High temperature heat content measurements of the III-V (III: Al, Ga, In V: N, P, As, Sb) compounds

Katsunori Yamaguchi, Kimio Itagaki, Akira Yazawa

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

High-temperature heat contensts of III-V compounds (III: Al, Ga, In V: N, P, As, Sb) were measured over the temperature range 650 to 1550 K using a drop-calorimeter. The heats of fusion of InP, GaAs, InAs, AlSb, GaSb and InSb were determined. The heat content and the heat capacity equations were derived by the use of the Shomate function for the solid compounds and least-squares method for the liquid phases. Based on the third law method, Gibbs energy equations of formation were determined from the obtained heat capacity data and are tabulated per compound and per stable phase. The heats of fusion and the melting points of the compounds increase with increasing cohesive energy per bond while the entropies of fusion of the compounds increase with decreasing hybrid polarity.

Original languageEnglish
Pages (from-to)764-770
Number of pages7
JournalNippon Kinzoku Gakkai-si
Volume53
Issue number8
Publication statusPublished - 1989 Aug
Externally publishedYes

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heat of fusion
fusion (melting)
Enthalpy
drop calorimeters
Fusion reactions
enthalpy
specific heat
Specific heat
least squares method
melting points
polarity
liquid phases
fusion
Gibbs free energy
entropy
Calorimeters
heat
Temperature
Melting point
energy

ASJC Scopus subject areas

  • Engineering(all)

Cite this

High temperature heat content measurements of the III-V (III : Al, Ga, In V: N, P, As, Sb) compounds. / Yamaguchi, Katsunori; Itagaki, Kimio; Yazawa, Akira.

In: Nippon Kinzoku Gakkai-si, Vol. 53, No. 8, 08.1989, p. 764-770.

Research output: Contribution to journalArticle

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