Solubility of GaN in supercritical ammonia with ammonium chloride as a mineralizer

The solubility of GaN in supercritical ammonia with ammonium chloride as a mineralizer was measured with a weight-loss method. Temperature-, pressure-, and mineralizer concentration-dependence of the solubility of GaN were investigated. The solubility increased with increase in temperature, and its...

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Veröffentlicht in:	Journal of crystal growth 2010-10, Vol.312 (21), p.3161-3164
Hauptverfasser:	Tomida, Daisuke, Kuroda, Kiyoshi, Hoshino, Naruhiro, Suzuki, Kousuke, Kagamitani, Yuji, Ishiguro, Toru, Fukuda, Tsuguo, Yokoyama, Chiaki
Format:	Artikel
Sprache:	eng
Schlagworte:	A1. Solubility A1. Solvents A2. Ammonothermal crystal growth Ammonia Ammonium chlorides B1. Gallium nitride Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Crystal growth Equations of state, phase equilibria, and phase transitions Exact sciences and technology Gallium nitrides Materials science Methods of crystal growth physics of crystal growth Physics Pressure dependence Solubility Solubility, segregation, and mixing phase separation
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Zusammenfassung:	The solubility of GaN in supercritical ammonia with ammonium chloride as a mineralizer was measured with a weight-loss method. Temperature-, pressure-, and mineralizer concentration-dependence of the solubility of GaN were investigated. The solubility increased with increase in temperature, and its pressure dependence was very low. The solubility behavior was quite different from the case of using the mineralizer KNH 2 as a basic mineralizer.
ISSN:	0022-0248 1873-5002
DOI:	10.1016/j.jcrysgro.2010.07.020