Excitons in Alkali Halides
スポンサーリンク
概要
- 論文の詳細を見る
Exciton states in alkali halides are analyzed on the basis of the energy band picture. First the excitons at the point F are discussed. A simple treatment in which the spin-orbit and the electron-hole exchange interactions are taken into account indicates that the intensity ratio of the halogen doublet is fairly sensitive to the exchange energy, while the doublet splitting is not very sensitive. It is shown that a pure triplet exciton state exists below the first allowed exciton state. Although such a state has not yet been detected, lifetime broadening of the first peak due to the existence of such a hidden state is conceived to make the magnitude of the width of the first peak comparable with that of the second peak. The pronounced structure observed in K and Rb halides in the spectral region just above the step is ascribed to d_ε exciton formed at the point X. Multiplicities of the observed absorption peaks are explained in terms of this model. Semiquantitative analysis of the triplet structure in KBr and RbBr is made.
- 社団法人日本物理学会の論文
- 1967-03-05
著者
-
Toyozawa Yutaka
Institute For Solid State Phate Physics University Of Tokyo
-
Onodera Yositaka
Institute For Solid State Physics University Of Tokyo
関連論文
- Optical Spectra of Core Electrons in Metals with an Incomplete Shell. : II. Numerical Calculations of Overall Line Shapes
- Optical Spectra of Core Electrons in Metals with an Incomplete Shell. : I. Analytic Features
- Dynamical Jahn-Teller Effect in Alkali Halide Phosphors Containing Heavy Metal Ions
- Reversal of the Singularity in the Absorption Spectra of Solids
- Quantum Logic,Statistical Operator and the Problem of Measurement
- Excitons in Alkali Halides
- Two-Photon Absorption and Energy Band Structure
- Tunneling Process from Free State to Self-Trappd State of Exciton
- Competition between Electron-Electron and Electron-Lattice Interactions : Four-Site-Four-Electron Model
- Splitting of the Inner Core Photoemission Lines in Transition Metal Compounds
- The Role of Statistical Operator in Quantum Mechanics
- Photoelectron Spectra of Core Electrons in Metals with an Incomplete Shell
- Theory of Localized Spins and Negative Magnetoresistance in the Metallic Impurity Conduction
- Further Contribution to the Theory of the Line-Shape of the Exciton Absorption Band
- Theory of Impurity Band Conduction in Semiconductors : An Approach to Random Lattice Problem
- Resonant Light Scattering and Luminescence in Weakly Coupled Localized Electron-Phonon System
- Antiresonance in the Optical Absorption Spectra of the Impurity in Solids
- Duality in Resonance Raman Scattering
- Vibronic Problem For the Relaxed Excited State of the F-center in Alkali Halides. I. : Vibronic Energy Schemes
- Stability of an Electron in Deformable Lattice : Force Range, Dimensionality and Potential Barrier