침전법과 착체중합법을 이용한 Ga2O3 분말의 합성 및 결정구조 분석 = Synthesis and Crystal Structure Characterization of Ga2O3 Powder by Precipitation and Polymerized Complex Methods

다국어 초록 (Multilingual Abstract)

Gallium oxide (Ga2O3) powders were synthesized using a precipitation method and a polymerized complex method. TG-DSC, SEM,and XRD were performed to investigate the phase and morphology of the Ga2O3. In situ high-temperature XRD analysis revealed thecrystal structure of Ga2O3 at different temperatures. The Ga2O3 obtained using the precipitation method and polymerized complexmethod were generally spherical-shaped particles and their average particle size was approximately 80 nm and 1 μm, respectively. Thecrystal structure of the Ga2O3 prepared by the precipitation method was changed from rhombohedral to monoclinic at 700℃, whilemonoclinic Ga2O3 was obtained directly from the precursor by the polymerized complex method.

참고문헌 (Reference)

1 신재호, "착체중합법을 이용한 LiMn1.5Ni0.5O4 분말합성 및 특성평가" 한국결정성장학회 22 (22): 194-199, 2012

2 최수녕, "공침법에 의한 Fe2O3-CoO-Cr2O3-MnO2계 안료 연구" 한국결정성장학회 17 (17): 264-271, 2007

3 L. Li, "Synthesis and Characterization of α-, β-, and γ-Ga2O3 Prepared from Aqueous Solutions by Controlled Precipitation" 14 (14): 971-981, 2012

4 S. W. Yun, "Sintering Behavior and Electrical Characteristics of ZnO Varistors Prepared by Pechini Process" 35 (35): 498-504, 1998

5 K. Nomura, "Room-temperature Fabrication of Transparent Flexible Thin-film Transistors Using Amorphous Oxide Semiconductors" 432 (432): 488-492, 2004

6 K. C. Song, "Preparation of SnO2Powders by the Precipitation Method" 35 (35): 457-462, 1997

7 C. C. Lo, "Preparation of IGZO Sputtering Target and its Applications to Thin-film Transistor Devices" 38 (38): 3977-3983, 2012

8 S. K. Park, "Oxide TFT Technology Trend of Large-area Display for a Solution Process" 25 (25): 12-21, 2012

9 J. I. Jeong, "Optimization of Coating Conditions and Room Temperature Deposition of ITO Film Using Magnetron Sputtering" 22 (22): 222-226, 2008

10 J. K. Jeong, "Next-generation Displays for Oxide TFT Technology Development Trend" 23 (23): 24-33, 2010

11 JeongHoRyu, "Low temperature synthesis of ZnWO4 nanopowders using polymeric complex precursor" 한국결정성장학회 12 (12): 133-137, 2002

12 YongJaeKwon, "Low temperature synthesis of ZnO nanopowders by the polymerized complex method" 한국결정성장학회 12 (12): 229-233, 2002

13 K. H. Choi, "Low Temperature Synthesis of the Tin Doped Indium Oxide Nanopowders by Citrate Process and their Sintering Behavior" Hanyang University 2003

14 X. Liu, "Gallium Oxide Nanorods by the Conversion of Gallium Oxide Hydroxide Nanorods" 439 (439): 275-278, 2007