Skip to main content

NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.

Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.

U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Thermodynamic Assessment of the Gallium - Nitrogen System

Published

Author(s)

Albert Davydov, William J. Boettinger, Ursula R. Kattner, T J. Anderson

Abstract

Thermochemical and phase diagram data for the Ga-N system were assessed by employing the CALPHAD method. A consistent model representation of available thermodynamic properties agrees well with the critically evaluated experimental data. Thermodynamic extrapolation/interpolation of these data was applied to estimate the sublimation and melting characteristics of the GaN compound: at atmospheric pressure of nitrogen, gallium nitride sublimates incongruently by decomposing into nitrogen-rich gas and gallium-rich liquid, but can melt congruently at high nitrogen pressure (~4.9 GPa).
Citation
Physica Status Solidi A-Applications and Materials Science
Volume
188
Issue
No. 1

Keywords

assessment Ga-N, phase diagram, semiconductors

Citation

Davydov, A. , Boettinger, W. , Kattner, U. and Anderson, T. (2001), Thermodynamic Assessment of the Gallium - Nitrogen System, Physica Status Solidi A-Applications and Materials Science (Accessed October 12, 2025)

Issues

If you have any questions about this publication or are having problems accessing it, please contact [email protected].

Created November 1, 2001, Updated February 17, 2017
Was this page helpful?