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Influence of chromium concentration and particle size on the ESR linewidth of Al2O3: Cr3+powders

✍ Scribed by R. S. Biasi; D. C. S. Rodrigues

Publisher
Springer
Year
1981
Tongue
English
Weight
318 KB
Volume
16
Category
Article
ISSN
0022-2461

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Effect of crystal structure and dopant c
Effect of crystal structure and dopant concentration on the luminescence of Cr3+ in Al2O3 nanocrystals
✍ A. Patra; R.E. Tallman; B.A. Weinstein πŸ“‚ Article πŸ“… 2005 πŸ› Elsevier Science 🌐 English βš– 335 KB

The sol-emulsion-gel method is used for the preparation of Cr 3+ -doped Al 2 O 3 nanocrystals. The luminescence spectra of Cr 3+ ions in Al 2 O 3 nanocrystals are found to be sensitive to the crystal structure and dopant concentration. It is found that a broad band emission in the range of 680-720 n