Absorption Spectra of Rubidium Halide-Thallium Phosphors with the CsCl-Type Structure
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- Masunaga Shoji
- Institute of Scientific and Industrial Research, Osaka University
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- Ishiguro Masakazu
- Institute of Scientific and Industrial Research, Osaka University
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Abstract
Absorption spectra of RbI:Tl, RbBr:Tl, RbI:Pb, and RbBr:Pb having the CsCl-type lattice structure under high pressures have been observed. At the phase transition from the NaCl-type to the CsCl-type structure, in RbI:Tl, the A band shows a discontinuous red shift and a new absorption band appears on the short wavelength side of the A band. This new absorption band does not show a character of the forbidden line such as the B band. In RbBr:Tl where the electron affinity of halogen ions is large than that in RbI:Tl, however, the A band shows a discontinuous blue shift and there does not appear any new absorption band.<BR>In the case of Pb++ activator ions, at the phase transition, the A band shows a discontinuous red shift and a new absorption band appears in RbI and besides, in RbBr.<BR>These results are discussed on the basis of the possibility of the configuration interaction between the excited states of the activator ions and electron transfer states.
Journal
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 25 (5), 1337-1342, 1968
THE PHYSICAL SOCIETY OF JAPAN
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Details 詳細情報について
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- CRID
- 1390282679166153600
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- NII Article ID
- 110001957668
- 130003734519
- 210000080570
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- NII Book ID
- AA00704814
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- BIBCODE
- 1968JPSJ...25.1337M
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- COI
- 1:CAS:528:DyaF1MXjt12rsg%3D%3D
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- ISSN
- 13474073
- 00319015
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- NDL BIB ID
- 8501809
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed