Infrared transient absorption and electronic state of localized self-trapped excitons in KCl:I

Shoichi Hirota; Keiichi Edamatsu; Yasuhiro Kondo; Tadashi Itoh; Masamitsu Hirai

doi:10.1103/PhysRevB.52.7779

Infrared transient absorption and electronic state of localized self-trapped excitons in KCl:I

Shoichi Hirota, Keiichi Edamatsu, Yasuhiro Kondo, Tadashi Itoh, and Masamitsu Hirai

Phys. Rev. B 52, 7779 – Published 15 September 1995

Abstract

The infrared transient absorption and electronic state of the on-center-type self-trapped exciton (STE) localized at an iodine dimer in KCl:I were investigated. The polarization properties and vibronic structure of the absorption band indicate that the electronic state of the on-center-type STE is rather extended so that the splitting of the 2p-like sublevels is very small.

Received 10 May 1995

DOI:https://doi.org/10.1103/PhysRevB.52.7779

Authors & Affiliations

Shoichi Hirota, Keiichi Edamatsu, Yasuhiro Kondo, and Tadashi Itoh

Department of Applied Physics, Faculty of Engineering, Tohoku University, Sendai 980-77, Japan

Masamitsu Hirai

Faculty of Science and Technology, Ishinomaki Senshu University, Ishinomaki 986, Japan

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Vol. 52, Iss. 11 — 15 September 1995

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Physical Review B

covering condensed matter and materials physics