Infrared studies of self-trapped excitons

K. Edamatsu; M. Hirai

doi:10.4028/www.scientific.net/msf.239-241.525

Infrared studies of self-trapped excitons

K. Edamatsu, M. Hirai

Broadband Engineering Division

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

We investigated infrared transient absorption spectra due to self-trapped excitons (STEs) in NaBr and NaI, and those due to STEs localized at iodine dimers in KCl:I. All the observed features of the transient absorption indicated that the STEs in these crystals have the on-center-type configuration, where the electron wave functions are considerably extended compared with those of the off-center type.

Original language	English
Pages (from-to)	525-530
Number of pages	6
Journal	Materials Science Forum
Volume	239-241
DOIs	https://doi.org/10.4028/www.scientific.net/msf.239-241.525
Publication status	Published - 1997

Keywords

Alkali Halide
NaBr
NaI
STE
Self-Trapped Exciton
Transient Absorption

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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Cite this

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title = "Infrared studies of self-trapped excitons",

abstract = "We investigated infrared transient absorption spectra due to self-trapped excitons (STEs) in NaBr and NaI, and those due to STEs localized at iodine dimers in KCl:I. All the observed features of the transient absorption indicated that the STEs in these crystals have the on-center-type configuration, where the electron wave functions are considerably extended compared with those of the off-center type.",

keywords = "Alkali Halide, NaBr, NaI, STE, Self-Trapped Exciton, Transient Absorption",

author = "K. Edamatsu and M. Hirai",

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T1 - Infrared studies of self-trapped excitons

AU - Edamatsu, K.

AU - Hirai, M.

PY - 1997

Y1 - 1997

N2 - We investigated infrared transient absorption spectra due to self-trapped excitons (STEs) in NaBr and NaI, and those due to STEs localized at iodine dimers in KCl:I. All the observed features of the transient absorption indicated that the STEs in these crystals have the on-center-type configuration, where the electron wave functions are considerably extended compared with those of the off-center type.

AB - We investigated infrared transient absorption spectra due to self-trapped excitons (STEs) in NaBr and NaI, and those due to STEs localized at iodine dimers in KCl:I. All the observed features of the transient absorption indicated that the STEs in these crystals have the on-center-type configuration, where the electron wave functions are considerably extended compared with those of the off-center type.

KW - Alkali Halide

KW - NaBr

KW - NaI

KW - STE

KW - Self-Trapped Exciton

KW - Transient Absorption

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VL - 239-241

SP - 525

EP - 530

JO - Materials Science Forum

JF - Materials Science Forum

ER -

Infrared studies of self-trapped excitons

Abstract

Keywords

ASJC Scopus subject areas

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