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Proceedings Paper

Dynamics of photoinduced gap states and self-trapped excitons in MX chain compounds with degenerate and nondegenerate CDW ground states
Author(s): Hiroshi Okamoto; Yusei Kaga; Yasuo Oka; Masahiro Yamashita; Tadaoki Mitani
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Paper Abstract

Excitation profiles and time characteristics of luminescence from the self-trapped exciton (STE) have been measured on the quasi-1D halogen-bridged metal complexes having degenerate and nondegenerate CDW ground states. From the comparison of the excitation profiles of the STE luminescence with those of the gap states, it was demonstrated that excitons are converted to spin-soliton pairs. This conversion occurs from the STE through a finite potential barrier, magnitude of which strongly depends on the degeneracy of CDW.

Paper Details

Date Published: 1 December 1997
PDF: 9 pages
Proc. SPIE 3145, Optical Probes of Conjugated Polymers, (1 December 1997); doi: 10.1117/12.279295
Show Author Affiliations
Hiroshi Okamoto, Tohoku Univ. (Japan)
Yusei Kaga, Tohoku Univ. (Japan)
Yasuo Oka, Tohoku Univ. (Japan)
Masahiro Yamashita, Nagoya Univ. (Japan)
Tadaoki Mitani, Japan Advanced Institute of Science and Technology (Japan)

Published in SPIE Proceedings Vol. 3145:
Optical Probes of Conjugated Polymers
Z. Valy Vardeny; Lewis J. Rothberg, Editor(s)

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