Conversion of excitons to spin-soliton pairs in quasi-one-dimensional halogen-bridged metal complexes

H. Okamoto, Y. Kaga, Y. Shimada, Y. Oka, Y. Iwasa, T. Mitani, M. Yamashita

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

We have characterized the gap states from photoinduced absorption and photoinduced ESR studies on one-dimensional (1D) halogen-bridged metal complexes with degenerate and nondegenerate charge-density wave (CDW) ground state. A comparison of excitation profiles of self-trapped exciton (STE) luminescence with those of the gap states demonstrates that excitons are relaxed to spin-soliton pairs. From an analysis of the temperature dependence of luminescence decay time, conversion from the STE to the solitonic state is found to occur through a finite potential barrier, the magnitude of which strongly depends on the degeneracy of the CDW.

Original languageEnglish
Pages (from-to)861-864
Number of pages4
JournalPhysical Review Letters
Volume80
Issue number4
DOIs
Publication statusPublished - 1998 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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