Preparation and optical properties of sol–gel derived Er3+-doped Al2O3–Ta2O5 films
✍ Scribed by Nobuko Maeda; Noriyuki Wada; Hiroaki Onoda; Akira Maegawa; Kazuo Kojima
- Book ID
- 108233934
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 326 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0925-3467
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The Er 3þ -doped Al 2 O 3 powders have been prepared by the sol-gel method, using the aluminium isopropoxide [Al(OC 3 H 7 ) 3 ]derived Al 2 O 3 sols with addition of the erbium nitrate [Er(NO 3 ) 3 AE 5H 2 O]. The different phase structure, including three crystalline types of (Al,Er) 2 O 3 phases,
ZnGa 2 O 4 :Cr 3+ thin films with bright red emission were synthesized using a sol-gel process, characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), Auger electron spectroscopy (AES) and UV-vis and fluorescence spectrophotometry measurements. Effects of calcining temperature