The components of 630-nm band in ZnSe and their recombination mechanisms
| Autor: | M. Alizadeh, M.S. Brodyn, N. Yu. Pavlova, B.V. Kozhushko, G.P. Podust, Ya.P. Kogut, V.Ya. Degoda |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Materials science
02 engineering and technology 021001 nanoscience & nanotechnology 01 natural sciences Electron recombination Molecular physics Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials 010309 optics Wavelength 0103 physical sciences Electrical and Electronic Engineering 0210 nano-technology Luminescence Recombination |
| Zdroj: | Optik. 208:164139 |
| ISSN: | 0030-4026 |
| Popis: | A non-elemental luminescence band with a maximum at 630 nm was studied in the undoped ZnSe crystals. This broad luminescence band was expanded into components by the Alentsev-Fock method, and the two basic elemental components were identified at room temperature. For these elemental components, mechanisms of recombination were established by comparing the temperature dependences of the luminescence intensity at different wavelengths. These components were named: D+–band (hvmax= 1.875 eV, 661 nm, δ = 0.181 eV) with the hole recombination mechanism and D––band (hvmax= 2.028 eV, 611 nm, δ = 0.196 eV) with the electron recombination mechanism. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full Text from ScienceDirect