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Thermostimulated Luminescence and Fluorescence of α-Al2O3:Cr3+Samples (Ruby). Influence of the Cr3+ Concentration

✍ Scribed by Lapraz, D. ;Iacconi, P. ;Daviller, D. ;Guilhot, B.

Publisher
John Wiley and Sons
Year
1991
Tongue
English
Weight
468 KB
Volume
126
Category
Article
ISSN
0031-8965

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Effect of crystal structure and dopant concentration on the luminescence of Cr3+ in Al2O3 nanocrystals
✍ A. Patra; R.E. Tallman; B.A. Weinstein 📂 Article 📅 2005 🏛 Elsevier Science 🌐 English ⚖ 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