X-Ray Spectroscopic Studies of Potassium Halides

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概要

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• The Kα emission and Kβ emission spectra in the fluorescence of K^+ in KF, KCI, KBr and KI are measured with a two-crystal vacuum spectrometer. The satellite Kα" is observed for KBr and KI, while its presence is indistinct in KF and KCl. The measured Kβ_5 peak is shifted toward higher energies from KF to KI in the range of 3.6 eV. The Kβ_5 emission bands are presented along with the ultraviolet photoelectron spectra of the anion p-like valence bands, the K^+K absorption spectra and the K^+L_<2,3> absorption spectra of potassium halides, reported previously. With these spectra and optical-gap data, the first shoulder and two sharp peaks of the K^+L2,3 absorption spectra are identified as being due to core excitons, the energy levels of which are formed below the bottoms of their conduction bands. The binding energies of the excitons are estimated.

• 社団法人応用物理学会の論文
• 1993-03-15

著者

• SUGIURA Chikara

  Department of Physics, Miyagi University of Education

• Sugiura Chikara

  Department Of Applied Physics Faculty Of Engineering

• YAMASAKI Hiroyuki

  Department of Neurosurgery, Mizunomiyako Hospital

• Yamasaki Hiroyuki

  Department Of Energy Sciences Tokyo Institute Of Technology

• Yamasaki Hiroyuki

  Department Of Electrical And Electronic Engineering Faculty Of Engineering Utsunomiya University

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