Phonon Structures in Absorption and Emissi on Spectraof Pb^<++> Doped CdI_2 Single Crystal at 10°K
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概要
- 論文の詳細を見る
Optical properties of Pb^<++> ion doped CdI_2 crystal having the layer structure have been studied at low temperature. Absorption spectrum consists of two narrow bands at 3860A and 3830A which are active for E⫽C and E ⊥ C, respectively. These bands are assigned as due to the allowed transitions from the A<1g> ground state to the excited A<2u> and Eu states of Pbi<++> ion in the crystal field of D<3d> symmetry. Emission spectrum consists of two narrow bands at 3900A and 3970A and a broad band at 5I80A. The 3900A band emission is polarized parallel to the C-axis. The narrow emission bands have the mirror image relations with absorption bands. Both emission and absorption bands show the complex phonon structures. The main phonons relevant to the structures have energies 16, 49, 64, 70 and 100cm^<-1> and the last one appears most prominently.
- 社団法人日本物理学会の論文
- 1970-12-05
著者
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Goto Takenari
Department Of Physics Faculty Of Science Tohoku University
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Ueta Masayasu
Department Of Physics Faculty Of Science Tohoku University
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Ueta Masayasu
Department Of Physics Faculity Of Science Tohoku University
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