The results of X-ray investigation of real structures of ZnS:Cr single crystals are presented. Doped ZnS single crystals were grown from the melt by Bridgman's high pressure method. Cr dopant converts the structure of ZnS crystals from 3C with individual stacking faults (for pure ZnS) to the complex
Influence of Nd co-doping on the Cr4+ content in PWO single crystal
β Scribed by Li, Weifeng ;Feng, Xiqi ;Huang, Yidong ;Luo, Zundu ;Liao, Jinsheng
- Publisher
- John Wiley and Sons
- Year
- 2004
- Tongue
- English
- Weight
- 121 KB
- Volume
- 201
- Category
- Article
- ISSN
- 0031-8965
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In this paper, the absorption spectrum of PbWO 4 :Cr 3+ crystals is measured at room temperature in the wavelength range from 340 to 520 nm. The d-d transitions of Cr 3+ ions in PbWO 4 crystals with tetragonal symmetry are calculated by the crystal-field theory. The theoretical results are in good a