chemistry
Volume35
Issue number26
Publication statusPublished - Dec 1 1996
Externally publishedYes

Fingerprint

Nitrides
nitrides
Nitrogen
synthesis
nitrogen
Hafnium
Strontium
hafnium
Solid state reactions
strontium
X ray powder diffraction
chemical composition
Earth (planet)
solid state
room temperature
Chemical analysis
diffraction
x rays
Temperature

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

Cite this

Gregory, D. H., Barker, M. G., Edwards, P. P., & Siddons, D. J. (1996). Synthesis and Structure of Two New Layered Ternary Nitrides, SrZrN2 and SrHfN2. Inorganic chemistry, 35(26), 7608-7613.

Synthesis and Structure of Two New Layered Ternary Nitrides, SrZrN2 and SrHfN2. / Gregory, D. H.; Barker, M. G.; Edwards, P. P.; Siddons, D. J.

In: Inorganic chemistry, Vol. 35, No. 26, 01.12.1996, p. 7608-7613.

Research output: Contribution to journalArticle

Gregory, DH, Barker, MG, Edwards, PP & Siddons, DJ 1996, 'Synthesis and Structure of Two New Layered Ternary Nitrides, SrZrN2 and SrHfN2', Inorganic chemistry, vol. 35, no. 26, pp. 7608-7613.
Gregory, D. H. ; Barker, M. G. ; Edwards, P. P. ; Siddons, D. J. / Synthesis and Structure of Two New Layered Ternary Nitrides, SrZrN2 and SrHfN2. In: Inorganic chemistry. 1996 ; Vol. 35, No. 26. pp. 7608-7613.
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