암모니아 분위기에서 열처리된 GaOOH와 ZnO 혼합분말의 구조적·광학적 성질

송창호; 신동휘; 변창섭; 김선태; Changho Song; Dongwhee Shin; Changsob Byun; Seontai Kim

Korean Journal of Materials Research, Vol.22, No.11, 575-580, November, 2012

DOI10.3740/MRSK.2012.22.11.575 Export Citation

암모니아 분위기에서 열처리된 GaOOH와 ZnO 혼합분말의 구조적·광학적 성질

Optical and Structural Properties of Ammoniated GaOOH and ZnO Mixed Powders

송창호, 신동휘¹, 변창섭¹, 김선태^{1, †}

마이다스시스템(주)
¹한밭대학교 신소재공학과, 정보전자부품소재연구소

Changho Song, Dongwhee Shin¹, Changsob Byun¹, and Seontai Kim^{1, †}

Midas System Co. Ltd., Korea
¹Department of Materials Engineering Research Center for Infotronic Materials and Devices, Hanbat National University, Korea

E-mail:

The purpose of this study is to investigate the crystalline structure and optical properties of (GaZn)(NO) powders prepared by solid-state reaction between GaOOH and ZnO mixture under NH3 gas flow. While ammoniation of the GaOOH and ZnO mixture successfully produces the single phase of (GaZn)(NO) solid solution within a GaOOH rich composition of under 50 mol% of ZnO content, this process also produces a powder with coexisting (GaZn)(NO) and ZnO in a ZnO rich composition over 50 mol%. The GaOOH in the starting material was phase-transformed to α-, β-Ga2O3 in the NH3 environment; it was then reacted with ZnO to produce ZnGa2O4. Finally, the exchange reaction between nitrogen and oxygen atoms at the ZnGa2O4 powder surface forms a (GaZn)(NO) solid solution. Photoluminescence spectra from the (GaZn)(NO) solid solution consisted of oxygen-related red-emission bands and yellow-, green- and blue-emission bands from the Zn acceptor energy levels in the energy bandgap of the (GaZn)(NO) solid solutions.

Keywords:GaN;ZnO;(GaZn)(NO);solid solution;photoluminescence

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[2] Ehrentraut D, Meissner E, Bockowski M, Technology of Gallium Nitride Crystal Growth, p. 245-254, Springer, New York, USA. (2010)

[3] Balkas CM, Davis RF, J. Am. Ceram. Soc., 79, 2309 (1996)

[4] Cho S, Lee J, Park IY, Kim S, Mater. Sci. Eng. B, 95, 275 (2002)

[5] Lee J, Kim S, Korean J. Mater. Res., 15(5), 348 (2005)

[6] Shimada S, Otani H, Miura A, Sekiguchi T, Yokoyama M, J. Cryst. Growth, 452, 312 (2010)

[7] Watanabe Y, Uekusa S, Vacuum, 84, 514 (2010)

[8] Maeda K, Teramura K, Domen K, J. Catal., 254(2), 198 (2008)

[9] Chen H, Wen W, Wang Q, Hanson JC, Muckerman JT, Fujita E, Frenkel AI, Rodriguez JA, J. Phys. Chem. C, 113, 3650 (2009)

[10] Cullity BD, Elements of X-ray Diffraction, 2nd ed., p.335-336, Addison-Wesley, Ontario, Canada. (1978)

[11] Maeda K, Teramura K, Takata T, Hara M, Saito N, Toda K, Inoue Y, Kobayashi H, Domen K, J. Phys. Chem. B, 109(43), 20504 (2005)

[12] Jacob G, Boulou M, Furtado M, J. Cryst. Growth, 42, 136 (1977)

[13] Fujii K, Fujimoto G, Goto T, Yao T, Hoshino N, Kagamitani Y, Ehrentraut D, Fukuda T, Phys. Status Solidi A, 204, 3509 (2007)