Thermodynamics of formation of binary and ternary nitrides in the system Ce/Mn/N

Franck Tessier, Mandar R. Ranade, Alexandra Navrotsky, Rainer Niewa, Francis J. DiSalvo, Andreas Leineweber, Herbert Jacobs

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Drop solution calorimetry in high-temperature oxide melts has been shown to be very useful to study the energetics of nitride formation. This methodology was used to determine the enthalpies of formation from the elements of binary and ternary nitrides in the Ce/Mn/N system. The resulting values in kJ mol-1 are; ΔHfo (CeN) = -340.19 ± 6.80, Δ(Hfo (Mn3N1.95, η-Mn3N2 type) = -192.68 ± 7.57, ΔHfo (Mn6N5.40, 0-Mn6N5 type) = -430.80 ± 10.93 and ΔHfo (Ce2MnN3) = -928.18±9.46. The results show the role of inductive effects in Ce2MnN3 leading to a higher energetic stability compared to binary components.

Original languageEnglish (US)
Pages (from-to)194-200
Number of pages7
JournalZeitschrift fur Anorganische und Allgemeine Chemie
Volume627
Issue number2
DOIs
StatePublished - 2001
Externally publishedYes

Keywords

  • Ce/Mn/N system
  • Cerium nitride
  • Drop solution calorimetry
  • Enthalpy of formation
  • Manganese nitride
  • Ternary Nitrides

ASJC Scopus subject areas

  • Inorganic Chemistry

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