IWAI, S; TOKIZAKI, T; NAKAMURA, A; SHIBATA, T; TANIMURA, K; SHLUGER, A; ITOH, N; (1994) FEMTOSECOND SPECTROSCOPY OF SELF-TRAPPING PROCESSES OF HOLES AND EXCITONS IN ALKALI-HALIDES. In: JOURNAL OF LUMINESCENCE. (pp. 720 - 722). ELSEVIER SCIENCE BV
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By pump and probe experiments we investigated self-trapping processes of holes and excitons in KI and RbI crystals. It is found that a free hole is relaxed initially into a one-center self-trapped hole (small polaron) and subsequently a two-center self-trapped hole (V(k) center) is formed. The self-trapping of electron-hole pairs involves a one-center self-trapped hole correlated with an electron as a precursor state for a self-trapped exciton.
|Title:||FEMTOSECOND SPECTROSCOPY OF SELF-TRAPPING PROCESSES OF HOLES AND EXCITONS IN ALKALI-HALIDES|
|Event:||1993 International Conference on Luminescence (ICL 93)|
|Location:||UNIV CONNECTICUT, STORRS, CT|
|Dates:||1993-08-09 - 1993-08-13|
|UCL classification:||UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Physics and Astronomy|
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