Decay kinetics of long-lived photogenerated kinks in an MX chain compound

N. Kuroda, Y. Wakabayashi, M. Nishida, N. Wakabayashi, M. Yamashita, N. Matsushita

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Abstract

The time evolution of the thermal bleaching of the long-lived, photogenerated midgap absorption band in a PtCl chain compound is examined in a temperature range 220-330 K. The long-lived absorption arises from kinks each confined in a segment of the PtCl chain by energy barriers of the order of 0.5 eV. Because of a random distribution of the barrier height the pair coalescence decay shows a ln t dependence at all temperatures in the experimental range, 0-60 min, of time t after discontinuation of laser pumping.

Original languageEnglish
Pages (from-to)2510-2513
Number of pages4
JournalPhysical Review Letters
Volume79
Issue number13
DOIs
Publication statusPublished - 1997 Sep 29
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Kuroda, N., Wakabayashi, Y., Nishida, M., Wakabayashi, N., Yamashita, M., & Matsushita, N. (1997). Decay kinetics of long-lived photogenerated kinks in an MX chain compound. Physical Review Letters, 79(13), 2510-2513. https://doi.org/10.1103/PhysRevLett.79.2510