TY - JOUR
T1 - Facile method for the synthesis of zinc- or magnesium-doped gallium nitride powders from gallium metal
AU - Tomida, Daisuke
AU - Bao, Quanxi
AU - Saito, Makoto
AU - Kurimoto, Kouhei
AU - Kojima, Kazunobu
AU - Kyo, Kun
AU - Ishiguro, Tohru
AU - Chichibu, Shigefusa F.
N1 - Funding Information:
Funding: this work was supported by the Project of Strategic Development for Energy Conservation Technology from a NEDO program by METI, and Business Incubation Program conducted by Tohoku University and the “Dynamic Alliance for Open Innovation Bridging Human, Environment and Materials” by MEXT, Japan.
Publisher Copyright:
© 2021
PY - 2021/9/15
Y1 - 2021/9/15
N2 - We describe a facile method for synthesizing high-purity Zn-doped and Mg-doped GaN powders from Ga metal in supercritical ammonia at a moderate reaction temperature using ZnX2 and MgX2 (X = F, Cl, Br, or I) as combined mineralizers and doping agents. Successful doping of Zn or Mg into the GaN matrix was indicated by characteristic bands in the photoluminescence spectra of the crystals at 10 K. The results suggest that the halide ion plays an important role in the transformation of Ga metal to GaN powder.
AB - We describe a facile method for synthesizing high-purity Zn-doped and Mg-doped GaN powders from Ga metal in supercritical ammonia at a moderate reaction temperature using ZnX2 and MgX2 (X = F, Cl, Br, or I) as combined mineralizers and doping agents. Successful doping of Zn or Mg into the GaN matrix was indicated by characteristic bands in the photoluminescence spectra of the crystals at 10 K. The results suggest that the halide ion plays an important role in the transformation of Ga metal to GaN powder.
KW - A. Ammonothermal method
KW - B. Magnesium halides
KW - B. Powders
KW - B1. Gallium compounds
KW - B1. Halides
KW - B1. Zinc compounds
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U2 - 10.1016/j.jcrysgro.2021.126190
DO - 10.1016/j.jcrysgro.2021.126190
M3 - Article
AN - SCOPUS:85107157276
VL - 570
JO - Journal of Crystal Growth
JF - Journal of Crystal Growth
SN - 0022-0248
M1 - 126190
ER -