Theoretical Study on Paired Ag^- Ions in KCl

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概要

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• New optical absorption bands in KCl containing Ag- ions, all of which have the identical fluorescent emission at 678 nm, are investigated theoretically by adopting the model that these bands arise from the transitions between the electronic energy levels of a pair of Ag^- ions occupying the two adjacent anion sites in KCl. The wave functions based on the LCAO approximation are used under the assumption that any product of two overlap integrals is negligible in comparison with unity. Further the Mulliken approximation is adopted to estimate various two-center iintegrals. By assigning some observed bands to optically allowed transitions in a satisfactory way, the parameters contained in the matrix elements of the Hamiltonian are determined. By use of these parameters, the intensities and the energies of forbidden transitions are calculated and then they are compared with experiments. The agreement is quite good.

• 社団法人日本物理学会の論文
• 1972-02-05

著者

• Honma Akio

  Institute For Optical Research Kyoiku University

関連論文

• Paired Ag^- Ions in Potassium Chloride
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• Method of Moments for Optical Absorption Bands of Impurities in Solids
• Theory of Optical Absorption and Magnetic Circular Dichroism for the Vibration-Induced Band (B-Band) of Tl^+-Like Centers in Alkali Halides
• Dipolar Lattice-Sums with Applications to the Exciton Bands of Anthracene Crystal and the Crystal Field due to Point Charges
• Method of Moments to Evaluate the Electron-Lattice Interaction Parameters in the Absorption Spectra of Tl^+-Like Ions Doped Alkali Halides
• Theoretical Study on Paired Ag^- Ions in KCl

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