대한전자공학회논문지 (Journal of the Korean Institute of Telematics and Electronics)
- 제26권11호
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- Pages.1814-1818
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- 1989
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- 1016-135X(pISSN)
$ZnGa_2S_4 및 Zn$a_2S_4$ : Co 결정의 합성과 Energy Gap 측정
The Growth and Energy Gap Measurement of $ZnGa_2S_4 and Zn$a_2S_4$ : Co Crystals
초록
The crystals of ZnGa2S4 and ZnGa2S4:Co(2mole%) were synthesized from high-purity (99.999%) elements of Zinc, Gallium, and sulfur. The crystal structure of these crystals belong to a tetragonal system with layer type and the lattice constants are a =5.35\ulcorner c=10.43\ulcornerfor ZnGa2S4: Co(2 mole%) crystal at 298\ulcorner. The optical absorption spectra of these compounds were obtained through reflectance measurements using a 60 mm diameter intergrating sphere. The optical energy gaps are 3.18eV for ZnGa2S4 and 2.60eVfor ZnGa2S4:L Co(2mole%)at 298\ulcorner, respectively.
키워드