서지주요정보
$CuInS$_2:Co^{2+}$ 단결정의 광학적 특성에 관한 연구 = Optical properties of $CuInS$_2:Co^{2+}$ single crystals
서명 / 저자 $CuInS$_2:Co^{2+}$ 단결정의 광학적 특성에 관한 연구 = Optical properties of $CuInS$_2:Co^{2+}$ single crystals / 민복기.
저자명 민복기 ; Min, Bok-Ki
발행사항 [대전 : 한국과학기술원, 1998].
Online Access 원문보기 원문인쇄

소장정보

등록번호

8008452

소장위치/청구기호

학술문화관(문화관) 보존서고

MPH 98010

SMS전송

도서상태

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반납예정일

초록정보

In this thesis, the optical properties of $CuInS_2:Co^{2+}$ single crystals were studied. The $CuInS_2:Co^{2+}$ single crystals were synthesized by the melt growth technique and the chemical transport reaction using iodine as a transporting medium. The lattice constants and the Raman spectra of the $CuInS_2:Co^{2+}$ single crystals were almost the same as those of undoped $CuInS_2$ single crystals. The optical spectra of $CuInS_2:Co^{2+}$ single crystals at room temperature showed two broad peaks and the higher energy peak had three sub-peaks. These peaks can be explained in terms of the electronic transitions of $Co^{2+}$ ions in $T_d$ symmetry along with spin-obit coupling effect. The crystal field parameter Dq and the Racah parameter B were found to be 400 and $540cm^{-1}$, respectively. The optical spectra of the $CuInS_2:Co^{2+}$ single crystals at 4.7 K in the 1100 - 1900 nm region showed twelve peaks and these peaks can be analyzed using additional $D_{2d}$ symmetry considerations. This result shows that the tetragonal distortion of $T_d$ symmetry in $CuInS_2$ single crystals is small. The optical band gap energies of the $CuInS_2:Co^{2+}$ single crystals decreased as the doped $Co^{2+}$ ions increased.

서지기타정보

서지기타정보
청구기호 {MPH 98010
형태사항 34 p. : 삽도 ; 26 cm
언어 한국어
일반주기 저자명의 영문표기 : Bok-Ki Min
지도교수의 한글표기 : 김재은
지도교수의 영문표기 : Jae-Eun Kim
학위논문 학위논문(석사) - 한국과학기술원 : 물리학과,
서지주기 참고문헌 : p. 33-34
주제 $CuInS$_2:Co^{2+}$
삼원 화합물 반도체
$CuInS$_2:Co^{2+}$
Ternary compound semiconductor
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