Journal
MATERIALS RESEARCH BULLETIN
Volume 45, Issue 4, Pages 505-508Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2009.10.008
Keywords
Inorganic compounds; Nitrides; Optical properties; Crystal structure
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Funding
- JSPS [21245047, 19350098]
- Grants-in-Aid for Scientific Research [19350098, 21245047] Funding Source: KAKEN
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Ammonia nitridation of indium and gallium oxide precursors obtained through a soft solution route led to their oxynitrides [In-0.97 square(0.03)][N0.92O0.08] at 660 degrees C and [Ga-0.89 square(0.11)][N0.66O0.34] at 850 degrees C, respectively, where E] refers to a In or Ga vacancy. Cation vacancies in their wurtzite-type lattice were eliminated in similar preparations with the co-presence of Zn2+ by forming complete solid solutions of (InN)(1-x)(ZnO)(x) and (GaN)(1-y)(ZnO)(y). The optical absorption edge shape was found to be relatively steep at the solid Solution limits of x approximate to 0.23 and y approximate to 0.33 compared to the case without zinc. (C) 2009 Elsevier Ltd. All rights reserved.
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