Solitons, polarons and their dynamics in mixed-valence halogen-bridged MX-chains.
This article describes the photo-generation processes of elementary excitations such as solitons and polarons, and their dynamics in the one-dimensional (1D) halogen-bridged Pt compound [Pt(en)2Br](ClO4)2. Spin-solitons were photo-generated via relaxation processes of CT excitons and self-trapped excitons, made evident by photo-induced absorption and photo-induced electron spin resonance spectra. Polarons were not generated from CT excitons. Diffusion of spin-solitons on the 1D chain was studied quantitatively by analysing 1H NMR spin-lattice relaxation times (T1).
Takaishi
Shinya
S
Department of Chemistry, Graduate School of Science, Tohoku University and CREST(JST), 6-3 Aramaki-Aza-aoba, Aoba-ku, Sendai 980-8578, Japan. takaishi@agnus.chem.tohoku.ac.jp
Yamashita
Masahiro
M