Temperature Dependence of the Fundamental Spectra of Potassium-Halides in the Schumann Ultraviolet Region (4.4∼13.5 eV)

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概要

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• The spectra of reflectivity R(E), dielectric constant _<ε_2>(E)^<-1> in the fundamental region of K-halides, measured at room and low temperatures, are presented. The line-shape parameters for the Γ-excion lines are determined as a function of temperature for KF, KBr and KI. The presence of the LO-phonon sideband is is confirmed on all the K-halides except KF. The antiresonance dip found in the continuum region of the lowestenergy Γ-excion of KI is interpreted in terms of the excion-continuum interaction proposed by Onodera. Considerations are given on the uncertainties in the line-shape parameters which are due to the errors of the absolute megnitude of R(E) and also due to the approximation procedures in the Kramers-Kronig analysis.

• 社団法人日本物理学会の論文
• 1973-08-05

著者

• MIYATA Takeo

  Matsushita Research Institute Tokyo, Inc.

• Tomiki Tetsuhiko

  Matsushita Research Institute Tokyo Inc.

• Miyata Takeo

  Matsushita Research Institute Tokyo Inc.

• Tomiki Tetsuhiko

  Matsushita Research Institute Tokyo

• TSUKAMOTO Hirokazu

  Matsushita Research Institute Tokyo, Inc.

• Tsukamoto Hirokazu

  Matsushita Research Institute Tokyo Inc.

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