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http://dx.doi.org/10.4313/JKEM.2008.21.12.1057

Optical Properties of α-In2S3:Co2+ Single Crystal  

Park, Kwang-Ho (동아인재대학 안경광학과)
Hyun, Seung-Cheol (성화대학 안경광학과)
Jeong, Jin (조선대학교 물리학과)
Oh, Seok-Kyun (한국기초과학지원연구원 광주센터)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.21, no.12, 2008 , pp. 1057-1062 More about this Journal
Abstract
The ${\alpha}-In_2S_3:Co^{2+}$ single crystal with a good quality and stabilized property were gained successfully by the CTR(Chemical Transport Reaction)method. XRD analysis showed that the grown single crystals were cubic structure. The optical absorption spectra of ${\alpha}-In_2S_3:Co^{2+}$ single crystal showed impurity absorption peaks due to cobalt impurity. These impurity absorption pesks were assigned to the ligand transition between the split energy levels of $Co^{2+}$ ions sited in $T_d$ symmetry of these semiconductor host lattice.
Keywords
Single crystal; CTR method; Optical energy band gap; Optical absorption; Electron transitions;
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