Effect of hyperfine interaction on the luminiscence of Pb2+ and Bi3+ centers in alkaline-earth chalcogenides |
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| Authors: | N. Yamashita S. Asano |
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| Affiliation: | Department of Physics, Faculty of Science, Okayama University, Okayama 700, Japan |
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| Abstract: | Emission spectra of MgS, CaO, CaS, CaSe and SrS phosphors activated with a Pb2+ or a Bi3+ ion are measured at 4.2 K. By the analysis of the phonon structure of the 3A1u → 1A1g emission band, it is found that the hyperfine interaction provokes the zero-phonon line on the emission band for the alkaline-earth chalcogenide phosphors activated with a Pb2+ or a Bi3+ ion. |
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