Development of high-temperature oxide melt solution calorimetry for p-block element containing materials

Mykola Abramchuk, Kristina Lilova, Tamilarasan Subramani, Ray Yoo, Alexandra Navrotsky

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Understanding the thermodynamic stability of materials plays an essential role in their applications. The high-temperature oxide melt solution calorimetry is a reliable method developed to experimentally measure formation enthalpy. Until now, it has been mostly used for the characterization of oxide materials. We introduce modifications in the experimental technique which makes it suitable for a wide range of non-oxide compounds. The modified methodology was used to measure the heat effects associated with the oxidative dissolution of almost all p-elements of groups III, IV, V, and VI and verified by calculating the standard enthalpies of formation of the corresponding oxides at 298 K. The results presented serve as a compelling database for pure p-elements, which will provide a very straightforward way of calculating the formation enthalpies of non-oxide systems based on high-temperature calorimetric experiments.

Original languageEnglish (US)
Pages (from-to)2239-2246
Number of pages8
JournalJournal of Materials Research
Volume35
Issue number16
DOIs
StatePublished - Aug 28 2020

Keywords

  • calorimetry
  • elemental
  • thermodynamics

ASJC Scopus subject areas

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

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