Title of article
Composition and optical properties of thin films prepared by laser ablation of Nd:KGW
Author/Authors
P.A. Atanasov، نويسنده , , M. Jiménez de Castro، نويسنده , , A. Perea، نويسنده , , J. Perrière، نويسنده , , J. Gonzalo، نويسنده , , C.N. Afonso، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2002
Pages
5
From page
469
To page
473
Abstract
The influence of the synthesis conditions on the composition and the optical properties of the thin films produced by pulsed laser ablation of a Nd-doped potassium gadolinium tungstate (Nd:KGW) single crystal on r-cut sapphire is studied in the present work. Films grown under the optimum experimental conditions: a substrate temperature in the range of 600–650 °C and an oxygen pressure of 0.1 mbar have good stoichiometry and are polycrystalline. The photoluminescence spectra of these films have similar features as those of Nd:KGW single crystal. Upon step annealing, the films up to 1000 °C, the intensity (width) of the emission bands increases (decreases), whereas the emission lifetime follows a more complex behaviour.
Keywords
Rare-earth doping , Structural and optical properties , Pulsed laser deposition , Potassium gadolinium tungstate films , Photoluminescence
Journal title
Applied Surface Science
Serial Year
2002
Journal title
Applied Surface Science
Record number
997624
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