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ZnGa₂O₄ 및 ZnGa₂O₄: Eu^(3+) 結晶의 光學的 特性 硏究

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Author(s)
전지은
Issued Date
2007
Keyword
전기전도성 ZnGa₂O₄ 형광체 조성성분 광흡수
Abstract
In the present work, basic studies on optical properties of ZnGa₂O₄ and ZnGa₂O₄:Eu^(3+) crystals were carried out. The composition, structure, and optical properties of ZnGa₂O₄ and ZnGa₂O₄:Eu^(3+) crystals were studied Stoichiometry of these compound semiconductors were determined using the energy dispersive x-ray analyser(EDX). The quantitative ratios of composition elements between the starting samples and the measured samples are reasonable values from the results of EDX with in the limit of detection error. The x-ray diffraction(XRD) analysis revealed that ZnGa₂O₄ and ZnGa₂O₄ : Eu^(3+) crystals have a cubic structure and the samples were a layered type with the -axis perpendicular to the layers in the crystals. The lattice constant of these samples were =8.3348Å for ZnGa₂O₄, and =8.3123Å for ZnGa₂O₄:Eu^(3+) crystals. The optical absorption spectra obtained near the fundamental absorption edge showed that these compounds have a direct energy band gaps. The direct energy gaps of ZnGa₂O₄ and ZnGa₂O₄ : Eu^(3+) are given by 4.386eV and 4.324eV at 297K, respectively.
Alternative Title
Optical PropEuties of ZnGa₂O₄ and ZnGa₂O₄: Eu^(3+)Crystals
Alternative Author(s)
Jeon, Ji-Eun
Affiliation
조선대학교 교육대학원
Department
교육대학원 물리교육
Advisor
최성휴
Awarded Date
2007. 8
Table Of Contents
제 1 장 서론 = 1
제 2 장 이론 = 2
제 1 절 반도체에서의 광흡수 = 2
제 3 장 실험 = 10
제 1 절 ZnGa₂O₄ 및 ZnGa₂O₄:Eu^(3+) 결정의 결정 성장 = 10
제 2 절 ZnGa₂O₄ 및 ZnGa₂O₄:Eu^(3+) 결정의 조성성분 분석 = 12
제 3 절 ZnGa₂O₄ 및 ZnGa₂O₄:Eu^(3+)의 구조분석 = 13
제 4 절 ZnGa₂O₄ 및 ZnGa₂O₄:Eu^(3+) 결정의 광흡수 측정 = 15
제 4 장 실험결과 및 고찰 = 16
제 1 절 ZnGa₂O₄ 및 ZnGa₂O₄:Eu^(3+) 결정의 조성 분석 = 16
제 2 절 ZnGa₂O₄ 및 ZnGa₂O₄:Eu^(3+) 결정의 결정구조 = 19
제 3 절 ZnGa₂O₄ 및 ZnGa₂O₄:Eu^(3+) 결정의 광흡수 특성 = 23
제 5 장 결론 = 29
참고문헌 = 30
Degree
Master
Publisher
조선대학교 교육대학원
Type
Dissertation
URI
https://oak.chosun.ac.kr/handle/2020.oak/4661
Appears in Collections:
Education > Theses(Master)(교육대학원)
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