Thermodynamic analysis of the Cu-Sn-P ternary system

Masashi Hino, Satoshi Iikubo, Hiroshi Ohtani

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

A thermodynamic analysis of the Cu-Sn-P system was performed using the CALPHAD technique. To overcome the lack of experimental information on thermodynamic properties, the formation enthalpies of binary and ternary phosphides were evaluated using a first-principles energetic calculation method; specific heats of these phosphides at constant pressure were also calculated using the quasiharmonic and Debye-Grüneisen approximations. We concluded that the ternary compound Cu 4SnP 10, detected experimentally using X-ray investigation, was unstable; however because of lack of data on its thermodynamic properties, further experimental and thermodynamic investigations on this ternary phosphide are required.

Original languageEnglish
Pages (from-to)387-404
Number of pages18
JournalHigh Temperature Materials and Processes
Volume30
Issue number4
DOIs
Publication statusPublished - 2011 Aug
Externally publishedYes

Keywords

  • CALPHAD
  • Debye-Grüneisen approximation
  • First-principles calculation
  • Phase diagram
  • Phosphides
  • Quasiharmonic approximation
  • Thermodynamic analysis

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Physical and Theoretical Chemistry

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