Dynamics of photoinduced gap states and self-trapped excitons in the MX chain compounds with degenerate and nondegenerate CDW ground states

Hiroshi Okamoto, Yusei Kaga, Yasuo Oka, Masahiro Yamashita, Tadaoki Mitani

Research output: Contribution to journalConference articlepeer-review

Abstract

Excitation profiles and time characteristics of luminescence from the self-trapped exciton (STE) have been measured on the quasi-one-dimensional 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.

Original languageEnglish
Pages (from-to)459-467
Number of pages9
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3145
DOIs
Publication statusPublished - 1997 Dec 1
EventOptical Probes of Conjugated Polymers - San Diego, CA, United States
Duration: 1997 Jul 281997 Jul 30

Keywords

  • CDW
  • Luminescence
  • Self-trapped exciton
  • Spin-soliton

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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