대한전기학회논문지:전기물성ㆍ응용부문C (The Transactions of the Korean Institute of Electrical Engineers C)

대한전기학회 (The Korean Institute of Electrical Engineers)
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$Zn_4SnSe_6$및$Zn_4SnSe_6:Co^{2+}$단결정의 광학적 특성연구

Optical Properties of Undoped and Doped$Zn_4SnSe_6$Single Crystals

  • 이기형 (조선이공대학 광전자정보학부) ;
  • 김덕태 (동앙인재대학 자동차환경레이저과) ;
  • 박광호 (동아인재대학 안경광학과) ;
  • 현승철 (성화대학 전기과) ;
  • 김형곤 (조선이공대학 전기과) ;
  • 김남오 (조선이공대학 전기과)
  • 발행 : 2003.01.01
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초록

Zn$_4$SnSe$_{6}$ and Zn$_4$SnSe$_{6}$ :Co$^{2+}$ single crystals were by the chemical transport reaction method. They crystallized in the monoclinic structure. The direct energy band gaps of the Zn$_4$SnSe$_{6}$ and Zn$_4$SnSe$_{6}$ :Co$^{2+}$single crystals at 289k were found to be 2.146eV and 2.042eV. Optical absorption due to impurity in the Zn$_4$SnSe$_{6}$ :Co$^{2+}$single crystal was observed and described as originating from the electron transition between energy levels of Co$^{2+}$ion sited at T$_{d}$ symmetry point.y point.

키워드

참고문헌

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